This is the command opj_jp3d_decompress 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
opj_jp3d_decompress - Works with JPEG2000 files
DESCRIPTION
HELP ----
- the -h option displays this help information on screen
List of parameters for the JPEG 2000 encoder:
Required arguments ----------------------------
-i <compressed file> ( *.jp3d, *.j3d )
Currently accepts J3D-files. The file type is identified based on its suffix.
-o <decompressed file> ( *.pgx, *.bin )
Currently accepts PGX-files and BIN-files. Binary data is written to the file (not
ascii). If a PGX filename is given, there will be as many output files as slices;
an indice starting from 0 will then be appended to the output filename, just before
the "pgx" extension.
-m <characteristics file> ( *.img )
Required only for BIN-files. Ascii data of volume characteristics is written.
Optional ----------------------------
-h
Display the help information
-r <RFx,RFy,RFz>
Set the number of highest resolution levels to be discarded on each dimension. The
volume 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.
-l <number of quality layers to decode>
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.
-O original-file
This option offers the possibility to compute some quality results for the
decompressed volume, like the PSNR value achieved or the global SSIM value. Needs
the original file in order to compare with the new one. NOTE: Only valid when -r
option is 0,0,0 (both original and decompressed volumes have same resolutions)
NOTE: If original file is .BIN file, the volume characteristics file shall be
defined with the -m option. (i.e. -O original-BIN-file -m original-IMG-file)
-BE
Define that the recovered volume data will be saved with big endian byte order. By
default, little endian byte order is used.
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