All Questions
2
questions
2
votes
1
answer
3k
views
Compressing Grayscale 8-bit PNG Sequences with ffmpeg
I typically deal with many high-resolution PNG sequences, many of which are RGB (24-bit) or entirely grayscale (8-bit). Because adjacent frames in the sequences are very similar, it is important that ...
- 1,630
1
vote
1
answer
1k
views
Extract Y-channel of every I-frame from MPEG4 movie as loslessly as possible
I'm working on a video tracking experiment and got stuck with videos that are quite badly compressed with the MPEG4 DivX 5x/6x codec. I'm fairly new to image formats, codecs and compression, but I ...
