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关于相机传感器不影响绝对深度估计 #168

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zhjw0927 opened this issue Sep 30, 2024 · 1 comment

zhjw0927 commented Sep 30, 2024

请问下，论文中关于相机传感器不影响绝对深度估计的观点。有一些疑问

关于像素尺寸对深度的讨论，在给定焦距情况下，在同一深度下，对同一个物体，两个相机成像的image size相同。但是其pixel num不同。分辨率是网络计算处理的基本单位吧。在给定分辨率不同的物体，网络关于其深度的学习是确定性的吗？

Collaborator

JUGGHM commented Oct 12, 2024

“相同image_size，相同焦距的情况下”，我认为你说的是实际物理量而非pixel单位。此时像素单位的焦距并不相同。
这种情况下，图像会先被resize到相同大小，这时焦距会成比例变换，resize后的图像像素焦距相同

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