Megvii-BaseDetection/YOLOX

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YOLOX is a high-performance anchor-free YOLO, exceeding yolov3~v5 with MegEngine, ONNX, TensorRT, ncnn, and OpenVINO supported. Documentation: https://yolox.readthedocs.io/

Stars: 10.6k
Forks: 2.5k
Open beginner issues: 6
Indexed issues: 729

Dominant language: Python
License: Apache-2.0
Last GitHub push: Jun 8, 2025
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

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729 open issues indexed

tools/train.py silently swallows training exceptions and exits with code 0 (via @logger.catch with no reraise) Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

Megvii-BaseDetection/YOLOX#1909 · Opened Sep 2, 2026
VOCEvaluator's annots.pkl cache is never invalidated — root cause of the recurring "KeyError: <imagename>" reports (#1397, #874, #1490) Open

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

Megvii-BaseDetection/YOLOX#1908 · Opened Sep 2, 2026
`tools/export_onnx.py` breaks on current PyTorch: `torch.onnx` has no attribute `_export` Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

Megvii-BaseDetection/YOLOX#1907 · 1 reaction · Opened Aug 29, 2026
Checkpoint loading breaks on PyTorch 2.6+: `torch.load` defaults to `weights_only=True` Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

Megvii-BaseDetection/YOLOX#1906 · Opened Aug 29, 2026
`os.path.join` drive-letter heuristic silently breaks `_do_python_eval`'s annotation path on Windows Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

Megvii-BaseDetection/YOLOX#1905 · Opened Aug 29, 2026
`VOCDetection._write_voc_results_file` crashes with numpy 2.x: `ValueError: operands could not be broadcast together with shapes (1,5) (0,)` Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

Megvii-BaseDetection/YOLOX#1904 · Opened Aug 29, 2026
VOCDetection crashes with IndexError: list index out of range on Windows Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

Megvii-BaseDetection/YOLOX#1903 · Opened Aug 29, 2026
Quickstart commands fail to run Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

Megvii-BaseDetection/YOLOX#1870 · 1 comment · Opened Jul 18, 2026
Question about licensing of official pretrained weights for commercial iOS app bundling Open

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

Megvii-BaseDetection/YOLOX#1865 · Opened Mar 31, 2026
Incorrect TensorRT inference after ONNX export with dynamic shapes (batch size >= 1) Open

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

Megvii-BaseDetection/YOLOX#1863 · Opened Jan 22, 2026
COCOEvaluator breaks when using custom datasets with "info" and "licenses" fields removed Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Megvii-BaseDetection/YOLOX#1857 · 3 reactions · Opened Oct 3, 2025
Incorrect output when using FP16 input after TensorRT conversion Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1852 · 1 comment · 1 reaction · Opened Aug 11, 2025
求助：使用官方的coco128以及命令进行测试的时候报错KeyError: 'info' Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Megvii-BaseDetection/YOLOX#1851 · 2 comments · Opened Jul 23, 2025
Assertion `input_val >= zero && input_val <= one` failed Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Megvii-BaseDetection/YOLOX#1850 · Opened Jul 23, 2025
YOLOX TensorRT10 C++ Implementation | YOLOX TensorRT10 C++ 实现/구현/実装 Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Megvii-BaseDetection/YOLOX#1848 · 1 reaction · Opened Jun 21, 2025
Ran into this error when custom training - > RuntimeError: CUDA error: device-side assert triggered Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1839 · Opened May 13, 2025
Evaluation on Windows fails due to missing ninja (use standard COCOeval) Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

Megvii-BaseDetection/YOLOX#1837 · Opened May 10, 2025
Train on custom data while using visual studio Open

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

Megvii-BaseDetection/YOLOX#1836 · 1 comment · 1 reaction · Opened Apr 28, 2025
Potential Security Improvements Open

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

Megvii-BaseDetection/YOLOX#1835 · Opened Apr 25, 2025
Dependency Update Tool Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

Megvii-BaseDetection/YOLOX#1834 · Opened Apr 25, 2025
Static Application Security Testing (SAST) Open

