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This is the command rgb2ycbcr that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


rgb2ycbcr - convert non-YCbCr TIFF images to a YCbCr TIFF image

SYNOPSIS


rgb2ycbcr [ options ] src1.tif src2.tif ... dst.tif

DESCRIPTION


rgb2ycbcr converts RGB color, greyscale, or bi-level TIFF images to YCbCr images by
transforming and sampling pixel data. If multiple files are specified on the command line
each source file is converted to a separate directory in the destination file.

By default, chrominance samples are created by sampling 2 by 2 blocks of luminance values;
this can be changed with the -h and -v options. Output data are compressed with the
PackBits compression scheme, by default; an alternate scheme can be selected with the -c
option. By default, output data are compressed in strips with the number of rows in each
strip selected so that the size of a strip is never more than 8 kilobytes; the -r option
can be used to explicitly set the number of rows per strip.

OPTIONS


-c Specify a compression scheme to use when writing image data: -c none for no
compression, -c packbits for the PackBits compression algorithm (the default), -c
jpeg for the JPEG compression algorithm, -c zip for the deflate compression
algorithm, and -c lzw for Lempel-Ziv & Welch.

-h Set the horizontal sampling dimension to one of: 1, 2 (default), or 4.

-r Write data with a specified number of rows per strip; by default the number of
rows/strip is selected so that each strip is approximately 8 kilobytes.

-v Set the vertical sampling dimension to one of: 1, 2 (default), or 4.

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