matlab求 mIOU
时间: 2023-11-02 20:56:06 浏览: 63
您好!对于语义分割的 mIOU(mean Intersection over Union),您可以使用 MATLAB 实现。下面是一个示例代码,演示了如何计算 mIOU:
```matlab
function mIOU = calculate_mIOU(predicted, groundTruth)
numClasses = max(predicted(:));
intersection = zeros(1, numClasses);
union = zeros(1, numClasses);
for i = 1:numClasses
classMaskGt = (groundTruth == i);
classMaskPred = (predicted == i);
intersection(i) = sum(classMaskGt(:) & classMaskPred(:));
union(i) = sum(classMaskGt(:) | classMaskPred(:));
end
IOU = intersection ./ union;
mIOU = mean(IOU);
end
```
这个函数接受两个输入参数:`predicted` 和 `groundTruth`,分别代表预测的语义分割图像和真实的语义分割