### Java Applications

## Chapter 5: Basic Image Manipulation

Convert | Converts an image from one file format into another. (Supported formats are SIF, PBM/PGM/PPM, PNG and JPG.)
Dither | Halftones a greyscale image using 2x2 and 4x4 dither matrices. (Colour images are converted to greyscale automatically.)
ErrorDiffusion | Halftones an image by Floyd-Steinberg error diffusion.
ImageViewer | Displays an image, inspects pixel values and (optionally) presents a magnified view of small image regions.
MeanROI | Displays an image and computes mean grey level for a rectangular region of interest defined interactively by the user.