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变化检测任务忽略像素训练 #212

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labiao opened this issue Jan 15, 2025 · 5 comments
Open

变化检测任务忽略像素训练 #212

labiao opened this issue Jan 15, 2025 · 5 comments
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@Bobholamovic

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@labiao
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labiao commented Jan 15, 2025

您好，请问下现在是否支持变化检测损失计算中，标签中值为255被忽略？
@github-actions github-actions bot added triage new issue/PR waiting to be dealed and removed triage new issue/PR waiting to be dealed labels Jan 15, 2025
@Bobholamovic
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你好，是支持的哈

@labiao
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labiao commented Jan 15, 2025

好的，那请问如何设置呢，或者需要做什么改动呢？目前来看，从训练文件得知 binarize_labels=True后，大于127的像素都是变化前景。

@Bobholamovic
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实际上，binarize_labels和这个功能是冲突的：前者主要用来处理图中用0表示不变、255表示变化的情况；后者用来处理0表示不变、1表示变化、255表示“忽略”的情况。如果希望使用255表示“忽略”，那么不应该再使用255表示变化，即不应该使用binarize_labels功能～

@labiao
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labiao commented Jan 15, 2025

好的，意思是我将标签中背景设置为0，变化设置为1，忽略像素设置为255，并且binarize_labels设置为False，就能实现这个目的？

@Bobholamovic
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是的，这样做应该是没问题的

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@Bobholamovic @labiao