Image capture device, and defective pixel detection and correction method for image sensor array
US9549133B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 4, 2015 |
| Grant date | Jan 17, 2017 |
| Priority date | — |
| Expiry date | May 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/683
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image capture device with a reduced number of line buffers. Based on an nth line of image data provided from an image sensor array and buffered data in the line buffers, a logic circuit determines defective candidates in an nth line of image data. When the (n+p)th line of image data is provided from the image sensor array, the logic circuit reexamines the defective candidates in the nth line of image data, for defective-pixel compensation, based on the (n+p)th line of image data and the buffered data in the plurality of line buffers. The buffered data in the line buffers contains the (n−p)th to (n−1)th lines of image data while the nth line of image data is provided from the image sensor array, and contains the nth to (n+p−1)th lines of image data while the (n+p)th line of image data is provided from the image sensor array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.