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Old 14th May 2022, 08:37   #21  |  Link
Arx1meD
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Join Date: Feb 2021
Posts: 124
I decided to compare two different methods in the Grayworld filter. If you do not look closely, the difference is almost not noticeable. Or I am doing something wrong again.
Code:
so = DSS2("C:\test\underwater.mkv", fps=30.000)
#==========================================================
v1 = so.ConvertBits(32)
v1 = v1.z_ConvertFormat(pixel_type="RGBPS", colorspace_op="709:709:709:f=>rgb:linear:709:f")
v1 = v1.grayworld(cc=0)
v1 = v1.z_ConvertFormat(pixel_type="YUV420", colorspace_op="rgb:linear:709:f=>709:709:709:l")
#==========================================================
v2 = so.ConvertBits(32)
v2 = v2.z_ConvertFormat(pixel_type="RGBPS", colorspace_op="709:709:709:f=>rgb:linear:709:f")
v2 = v2.grayworld(cc=1)
v2 = v2.z_ConvertFormat(pixel_type="YUV420", colorspace_op="rgb:linear:709:f=>709:709:709:l")
#==========================================================
StackHorizontal(so.AddBorders(0, 0, 0, 20).Subtitle("Source", align=2),
\ v1.AddBorders(0, 0, 0, 20).Subtitle("grayworld(cc=0)", align=2),
\ v2.AddBorders(0, 0, 0, 20).Subtitle("grayworld(cc=1)", align=2))


Test video: underwater
Comparison: underwater_test
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ffmpeg, filter, grayworld

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