Unsupervised Decomposition of Color Document Images by Projecting Colors to a Spherical Surface.
Yuan HeJun SunSatoshi NaoiYusaku FujiiKatsuhito FujimotoPublished in: Document Analysis Systems (2008)
Keyphrases
- document images
- color images
- color space
- color information
- color matching
- color quantization
- color histogram
- scanned document images
- document image analysis
- color difference
- color distribution
- dominant color
- scanned documents
- color features
- optical character recognition
- document analysis
- gray scale
- document image understanding
- chromaticity space
- image processing
- page segmentation
- language identification
- d objects
- document image retrieval
- text regions
- document processing
- printed documents
- page layout
- indian languages
- line extraction
- scanned images
- printed text
- gray images
- range data