Method and terminal for generating thumbnail of image
US9727972B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Sep 8, 2014 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Apr 11, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2210/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for generating a thumbnail of an image, includes: filtering an image to obtain an edge intensity value for each pixel point in the image; sliding a preset rectangular box on the image to perform a search and, at each searched position, calculating a distribution value of information amount in the rectangular box according to the edge intensity values of the pixel points therein; and selecting the rectangular box with the largest distribution value of information amount, and intercepting content of the image corresponding to the selected rectangular box to obtain a thumbnail of the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.