Import Labels/Annotations to Consensus Branches

Overview

To upload labels to a Consensus Project, you need to create a Consensus branch.

ALL Consensus branches start with encord-.

Supported Label/Annotation Formats

Supports multi-level nested classifications (radio, checklist, or free-form text) under objects or classifications.
Handles all object types and classification.

Does not supports multiple levels of nested classifications (radio, checklist, or free-form text) under tools or classifications.

Confidence Score

You can include confidence scores when uploading labels/annotations. Encord automatically calculates model metrics based on your label and prediction sets and assigned confidence scores.

Label Branches

When importing label/annotation sets into a Consensus Project, they are added as branches to individual label rows on your data units (images, videos, audio). Each data unit has the following:

A MAIN branch for ground truth annotations or pre-labels.
Optional Consensus branches and Prediction branches for different label/annotation or prediction sets.

You can export main branch labels from the UI. Consensus labels and model predictions can only be exported using the SDK.

Import Labels/Annotations to Consensus Projects

Import your labels to a Project in Annotate. Encord currently supports importing labels from the Encord format and from COCO.

Import Encord-Format Labels

Use branch_name to create a label branch in label_rows_v2 for a data unit.

branch_name supports alphanumeric characters (a-z, A-Z, 0-9) and is case sensitive
branch_name supports the following special characters: hyphens (-), underscores (_), and periods (.)

Bounding Box

Example 1

Imports a single bounding box (Cherry) to a single image (cherry_001.png).

Example 2:

Imports three instances (tracking an object across three sequential frames: 103, 104, and 105) of a bounding box (Cherry) to a video (Cherries_video.mp4).

Example 3

Imports three bounding boxes (Cherry) to a single image (cherry_001.png).

Example 4:

Imports three instances (tracking 3 different objects across three frames: object 1 - frames 103, 104, 105, object 2 - frames 206, 207, 208, and object 3 - frames 313, 315, 317) of three bounding boxes (Cherry) to a video (Cherries_video.mp4).

# Import dependencies
import os
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import LabelRowV2, Object, OntologyStructure, ObjectInstance
from encord.objects.coordinates import BoundingBoxCoordinates, RotatableBoundingBoxCoordinates, PolygonCoordinates, PolylineCoordinates, PointCoordinate, BitmaskCoordinates

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"
PROJECT_ID = "<unique-id-of-your-project>"
CONSENSUS_BRANCH_NAME = "<name-of-your-label-branch>"
ONTOLOGY_OBJECT_TITLE = "<name-of-ontology-object>" # Name of object label in your Ontology
DATA_UNIT_TITLES = ["<data-unit-title-1>", "<data-unit-title-2>"]  # List of specific data units

# Ensure SSH path and project id are set
assert SSH_PATH, "SSH path cannot be None"
assert PROJECT_ID, "Project id cannot be None"

# Authenticate with Encord using SSH key
user_client = EncordUserClient.create_with_ssh_private_key(
    ssh_private_key_path=Path(SSH_PATH).read_text()
)

# Get the project and list label rows for the label branch
project = user_client.get_project(PROJECT_ID)
all_consensus_branch_rows = project.list_label_rows_v2(branch_name=CONSENSUS_BRANCH_NAME)

# Filter label rows based on the specified data unit titles
consensus_branch_rows = [
    row for row in all_consensus_branch_rows 
    if row.data_title in DATA_UNIT_TITLES
]

if not consensus_branch_rows:
    print("No matching data units found in the specified branch.")
else:
    print("Data units found:", [row.data_title for row in consensus_branch_rows])

# Retrieve the specified ontology object by title
ontology_object = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE,
    type_=Object
)

# Initialize labels for each selected label row in the label branch
with project.create_bundle() as bundle:
    for row in consensus_branch_rows:
        row.initialise_labels(bundle=bundle)

# Add bounding box labels to each filtered label row
for row in consensus_branch_rows:
    # Instantiate an object instance for bounding box labels
    inst = ontology_object.create_instance()
    inst.set_for_frames(
        coordinates=BoundingBoxCoordinates(
            height=0.1,
            width=0.1,
            top_left_x=0.5,
            top_left_y=0.5,
        ),
        frames=0,  # Apply to the specified frame
        manual_annotation=False,  # Set to False as this is a label
        confidence=1, # Confidence of your label
    )

    # Add the label instance to the label row
    row.add_object_instance(inst)

with project.create_bundle() as bundle:
    # Save the row with labels within the bundle
    for row in consensus_branch_rows:
        row.save(bundle=bundle)

Rotatable Bounding Box

Example 1

Imports a single rotatable bounding box (Other type of fruit) to a single image (apple_001.png).

Example 2

Imports three instances (tracking an object across three sequential frames: 120, 121, and 122) of a bounding box (Other type of fruit) to a video (Cherries_video.mp4).

Example 3

Imports three rotatable bounding boxes (Other type of fruit) to a single image (apple_001.png).

Example 4:

Imports three instances (tracking 3 different objects across three frames: object 1 - frames 120, 121, 122, object 2 - frames 222, 224, 226, and object 3 - frames 321, 323, 325) of three rotatable bounding boxes (Other type of fruit) to a video (Cherries_video.mp4).

