Equirectangular-toolbox
Handy toolbox for equirectangular images
Equirectangular to Gnomonic projection
- A tool to extract a normal field of view of any given center point from any given equirectangular image/frame.
- Highly optimized implementation to compute every pixel projection mapping at once, with bilinear interpolation for smoother image.
- References: mathworld.wolfram.com, wikipedia