Improving Color Text Sharpness in Images with Reduced Chromatic Bandwidth.
Scott J. DalyJack Van OosterhoutWilliam KressPublished in: PICS (1998)
Keyphrases
- color images
- text extraction
- image database
- image analysis
- complex background
- input image
- color correction
- three dimensional
- ccd camera
- visually pleasing
- image regions
- color information
- image data
- image registration
- image features
- image classification
- image collections
- color histogram
- pixel intensities
- web images
- text information
- test images
- image retrieval
- text detection
- color components
- natural scene images
- object recognition
- visual appearance
- color features
- textual information
- multi band
- gradient information
- foreground and background
- semantic content
- digital imaging
- multispectral images
- color quantization
- pixel values
- lighting conditions
- edge detection
- human visual sensitivity