# Import dependencies
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Object, ObjectInstance
from encord.objects.coordinates import RotatableBoundingBoxCoordinates

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"
PROJECT_ID = "<unique-id-for-project>"
CONSENSUS_BRANCH_NAME = "<name-of-your-label-branch>"
ONTOLOGY_OBJECT_TITLE = "<rotatable-bounding-box-class-title>"
DATA_UNIT_TITLES = ["<data-unit-title-1>", "<data-unit-title-2>"]  # Specify the data unit titles here

# Authenticate with Encord using SSH key
user_client = EncordUserClient.create_with_ssh_private_key(
    ssh_private_key_path=Path(SSH_PATH).read_text()
)

# Get the project and list label rows for the label branch
project = user_client.get_project(PROJECT_ID)
all_consensus_branch_rows = project.list_label_rows_v2(branch_name=CONSENSUS_BRANCH_NAME)

# Filter label rows based on the specified data unit titles
consensus_branch_rows = [
    row for row in all_consensus_branch_rows 
    if row.data_title in DATA_UNIT_TITLES
]

if not consensus_branch_rows:
    print("No matching data units found in the specified branch.")
else:
    print("Data units found:", [row.data_title for row in consensus_branch_rows])

# Retrieve the specified ontology object by title
rbb_ontology_object = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE,
    type_=Object
)

with project.create_bundle() as bundle:
    # Initialize labels for each selected label row in the label branch
    for label_row in consensus_branch_rows:
        label_row.initialise_labels(bundle=bundle)

# Define rotatable bounding box coordinates and frame for each object
rotatable_bounding_box_labels = [
    {
        "frame_number": 0,
        "coordinates": RotatableBoundingBoxCoordinates(
            height=0.3,
            width=0.2,
            top_left_x=0.1,
            top_left_y=0.1,
            theta=15  # Angle of rotation in degrees
        ),
    },
    {
        "frame_number": 5,
        "coordinates": RotatableBoundingBoxCoordinates(
            height=0.25,
            width=0.25,
            top_left_x=0.15,
            top_left_y=0.15,
            theta=30
        ),
    },
    {
        "frame_number": 10,
        "coordinates": RotatableBoundingBoxCoordinates(
            height=0.2,
            width=0.3,
            top_left_x=0.2,
            top_left_y=0.2,
            theta=45
        ),
    },
]

# Add rotatable bounding box labels to each filtered label row
for label_row in consensus_branch_rows:
    for label in rotatable_bounding_box_labels:
        rbb_object_instance = rbb_ontology_object.create_instance()
        
        rbb_object_instance.set_for_frames(
            coordinates=label["coordinates"],
            frames=label["frame_number"],
            manual_annotation=False,  # Mark as a label
            confidence=1.0
        )
        
        # Link the object instance to the label row
        label_row.add_object_instance(rbb_object_instance)
    
with project.create_bundle() as bundle:
    for label_row in consensus_branch_rows:
        # Save the label row with the updated labels within the bundle
        label_row.save(bundle=bundle)

Polygons (Advanced)

Polygons can have simple and complex shapes, including being enclosed in one another, and encompassing separate regions. In each case the polygon’s coordinates are arranged in a different way.

Specifying coordinates for polygons uses this format:


PolygonCoordinates(polygons=[[[PointCoordinate(x1, y1), PointCoordinate(x2, y2),...]]]

Simple Polygon

Import a simple polygon using the recommended method.

Donut

Import a complex polygon with a hole in it.

Multiple Polygons

Import a complex polygon that is in multiple parts.

Donut with Object Inside

Imports a complex polygon that has a hole in it with another polygon inside.

# Import dependencies
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Object, ObjectInstance
from encord.objects.coordinates import PolygonCoordinates, PointCoordinate

# Configuration
SSH_PATH = "/Users/chris-encord/sdk-ssh-private-key.txt"
PROJECT_ID = "7d4ead9c-4087-4832-a301-eb2545e7d43b"
CONSENSUS_BRANCH_NAME = "my-label-branch-I"  # Specify your label branch
ONTOLOGY_OBJECT_TITLE = "Persimmon"  # Name of object label in your Ontology

# Define coordinates for each image
image_annotations = {
    "cherry-002-dup-001.jpg": [
        [  # Simple Polygon
            [PointCoordinate(1.000, 0.500), PointCoordinate(0.750, 0.933), 
             PointCoordinate(0.250, 0.933), PointCoordinate(0.000, 0.500), 
             PointCoordinate(0.250, 0.067), PointCoordinate(0.750, 0.067)]
        ]
    ],
    
    "cherry-002-dup-002.jpg": [
        [  # Simple Polygon
            [PointCoordinate(0.900, 0.400), PointCoordinate(0.700, 0.850), 
             PointCoordinate(0.300, 0.850), PointCoordinate(0.100, 0.400), 
             PointCoordinate(0.300, 0.100), PointCoordinate(0.700, 0.100)]
        ]
    ],
}

# Ensure SSH path and project id are set
assert SSH_PATH, "SSH path cannot be None"
assert PROJECT_ID, "Project id cannot be None"

# Authenticate with Encord using SSH key
user_client = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get project and list label rows for the specified branch
project = user_client.get_project(PROJECT_ID)
all_label_rows = project.list_label_rows_v2(branch_name=CONSENSUS_BRANCH_NAME)

