JPEG2000: fmt=ispgx(filename) - File Exchange

Code covered by the BSD License

[im,map,bits]=jp2read(filenam... JP2READ - Reads JPEG 2000 image files from disk. Needs jasper installed
[im,map,bits]=pgxread(filenam... PGXREAD - Reads images as PGX files from disk.
[st,st2,optexist]=parse_param... PARSE_PARAMETER_LIST Read/convert/return argument lists in various formats.
[st,st2]=parse_parameter_list... PARSE_PARAMETER_LIST Read/convert/return argument lists in various formats.
fmt=isjp2(filename)
fmt=ispgx(filename) ISPGX returns 'pgx' if it is an pgx file
jp2imformats(opt,varargin) JP2IMFORMATS - Add and remove jp2/jpc as interface for imread/imwrite/imfinfo
jp2info(filename); JP2INFO Get information about the image in a JP2 or JPC file.
pgxwrite(varargin) PGXWRITE - Writes images as PGX files to disk.
str=jp2write(varargin) JP2WRITE - Writes images as JPEG 2000 files to disk. Needs jasper installed.
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from JPEG2000 by Peter Rydesäter
Reads and writes files in the new JPEG 2000 image format.

fmt=ispgx(filename)
% ISPGX returns 'pgx' if it is an pgx file function fmt=ispgx(filename) fmt=''; if length(filename)<4, return; end ext=lower(filename(end-3:end)); if strcmp(ext,'.pgx'), fmt='pgx'; end return;