Generate single-cell images

Here, we are going to process the previously ingested microscopy images with the scPortrait pipeline to generate single-cell images that we can use to assess autophagosome formation at a single-cell level.

import lamindb as ln
from collections.abc import Iterable

from pathlib import Path
from scportrait.pipeline.extraction import HDF5CellExtraction
from scportrait.pipeline.project import Project
from scportrait.pipeline.segmentation.workflows import CytosolSegmentationCellpose

ln.track()

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→ connected lamindb: testuser1/test-sc-imaging

→ created Transform('fZem7hpCe5eb0000', key='sc-imaging2.ipynb'), started new Run('JROGRV3Jcyc6PQfu') at 2026-07-30 06:12:43 UTC

→ notebook imports: lamindb-core==2.8.1 scportrait==1.8.0

• tip: to identify the notebook across renames, pass the uid: ln.track("fZem7hpCe5eb")

Query microscopy images

First, we query for the raw and annotated microscopy images.

input_images = ln.Artifact.filter(
    ulabels__name="autophagy imaging", description__icontains="raw image", suffix=".tif"
)

The experiment includes two genotypes (WT and EI24KO) under two treatment conditions (unstimulated vs. 14h Torin-1). Multiple clonal cell lines were imaged for each condition across several fields of view (FOVs) and imaging channels.

We’ll extract single-cell images from each FOV and annotate them with metadata including genotype, treatment condition, clonal cell line, and imaging experiment.

input_images_df = input_images.to_dataframe(features=True)

display(input_images_df.head())

conditions = input_images_df["stimulation"].unique().tolist()
cell_line_clones = input_images_df["cell_line_clone"].unique().tolist()
FOVs = input_images_df["FOV"].unique().tolist()

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! truncated query result to limit=20 Artifact objects

/tmp/ipykernel_3204/1645869880.py:1: DeprecationWarning: `features=True` is deprecated, pass `include="features"` instead.
  input_images_df = input_images.to_dataframe(features=True)

	uid	key	genotype	stimulation	cell_line_clone	channel	FOV	magnification	microscope	imaged structure	resolution	study
id
49	AVRTVX9gEu4LrTAP0000	input_data_imaging_usecase/images/Timepoint001...	EI24KO	untreated	U2OS lcklip-mNeon mCherryLC3B EI24 KO clone 2	mCherry	FOV2	20X	Opera Phenix	mCherry-LC3B	0.597976	autophagy imaging
48	6uUjyphUD4D1Hixc0000	input_data_imaging_usecase/images/Timepoint001...	EI24KO	untreated	U2OS lcklip-mNeon mCherryLC3B EI24 KO clone 2	mCherry	FOV1	20X	Opera Phenix	mCherry-LC3B	0.597976	autophagy imaging
47	AhBvnNKg5yJcG6LU0000	input_data_imaging_usecase/images/Timepoint001...	EI24KO	untreated	U2OS lcklip-mNeon mCherryLC3B EI24 KO clone 2	DAPI	FOV2	20X	Opera Phenix	DNA	0.597976	autophagy imaging
46	Cvamog4G3a2XYGM80000	input_data_imaging_usecase/images/Timepoint001...	EI24KO	untreated	U2OS lcklip-mNeon mCherryLC3B EI24 KO clone 2	DAPI	FOV1	20X	Opera Phenix	DNA	0.597976	autophagy imaging
45	Oww4y0yYuR8pxV9q0000	input_data_imaging_usecase/images/Timepoint001...	EI24KO	untreated	U2OS lcklip-mNeon mCherryLC3B EI24 KO clone 2	Alexa488	FOV2	20X	Opera Phenix	LckLip-mNeon	0.597976	autophagy imaging

Alternatively, we can query for the ULabel directly:

conditions = ln.ULabel.filter(
    links_artifact__feature__name="stimulation", artifacts__in=input_images
).distinct()

cell_line_clones = ln.ULabel.filter(
    links_artifact__feature__name="cell_line_clone", artifacts__in=input_images
).distinct()

FOVs = ln.ULabel.filter(
    links_artifact__feature__name="FOV", artifacts__in=input_images
).distinct()

By iterating through conditions, cell lines and FOVs, we should only have 3 images showing a single FOV to enable processing using scPortrait.