# Filter label rows based on images in `image_annotations`
label_rows = [row for row in all_label_rows if row.data_title in image_annotations]

if not label_rows:
    print("No matching label rows found for specified images in branch '{CONSENSUS_BRANCH_NAME}'.")
    exit()

print("Processing label rows for:", [row.data_title for row in label_rows])

with project.create_bundle() as bundle:
    # Prepare for labeling
    for label_row in label_rows:
        label_row.initialise_labels(bundle=bundle)

for label_row in label_rows:
    image_title = label_row.data_title  # Get the image title
    polygon_data = image_annotations.get(image_title, [])  # Get associated polygons

    if not polygon_data:
        print(f"No polygon data found for {image_title}, skipping.")
        continue

    # Retrieve the specified ontology object by title
    polygon_ontology_object = project.ontology_structure.get_child_by_title(
        title=ONTOLOGY_OBJECT_TITLE,
        type_=Object
    )

    # Iterate through each polygon in the image's annotation data
    for polygon in polygon_data:
        # Instantiate an object instance from the polygon ontology node
        polygon_object_instance = polygon_ontology_object.create_instance()

        # Set the coordinates for the polygon
        polygon_object_instance.set_for_frames(
            coordinates=PolygonCoordinates(polygon),
            frames=0,  # Apply to the specified frame
            manual_annotation=True,  # Set to True for manual annotation
            confidence=1.0,  # Confidence of your label
        )

        # Link the object instance to the label row
        label_row.add_object_instance(polygon_object_instance)

with project.create_bundle() as bundle:
    for label_row in label_rows:
        # Save the label row with the polygon object instance within the bundle
        label_row.save(bundle=bundle)

print("Label rows updated with polygon instances.")

DEPRECATED - Polygons

Example 1

Imports a single polygon (Persimmon) to a single image (persimmon_001.jpg).

Example 2

Imports three instances (tracking an object across three sequential frames: 143, 144, and 145) of a polygon (Persimmon) to a video (Cherries_video.mp4).

Example 3

Imports three polygons (Persimmon) to a single image (persimmon_001.jpg).

Example 4:

Imports three instances (tracking 3 different objects across three frames: object 1 - frames 153, 154, 155, object 2 - frames 242, 244, 246, and object 3 - frames 343, 345, 347) of three polygons (Persimmon) to a video (Cherries_video.mp4).

# Import dependencies
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Object, ObjectInstance
from encord.objects.coordinates import PolygonCoordinates, PointCoordinate

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"
PROJECT_ID = "<project-unique-id>"
CONSENSUS_BRANCH_NAME = "<name-of-your-label-branch>"  # Specify the label branch
DATA_UNIT_TITLE = "<name-of-data-unit>"  # The title of the data unit (image or video)
ONTOLOGY_OBJECT_TITLE = "<object-name>"  # The ontology object title for the polygon

# Create user client using SSH key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get the project and list label rows for the label branch
project: Project = user_client.get_project(PROJECT_ID)
consensus_branch_rows = project.list_label_rows_v2(
    branch_name=CONSENSUS_BRANCH_NAME,  # Use the label branch
    data_title_eq=DATA_UNIT_TITLE
)

if not consensus_branch_rows:
    print("No matching data units found in the specified branch.")
else:
    print("Data units found:", [row.data_title for row in consensus_branch_rows])

# Initialize labels for each selected label row in the label branch
label_row = consensus_branch_rows[0]
label_row.initialise_labels()

# Find a polygon annotation object in the project ontology
polygon_ontology_object: Object = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE, type_=Object
)

# Instantiate an object instance from the polygon ontology node
polygon_object_instance: ObjectInstance = polygon_ontology_object.create_instance()

# Define the polygon coordinates
polygon_coordinates = PolygonCoordinates([
    PointCoordinate(0.1, 0.2),
    PointCoordinate(0.3, 0.4),
    PointCoordinate(0.5, 0.6),
    PointCoordinate(0.7, 0.8)
])

# Set the polygon label for the specified frame
polygon_object_instance.set_for_frames(
    coordinates=polygon_coordinates,
    frames=0,  # Specify the frame number
    manual_annotation=False,  # Mark as a label
    confidence=1.0  # Optional confidence score
)

# Link the object instance to the label row
label_row.add_object_instance(polygon_object_instance)

# Save the label row 
label_row.save()

Polyline

Example 1

Imports a single polyline (Branch) to a single image (persimmon_001.jpg).

Example 2

Imports three instances (tracking an object across three sequential frames: 146, 147, and 148) of a polygon (Branch) to a video (Cherries_video.mp4).

Example 3

Imports three polylines (Branch) to a single image (persimmon_001.jpg).

Example 4:

Imports three instances (tracking 3 different objects across three frames: object 1 - frames 246, 247, 248, object 2 - frames 346, 347, 348, and object 3 - frames 446, 447, 448) of three polylines (Branch) to a video (Cherries_video.mp4).

