Issues

• Please do not install the top-level 'tests' module

  open-mmlab/mmsegmentation#3883 · Filter by author yurivict opened on Sep 13, 2026

• mmcv 2.2.0 in cuda130 windows mmseg 可用

  open-mmlab/mmsegmentation#3881 · Filter by author lalala0814 opened on Aug 14, 2026

• OCRNet 在cityscapes数据集上的mIoU偏低

  open-mmlab/mmsegmentation#3877 · Filter by author kuazhangxiaoai opened on Apr 29, 2026
  4

• mask2former预测为0

  open-mmlab/mmsegmentation#3871 · Filter by author Skyyang0919 opened on Apr 1, 2026
  2

• Performance Gap When Training UPerNet with Swin Backbone

  open-mmlab/mmsegmentation#3867 · Filter by author chamely opened on Nov 28, 2025

• ERROR in get_flops.py when computing FLOPs and Params for SAN model due to SideAdapterCLIPHead forward signature mismatch

  open-mmlab/mmsegmentation#3866 · Filter by author Life-if opened on Oct 15, 2025
  2

• Resolve Runtime Error: CUDA error: device side assert triggered. When setting class_weight

  open-mmlab/mmsegmentation#3864 · Filter by author Laser-one opened on Sep 18, 2025
  1

• 可以对解码器的层级输出，进行损失计算吗

  open-mmlab/mmsegmentation#3863 · Filter by author cdzheng2g opened on Sep 10, 2025

• Encountering "NYI" problem when convert mask2former to onnx:

  open-mmlab/mmsegmentation#3860 · Filter by author mike-qd opened on Aug 25, 2025

• 有没有适合人体的基模型

  open-mmlab/mmsegmentation#3857 · Filter by author winner-4 opened on Jul 30, 2025

• I cannot understand the difference between convert onnx by torch.onnx.export and torch2onnx(mmdeploy)

  open-mmlab/mmsegmentation#3856 · Filter by author Matthew-DgNg opened on Jul 24, 2025

• mmseg - INFO - 检查点将由 HardDiskBackend 保存到 /mnt/DATA/tianbiao/code/mmsegmentation/work_dirs/deeplabv3_unet_s5-d16_128x128_40k_chase_db1。

  open-mmlab/mmsegmentation#3855 · Filter by author inotguoya opened on Jul 4, 2025
  1

• Coco-stuff 164k reduce_zero_label

  open-mmlab/mmsegmentation#3854 · Filter by author mahir1010 opened on Jun 1, 2025
  1

• 好用的框架为什么不更新了？

  open-mmlab/mmsegmentation#3852 · Filter by author Mrrfu opened on Apr 21, 2025
  7

• IoUMetric中CPA准确率计算错误

  open-mmlab/mmsegmentation#3851 · Filter by author cs-xiyan opened on Apr 4, 2025
  2

• Dataset Setup & Checkpoint Size Issue in MMSegmentation

  open-mmlab/mmsegmentation#3850 · Filter by author hotelbread opened on Mar 31, 2025
  1

• Training MMDetection model on AWS or Google Cloud

  open-mmlab/mmsegmentation#3849 · Filter by author njan-creative opened on Mar 22, 2025

• Unrecognized layer type CustomConv. How to customize the convolution layer in mmsegmentation?

  open-mmlab/mmsegmentation#3848 · Filter by author 2019xiaoluo opened on Mar 20, 2025

• 还会更新新的模型吗

  open-mmlab/mmsegmentation#3847 · Filter by author Smartzzh opened on Mar 18, 2025
  1

• Converting Mask2Former from PytorchLightning to ONNx. Unexpected key and missing keys

  open-mmlab/mmsegmentation#3845 · Filter by author CAPOJ opened on Mar 5, 2025
  1

• few shot segmentation support? SINE

  open-mmlab/mmsegmentation#3844 · Filter by author xiaoyaod opened on Feb 20, 2025

• Problem of implementation

  open-mmlab/mmsegmentation#3843 · Filter by author w-shuw opened on Feb 17, 2025

• Train model using custom data

  open-mmlab/mmsegmentation#3839 · Filter by author Syed05 opened on Jan 22, 2025
  2

• backbone parameter freezing across models

  open-mmlab/mmsegmentation#3838 · Filter by author AhmadOudeh opened on Jan 22, 2025

• ImportError: cannot import name '_c_internal_utils' from partially initialized module 'matplotlib' (most likely due to a circular import)

  open-mmlab/mmsegmentation#3837 · Filter by author ououch123 opened on Jan 19, 2025