# Create artifact type feature and associated label
ln.Feature(name="artifact type", dtype=ln.ULabel).save()
ln.ULabel(name="scportrait config").save()

# Load config file for processing all datasets
config_file_af = ln.Artifact.connect("scportrait/examples").get(
    key="input_data_imaging_usecase/config.yml"
)

config_file_af.description = (
    "config for scportrait for processing of cells stained for autophagy markers"
)
config_file_af.save()

# Annotate the config file with the metadata relevant to the study
config_file_af.features.add_values(
    {"study": "autophagy imaging", "artifact type": "scportrait config"}
)

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→ transferred: Artifact(uid='voi8szTkmKPiahUA0000')

Process images with scPortrait

Let’s take a look at the processing of one example FOV.

# Get input images for one example FOV
condition, cellline, FOV = conditions[0], cell_line_clones[0], FOVs[0]

images = (
    input_images.filter(ulabels=condition)
    .filter(ulabels=cellline)
    .filter(ulabels=FOV)
    .distinct()
)

# Quick sanity check - all images should share metadata except channel/structure
values_to_ignore = ["channel", "imaged structure"]
features = images.first().features.get_values()
shared_features = {k: v for k, v in features.items() if k not in values_to_ignore}

for image in images:
    image_features = image.features.get_values()
    filtered_features = {
        k: v for k, v in image_features.items() if k not in values_to_ignore
    }
    assert shared_features == filtered_features

# Get image paths in correct channel order
input_image_paths = [
    images.filter(ulabels__name=channel).one().cache()
    for channel in ["DAPI", "Alexa488", "mCherry"]
]

# Create output directory and unique project ID
output_directory = "processed_data"
unique_project_id = f"{shared_features['cell_line_clone']}/{shared_features['stimulation']}/{shared_features['FOV']}".replace(
    " ", "_"
)
project_location = f"{output_directory}/{unique_project_id}/scportrait_project"

# Create directories
Path(project_location).mkdir(parents=True, exist_ok=True)

# Initialize the scPortrait project
project = Project(
    project_location=project_location,
    config_path=config_file_af.cache(),
    segmentation_f=CytosolSegmentationCellpose,
    extraction_f=HDF5CellExtraction,
    overwrite=True,
)

# Load images and process
project.load_input_from_tif_files(
    input_image_paths, overwrite=True, channel_names=["DAPI", "Alexa488", "mCherry"]
)
project.segment()
project.extract()

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Updating project config file.

/tmp/ipykernel_3204/1211438391.py:12: UserWarning: There is already a directory in the location path
  project = Project(

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WARNING:ome_zarr.reader:no parent found for <ome_zarr.reader.Label object at 0x7fd87c781790>: None

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Let’s look at the input images we processed.

project.plot_input_image()

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WARNING:ome_zarr.reader:no parent found for <ome_zarr.reader.Label object at 0x7fd86ce96180>: None

WARNING:ome_zarr.reader:no parent found for <ome_zarr.reader.Label object at 0x7fd86ce4ed50>: None

Now we can look at the results generated by scPortrait. First, the segmentation masks.

project.plot_segmentation_masks()

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And then extraction results consisting of individual single-cell images over all of the channels.

project.plot_single_cell_images()

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Save and annotate results

Now we also want to save these results to the instance.

ln.Artifact.from_spatialdata(
    sdata=project.filehandler.get_sdata(),
    description="scportrait spatialdata object containing results of cells stained for autophagy markers",
    key=f"processed_data_imaging_use_case/{unique_project_id}/spatialdata.zarr",
).save()

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WARNING:ome_zarr.reader:no parent found for <ome_zarr.reader.Label object at 0x7fd8c8ae6180>: None

WARNING:ome_zarr.reader:no parent found for <ome_zarr.reader.Label object at 0x7fd8c89c0380>: None

Artifact(uid='75KTOtSy3z3IYoT00000', key='processed_data_imaging_use_case/U2OS_lcklip-mNeon_mCherryLC3B_clone_1/14h_Torin-1/FOV1/spatialdata.zarr', description='scportrait spatialdata object containing results of cells stained for autophagy markers', suffix='.zarr', kind='dataset', otype='SpatialData', size=5806980, hash='fOxQvTiXkoKAUrE9NARA8Q', n_files=67, n_observations=None, extra_data=None, branch_id=1, created_on_id=1, space_id=1, storage_id=1, run_id=3, schema_id=None, created_by_id=1, created_at=2026-07-30 06:14:00 UTC, is_locked=False, version_tag=None, is_latest=True)

