Improving compressed image appearance using stochastic resonance and energy replacement
CA 2361413 A1 · Owner: Goertzen, Kenbe D. · Inventors: Goertzen, Kenbe D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for improving the image quality of a compressed image is provided. The improvement relates to the addition of certain error components resulting a less "clean" image, also referred to as the "film look". The system and method perform a subband transforms on one or more images wherein the image , is split into one or more high frequency or low and DC frequency components. Responsive to a component containing DC frequencies the data in that , component is linearized. The linearized data in that component is then dequantified. Preferably, linearizing the data includes adding a function that has a probability and magnitude distribution similar to quantification error of 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 February 4, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 4, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 4, 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
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.