Method for composing an image of a real object with a virtual scene
CA 2230080 A1 · Owner: Yakir, Ran · Inventors: Tzidon, Dekel; Tzidon, Aviv,; Yakir, Ran
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved video polygon method for combining an image of an object with a virtual scene to produce a composite image with respect to a virtual eyepoint. Two ways are provided to retain realism in the composite image. The motion of the real camera that acquires the image is coordinated with the motion of the virtual eyepoint within the virtual scene. For example, to preserve resolution as the virtual eyepoint approaches the transparent polygon on which the image is textured the real camera is, moved closer to the object. To minimize the flat appearance of the textured transparent polygon as the virtual eyepoint moves azimuthally the transparent, polygon is rotated in tandem with 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 March 26, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2020.
- 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.