# Define schemas for single-cell image dataset
schemas = {
    "obs": ln.Schema(
        name="single-cell image dataset schema obs",
        features=[
            ln.Feature(name="scportrait_cell_id", dtype="int", coerce_dtype=True).save()
        ],
    ).save(),
    "uns": ln.Schema(
        name="single-cell image dataset schema uns",
        features=[ln.Feature(name="single_cell_images", dtype=dict).save()],
    ).save(),
}

# Create composite schema
h5sc_schema = ln.Schema(
    name="single-cell image dataset",
    otype="AnnData",
    slots=schemas,
).save()

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! rather than passing a string 'int' to dtype, consider passing a Python object

! you are trying to create a record with name='single-cell image dataset schema uns' but a record with similar name exists: 'single-cell image dataset schema obs'. Did you mean to load it?

! you are trying to create a record with name='single-cell image dataset' but records with similar names exist: 'single-cell image dataset schema obs', 'single-cell image dataset schema uns'. Did you mean to load one of them?

/tmp/ipykernel_3204/1081745476.py:6: DeprecationWarning: `coerce_dtype` argument was renamed to `coerce` and will be removed in a future release.
  ln.Feature(name="scportrait_cell_id", dtype="int", coerce_dtype=True).save()

# Curate the AnnData object
curator = ln.curators.AnnDataCurator(project.h5sc, h5sc_schema)
curator.validate()

# Save artifact with annotations
artifact = curator.save_artifact(
    key=f"processed_data_imaging_use_case/{unique_project_id}/single_cell_data.h5ad"
)

# Add metadata and labels
annotation = shared_features.copy()
annotation["imaged structure"] = [
    ln.ULabel.connect("scportrait/examples").get(name=name)
    for name in ["LckLip-mNeon", "DNA", "mCherry-LC3B"]
]

artifact.features.add_values(annotation)
artifact.labels.add(ln.ULabel(name="scportrait single-cell images").save())

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→ returning schema with same hash: Schema(uid='xFyTv341s5w7cJvU', is_type=False, name='single-cell image dataset schema obs', description=None, n_members=1, coerce=None, flexible=False, itype='Feature', otype=None, suffix=None, hash='dWrCpMz_01OLVTjQfO9PXQ', minimal_set=True, ordered_set=False, maximal_set=False, branch_id=1, created_on_id=1, space_id=1, created_by_id=1, run_id=3, type_id=None, created_at=2026-07-30 06:14:00 UTC, is_locked=False)

→ returning schema with same hash: Schema(uid='iXK6tTKx1ukcgrdX', is_type=False, name='single-cell image dataset schema uns', description=None, n_members=1, coerce=None, flexible=False, itype='Feature', otype=None, suffix=None, hash='FYA7DOlWIagHtcaGRnOIRg', minimal_set=True, ordered_set=False, maximal_set=False, branch_id=1, created_on_id=1, space_id=1, created_by_id=1, run_id=3, type_id=None, created_at=2026-07-30 06:14:00 UTC, is_locked=False)

To process all files in our dataset efficiently, we’ll create a custom image processing function. We decorate this function with tracked() to track data lineage of the input and output artifacts.

The function will skip files that have already been processed and uploaded, improving processing time by avoiding redundant computations.

@ln.tracked()
def process_images(
    config_file_af: ln.Artifact,
    input_artifacts: Iterable[ln.Artifact],
    h5sc_schema: ln.Schema,
    output_directory: str,
) -> None:
    # Quick sanity check - all images should share metadata except channel/structure
    values_to_ignore = ["channel", "imaged structure"]
    first_features = input_artifacts.first().features.get_values()
    shared_features = {
        k: v for k, v in first_features.items() if k not in values_to_ignore
    }

    for artifact in input_artifacts:
        artifact_features = artifact.features.get_values()
        filtered_features = {
            k: v for k, v in artifact_features.items() if k not in values_to_ignore
        }
        assert shared_features == filtered_features

