This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionIntegral image application example.svg
English: Using a summed-area table (2.) of a 6×6 matrix (1.) to sum of a subrectangle of its values; each coloured spot highlights the sum inside the rectangle of that colour.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the licence, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible licence as the original.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation Licence, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the licence is included in the section entitled GNU Free Documentation Licence.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
You may select the licence of your choice.
Captions
Add a one-line explanation of what this file represents
This file contains additional information, probably added from the digital camera or scanner used to create or digitise it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Short title
Integral image application example
Image title
Example of the use of an integral image (2) of an order-6 magic square (1) to find the sum of a subrectangle of values by CMG Lee. Each spot shows the sum of the values inside the rectangle bounded by dashed/dotted lines of the same colour.