A Chinese character structure preserved denoising method for Chinese tablet calligraphy document images based on KSVD dictionary learning.
Zhenghao ShiBinxin XuXia ZhengMinghua ZhaoPublished in: Multim. Tools Appl. (2017)
Keyphrases
- dictionary learning
- chinese characters
- document images
- sparse representation
- sparse coding
- character recognition
- hand written
- optical character recognition
- denoising
- image denoising
- printed documents
- denoising methods
- image classification
- sparse codes
- machine vision
- noisy images
- linear combination
- dimensionality reduction
- pairwise
- feature extraction
- image processing