Skew angle estimation of printed document using linear regression, wavelet transform and anisotropic diffusion.
Abdenour SehadLamia MezaiMohamed Tayeb LaskriMohamed CherietPublished in: ISSPA (2007)
Keyphrases
- linear regression
- anisotropic diffusion
- wavelet transform
- least squares
- printed documents
- edge detection
- partial differential equations
- noise removal
- edge preserving
- multiresolution
- multiscale
- diffusion process
- diffusion equation
- regression methods
- wavelet coefficients
- subband
- document images
- diffusion tensor
- image compression
- document image analysis
- structure tensor
- wavelet domain
- character recognition
- nonlinear regression
- density estimation
- feature extraction
- translation invariant
- support vector machine
- digital libraries
- document processing
- object recognition