Issues

• No utf-8 encoding for image filenames

  cocodataset/cocoapi#694 · Filter by author JRGit4UE opened on Oct 19, 2026

• test-dev2017 evaluation server unavailable

  cocodataset/cocoapi#693 · Filter by author zhanghao5201 opened on Mar 9, 2026

• [COCO Object Detection] test-dev2017 evaluation server unavailable — migration to Codabench?

  cocodataset/cocoapi#691 · Filter by author HB-X opened on Jan 21, 2026
  1

• Panoptic Train/Val annotations

  cocodataset/cocoapi#690 · Filter by author JW-Yuan opened on Sep 9, 2025

• Wrong Image id in annotation after loading

  cocodataset/cocoapi#689 · Filter by author rob-safi opened on Aug 19, 2025

• [BUG] incorrect precision returned by summarize

  cocodataset/cocoapi#683 · Filter by author feimai opened on Mar 26, 2025

• Class Agnostic Recall < Class Aware Recall

  cocodataset/cocoapi#681 · Filter by author emirhanbayar opened on Jan 19, 2025

• update download method to support nested file structure

  cocodataset/cocoapi#680 · Filter by author csbrown opened on Jan 3, 2025

• failed to install cocoapi using git in my conda enviroment

  cocodataset/cocoapi#679 · Filter by author alisha143 opened on Oct 25, 2024

• mAP is wrong if all scores are equal (=not providing a score)

  cocodataset/cocoapi#678 · Filter by author voegtlel opened on Oct 21, 2024

• Dataset not available

  cocodataset/cocoapi#677 · Filter by author nereagallego opened on Oct 15, 2024
  1

• module 'numpy' has no attribute 'float'.

  cocodataset/cocoapi#676 · Filter by author rauffatali opened on Sep 30, 2024

• Is there a way to use PythonAPI loadRes and COCOeval with empty detections?

  cocodataset/cocoapi#675 · Filter by author tomikoskinen opened on Sep 23, 2024

• Error: Attempted to fix with the -windows command for installing and new environment, but error continuously occurs at this stage

  cocodataset/cocoapi#673 · Filter by author AOSEI1001 opened on Aug 7, 2024
  1

• Average Precision and Average Recall metrics reported by COCOeval seem to be incorrect

  cocodataset/cocoapi#672 · Filter by author tinybike opened on Jul 22, 2024
  2

• IS the mAP(mean Average Precision) in COCO Evaluation is "macro average"? Does coco not support "micro average"?

  cocodataset/cocoapi#671 · Filter by author yellowjs0304 opened on Jul 19, 2024

• cc1: fatal error: ../common/maskApi.c: No such file or directory

  cocodataset/cocoapi#670 · Filter by author gotobcn8 opened on May 1, 2024
  1

• Python 3.12 wheels

  cocodataset/cocoapi#668 · Filter by author adamjstewart opened on Mar 28, 2024

• Error in cocoeval.py: Deprecated attribute np.float used, should be replaced with float | line 378

  cocodataset/cocoapi#665 · Filter by author dantas-ds opened on Mar 4, 2024
  2

• Computation of TPs and FPs in COCOeval class

  cocodataset/cocoapi#664 · Filter by author CRISBAKH opened on Jan 8, 2024
  1

• why is different from yolo result

  cocodataset/cocoapi#663 · Filter by author Omunkhuush opened on Dec 26, 2023
  1

• What referenced image size for small, medium and large object?

  cocodataset/cocoapi#662 · Filter by author aidevmin opened on Nov 2, 2023

• clang: error: no such file or directory: 'pycocotools/_mask.c' when running the makefile

  cocodataset/cocoapi#661 · Filter by author antoinecomp opened on Sep 22, 2023
  4

• the area of the masks

  cocodataset/cocoapi#660 · Filter by author RanJason-Code opened on Sep 15, 2023

• Off by 1 error between polygon and masks

  cocodataset/cocoapi#659 · Filter by author matthost opened on Sep 1, 2023
  4