Method and apparatus for searching for and comparing images
CA 2374094 A1 · Owner: Crill, Rikk · Inventors: Bruce, David; Schehrer, Kevin; Crill, Rikk
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for searching for and comparing images includes allowing a user software application, computer system, etc. to create identify, select, provide, or otherwise produce one or more reference images that the user software application, computer system, etc. wants to search for retrieving , or providing one or more candidate images that are to be compared to the reference images by optical correlation comparing one or more of the , candidate images with one or more of the reference images and indicating the , results of the comparisons and the degree of correlation or matching between one or more of the candidate images and one or more of the reference images.
Read the whole patent
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 May 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 23, 2022.
- 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.