Issues

• [BUG] DICOM loader returns raw HU for CT and near-flat images for 12-bit and signed data

  bug
  lightly-ai/lightly-train#987 · Filter by author lorinczszabolcs opened on Sep 25, 2026
  2

• [FEAT] Resolve detection class head reuse by class name instead of class count

  enhancementobject-detection
  lightly-ai/lightly-train#985 · Filter by author liopeer opened on Sep 22, 2026

• [BUG] Object detection class head is not re-initialized when the number of classes changes

  buggood first issuehelp wantedobject-detection
  lightly-ai/lightly-train#982 · Filter by author liopeer opened on Sep 21, 2026
  1

• [Bug] DenseCL updates its key encoder and queues between accumulated microbatches

  lightly-ai/lightly-train#973 · Filter by author gss10282025 opened on Sep 17, 2026
  1

• Verify evals on Papers with Code

  lightly-ai/lightly-train#971 · Filter by author NielsRogge opened on Sep 14, 2026
  1

• [Bug] DINO teacher EMA and center update once per microbatch with gradient accumulation

  bug
  lightly-ai/lightly-train#968 · Filter by author gss10282025 opened on Sep 10, 2026
  1

• [FEAT] Support class weights in the loss for image classification

  enhancementhelp wanted
  lightly-ai/lightly-train#966 · Filter by author liopeer opened on Sep 3, 2026
  1

• [FEAT] Support class weights in the loss to handle imbalanced datasets

  enhancementtracking issue
  lightly-ai/lightly-train#965 · Filter by author liopeer opened on Sep 3, 2026

• [QUESTION] [Multi-label classification] Does an unbalanced class distribution cause problems during training?

  question
  lightly-ai/lightly-train#964 · Filter by author enescicek opened on Sep 2, 2026
  2

• Export a pretrained embedding model (dinov2/dinov3) without a training run

  lightly-ai/lightly-train#963 · Filter by author gabrielfruet opened on Sep 1, 2026
  3

• [QUESTION] Can a multilabel model predict label combinations not seen during training?

  question
  lightly-ai/lightly-train#943 · Filter by author enescicek opened on Aug 12, 2026
  2

• EoMT validation uses much more GPU memory than training

  bugdinov2dinov3help wantedsegmentationtracking issue
  lightly-ai/lightly-train#941 · Filter by author liopeer opened on Aug 12, 2026
  3

• [QUESTION] EoMT validation OOM because masks are resized to original image size

  question
  lightly-ai/lightly-train#936 · Filter by author enescicek opened on Aug 10, 2026
  4

• [FEAT] TensorRT INT8 quantization support + TRT 11.x compatibility

  enhancement
  lightly-ai/lightly-train#935 · Filter by author XAheli opened on Aug 10, 2026
  1

• Finalize EdgeCrafter backbones package implementation

  lightly-ai/lightly-train#928 · Filter by author liopeer opened on Aug 3, 2026
  1

• Add multi-scale feature support to TIMM

  lightly-ai/lightly-train#926 · Filter by author liopeer opened on Aug 3, 2026
  1

• Add multi-scale feature support to all backbone packages

  distillationenhancementgood first issuehelp wantedmodelspretrainingtracking issue
  lightly-ai/lightly-train#925 · Filter by author liopeer opened on Aug 3, 2026
  7

• [DOC] Guide: evaluating pretraining/distillation on a custom detection dataset

  documentation
  lightly-ai/lightly-train#924 · Filter by author saud5150 opened on Aug 3, 2026
  3

• Document C++ Inference Examples

  enhancementgood first issuehelp wantedobject-detection
  Task

  lightly-ai/lightly-train#921 · Filter by author liopeer opened on Jul 30, 2026
  3

  

• Questions about continued pretraining DINOv2 and feature extraction in lightly_train

  question
  lightly-ai/lightly-train#821 · Filter by author wudier483 opened on Jun 28, 2026
  13

• [FEAT] FFCV implementation for dataset

  enhancement
  lightly-ai/lightly-train#771 · Filter by author Alighieri1231 opened on Jun 10, 2026
  1

• [FEAT] <Brief Description>ConvNext for semantic segmentation

  enhancement
  lightly-ai/lightly-train#769 · Filter by author yobar08 opened on Jun 10, 2026
  1

• [QUESTION] <Brief Description> convnext-large-ltdetr-coco train log

  question
  lightly-ai/lightly-train#766 · Filter by author chcchc97 opened on Jun 6, 2026
  4

• [FEAT] DEIMv2 implementation

  enhancement
  lightly-ai/lightly-train#756 · Filter by author tetelias opened on May 28, 2026
  1

• [BUG] Model Training Crashing Windows

  bug
  lightly-ai/lightly-train#703 · Filter by author themetzmeier opened on Apr 15, 2026
  1