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Totoro97 / f2-nerf

Fast neural radiance field training with free camera trajectories
https://totoro97.github.io/projects/f2-nerf/
Apache License 2.0
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what's the physical meaning for TransInfo in PersSampler.h? #56

Open xiepeter opened 1 year ago

xiepeter commented 1 year ago

In PersSampler.h, the struct for TransInfo is for wrapping world points to warped points. But I am still confused the physical meaning of weight and w2xz[N_PROS], thank u for explaining!

image
Totoro97 commented 1 year ago

Hi, N_PROS is two times the number of selected cameras. So in the latest code implementation here we select 6 cameras for each region.

Regarding the meaning of w2xz, it is used to compute the coordinates in image space, as used here.

weight is the PCA matrix for dimension reduction (from dimension N_PROS to dimension 3), as used here.