    # Create a unique project ID
    unique_project_id = f"{shared_features['cell_line_clone']}/{shared_features['stimulation']}/{shared_features['FOV']}".replace(
        " ", "_"
    )

    # Check if already processed
    base_key = f"processed_data_imaging_use_case/{unique_project_id}"
    try:
        ln.Artifact.connect("scportrait/examples").get(
            key=f"{base_key}/single_cell_data.h5ad"
        )
        ln.Artifact.connect("scportrait/examples").get(
            key=f"{base_key}/spatialdata.zarr"
        )
        print("Dataset already processed. Skipping.")
        return
    except ln.Artifact.DoesNotExist:
        pass

    # Get image paths in channel order
    input_image_paths = [
        input_artifacts.filter(ulabels__name=channel).one().cache()
        for channel in ["DAPI", "Alexa488", "mCherry"]
    ]

    # Setup and process project
    project_location = f"{output_directory}/{unique_project_id}/scportrait_project"
    Path(project_location).mkdir(parents=True, exist_ok=True)

    project = Project(
        project_location=project_location,
        config_path=config_file_af.cache(),
        segmentation_f=CytosolSegmentationCellpose,
        extraction_f=HDF5CellExtraction,
        overwrite=True,
    )

    project.load_input_from_tif_files(
        input_image_paths, overwrite=True, channel_names=["DAPI", "Alexa488", "mCherry"]
    )
    project.segment()
    project.extract()

    # Save single-cell images
    curator = ln.curators.AnnDataCurator(project.h5sc, h5sc_schema)
    curator.validate()
    artifact = curator.save_artifact(key=f"{base_key}/single_cell_data.h5ad")

    annotation = shared_features.copy()
    annotation["imaged structure"] = [
        ln.ULabel.connect("scportrait/examples").get(name=name)
        for name in ["LckLip-mNeon", "DNA", "mCherry-LC3B"]
    ]

    artifact.features.add_values(annotation)
    artifact.labels.add(ln.ULabel.get(name="scportrait single-cell images"))

    # Save SpatialData object
    ln.Artifact.from_spatialdata(
        sdata=project.filehandler.get_sdata(),
        description="scportrait spatialdata object containing results of cells stained for autophagy markers",
        key=f"{base_key}/spatialdata.zarr",
    ).save()

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/tmp/ipykernel_3204/2251390660.py:1: DeprecationWarning: Use step instead of tracked, tracked will be removed in the future.
  @ln.tracked()

Now we are ready to process all of our input images and upload the generated single-cell image datasets back to our instance.

for condition in conditions:
    for cellline in cell_line_clones:
        for FOV in FOVs:
            images = (
                input_images.filter(ulabels=condition)
                .filter(ulabels=cellline)
                .filter(ulabels=FOV)
                .distinct()
            )

            if images:
                process_images(
                    config_file_af,
                    input_artifacts=images,
                    h5sc_schema=h5sc_schema,
                    output_directory=output_directory,
                )

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→ ignoring transform with same filename in different folder:
    fZem7hpCe5eb0000 → sc-imaging2.ipynb

