Research on Feature Extraction of Halftone Image.
Zhiqiang WenYongxiang HuWenqiu ZhuPublished in: J. Softw. (2013)
Keyphrases
- feature extraction
- halftone images
- inverse halftoning
- gray scale
- error diffusion
- data hiding
- black and white
- dimensionality reduction
- preprocessing
- feature vectors
- original images
- face recognition
- image quality
- feature space
- image classification
- frequency domain
- gray images
- image processing
- principal component analysis
- digital images
- wavelet transform
- gray scale images
- color images
- perceptual quality
- computational complexity