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lightly-ai

5 indexed repositories · View on GitHub

lightly
A python library for self-supervised learning on images.

Python · 3812 stars
lightly-train
All-in-one training for vision models (YOLO, ViTs, RT-DETR, DINOv3): pretraining, fine-tuning, distillation.

Python · 1680 stars
lightly-studio
LightlyStudio - The Unified Data Platform for Multimodal ML

Python · 889 stars
labelformat
A tool for converting computer vision label formats.

Python · 91 stars
NvidiaTLTActiveLearning
Tutorial on active learning with the Nvidia Transfer Learning Toolkit (TLT).

Python · 26 stars

Beginner friendly Everything

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[BUG] SAM3 segmentation masks only appear in grid view after a page reload Open

bug good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 55/100

lightly-ai/lightly-studio#2422 · Opened Sep 18, 2026
[BUG] Bounding boxes not shown when clicking an image in Annotation view Open

bug good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 55/100

lightly-ai/lightly-studio#2416 · 2 comments · Opened Sep 18, 2026
[BUG] Undoing an annotation deletion does not restore the original annotation source Open

bug good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 62/100

lightly-ai/lightly-studio#2415 · Opened Sep 18, 2026
[BUG] Distribution view: `Values` input uses a larger font than other inputs Open

bug good first issue help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

lightly-ai/lightly-studio#2414 · Opened Sep 18, 2026
[Bug] DenseCL updates its key encoder and queues between accumulated microbatches Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

lightly-ai/lightly-train#973 · 1 comment · Opened Sep 17, 2026
Verify evals on Papers with Code Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lightly-ai/lightly-train#971 · 1 comment · 1 reaction · Opened Sep 14, 2026
[Bug] DINO teacher EMA and center update once per microbatch with gradient accumulation Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lightly-ai/lightly-train#968 · 1 comment · Opened Sep 10, 2026
[FEAT] Support class weights in the loss for image classification Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 68/100

lightly-ai/lightly-train#966 · 1 comment · Opened Sep 3, 2026
[FEAT] Support class weights in the loss to handle imbalanced datasets Open

enhancement tracking issue

Difficulty 5/5 Over a week Newbie friendliness 45/100

lightly-ai/lightly-train#965 · Opened Sep 3, 2026
[FEAT] Add instance segmentation to dataset.evaluate() Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lightly-ai/lightly-studio#2171 · 3 comments · Opened Sep 3, 2026
[QUESTION] [Multi-label classification] Does an unbalanced class distribution cause problems during training? Open

question

Difficulty 5/5 Over a week Newbie friendliness 30/100

lightly-ai/lightly-train#964 · 2 comments · Opened Sep 2, 2026
Support gradient checkpointing in ViT ImageNet benchmarks Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 68/100

lightly-ai/lightly#2054 · Opened Sep 1, 2026
ImageNet benchmark runs can't cleanly resume: no last.ckpt + timestamped run dirs Open

enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 68/100

lightly-ai/lightly#2053 · Opened Sep 1, 2026
Export a pretrained embedding model (dinov2/dinov3) without a training run Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lightly-ai/lightly-train#963 · 3 comments · Opened Sep 1, 2026
Tutorial proposal: customize and inspect DINO views with AlbumentationsX Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

lightly-ai/lightly#2047 · 1 comment · Opened Aug 28, 2026
[DOC] Clarify Vision Foundry listing under “LightlyTrain in Research” Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

lightly-ai/lightly-train#957 · 2 comments · Opened Aug 25, 2026
[FEAT] Add dataset.compute_image_quality_metadata() for per-image quality metrics Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 68/100

lightly-ai/lightly-studio#2050 · Opened Aug 22, 2026
[FEAT] Add dataset.validate() to find annotation integrity problems Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 58/100

lightly-ai/lightly-studio#2049 · 1 comment · 1 reaction · Opened Aug 22, 2026
[FEAT] Add native Linux ARM64 support for LightlyStudio and lightly-mundig Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lightly-ai/lightly-studio#2024 · 2 comments · Opened Aug 20, 2026
[FEAT] Expose aggregate evaluation metrics and readable results in the Python API Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

lightly-ai/lightly-studio#2019 · 1 comment · Opened Aug 20, 2026
[QUESTION] Can a multilabel model predict label combinations not seen during training? Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lightly-ai/lightly-train#943 · 2 comments · Opened Aug 12, 2026
EoMT validation uses much more GPU memory than training Open

bug dinov2 dinov3 help wanted segmentation tracking issue

Difficulty 3/5 1-2 days Newbie friendliness 72/100

lightly-ai/lightly-train#941 · 3 comments · Opened Aug 12, 2026
[QUESTION] EoMT validation OOM because masks are resized to original image size Open

