System and method for hierarchal image encoding and decoding
CA 1325064 C · Owner: Torbey, Habib Henri · Inventors: Torbey, Habib Henri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hierarchal encoding of an image is achieved by first deriving a picture element array of binary coded intensity values representing the image and then deriving from the intensity values of the picture element array a sequence of hierarchal codes consisting of one of the intensity values as the first code followed by n-1 cyclic differences between n-1 distinct pairs of intensity values where n is the total number of intensity values of the picture element array. The distinct pairs of intensity values are systematically selected by making alternating horizontal and vertical passes through the picture element array of intensity values. In each horizontal pass consecutive nonoverlapping …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 7, 2010.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.