pytorch/vision

Improve error message when number of anchors mismatch

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#1,539 opened on Oct 30, 2019

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enhancementhelp wantedmodule: modelstopic: object detection

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Description

See discussion in https://github.com/pytorch/vision/issues/1308#issuecomment-547964507

We should add checks in https://github.com/pytorch/vision/blob/067704986d92a3dff4ccf4a686080b3d31390402/torchvision/models/detection/rpn.py#L440 so that it's clearer to users what they need to change if they face such an error in the future.

Contributor guide

Research direction
Reproduce the error with mismatched anchors, then add input validation with a clear error message in the specified file.
Tech stack
pythonpytorch
Domain
computer vision
Issue type
Chore
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
PythonPyTorch
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75