Activation Points Extraction and Noise Removal of fMRI Signal Using Novel Local Cosine Technique.
Debebe AsefaDinesh P. MitalSyed HaqueShankar SrinivasanPublished in: BIOCOMP (2007)
Keyphrases
- noise removal
- signal dependent
- noise cancellation
- denoising
- activation detection
- anisotropic diffusion
- image enhancement
- activation patterns
- noise reduction
- functional mri
- edge detection
- fourth order
- gaussian noise
- removing noise
- diffusion filtering
- signal processing
- high quality
- bilateral filter
- human brain
- image details
- impulsive noise removal
- edge preserving
- edge preservation
- salt and pepper noise
- partial differential equations
- frequency domain
- information processing
- pattern recognition
- image processing
- shift invariant
- impulse noise
- feature vectors