question

Difficulty 4/5 3-5 days Newbie friendliness 50/100

lightly-ai/lightly-train#936 · 4 comments · Opened Aug 10, 2026
[FEAT] TensorRT INT8 quantization support + TRT 11.x compatibility Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 38/100

lightly-ai/lightly-train#935 · 1 comment · Opened Aug 10, 2026
[BUG] DINOv3 LT-DETR: -notpretrained backbone aliases broken or missing for most sizes Open

bug dinov3 documentation object-detection

Difficulty 4/5 3-5 days Newbie friendliness 66/100

lightly-ai/lightly-train#933 · 1 comment · Opened Aug 7, 2026
Finalize EdgeCrafter backbones package implementation Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

lightly-ai/lightly-train#928 · 1 comment · Opened Aug 3, 2026
Add multi-scale feature support to Torchvision Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lightly-ai/lightly-train#927 · Opened Aug 3, 2026
Add multi-scale feature support to TIMM Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

lightly-ai/lightly-train#926 · 1 comment · Opened Aug 3, 2026
Add multi-scale feature support to all backbone packages Open

distillation enhancement good first issue help wanted models pretraining tracking issue

Difficulty 4/5 3-5 days Newbie friendliness 66/100

lightly-ai/lightly-train#925 · 6 comments · Opened Aug 3, 2026
[DOC] Guide: evaluating pretraining/distillation on a custom detection dataset Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lightly-ai/lightly-train#924 · 3 comments · Opened Aug 3, 2026
New SSL method: Franca (Nested Matryoshka Clustering) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

lightly-ai/lightly#2010 · 4 comments · Opened Jul 30, 2026
Document C++ Inference Examples Open

enhancement good first issue help wanted object-detection

lightly-ai/lightly-train#921 · 3 comments · 1 assignee · Opened Jul 30, 2026
Migrate unittest.TestCase to pytest-style test classes Open

enhancement good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 75/100

lightly-ai/lightly#1987 · 8 comments · Opened Jul 22, 2026
Proper distributed tests Open

advanced enhancement help wanted

lightly-ai/lightly#1982 · 4 comments · 1 assignee · Opened Jul 14, 2026
Questions about continued pretraining DINOv2 and feature extraction in lightly_train Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lightly-ai/lightly-train#821 · 13 comments · Opened Jun 28, 2026
Another paper connected to SIGreg loss and LeJepa Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

lightly-ai/lightly#1949 · 1 comment · 1 reaction · Opened Jun 19, 2026
[FEAT] Importing segmentation and annotation labels Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lightly-ai/lightly-studio#1398 · 3 comments · Opened Jun 12, 2026
[FEAT] FFCV implementation for dataset Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lightly-ai/lightly-train#771 · 1 comment · Opened Jun 10, 2026
[FEAT] <Brief Description>ConvNext for semantic segmentation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

lightly-ai/lightly-train#769 · 1 comment · Opened Jun 10, 2026
[QUESTION] <Brief Description> convnext-large-ltdetr-coco train log Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lightly-ai/lightly-train#766 · 4 comments · Opened Jun 6, 2026
New paper as an extension of LeJEPA Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

lightly-ai/lightly#1936 · 2 comments · 1 reaction · Opened Jun 4, 2026
World models building blocks, starting with LeWM / Sub-JEPA Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

lightly-ai/lightly#1934 · 2 comments · Opened Jun 1, 2026
[FEAT] DEIMv2 implementation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 45/100

lightly-ai/lightly-train#756 · 1 comment · Opened May 28, 2026
[BUG] macOS: `make test-fast` hangs indefinitely Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lightly-ai/lightly#1917 · 6 comments · 1 reaction · Opened Apr 23, 2026
[BUG] Model Training Crashing Windows Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

lightly-ai/lightly-train#703 · 1 comment · Opened Apr 15, 2026
[FEAT] Add DINOV3 pre-training Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 28/100

lightly-ai/lightly-train#692 · 4 comments · Opened Apr 8, 2026
[FEAT] JEPA framework Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

lightly-ai/lightly-train#685 · 2 comments · Opened Apr 5, 2026
[QUESTION] License information Open

question

Difficulty 1/5 Under an hour Newbie friendliness 25/100

lightly-ai/lightly-train#671 · 1 comment · Opened Mar 26, 2026
[DOC] Can we use a bigger Dinov3 model? Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lightly-ai/lightly-train#637 · 1 comment · Opened Mar 9, 2026
[FEAT] <Brief Description> Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

lightly-ai/lightly-train#634 · 1 comment · Opened Mar 6, 2026

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