Hierarchical scheme for blur detection in digital image using wavelet transform
US7257273B2 · kind B2 · utility
29Cited by
8References
27Claims
0Family size
Inventors
Key dates
| Filing date | Aug 22, 2003 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Nov 6, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20064
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatuses are provided for detecting blur within digital images using wavelet transform and/or Cepstrum analysis blur detection techniques that are able to detect motion blur and/or out-of-focus blur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.