# Import dependencies
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Object, ObjectInstance
from encord.objects.coordinates import PolylineCoordinates, PointCoordinate

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"  # Path to your SSH private key
PROJECT_ID = "<project-unique-id>"  # Unique project id
CONSENSUS_BRANCH_NAME = "<your-label-branch-name>"  # Specify your label branch
DATA_UNIT_TITLE = "<name-of-data-unit>"  # Specific data unit title
ONTOLOGY_OBJECT_TITLE = "<object-name>"  # Name of the polyline object in your ontology

# Create user client using SSH key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get project for which labels are to be added
project: Project = user_client.get_project(PROJECT_ID)

# Specify the data unit to label in the given branch
label_row = project.list_label_rows_v2(
    branch_name=CONSENSUS_BRANCH_NAME,  # Filter by label branch
    data_title_eq=DATA_UNIT_TITLE
)[0]

# Initialize labels for the label row 
label_row.initialise_labels()

# Find a polyline annotation object in the project ontology
polyline_ontology_object: Object = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE, type_=Object
)

# Instantiate an object instance from the polyline ontology node
polyline_object_instance: ObjectInstance = polyline_ontology_object.create_instance()

# The x,y coordinates of each polyline vertex are specified as follows
polyline_object_instance.set_for_frames(
    coordinates=PolylineCoordinates(
        [PointCoordinate(.x1, .y1), PointCoordinate(.x2, .y2), PointCoordinate(.x3, .y3), PointCoordinate(.13, .456)]
    ),
    # Add the polyline to the specified frame number
    frames=<frame-number>,  # Replace with the actual frame number
    # There are multiple additional fields that can be set optionally:
    manual_annotation=True,
    confidence=1.0,
)

# Link the object instance to the label row
label_row.add_object_instance(polyline_object_instance)

# Save the label row with the polyline instance
label_row.save()
print("Label row updated with polyline instance.")

Keypoint

Example 1

Imports a single keypoint (Pedicel) to a single image (blueberry_003.png).

Example 2

Imports three instances (tracking an object across three sequential frames: 143, 144, and 145) of a keypoint (Pedicel) to a video (Blueberries_video.mp4).

Example 3

Imports three keypoints (Pedicel) to a single image (blueberry_003.png).

Example 4:

Imports three instances (tracking 3 different objects across three frames: object 1 - frames 143, 144, 145, object 2 - frames 242, 244, 246, and object 3 - frames 343, 345, 347) of three keypoints (Pedicel) to a video (Blueberries_video.mp4).

# Import dependencies
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Object, ObjectInstance
from encord.objects.coordinates import PointCoordinate

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"  # Path to your SSH private key
PROJECT_ID = "<project-unique-id>"  # Unique project id
CONSENSUS_BRANCH_NAME = "<your-label-branch-name>"  # Specify your label branch
DATA_UNIT_TITLE = "<name-of-data-unit>"  # Specific data unit title
ONTOLOGY_OBJECT_TITLE = "<object-name>"  # Name of the keypoint object in your ontology

# Create user client using SSH key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get project for which labels are to be added
project: Project = user_client.get_project(PROJECT_ID)

# Specify the data unit to label in the given branch
label_row = project.list_label_rows_v2(
    branch_name=CONSENSUS_BRANCH_NAME,  # Filter by label branch
    data_title_eq=DATA_UNIT_TITLE
)[0]

# Initialize labels for the label row
label_row.initialise_labels()

# Find a keypoint annotation object in the project ontology
keypoint_ontology_object: Object = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE, type_=Object
)

# Instantiate an object instance from the keypoint ontology node
keypoint_object_instance: ObjectInstance = keypoint_ontology_object.create_instance()

# The x,y coordinates of the keypoint are specified as follows
keypoint_object_instance.set_for_frames(
    coordinates=PointCoordinate(
        x=<value-for-x-axis>,  # Replace with the actual value for the x-axis
        y=<value-for-y-axis>   # Replace with the actual value for the y-axis
    ),
    # Add the keypoint to the specified frame number
    frames=<frame-number>,  # Replace with the actual frame number
    # There are multiple additional fields that can be set optionally:
    manual_annotation=True,
    confidence=1.0,
)

# Link the object instance to the label row
label_row.add_object_instance(keypoint_object_instance)

# Save the label row with the keypoint instance
label_row.save()
print("Label row updated with keypoint instance.")

Bitmask

Example 1:

Imports a single bitmask (Blueberry) to a single image (blueberry_003.jpg). For simplicity, the bitmask covers the entire image (image dimensions: 1254x836).

Example 2:

Imports three instances (tracking an object across three sequential frames: 156, 157, and 159) of a bitmask (Blueberry) to a video (Blueberries_video.mp4). For simplicity, the bitmask covers the entire frame (video dimensions: 1920x1080).

Example 3:

Imports three bitmasks (Blueberry) to a single image (blueberry_003.jpg). For simplicity, the bitmasks cover the entire image (image dimensions: 1254x836).

Example 4:

Imports three instances (tracking 3 different objects across three frames: object 1 - frames 156, 157, 158, object 2 - frames 256, 258, 259, and object 3 - frames 355, 357, 359) of three bitmasks (Blueberry) to a video (Blueberries_video.mp4). For simplicity, the bitmasks cover the entire frame (video dimensions: 1920x1080).

