Mask R-CNN Evaluation metric

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Ali Alameer
Ali Alameer on 16 Mar 2021
Answered: Asvin Kumar on 19 Mar 2021
Hi,
Is there any available evaluation metric for the masks in Mask R-CNN?
Thanks

Accepted Answer

Asvin Kumar
Asvin Kumar on 19 Mar 2021
Masks represent an area. Simliar to IoU for bounding boxes, there is a metric for masks too called MaskIoU. You could google more about that. Since we've defined an IoU, we can also define True Positives, True Negatives, False Positives and False Negatives. With that, we can compute F1 scores and Confusion Matrices.
MATLAB has a couple of functions for computing metrics on pixel-level classification maps. Have a look to see if they'll be of use to you: segmentationconfusionmatrix and evaluatesemanticsegmentation.

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