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

Megvii-BaseDetection/YOLOX#1833 · Opened Apr 25, 2025
Security Policy Open

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

Megvii-BaseDetection/YOLOX#1832 · Opened Apr 25, 2025
新版本计划发布时间 Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

Megvii-BaseDetection/YOLOX#1831 · Opened Apr 24, 2025
/demo/TensorRT/cpp build error on TensorRT10 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Megvii-BaseDetection/YOLOX#1830 · Opened Apr 15, 2025
Expected FPS for YOLOX-S TensorRT Engine on Jetson Orin Nano (JetPack 6.2)? Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

Megvii-BaseDetection/YOLOX#1829 · Opened Apr 9, 2025
Unable to generate engine file Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1825 · Opened Mar 5, 2025
YOLOX-l ONNX is generating valid prediction coordinates and garbage detection score in directML environment, however in CPU environment both prediction coordinates and detection scores are valid. Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

Megvii-BaseDetection/YOLOX#1824 · Opened Mar 4, 2025
Multi label training without overlap Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1822 · 1 comment · Opened Feb 18, 2025
Running this code base in docker Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1820 · 1 comment · Opened Feb 5, 2025
Releasing onnx files with 0.3.0 Open

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

Megvii-BaseDetection/YOLOX#1819 · Opened Jan 14, 2025
UnicodeDecodeError: 'utf-8' when running setup.py Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1815 · 1 comment · Opened Dec 10, 2024
Pip install doesn't recognize torch Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1814 · 2 comments · 2 reactions · Opened Dec 10, 2024
per class AP/AR in logs consumed by tensorboard Open

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

Megvii-BaseDetection/YOLOX#1812 · Opened Dec 2, 2024
训练一段时间就会报错，请教下是什么原因 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1808 · Opened Nov 13, 2024
训练时报错，完成一个epoch是显示 Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

Megvii-BaseDetection/YOLOX#1803 · 2 comments · Opened Oct 13, 2024
How to evaluate the model performance on different Confidence Threshold? Open

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

Megvii-BaseDetection/YOLOX#1800 · Opened Sep 26, 2024
How are background images processed (where there are no marked-up objects)? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1799 · Opened Sep 17, 2024
About GLOPS and param of anchor free Open

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

Megvii-BaseDetection/YOLOX#1798 · 1 comment · Opened Sep 16, 2024
Input Size Open

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

Megvii-BaseDetection/YOLOX#1797 · Opened Sep 13, 2024
Infer YOLOX by Onnx on cv::dnn Open

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

Megvii-BaseDetection/YOLOX#1794 · Opened Aug 30, 2024
onnx2ncnn model.param YOLOX-CPP-ncnn Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

Megvii-BaseDetection/YOLOX#1793 · 1 reaction · Opened Aug 20, 2024
AP 为0 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1791 · Opened Jul 29, 2024
early stopping issue Open

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

Megvii-BaseDetection/YOLOX#1789 · 1 comment · 1 reaction · Opened Jul 12, 2024
Objectness calculation and balancing factor w.r.t reg_loss and class_loss Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Megvii-BaseDetection/YOLOX#1788 · Opened Jul 1, 2024
OBB Support Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Megvii-BaseDetection/YOLOX#1787 · Opened Jun 24, 2024
Use sigmoid or pow to replace exp Open

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

Megvii-BaseDetection/YOLOX#1784 · Opened Jun 10, 2024
error while installing yolox Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Megvii-BaseDetection/YOLOX#1781 · 10 comments · Opened Jun 7, 2024
YOLOX backbone pre-train weights? 请问有没有主干网络预训练权重 Open

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

Megvii-BaseDetection/YOLOX#1779 · Opened Jun 1, 2024
Is this actively maintained? Open

Difficulty 5/5 Over a week Newbie friendliness 12/100

Megvii-BaseDetection/YOLOX#1778 · 10 comments · 1 reaction · Opened May 29, 2024
Anyone try integrate BiFPN in yolox? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Megvii-BaseDetection/YOLOX#1777 · Opened May 24, 2024

Megvii-BaseDetection/YOLOX

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