Improving optical character recognition accuracy using adaptive image restoration.
Peter Allen StubberudJunichi KanaiVenugopal KalluriPublished in: J. Electronic Imaging (1996)
Keyphrases
- image restoration
- recognition accuracy
- adaptive neighborhood
- modified hopfield neural network
- recognition rate
- total variation
- face recognition
- edge preserving
- image processing
- super resolution
- markov random field
- regularization parameter
- restoration algorithm
- low level vision
- image deblurring
- regularization method
- iterative image restoration
- image deconvolution
- point spread function
- blurred images
- wiener filter
- degraded images
- blur identification
- motion blur
- gaussian noise
- mathematical morphology
- blind image restoration
- face detection
- noise reduction
- kernel estimation
- computational complexity
- linear shift invariant