Object detection in images using a graphics processor
US7643702B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 23, 2004 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Oct 10, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/255
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, systems and apparatus, including computer program products, for processing electronic images. An electronic image is transformed to generate a transformed image according to a first coordinate transformation. The transformed image is filtered, and a second coordinate transformation is applied to the filtered image to align the filtered image with an accumulation array that includes multiple accumulation elements. Each accumulation element is updated based on a respective value in the aligned image. The operations of generating a transformed image according to a first transformation, filtering the transformed image, applying a second transformation and updating each accumulation element are iterated for one or more further first coordinate transformations. These techniques can be implemented to detect features in the image using a graphics processing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.