Welcome to the Web site dedicated to digital image processing.

It is a source of articles, references, pictures, homework problems, links and
other stuff of interest

to students, instructors and practitioners of Digital Image Processing.

If you have suggestions or contributions for the site, please
let me know.

The textbook
** Digital Image Processing** is available from
Prentice-Hall.

It can be ordered on-line from the publisher and other sources such as Amazon and Barnes and Noble.

Title: Digital Image Processing, 1/e

Author: Castleman, Kenneth

ISBN: 0-13-211467-4

The book has been translated into Japanese and Chinese and is in use in college-level image processing courses around the world.

- The book
*Digital Image Processing*

- Image processing examples

- Homework problems and projects

- Geometric correction - Bank Robbery
- Geometric correction - Fisheye Lens

- MathCAD®
Files (Keyed to Section and Figure numbers in the book)

You can download and save these MathCAD files.

You can open them with your copy of MathCAD 8.0 or later.

MathCAD is available from PTC's MathCAD web site.

- Section 3.2.7: Resampling for Gaussian interpolation (Figures 3-11, 3-12; f_03-12.mcd) [PDF file].
- Section 6.2: Point operations and the histogram (Figure 6-7; f_06-07.mcd) [PDF file].
- Section 11.5.4: 1-D Wiener Deconvolution (Figure 11-18; f_11-18.mcd) [PDF file].
- Section 11.5.4: 2-D Wiener Deconvolution (Figure 11-19; f_11-19.mcd) [PDF file].
- Section 11.5.7: Comparison of Wiener and Matched filters (Figure 11-25; f_11-25.mcd) [PDF file].
- Section 13.5.4: Computing the 2-D Haar transform (haar_01.mcd) [PDF file].
- Section 14.4.2.1: Computing filters for the 2-D steerable pyramid transform (k=1; stpyr_01.mcd) [PDF file].
- Section 14.4.2.1: Computing filters for the 2-D steerable pyramid transform (k=2; stpyr_02.mcd) [PDF file].
- Section 14.4.2.1: Computing filters for the 2-D steerable pyramid transform (k=3; stpyr_03.mcd) [PDF file].
- Section 14.4.2.1: Computing filters for the 2-D steerable pyramid transform (k=4; stpyr_04.mcd) [PDF file].
- Section 16.2.4: One-dimensional signal restoration with the parametric Wiener filter (Eq. 5; pwf_1d.mcd) [PDF file].
- Section 16.2.4: Two-dimensional image restoration with the parametric Wiener filter (Eq. 5; pwf_2d.mcd) [PDF file].
- Section 16.8.3.1: Computing a small kernel by subsampling the transfer function (Figure 16-13; f_16-13.mcd) [PDF file].
- Section 16.8.3.2: Computing the transfer function of a truncated kernel (Figure 16-14; f_16-14.mcd) [PDF file].
- Section 16.8.3.2: Computing the 2-D centered DFT (dft_10.mcd) [PDF file].
- Section 21.3.4: RGB <=> HSI conversion (rgb_hsi.mcd) [PDF file].

- WiT® 4.8.5 Igraph files (They specify sequences of image processing operations in WiT)

- Section 13.5.4 : Computing the 2-D Haar transform [Image]
- Section 14.4.2.1 : Computing the 2-D steerable pyramid transform (k=1)
- Section 14.4.2.1 : Computing the 2-D steerable pyramid transform (k=2)

- Images

- Hubble Space Telescope, before and after repair (JPEG, 43K)
- "Debbie" test image (256x256, 8-bit monochrome GIF, 54K)
- "Lenna" test image (512x512, 8-bit monochrome GIF, 264K)
- "Lenna" test image (512x512, 8-bit color GIF, 195K)
- "Lenna" test image (512x512, 24-bit color TIF, 255K)
- "Mandril" (baboon) test image (512x512, 24-bit color TIF, 199K)

- Links
- Ken Castleman's Personal Page
- Ken Castleman's Internet Humor Page
- Ken Castleman's Motorcycle Page

Copyright© 2002 - 2016, Kenneth R. Castleman.

Revision date: 02 January, 2016.

Wile E. Coyote © Warner Bros, Inc.

Lenna © Playboy Enterprises, Inc.

ken@castleman.org