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About: Images: 2D signals

Module by: Robert Nowak. E-mail the author

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Name: Images: 2D signals
ID: m10961
Language: English (en)
Summary: This module introduces image processing, 2D convolution, 2D sampling and 2D FTs.
Subject: Science and Technology
Keywords: 2D convolution, 2D FTs, 2D sampling, image processing
Document Type: -//CNX//DTD CNXML 0.5 plus MathML//EN
License: Creative Commons Attribution License CC-BY 1.0

Authors: Robert Nowak (
Copyright Holders: Robert Nowak (
Maintainers: Liqun Wang (, Robert Nowak (

Latest version: 2.7 (history)
First publication date: Dec 11, 2002 12:00 am +0000
Last revision to module: Jul 19, 2005 8:11 pm +0000


PDF: m10961_2.7.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m10961_2.7.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.

Version History

Version: 2.7 Jul 19, 2005 8:11 pm +0000 by Charlet Reedstrom
update to cnxml-0.5, fix typos, udpate mathml

Version: 2.6 Apr 14, 2003 12:00 am +0000 by Michael Haag
Correct a few notation errors and formatting errors.  Module still needs figures!

Version: 2.5 Mar 5, 2003 12:00 am +0000 by Charlet Reedstrom
added term tag, put inline variables into math, fixed typos, added equation tags

Version: 2.4 Dec 20, 2002 12:00 am +0000 by (Unknown)
change one of the equation.

Version: 2.3 Dec 13, 2002 12:00 am +0000 by (Unknown)
Finish this module.

Version: 2.2 Dec 12, 2002 12:00 am +0000 by (Unknown)
change the abstract.

Version: 2.1 Dec 12, 2002 12:00 am +0000 by (Unknown)
need add figure and change the author name.

Version: 2.0 Dec 11, 2002 12:00 am +0000 by (Unknown)
First create the module.

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American Chemical Society (ACS) Style Guide:

Nowak, R. Images: 2D signals, OpenStax-CNX Web site., Jul 19, 2005.

American Medical Assocation (AMA) Manual of Style:

Nowak R. Images: 2D signals [OpenStax-CNX Web site]. July 19, 2005. Available at:

American Psychological Assocation (APA) Publication Manual:

Nowak, R. (2005, July 19). Images: 2D signals. Retrieved from the OpenStax-CNX Web site:

Chicago Manual of Style (Bibliography):

Nowak, Robert. "Images: 2D signals." OpenStax-CNX. July 19, 2005.

Chicago Manual of Style (Note):

Robert Nowak, "Images: 2D signals," OpenStax-CNX, July 19, 2005,

Chicago Manual of Style (Reference, in Author-Date style):

Nowak, R. 2005. Images: 2D signals. OpenStax-CNX, July 19, 2005.

Modern Languages Association (MLA) Style Manual:

Nowak, Robert. Images: 2D signals. OpenStax-CNX. 19 July 2005 <>.