A low-noise mixer with an image-reject notch filter for 2.4 GHz applications.
Nam-Jin OhPublished in: Microelectron. J. (2008)
Keyphrases
- image noise
- image data
- background noise
- image details
- additive noise
- median filtering
- fine details
- image structure
- multiscale
- morphological filters
- noise removal
- low frequency
- nonlinear filters
- single image
- wiener filter
- bandpass
- median filter
- image features
- impulsive noise
- random noise
- geometric distortions
- image edges
- noise variance
- salt pepper
- high resolution
- input image
- edge detection
- signal noise ratio
- noise free
- order statistics
- image filtering
- smoothing filter
- edge map
- high pass
- noise reduction
- image retrieval
- denoising algorithm
- high frequency
- noise level
- multiplicative noise
- denoising
- removing noise
- denoising methods
- image segmentation
- noisy images
- multiresolution
- linear filters
- contrast enhancement
- filter responses
- filtering method
- speckle noise