The Image Processing Tool Kit

And

UTHSCSA ImageTool

With the addition of the Adobe Photoshop processing plug-in interface, users of UTHSCSA ImageTool can now take advantage of the additional analysis and processing functions provided by the Image Processing Toolkit developed by Chris Russ and John Russ. Processing routines such as Fast Fourier Transforms, Watershed Segmentation, Complete Boolean Operations, Binary Morphological Operations and much, much more.

The Image Processing Tool Kit is an extensive collection of image processing and analysis functions which are distributed on a CD-ROM. These additional functions can be installed into the UTHSCSA ImageTool program. The CD-ROM also contains a large collection of images which can be used to demonstrate the different processing functions. In addition an extensive tutorial on basic and advanced image processing techniques is provided with the CD-ROM. The CD-ROM is intended to be a companion to the "Image Processing Handbook", 2nd Edition by John C. Russ, 1994, CRC Press, Boca Raton, FL, ISBN 0-8493-2516-1. A reference which I highly recommend for anyone who is involved in image processing.

The following is a list of functions that are available to ImageTool users with the Image Processing Tool Kit.

• IP-Adjust. The functions modify the acquired image to correct defects such as shading (nonuniform illumination) and non-square pixels. Autolevel adjusts the brightness across the image by using a polynomial fit for background brightness as a function of X, Y position.
  
• IP-Boolean. These functions combine binary images using various logical combinations. These include: AND, Ex-OR, Feature-AND, Mask, NOT, OR.
  
• IP-Color. These functions include a color median filter in red-green-blue space. An Optimal Grey routine produces an image with the monochromatic grey scale along an axis in RGB space that gives the greatest mathematical separation of the color coordinate values of a particular image.
  
• IP-EDM. These functions offer those operations that are based on the Euclidean Distance Map of the image. A Watershed function creates and uses the distance map to separate touching convex features.
  
• IP-FFT. These routines provide a comprehensive facilities for transforming images to and from the Fourier or Frequency domain, filtering it there, and performing the inverse transform.
  
• IP-Math. These routines provide ways to combine two grey scale image together. They include: Add, Darker, Divide, Lighter, Multiply and Subtract.
  
• IP- Measure. These plug-ins provide for feature and global measurements. The global measurements are appropriate for stereological descriptions of microstructure.
  
• IP-Morphology. Morphological operation on black and whiter (binary) images add or remove pixels from features depending on whether the neighbor pixels are black or white. These include: Erosion, Dilation, Close, Open, Prune, Skeletonize and Thicken.
  
• IP-Process. These functions are used to correct image defects, enhance visibility of selected structures, or extract characteristics such as texture or orientation so that thresholding can be used to separate features from background. These include Frei and Chen, Kirsch, Sobel and Variance operators for edge enhancement. Haralick 1 and 2, Texture and Variance are texture filters.
  
• IP-Rank. Rank operators are nonlinear image processing filters that rank the pixels in a neighborhood in brightness order and then keep the brightest, darkest or median value for the central pixel.

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