Hierarchical scheme for blur detection in digital image...

Details Hierarchical scheme for blur detection in digital image... Hierarchical scheme for blur detection in digital image...

2007-08-14

2007-08-14

Patel, Kanjibhai (Department: 2624)

Image analysis

Image transformation or preprocessing

Measuring image properties

C382S199000, C382S240000, C375S240190

Reexamination Certificate

active

10646387

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.

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S. Obata et al. (Image Restoration using Plural Blurred Images by means of Multi-resolution Analysis, pp. 259-363, IEEE-1997).
M. Michael Chang. et al. (Blur Identification Using the Bispectrum, pp. 2323-2325, IEEE 1991).

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