File:Wikipedia-sipi-image-db-mandrill-4.2.03-quantize-only-CCC.png

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Summary

Description	English: Example of CCC algorithm using a luminance bitmap but no lookup table; instead just 24-bit to 15-bit color quantization for 2.875 bits per pixel.
Date	2 September 2019
Source	Derived works, modified by my own custom C code, originally from the USC SIPI Image Database
Author	Not specified in SIPI Image Database

Licensing

Described as public domain on the USC SIPI Image Database web site.

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.