Wavelet transform for skew angle detection in printed Persian documents.
Samira Nasrollahi DizajyekanAfshin EbrahimiPublished in: ICDIP (2011)
Keyphrases
- wavelet transform
- music scores
- digital documents
- multiresolution
- information retrieval
- detection algorithm
- image coding
- information retrieval systems
- document collections
- text retrieval
- multiscale
- image compression
- detection method
- wavelet coefficients
- text documents
- matched filter
- text lines
- web documents
- xml documents
- object detection
- wavelet analysis
- ad hoc retrieval
- multiresolution analysis
- vector space model
- document retrieval
- false positives
- mathematical expressions
- feature extraction
- word sense disambiguation
- document analysis
- optical character recognition
- complex background
- low frequency
- information extraction
- natural language processing