Method and apparatus for object detection and background removal
CA 2249140 C · Owner: Nec Corporation · Inventors: Sakamoto, Shizuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus is provided for object detection and background removal, and also storage media for storing a program which enables automatic detection of an object minutely and with high precision for obtaining an outline. A, sectional image statistic calculation measure calculates a mean value and standard, deviation of characteristic value of brightness of the sectional image with , the input, image being subjected to division processing into sectional image. A background, sectional image selection measure causes a sectional image whose standard deviation, is the smallest value in the sectional images to be taken as the sectional image with a, high probability of including …
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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
- Filed October 1, 1998 and granted August 27, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 1, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2020.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.