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Expired Canadian patentCanada

Pixelation reconstruction for image resolution and image data transmission

CA 2443969 C · Owner: Uniformed Services University Of The Health Sciences · Inventors: Ho, Vincent; Schmidt, Micah

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Abstract From the Canadian patent

Methods for improving spatial and/or temporal resolution of digital images and for , improving image data transmission by a novel back pixelation technique which , involves , data processing and reconstruction of overlaid images from multiple acquisition or , multiple sampling. In particular the methods of this invention may be used in reducing , the pixel size of a two-dimensional image or the voxel size of a three dimensional image, producing a two- or three-dimensional image from a multiplicity of images acquired from , an object which are capable of overlaying one another by an increment producing and , transmitting a two- or three-dimensional image by multiple acquisitions …

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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 April 9, 2002 and granted August 2, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 9, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 9, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 9, 2002
GrantedAugust 2, 2011
Term endedApril 9, 2022
Patent numberCA 2443969 C
Classification (IPC)G06K9/32 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedApril 9, 2002Patent grantedAug 2, 2011Term endedApril 9, 2022

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.