Thresholding color images of historical documents with preservation of the visual quality of graphical elements.
Edward RoeCarlos A. B. MelloPublished in: Integr. Comput. Aided Eng. (2018)
Keyphrases
- visual quality
- historical documents
- color images
- contrast enhancement
- bit rate
- image quality
- handwriting recognition
- high frequency
- enhanced image
- reconstructed image
- human visual system
- document images
- image processing
- gray scale
- word recognition
- gray level
- post processing
- peak signal to noise ratio
- visual information
- color information
- video coding
- denoising
- grayscale images
- pattern recognition