NeRF细节整理
Download from Google driver
Use the Wget command:
小文件
1 | wget --no-check-certificate "https://drive.google.com/uc?export=download&id=${Fileid}" -O "${Filename}" |
大文件
1 | wget --load-cookies /tmp/cookies.txt "https://drive.google.com/uc?export=download&confirm=$(wget --quiet --save-cookies /tmp/cookies.txt --keep-session-cookies --no-check-certificate 'https://drive.google.com/uc?export=download&id=${fileid}' -O- | sed -rn 's/.confirm=([0-9A-Za-z_]+)./\1\n/p')&id=${fileid}" -O ${filename} && rm -rf /tmp/cookies.txt |
解压
1 | unzip ${filename} |
NDC ray space derivation
论文中的内参矩阵里的 \(n,f\) :the near and far clipping planes and \(r,t\) are the right and top bounds scene at the near clipping plane. 所以 \(\frac{r}{t}=\) Aspect ratio (屏幕高宽比)