# Import dependencies
import numpy as np
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Object, ObjectInstance
from encord.objects.coordinates import BitmaskCoordinates

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"  # Path to your SSH private key
PROJECT_ID = "<project-unique-id>"  # Unique project id
CONSENSUS_BRANCH_NAME = "<your-label-branch-name>"  # Specify your label branch
DATA_UNIT_TITLE = "<data-unit-name>"  # Specific data unit title
ONTOLOGY_OBJECT_TITLE = "<bitmask-object-name>"  # Name of the bitmask object in your ontology

# Prepare the mask itself.
# For simplicity, we can just mask the whole image
# Note: the size of the mask must be identical to the size of the image
numpy_coordinates = np.ones((<y-axis-value>, <x-axis-value>))  # Replace with actual values

# Ensure the image is in boolean format
numpy_coordinates = numpy_coordinates.astype(bool)

# Create user client using SSH key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get project for which labels are to be added
project: Project = user_client.get_project(PROJECT_ID)

# Specify the data unit to label in the given branch
label_row = project.list_label_rows_v2(
    branch_name=CONSENSUS_BRANCH_NAME,  # Filter by label branch
    data_title_eq=DATA_UNIT_TITLE
)[0]

# Initialize labels for the label row 
label_row.initialise_labels()

# Find a bitmask annotation object in the project ontology
bitmask_ontology_object: Object = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE, type_=Object
)

# Instantiate an object instance from the bitmask ontology node
bitmask_object_instance: ObjectInstance = bitmask_ontology_object.create_instance()

# The coordinates for the bitmask are specified as follows
bitmask_object_instance.set_for_frames(
    # Create coordinates from provided numpy bitmask
    coordinates=BitmaskCoordinates(numpy_coordinates),
    # Add the bitmask to the first frame
    frames=0,
    # There are multiple additional fields that can be set optionally:
    manual_annotation=True,
    confidence=1.0,
)

# Link the object instance to the label row
label_row.add_object_instance(bitmask_object_instance)

# Save the label row with the bitmask instance
label_row.save()
print("Label row updated with bitmask instance.")

Object Primitives

Before you can import Object Primitive labels into Encord, the Object Primitive Template MUST exist in Encord. Use the UI to create the Object Primitive Template so you can visually inspect the Object Primitive.

Import Object Primitive labels

Example 1

Imports a single object primitive (Ontology object = Strawberry Object Primitive name = Triangle) to a single image (strawberries_10.jpg).

Example 2

Imports three instances (tracking an object across three sequential frames: 163, 164, and 165) of a object primitive (Ontology object = Strawberry Object Primitive name = Triangle) to a video (Cherries_video.mp4).

Example 3

Imports three object primitives (Ontology object = Strawberry Object Primitive name = Triangle) to a single image (strawberries_10.jpg).

Example 4

Imports three instances (tracking 3 different objects across three frames: object 1 - frames 173, 174, 175, object 2 - frames 183, 184, 185, and object 3 - frames 193, 194, 195) of three object primitives (Ontology object = Strawberry Object Primitive name = Triangle) to a video (Cherries_video.mp4).

# Import dependencies
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Object, ObjectInstance
from encord.objects.coordinates import SkeletonCoordinate, SkeletonCoordinates
from encord.objects.skeleton_template import SkeletonTemplate

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"  # Path to your SSH private key
PROJECT_ID = "<project-unique-id>"  # Unique project id
CONSENSUS_BRANCH_NAME = "<your-label-branch-name>"  # Specify your label branch
DATA_UNIT_TITLE = "<name-of-data-unit>"  # Specific data unit title
ONTOLOGY_OBJECT_TITLE = "<name-of-object-in-ontology>"  # Name of the object in your ontology
SKELETON_TEMPLATE_NAME = "<name-of-object-primitive>"  # Name of the skeleton template

# Create user client using SSH key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get project for which labels are to be added
project: Project = user_client.get_project(PROJECT_ID)

# Specify the data unit to label in the given branch
label_row = project.list_label_rows_v2(
    branch_name=CONSENSUS_BRANCH_NAME,  # Filter by label branch
    data_title_eq=DATA_UNIT_TITLE
)[0]

# Initialize labels for the label row
label_row.initialise_labels()

# Find a skeleton annotation object in the project ontology
skeleton_ontology_object: Object = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE, type_=Object
)
skeleton_template: SkeletonTemplate = project.ontology_structure.skeleton_templates[SKELETON_TEMPLATE_NAME]

# Instantiate an object instance from the skeleton ontology node
skeleton_object_instance: ObjectInstance = skeleton_ontology_object.create_instance()

skeleton_hashes = [coord.feature_hash for coord in skeleton_template.skeleton.values()]
skeleton_coordinates: SkeletonCoordinates = SkeletonCoordinates(values=[
    SkeletonCoordinate(
        x=0.x0, y=0.y0,  # Replace with actual coordinates
        name='point_0',
        color='#000000',
        value="point_0",
        feature_hash=skeleton_hashes[0]
    ),
    SkeletonCoordinate(
        x=0.x1, y=0.y1,  # Replace with actual coordinates
        name='point_1',
        color='#000000',
        value="point_1",
        feature_hash=skeleton_hashes[1]
    ),
    SkeletonCoordinate(
        x=0.x2, y=0.y2,  # Replace with actual coordinates
        name='point_2',
        color='#000000',
        value="point_2",
        feature_hash=skeleton_hashes[2]
    )
],
    name="<name-of-object-primitive>"  # Replace with the actual name
)

print(skeleton_coordinates)

# The x,y coordinates of the skeleton are specified as follows
skeleton_object_instance.set_for_frames(
    coordinates=skeleton_coordinates,
    # Add the skeleton to the image
    frames=0,
    # Additional fields that can be set optionally:
    manual_annotation=True,
    confidence=1.0,
)

# Link the object instance to the label row
label_row.add_object_instance(skeleton_object_instance)

# Save the label row with the skeleton instance
label_row.save()
print("Label row updated with skeleton instance.")

Radio Button

Example 1:

Imports a radio button classification (Blueberry or Cherry?) to a single image (blueberry_003.jpg).

