A feature detector based on compressed sensing and wavelet transform for wideband cognitive radio.
Xiaomin LiuQixun ZhangXiao YanZhiyong FengJianwei LiuYing ZhuJianhua ZhangPublished in: PIMRC (2013)
Keyphrases
- compressed sensing
- spectrum sensing
- feature detectors
- wavelet transform
- cognitive radio
- feature detection
- image reconstruction
- scale invariant
- natural images
- multiscale
- feature points
- multiresolution
- wireless communication
- random projections
- wavelet coefficients
- affine invariant
- subband
- sparse representation
- wavelet domain
- high frequency
- image compression
- scale space
- edge detector
- base station
- communication systems
- feature descriptors
- feature extraction
- signal processing
- wireless networks
- input image
- frequency band
- keypoints
- high quality
- pattern recognition
- image processing
- denoising
- edge detection
- affine transformation
- data sets
- detection algorithm