→ created Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('hLREebKAKZu0PFep', entrypoint='process_images') at 2026-07-30 06:14:00 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[Md4OouMExlWS2YfZ0000]', 'Artifact[CiQYTBNZrj0CPejK0000]', 'Artifact[YGiNq6DPfIEjtt9j0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('lAcSv9Oc2GoqO4Kw', entrypoint='process_images') at 2026-07-30 06:14:01 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[KKbVRkOjQ1jdA2fx0000]', 'Artifact[W6tzE7JNiM80Ruho0000]', 'Artifact[uuh41FAHEz0ASL2N0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('gKV8t4ysq5FyCkQd', entrypoint='process_images') at 2026-07-30 06:14:02 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[yiIMSAddDWgLgki70000]', 'Artifact[DEzw4QQAsjVZ010b0000]', 'Artifact[hbVyCGFARHU91Kax0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('46VUubJIdnqKw8LZ', entrypoint='process_images') at 2026-07-30 06:14:02 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[2ie2Kjzn1O7UYhuq0000]', 'Artifact[fOQSb7JCK67aeN6a0000]', 'Artifact[qHQpdWcFu7FzF6l50000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('2dXoHV4c5Zn5lvsp', entrypoint='process_images') at 2026-07-30 06:14:03 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[jVytS8AyAHmHkYR30000]', 'Artifact[cw4F6bUB9zuMthCY0000]', 'Artifact[7TZGXvbA0JLL68hR0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('TruDVLf5gLfm5jPk', entrypoint='process_images') at 2026-07-30 06:14:04 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[vCVbKkzz4CnJPPKF0000]', 'Artifact[5kMhlcDNek4RMeQF0000]', 'Artifact[9BmbViqMmlVhpfS00000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('hlj8CzUYauubgffL', entrypoint='process_images') at 2026-07-30 06:14:04 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[OS0wBE7bviIlW7qj0000]', 'Artifact[ixOpuSTsyrPXdYuA0000]', 'Artifact[6uMjKAk1aYlAV7Cf0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('AR06GPHyvwhA584g', entrypoint='process_images') at 2026-07-30 06:14:05 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[9ZVngbl0JUS0XdZ70000]', 'Artifact[IzP3IAwIhmM7OORD0000]', 'Artifact[RRVS8qVx3VSw02Xu0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('IUPIVuQ9MdKDGsWr', entrypoint='process_images') at 2026-07-30 06:14:06 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[Gtwi9Pcyx8maQEWB0000]', 'Artifact[sHHpiiFYWsIXMZNV0000]', 'Artifact[hNMkrIHce1XrLZHY0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('HeJNGwTTtCSiGYQJ', entrypoint='process_images') at 2026-07-30 06:14:07 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[nSZhAypqiNZ2Ylbe0000]', 'Artifact[jzqxtoduIJ3hCbB40000]', 'Artifact[M06liaIzh2OVEuJ40000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('KHifB1VbXYhnv70f', entrypoint='process_images') at 2026-07-30 06:14:07 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[mXWwV1x42Jz9RoSO0000]', 'Artifact[gj0HHnoVpEqbaUJb0000]', 'Artifact[1XnEyqVt6UGXCTmV0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('GIqnQFGrDspquVbM', entrypoint='process_images') at 2026-07-30 06:14:08 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[Ov8FnKzHMNY0XVJa0000]', 'Artifact[Lwk8shsYe0V5bMgd0000]', 'Artifact[YuyVn060M4FxATPz0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('jvVijFfl2ldYLQUR', entrypoint='process_images') at 2026-07-30 06:14:09 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[ThuJnRAhqkp54kyU0000]', 'Artifact[PquYNyshQTDd24Vw0000]', 'Artifact[8SFUmW0RhBNySxBO0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('PKs35deeaBVEPgky', entrypoint='process_images') at 2026-07-30 06:14:09 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[h4EKWveW36LIzXez0000]', 'Artifact[fdem35nw5ztUnEIM0000]', 'Artifact[VkmKLUCaMsYFCuGE0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('w6rw6rWE7VU37R1j', entrypoint='process_images') at 2026-07-30 06:14:10 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[QDPX1ljp0eCMz80o0000]', 'Artifact[Cvamog4G3a2XYGM80000]', 'Artifact[6uUjyphUD4D1Hixc0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

→ loaded Transform('fsUabwM8kuH30000', key='sc-imaging2.ipynb'), started new Run('8dXuSH96RrjxWsTM', entrypoint='process_images') at 2026-07-30 06:14:11 UTC
→ params: config_file_af='Artifact[voi8szTkmKPiahUA0000]', input_artifacts=['Artifact[Oww4y0yYuR8pxV9q0000]', 'Artifact[AhBvnNKg5yJcG6LU0000]', 'Artifact[AVRTVX9gEu4LrTAP0000]'], h5sc_schema='Schema[4yCtvnKU5EMSmWDG]', output_directory='processed_data'

Dataset already processed. Skipping.

example_artifact = ln.Artifact.filter(
    ulabels=ln.ULabel.get(name="scportrait single-cell images")
).first()

example_artifact.view_lineage()

Show code cell output Hide code cell output

ln.finish()

Show code cell output Hide code cell output

→ finished Run('JROGRV3Jcyc6PQfu') after 1m at 2026-07-30 06:14:12 UTC