Image segmentation method and device
CA 2532052 C · Owner: Chupeau, Bertrand · Inventors: Oisel, Lionel; Le Clerc, Francois; Chupeau, Bertrand
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device and a method for segmenting objects in an image. The method comprises steps for: - the approximate definition of a contour external to the object to be segmented said contour including a plurality of so-called control points (V i) - the determination of a vicinity of candidate points (V ij) in the vicinity of each control point (V i) the determination of an energy associated with each candidate point (V ij) in the vicinity of each control point - the convergence of each of the control points (V i) towards the candidate point (Vi,j) which minimizes said energy, so providing an estimated contour of the object to be segmented. According to the invention the …
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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 January 5, 2006 and granted June 2, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 5, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.