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facebookresearch / pifuhd

High-Resolution 3D Human Digitization from A Single Image.
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how to calculate metrics for BUFF with 2D images. #73

Closed sunjc0306 closed 3 years ago

sunjc0306 commented 3 years ago

I have known BUFF is only used for evaluation. However, as far as I know, this dataset has only 3D ply files and no 2D images. Without 2D images, the reconstructed mesh files should not be able to get via the code, which is also unable to compare with the original ply files.

shunsukesaito commented 3 years ago

We synthetically render the BUFF data with the same camera configuration as RenderPeople. The rendering code is available in the PIFu repository. https://github.com/shunsukesaito/PIFu

sunjc0306 commented 3 years ago

yes, I have achieved the rendering code(render_data.py) using the renderpeople dataset. However,it seems that diffuse mapping is required for rendering in render_data.py. There is no diffuse mapping in the BUFF dataset. Where can I generate diffuse mappings. Is it OpenGL or other ways?

shunsukesaito commented 3 years ago

BUFF texture already contains some shading thus no additional diffuse shading is required. You can render the per-vertex color as it is.