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j2k_to_image(1) 		     converts jpeg2000 files			  j2k_to_image(1)

NAME
       j2k_to_image  -	This  program  reads in a jpeg2000 image and converts it to another image
       type. It is part of the OpenJPEG library.

       Valid input image extensions are .j2k, .jp2, .j2c, .jpt

       Valid output image extensions are .bmp, .pgm, .pgx, .png, .pnm, .ppm, .raw, .tga,  .tif	.
       For PNG resp. TIF it needs libpng resp. libtiff .

SYNOPSIS
       j2k_to_image -i infile.j2k -o outfile.png

       j2k_to_image -ImgDir images/ -OutFor bmp

       j2k_to_image -h Print help message and exit

       See JPWL OPTIONS for special options

OPTIONS
       -i name
	      (jpeg2000 input file name)

       -l n   n is the maximum number of quality layers to decode. See LAYERS below)

       -o name
	      (output file name with extension)

       -r n   (n is the highest resolution level to be discarded. See REDUCTION below)

       -x name
	      (use name as index file and fill it)

       -ImgDir directory_name
	      (directory containing input files)

       -OutFor ext
	      (extension for output files)

JPWL OPTIONS
       Options usable only if the library has been compiled with -DUSE_JPWL

       -W c[=Nc] (Nc is the number of expected components in the codestream; default:3)

       -W t[=Nt] (Nt is the maximum number of tiles in the codestream; default:8192)

       -W c[=Nc], t[=Nt] (same as above)

REDUCTION
       Set  the  number  of  highest  resolution levels to be discarded.  The image resolution is
       effectively divided by 2 to the power of the number of discarded levels. The reduce factor
       is limited by the smallest total number of decomposition levels among tiles.

TILES
       Set  the maximum number of quality layers to decode. If there are less quality layers than
       the specified number, all the quality layers are decoded.

AUTHORS
       Copyright  (c)  2002-2007,  Communications  and	Remote	Sensing  Laboratory,   Universite
       catholique de Louvain (UCL), Belgium
       Copyright (c) 2002-2007, Professor Benoit Macq
       Copyright (c) 2001-2003, David Janssens
       Copyright (c) 2002-2003, Yannick Verschueren
       Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
       Copyright (c) 2005, Herve Drolon, FreeImage Team
       Copyright (c) 2006-2007, Parvatha Elangovan

SEE ALSO
       image_to_j2k(1) j2k_dump(1)

j2k_to_image				  Version 1.4.0 			  j2k_to_image(1)
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