Example 2:

Imports a radio button classification (Blueberry or Cherry?) across a range of sequential frames: 193 to 197) to a video (Blueberries_video.mp4).

# Import dependencies
from __future__ import annotations
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Classification
from encord.objects.options import Option

# Configuration
SSH_PATH = "<file-path-to-ssh-private-key>"  # Path to your SSH private key
PROJECT_ID = "<unique-project-id>"  # Unique project id
CONSENSUS_BRANCH_NAME = "<your-label-branch-name>"  # Specify your label branch
DATA_UNIT_TITLE = "<data-unit-name>"  # Specific data unit title
ONTOLOGY_OBJECT_TITLE = "<classification-name>"  # Name of the classification in your ontology
RADIO_BUTTON_OPTION_TITLE = "<radio-button-option-title>"  # Title of the radio button option
RADIO_BUTTON_OPTION = "<radio-button-option>"  # Specify the answer for the radio button option

# Create user client using SSH key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get project for which labels are to be added
project: Project = user_client.get_project(PROJECT_ID)

# Specify the data unit to apply classification in the given branch
label_row = project.list_label_rows_v2(
    branch_name=CONSENSUS_BRANCH_NAME,  # Filter by label branch
    data_title_eq=DATA_UNIT_TITLE
)[0]

# Initialize labels for the label row 
label_row.initialise_labels()

# Find the radio classification in the project ontology
radio_ontology_classification: Classification = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE,
    type_=Classification,
)

# Find the specific radio button option
blueberry_option = radio_ontology_classification.get_child_by_title(
    title=RADIO_BUTTON_OPTION_TITLE, type_=Option
)

# Create an instance of the radio classification
radio_classification_instance = radio_ontology_classification.create_instance()

# Set the answer for the classification instance
radio_classification_instance.set_answer(
    answer=RADIO_BUTTON_OPTION
)

# Set the classification for the specified frame
radio_classification_instance.set_for_frames(
    # Add the classification to the image
    frames=0,
    # Additional fields that can be set optionally:
    manual_annotation=True,
    confidence=1.0,
)

# Link the classification instance to the label row
label_row.add_classification_instance(radio_classification_instance)

# Save the label row with the classification instance
label_row.save()

print("Label row updated with classification instance.")

Checklist

Example 1:

Imports a checklist classification (Many types of fruit?) to a single image (apple_003.jpg). The selected items from the list are apple and kiwi.

Example 2:

Imports a checklist classification (Many types of fruit?) across a range of sequential frames: 193 to 197) to a video (Blueberries_video.mp4). The selected items from the list are apple and kiwi.

# Import dependencies
from __future__ import annotations
from pathlib import Path
from encord import EncordUserClient, Project
from encord.objects import Classification
from encord.objects.options import Option

# Configuration
SSH_PATH = "/Users/chris-encord/sdk-ssh-private-key.txt"  # Path to your SSH private key
PROJECT_ID = "7d4ead9c-4087-4832-a301-eb2545e7d43b"  # Unique project id
CONSENSUS_BRANCH_NAME = "<your-label-branch-name>"  # Specify your label branch
DATA_UNIT_TITLE = "Blueberries_video.mp4"  # Specific data unit title
ONTOLOGY_OBJECT_TITLE = "Many types of fruit?"  # Name of the classification in your ontology
APPLE_OPTION_TITLE = "Apple"  # Title of the apple option
KIWI_OPTION_TITLE = "Kiwi"  # Title of the kiwi option

# Create user client using SSH key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    Path(SSH_PATH).read_text()
)

# Get project for which labels are to be added
project: Project = user_client.get_project(PROJECT_ID)

# Specify the data unit to add classification in the given branch
label_row = project.list_label_rows_v2(
    branch_name=CONSENSUS_BRANCH_NAME,  # Filter by label branch
    data_title_eq=DATA_UNIT_TITLE
)[0]

# Initialize labels for the label row
label_row.initialise_labels()

# Find the checklist classification in the project ontology
checklist_ontology_classification: Classification = project.ontology_structure.get_child_by_title(
    title=ONTOLOGY_OBJECT_TITLE,
    type_=Classification,
)

# Find the specific options in the checklist
apple_option = checklist_ontology_classification.get_child_by_title(
    title=APPLE_OPTION_TITLE, type_=Option
)

kiwi_option = checklist_ontology_classification.get_child_by_title(
    title=KIWI_OPTION_TITLE, type_=Option
)

# Create an instance of the checklist classification
checklist_classification_instance = checklist_ontology_classification.create_instance()

# Set the answers for the classification instance
checklist_classification_instance.set_answer(
    [apple_option, kiwi_option]
)

# Set the classification for the specified frame
checklist_classification_instance.set_for_frames(
    # Add the classification to the image
    frames=177,
    # Additional fields that can be set optionally:
    manual_annotation=True,
    confidence=1.0,
)

# Link the classification instance to the label row
label_row.add_classification_instance(checklist_classification_instance)

# Save the label row with the classification instance
label_row.save()

print("Label row updated with checklist classification instance.")

