Unsupervised phase detection for respiratory sounds using improved scale-space features.
Feng JinFarook SattarPublished in: ISSPIT (2016)
Keyphrases
- scale space
- feature detection
- image features
- multiscale
- scale spaces
- scale space analysis
- rotationally invariant
- gaussian scale space
- image structure
- keypoints
- multiple scales
- automatic scale selection
- diffusion equation
- critical points
- detection method
- deep structure
- image analysis
- feature vectors
- scale selection
- scale invariant
- singular points
- phase congruency
- object detection
- low level
- linear scale space
- methods in computer vision
- gaussian kernel
- scale parameter
- feature extraction
- gaussian derivatives
- planar curves
- detection algorithm
- object recognition
- nonlinear diffusion
- zero crossing
- primal sketch
- feature set
- multiresolution
- computer vision