Phases measure of image sharpness based on quaternion wavelet.
Yipeng LiuJing JinQiang WangYi ShenPublished in: Pattern Recognit. Lett. (2013)
Keyphrases
- multiscale
- image data
- image features
- image analysis
- input image
- image quality assessment
- information content
- single image
- image classification
- image content
- image retrieval
- similarity measure
- visual perception
- wavelet transform
- template matching
- wavelet decomposition
- image representation
- image segmentation
- pixel values
- image sequences
- segmentation method
- natural images
- denoising
- correlation coefficient
- feature points
- laplacian pyramid
- transformed image
- wavelet function
- uniform quantization