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decomposeProjectionMatrix计算出的角度抖动的厉害 #10

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pch1603 opened this issue Feb 26, 2018 · 2 comments
Open

decomposeProjectionMatrix计算出的角度抖动的厉害 #10

pch1603 opened this issue Feb 26, 2018 · 2 comments

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@pch1603
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pch1603 commented Feb 26, 2018

该函数计算的欧拉角在人脸静止时,数据抖动得厉害,查了下原因似乎是旋转矩阵转换为欧拉角结果不是唯一,暂时没找到解决办法,请问有什么解决方案吗

@lincolnhard
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多加一點2D-3D點的連結對於最後逼近解會較準確,目前只用了14個點

@deepreco
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欧拉角与变换矩阵的转换是唯一的,抖动和误差大是因为用于计算的2d点和3d点不是一一对应,同时数量太少了,2d人脸标记的细小变化导致变换矩阵抖动是很正常的。

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