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在树莓4B上检测人脸，检测精度与距离的关系 #323

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stc89c52 opened this issue Nov 26, 2021 · 0 comments
Open

在树莓4B上检测人脸，检测精度与距离的关系 #323

stc89c52 opened this issue Nov 26, 2021 · 0 comments

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@stc89c52
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于老师您好，我在树莓派4B上使用libfacedetection检测人脸的时候，发现当摄像机与人脸的距离变化时，在某一个特定距离检测出来的置信度变化很大，只要不是这个距离都可以得到很好的检测效果，但是一旦摄像机距离人脸大约35~40cm距离的时候，将检测到的人脸的置信度非常低（demo中的confidence），我使用的是项目自带的模型代码，请问这是模型的问题还是算法的问题？由于我需要被测人脸与摄像头的距离不断变化，请问这个问题应该怎么解决？
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