This simple example imports a bounding box model label to all data units in the label branch.

Store labels Boilerplate

# Import dependencies
import os
from encord import EncordUserClient, Project
from encord.objects import LabelRowV2, Object, OntologyStructure, ObjectInstance

from encord.objects.coordinates import BoundingBoxCoordinates, RotatableBoundingBoxCoordinates, PolygonCoordinates, PolylineCoordinates, PointCoordinate, BitmaskCoordinates


# Configuration
SSH_PATH = "file-path-to-your-ssh-key"
PROJECT_ID = "unique-id-for-project"

# Specify a label_rows_v2 branch name for your labels.
CONSENSUS_BRANCH_NAME = "name-of-your-label-branch"

assert SSH_PATH is not None, "SSH path cannot be None"
assert PROJECT_ID is not None, "Project id cannot be None"

# Authenticate with Encord
user_client = EncordUserClient.create_with_ssh_private_key(
    ssh_private_key_path=SSH_PATH
)

# Access the project and prepare the branch for labels
project = user_client.get_project(PROJECT_ID)
consensus_branch_rows = project.list_label_rows_v2(branch_name=CONSENSUS_BRANCH_NAME)

if len(consensus_branch_rows) > 0:
  print("Branch is:", consensus_branch_rows[0].branch_name)

ontology_object = project.ontology_structure.objects[0]
with project.create_bundle() as bundle:
    for row in consensus_branch_rows:
        row.initialise_labels(bundle=bundle)

for row in consensus_branch_rows:
    inst = ontology_object.create_instance()
    inst.set_for_frames(
        coordinates=BoundingBoxCoordinates(
            height=0.8,
            width=0.8,
            top_left_x=0.1,
            top_left_y=0.1,
        ),
        # Add the bounding box to the first frame
        frames=0,
        # There are multiple additional fields that can be set optionally:
        manual_annotation=False,
    )
    row.add_object_instance(inst)

with project.create_bundle() as bundle:
    for row in consensus_branch_rows:
    row.save(bundle=bundle)

This simple example imports a bounding box model label to all data units in the label branch.

Store labels Boilerplate

# Import dependencies
import os
from encord import EncordUserClient, Project
from encord.objects import LabelRowV2, Object, OntologyStructure, ObjectInstance

from encord.objects.coordinates import BoundingBoxCoordinates, RotatableBoundingBoxCoordinates, PolygonCoordinates, PolylineCoordinates, PointCoordinate, BitmaskCoordinates


# Configuration
SSH_PATH = "file-path-to-your-ssh-key"
PROJECT_HASH = "unique-id-for-project"

# Specify a label_rows_v2 branch name for your labels.
CONSENSUS_BRANCH_NAME = "name-of-your-label-branch"

assert SSH_PATH is not None, "SSH path cannot be None"
assert PROJECT_ID is not None, "Project ID cannot be None"

# Authenticate with Encord
user_client = EncordUserClient.create_with_ssh_private_key(
    ssh_private_key_path=SSH_PATH
)

# Access the project and prepare the branch for labels
project = user_client.get_project(PROJECT_HASH)
consensus_branch_rows = project.list_label_rows_v2(branch_name=CONSENSUS_BRANCH_NAME)

if len(consensus_branch_rows) > 0:
  print("Branch is:", consensus_branch_rows[0].branch_name)

ontology_object = project.ontology_structure.objects[0]
with project.create_bundle() as bundle:
    for row in consensus_branch_rows:
        row.initialise_labels(bundle=bundle)

for row in consensus_branch_rows:
    inst = ontology_object.create_instance()
    inst.set_for_frames(
        coordinates=BoundingBoxCoordinates(
            height=0.8,
            width=0.8,
            top_left_x=0.1,
            top_left_y=0.1,
        ),
        # Add the bounding box to the first frame
        frames=0,
        # There are multiple additional fields that can be set optionally:
        manual_annotation=False,
    )
    row.add_object_instance(inst)

with project.create_bundle() as bundle:
    for row in consensus_branch_rows:
    row.save(bundle=bundle)

Import COCO Labels to Consensus Branches

The following code imports COCO labels as predictions for Active.

For more information on importing COCO labels into Encord, refer to our documentation.

Replace the following:

<private_key_path> with the file path to your SSH private key.
encord-<name-of-your-consensus-branch> with the name of your label branch.
<project_hash> with the Project ID for your Project.
COCOimportfile.json with the full path of the COCO file containing the predictions you want to import.

COCO Label import as Predictions


import json
from pathlib import Path
from encord.utilities.coco.datastructure import FrameIndex
from encord import EncordUserClient
from encord.exceptions import OntologyError

# Authenticate client
SSH_PATH = "file-path-to-your-ssh-key"

# Specify a Project to import your predictions to. This Project must already exist in Encord.
PROJECT_HASH = "unique-id-for-project"

# Specify a label_rows_v2 branch name for your labels.
CONSENSUS_BRANCH_NAME = "encord-<name-of-your-consensus-branch>"

# Authenticate with Encord using the path to your private key
user_client: EncordUserClient = EncordUserClient.create_with_ssh_private_key(
    ssh_private_key_path=SSH_PATH
)

# Replace with your project ID
project = user_client.get_project(PROJECT_ID)

# Load the COCO annotations JSON file
# Replace 'COCOimportfile.json' with the full path to your COCO file
coco_file = Path("COCOimportfile.json")
labels_dict = json.loads(coco_file.read_text())

# Build a mapping from COCO category IDs to the feature hashes in your Encord Ontology. 
category_id_to_feature_hash = {}
ont_struct = project.ontology_structure
for coco_category in labels_dict["categories"]:
    try:
        ont_obj = ont_struct.get_child_by_title(coco_category["name"])
        category_id_to_feature_hash[coco_category["id"]] = ont_obj.feature_node_hash
    except OntologyError:
        print(f"Could not match {coco_category['name']} in the Ontology. Import will crash if these are present.")

