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- % compute the MSE error given a prediction, a ground truth and a trimap.
- % author Ning Xu
- % date 2018-1-1
- % pred: the predicted alpha matte
- % target: the ground truth alpha matte
- % trimap: the given trimap
- function loss = compute_mse_loss(pred,target,trimap)
- error_map = (single(pred)-single(target))/255;
- % fprintf('size(error_map) is %s\n', mat2str(size(error_map)))
- loss = sum(sum(error_map.^2.*single(trimap==128))) / sum(sum(single(trimap==128)));
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