深度学习图像分割标签onehot

# # 标签 onehot
        # lab_c = np.zeros(shape=[self.num_classes]+list(label_array.shape),dtype="float32")
        # for i in range(self.num_classes):
        #     tmp = np.zeros_like(label_array)
        #     tmp[label_array==i] = 1
        #     lab_c[i,...] = tmp
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