Graymap

pgmhisteq is a project that can equalize the contrast in a portable graymap. This program implements the "HistEq" function from the xv color editor for pgm files. For most pictures, it enhances the contrast noticeably. The effect is that after processing, for each x between 0 and 100, x percent... Platforms: *nix

The PNM Toolbox is a collection of MATLAB programs for reading and writing image files. The supported formats are PPM (portable pixelmap), PGM (portable graymap), PBM (portable bitmap), RAS (Sun raster file), SGI/RGBA/RGB/BW (Silicon Graphics image files) and XBM (X11 bitmap) image files. Platforms: Matlab

Able Batch Converter does exactly what its title suggests, allowing you to easily convert multiple graphic files at the click of a button. More than that, you can also edit images directly in Able Batch Converter, to produce a variety of effects (rotate, flip, resize, mirror, auto crop,... Platforms: Windows

Sharp IMG Viewer 2008 is a graphical user interface application developed for the .NET Framework 2.0. Sharp IMG Viewer 2008 is a resource explorer which lets to open images, extract from various sources, save images in other formats, view image properties including metadata, perform... Platforms: Windows

Image::PBMlib Perl module contains helper functions for PBM/PGM/PPM image file formats. SYNOPSIS use Image::PBMlib; ... open(PPM, "< image.ppm")... my $ref = readppmheader(*PPM); my @pixels = readpixels_raw(*PPM, $$ref{type}, ($$ref{width} * $$ref{height}) ); my @pixels =... Platforms: *nix

Able Batch Image Converter does exactly what its title suggests, allowing you to easily convert multiple graphic files at the click of a button. More than that, you can also edit images directly in Able Batch Image Converter, to produce a variety of effects (rotate, flip, resize, mirror, auto... Platforms: Windows, Windows 8, Windows 7, Windows Server