Using the 2D discrete Fourier transform to fix rainbows in manga on color eInk(youtube.com)

2 pointsby seam_carveril y a 5 mois2 comments

Using the 2D discrete Fourier transform to fix rainbows in manga on color eInk

https://www.youtube.com/watch?v=Dw2HTJCGMhw

2 comments

An interesting application of the 2D DFT to manga on color eink Kaleido 3 with math theory explained! Kobo Colour images.

Most of the slides are based on the DFT chapter in Digital Image Processing: A Practical Approach by Nick Efford. I learned DFT to understand this algorithm.

Klaster_1il y a 5 mois

I love how blur and rainbow fix are basically different masks over FFT space. Such a miniscule difference but such a large impact.