HOW TO CALCULATE THE PRECISION AND RECALL AND IoU

Question

mohd akmal masud 2022-6-27

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1748720-how-to-calculate-the-precision-and-recall-and-iou

回答： Muskan 2023-9-6

采纳的回答： Muskan

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Dear all,

I have the groundTruthlabel(g.mat) and prediction (tempSeg1.mat). all attached.

Anyone know how to calculate the precision, recall and IoU for my data?

I tried used this one but error.

[precision,recall] = bboxPrecisionRecall(idxx,tempSeg1)
Error using bboxPrecisionRecall
Expected boundingBoxes to be one of these types:
double, single, uint8, uint16, uint32, uint64, int8, int16, int32, int64
Instead its type was logical.
Error in bboxPrecisionRecall>validateNonTableInput (line 153)
validateattributes(bbox, {'numeric'},...
    
Error in bboxPrecisionRecall (line 110)
validateNonTableInput(boundingBoxes, 'boundingBoxes');

My data is 3D.

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Answer 1

Muskan 2023-9-6

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1748720-how-to-calculate-the-precision-and-recall-and-iou#answer_1302861

Hi Akmal,

I understand that you are trying to calculate the precision, recall and IoU metrics and you are getting errors while doing that.

I also see from the ‘.mat’ files attached that the type of “tempSeg1” is logical while the expected input type should be either of double, single, uint8, uint16, uint32, uint64, int8, int16, int32, int64.

You can refer to the following documentation for a better understanding of the issue:

https://in.mathworks.com/help/vision/ref/bboxprecisionrecall.html

I hope the above information helps resolve your query.

Thanks