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Ch12中的camera fy 为什么是负值? #41

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LiamLYJ opened this issue Nov 12, 2019 · 3 comments
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Ch12中的camera fy 为什么是负值? #41

LiamLYJ opened this issue Nov 12, 2019 · 3 comments

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@LiamLYJ
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LiamLYJ commented Nov 12, 2019

请问: Ch12中的camera fy 为什么是负值?

@gaoxiang12
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因为这个数据集图像是Y轴倒过来的,所以fy取负值。

@LiamLYJ
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LiamLYJ commented Nov 15, 2019

image
@gaoxiang12 公式13.15好像推错了

@gaoxiang12
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谢谢指出,该问题已归类至勘误表,请查看:https://github.com/gaoxiang12/slambook2/blob/master/errata.pdf
勘误表会定期提交给出版社,由出版社修改原稿后,在下一次印刷时修正。

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