Java / Image processing
Thumbnailator - a thumbnail generation library for Java
A Processing/Java library for high performance GPU-Computing (GLSL). Fluid Simulation + SoftBody Dynamics + Optical Flow + Rendering + Image Processing + Particle Systems + Physics +...
OpenCV for Processing. A creative coding computer vision library based on the official OpenCV Java API
Cognitive Image Analysis for Java
ImagePlot is a free software tool that visualizes collections of images and video of any size. It is implemented as a macro which works with the open source image processing program ImageJ.
MagicImage is a Java library for image processing. It can support many formats of images in Java programs and provide common functions to make adjustments to the image in post. After you finish adjusting your images, you can export them to many formats, too. MagicImage uses Mson library to load the metadata of images, MagicCommand library to integrate ImageMagick tool, Commons Imaging library to import the image files, java-image-scaling library to scale images with high quality, and ICAFE library to import and export image files.