Day night classification of images using thresholding on HSV histogram
US9530056B2 · kind B2 · utility
0Cited by
3References
21Claims
0Family size
Inventors
Key dates
| Filing date | Jun 15, 2012 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Dec 1, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method (300) is provided for classifying an image as being one of a daytime image or a nighttime image. The method includes: obtaining an image to be analyzed (302); determining a first parameter (nH) representative of a first amount of pixels in the image that are sufficiently red or yellow (308); determining a second parameter (nV) representative of a second amount of pixels in the image that are sufficiently light (308); and classifying an image as one of a daytime image or a nighttime image based upon the first and second parameters (310, 312, 314).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.