Keyphrases
- post processing
- single image
- image data
- input image
- image content
- moment invariants
- image segmentation
- multiscale
- image classification
- optical character recognition
- image analysis
- edge detection
- image features
- high resolution
- scanned documents
- template matching
- image representation
- printed documents
- region of interest
- image regions
- invariant features
- image pixels
- affine invariant
- pixel values
- hough transform
- image retrieval
- preprocessing
- character recognition
- test images
- computer vision
- quasi invariant