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Man Pages


Manual Reference Pages  -  YUVYCSNOISE (1)

NAME

yuvycsnoise - Noise filter specialized for NTSC Y/C separation noise

CONTENTS

Synopsis
Description
Options
Author
See Also

SYNOPSIS

yuvycsnoise [-t] [-m t|b|i|c] [-S MIN] [-T ERRT[,MAXT]] [-B ERRB[,MAXB]] [-I ERRI[,MAXI]] [-C ERRC[,MAXC]]

DESCRIPTION

If video capture hardware has only a poor Y/C separator, at vertical stripe (especially red/blue), noises appear which seem checker flag and bright/dark invert per 1 frame. yuvycsnoise reduces noises of this type.

OPTIONS

yuvycsnoise accepts the following options:
-t test. Instead of noise reduction, noises will be marked as black pixel.
-m METHOD (default: tbic).
Select method. METHOD is string in which each character mean method.
t: ’triframe’ method of luma noise reduction.
b: ’biframe’ method of luma noise reduction.
i: ’infield’ method of luma noise reduction.
c: chroma noise reduction. use 3 frames as ’triframe’.
-S MIN (default: 4).
Set minimum threshold of luma/chroma difference which is treated as noise.
-T ERRT[,MAXT]
  (default: 32,255).
-B ERRB[,MAXB]
  (default: 32,255).
-I ERRI[,MAXI]
  (default: 16,255).
-C ERRC[,MAXC]
  (default: 12,255).
Set threshold of luma/chroma difference of each methods. ERRx is maximum error of luma/chroma of pixels around target pixel, which should be same if target contain noise. MAXx is maximum threshold of luma/chroma difference of target pixel from luma/chroma after noise reduced.

AUTHOR

yuvycsnoise was written by Kawamata/Hitoshi.
If you have questions, remarks, problems or you just want to contact the developers, the main mailing list for the MJPEG-tools is:
mjpeg-users@lists.sourceforge.net

For more info, see our website at
  http://mjpeg.sourceforge.net/

SEE ALSO

mjpegtools(1)
Search for    or go to Top of page |  Section 1 |  Main Index


MJPEG Tools Team YUVYCSNOISE (1) 5 February 2002

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