This commandline Python tool will extract stereoscopic images from .MPO format files (e.g. as created by Fuji W3 camera) and either save them as separate Left /Right images or as an anaglyphic composite (suitable for viewing with coloured 3D glasses
PDFRead is a tool for converting PDF and DJVU documents for reading on eBook devices. It does this by creating an image out of each page, enhancing the image and then collating the images in a device-specific format.
Read single-band NASA PDS (Planetary Data System) Image files in Python. Query header information and extract binary image data in a format suitable for PIL (Python Imaging Library). Works for Pathfinder and Mars Exploration Rover images, maybe others.
PdfRipImage is a program to automatically extractimages from PDF documents and convert them to a format of your choice (such as JPEG or TIFF). It runs on UNIX-like platforms and requires utilities from netpbm and xpdf.