• Tareq Khan* and Khan Wahid, 2018, “Methods and Apparatus for Image Processing in Wireless Capsule Endoscopy”, Canadian Patent #2,773,795, issued on May 29, 2018.
• Tareq Khan* and Khan Wahid, 2015, “Methods and Apparatus for Image Processing in Wireless Capsule Endoscopy”, USA Patent #9,088,716, issued on July 21, 2015.
• Tareq Khan* and Khan Wahid, 2015, “Apparatus, Methods and Systems for Randomly Accessing Pixel Data from Streaming Image Sensor Data”, USA Patent #8,953,070, issued on February 10, 2015.

Books / Monographs

• Khan Wahid, 2011, Error-Free Implementation of the Discrete Cosine Transform, Lambert Academic Publishing (LAP), 215 pages, ISBN: 978-3-8433-7632-7 (invited, reprint of my PhD thesis by LAP

Book Chapters

• Mohammad Wajih Alam*, Md Hanif Ali Sohag*, Alimul H Khan*, Tanin Sultana* and Khan A. Wahid, 2018, IoT Based Intelligent Capsule Endoscopy System: A Technical Review, Chapter 1, Intelligent Data Analysis for Biomedical Applications: Challenges and Solutions, Edited by D. Jude Hemanth, Deepak Gupta, Valentina Emilia Balas, Elsevier, 20 pages, ISBN: 978-0-12-815553-0.
• Tareq Khan* and Khan Wahid, 2012, Low-Cost VLSI Architecture for Random Block-Based Access of Pixels in Modern Image Sensors, Chapter 4, Embedded Systems: Hardware, Design and Implementation, Edited by Krzysztof (Kris) Iniewski, John Wiley & Sons, Inc., pp. 107-126, ISBN: 978-1118352151 (invited chapter)
• Khan Wahid, 2011, Low Complexity Implementation of Daubechies Wavelets for Medical Imaging Applications, Chapter 8, Discrete Wavelet Transforms - Algorithms and Applications, edited by Professor Hannu Olkkonen, InTech Publisher, pp. 121-134, ISBN 978-953-307-482-5 (invited chapter)