Re: [FFmpeg-user] xmedian questions

2021-01-01 Thread Paul B Mahol
On Fri, Jan 1, 2021 at 4:08 AM Mark Filipak (ffmpeg) wrote: > On 12/31/2020 09:50 PM, list+ffmpeg-u...@jdlh.com wrote: > > On 2020-12-31 17:25, Mark Filipak (ffmpeg) wrote: > >> 1, Median? Really? (Or maybe really average?) > >> > >> For inputs = 239+15+15+15: > >> median = (239+15)/2 = 127 > >>

Re: [FFmpeg-user] xmedian questions

2020-12-31 Thread Mark Filipak (ffmpeg)
On 12/31/2020 09:50 PM, list+ffmpeg-u...@jdlh.com wrote: On 2020-12-31 17:25, Mark Filipak (ffmpeg) wrote: 1, Median? Really? (Or maybe really average?) For inputs = 239+15+15+15: median = (239+15)/2 = 127 average = (239+15+15+15)/4 = 71 For inputs = 239+239+239+15: median = (239+15)/2 = 127 (a

Re: [FFmpeg-user] xmedian questions

2020-12-31 Thread list+ffmpeg-user
On 2020-12-31 17:25, Mark Filipak (ffmpeg) wrote: 1, Median? Really? (Or maybe really average?) For inputs = 239+15+15+15: median = (239+15)/2 = 127 average = (239+15+15+15)/4 = 71 For inputs = 239+239+239+15: median = (239+15)/2 = 127 (again) average = (239+239+239+15)/4 = 183 It jumped out a

[FFmpeg-user] xmedian questions

2020-12-31 Thread Mark Filipak (ffmpeg)
1, Median? Really? (Or maybe really average?) For inputs = 239+15+15+15: median = (239+15)/2 = 127 average = (239+15+15+15)/4 = 71 For inputs = 239+239+239+15: median = (239+15)/2 = 127 (again) average = (239+239+239+15)/4 = 183 Or is the median windowed? For inputs = 239+15+15+15: windowed medi