# Build a mapping from COCO image IDs to Encord frame indices
# This is only applicable for images, image groups, image sequences, videos, and DICOM series
image_id_to_frame_index = {}
data_title_to_label_row = {lr.data_title: lr for lr in project.list_label_rows_v2(branch_name=CONSENSUS_BRANCH_NAME)}
for img in labels_dict['images']:
    if "video_title" in img.keys():
        lr = data_title_to_label_row[img["video_title"]]
        frame_num = int(img["file_name"].split('/')[-1].split(".")[0])
    else:
        lr = data_title_to_label_row[img['image_title']]
        frame_num = 0

    # Creates a mapping between the COCO image IDs and the corresponding frame indices in Encord
    # In this example, the target frame is 0 because the files in the sample project are single images
    image_id_to_frame_index[img['id']] = FrameIndex(lr.data_hash, frame=frame_num)

# Import the COCO labels into Encord
project.import_coco_labels(
    labels_dict,
    category_id_to_feature_hash,
    image_id_to_frame_index,
    branch_name=CONSENSUS_BRANCH_NAME,
)

Verify Label Import

After importing your labels, verify that your labels imported.

The following code returns all labels and predictions on all branches.


# Import dependencies
from encord import EncordUserClient
import json

SSH_PATH = "file-path-of-your-ssh-key"
PROJECT_HASH = "unique-id-for-your-project"

# Instantiate client. Replace \<private_key_path> with the path to the file containing your private key.
user_client = EncordUserClient.create_with_ssh_private_key(
    ssh_private_key_path=SSH_PATH
)

# Specify Project. Replace <project_hash> with the ID of the Project you want to export labels for.
project = user_client.get_project(PROJECT_HASH)

# Downloads a local copy of all the labels
# Without the include_all_label_branches flag only the MAIN branch labels export
label_rows = project.list_label_rows_v2(include_all_label_branches=True) 

# Initialize label rows using bundles
with project.create_bundle() as bundle:
    for label_row in label_rows:
        label_row.initialise_labels(bundle=bundle)

for label_row in label_rows:
    # Here we have the label row for the branch, but without labels themselves downloaded
    print(f"Title: {label_row.data_title}, branch: {label_row.branch_name}")

    # Print essential label information for all objects
    for object_instance in label_row.get_object_instances():
        print (f"objectHash: {object_instance.object_hash}")
        print (f"Object name: {object_instance.object_name}")
        print (f"featureHash: {object_instance.feature_hash}")
        print (f"uid: {object_instance.ontology_item.uid}")
        print (f"Object color: {object_instance.ontology_item.color}")
        print (f"Ontology shape: {object_instance.ontology_item.shape}")

        # Print the frame number and the location of the object on the frame
        for annotation in object_instance.get_annotations():
            print(f"Frame {annotation.frame} -> {annotation.coordinates}")

        # Print all attributes 
        for attribute in object_instance.ontology_item.attributes:
            print (attribute, object_instance)

    # Print all essential classification information
    for classification_instance in label_row.get_classification_instances():
        print (f"classificationHash: {classification_instance.classification_hash}")
        print (f"Classification name: {classification_instance.classification_name}")
        print (f"featureHash: {classification_instance.feature_hash}")
        print (f"Classification answer: {classification_instance.get_answer().value}")
        print (f"Classification answer hash: {classification_instance.get_answer().feature_node_hash}")


        # Print the frame number(s) that a classification appears on
        for annotation in classification_instance.get_annotations():
            print(f"Classification appears on frame: {annotation.frame}")

Import Labels/Annotations Import COCO Labels/Annotations

On this page

Overview
Supported Label/Annotation Formats
Confidence Score
Label Branches
Import Labels/Annotations to Consensus Projects
Import Encord-Format Labels
Import COCO Labels to Consensus Branches
Verify Label Import

Get Started

General

Index

Ontologies

Projects

Labels

Datasets

DICOM

Active API & SDK

Import Labels/Annotations to Consensus Branches

Overview

Supported Label/Annotation Formats

Confidence Score

Label Branches

Import Labels/Annotations to Consensus Projects

Import Encord-Format Labels

Import COCO Labels to Consensus Branches

Verify Label Import

Get Started

General

Index

Ontologies

Projects

Labels

Datasets

DICOM

Active API & SDK

​Overview

​Supported Label/Annotation Formats

​Confidence Score

​Label Branches

​Import Labels/Annotations to Consensus Projects

​Import Encord-Format Labels

​Import COCO Labels to Consensus Branches

​Verify Label Import

Overview

Supported Label/Annotation Formats

Confidence Score

Label Branches

Import Labels/Annotations to Consensus Projects

Import Encord-Format Labels

Import COCO Labels to Consensus Branches

Verify Label Import