immatch: Image matching and combining package

• geomap: Compute geometric transforms using matched coordinate lists
• geotran: Transform 1-D or 2-D images using various mapping transforms
• geoxytran: Transform coordinate lists using the geomap transforms
• gregister: Register 1-D or 2-D images using the geomap transforms
• imalign: Align and register 2-D images using a reference pixel list
• imcentroid: Compute and print relative shifts for a list of 2-D images
• imcombine: Combine images pixel-by-pixel using various algorithms
• linmatch: Match the linear intensity scales of 1-D or 2-D images
• psfmatch: Match the point-spread functions of 1-D or 2-D images
• skymap: Compute geometric transforms using the image celestial wcs
• skyxymatch: Generate matched pixel lists using the image celestial wcs
• sregister: Register 1-D or 2-D images using the image celestial wcs
• wcscopy: Copy the wcs from one image to another
• wcsmap: Compute geometric transforms using the image wcs
• wcsxymatch: Generate matched pixel lists using the image wcs
• wregister: Register 1-D or 2-D images using the image wcs
• xregister: Register 1-D or 2-D images using x-correlation techniques
• xyxymatch: Match pixel coordinate lists
• pmmatch: Pixel mask matching