Accelerating Convolutional Sparse Coding for Curvilinear Structures Segmentation by Refining SCIRD-TS Filter Banks.
Roberto AnnunziataEmanuele TruccoPublished in: IEEE Trans. Medical Imaging (2016)
Keyphrases
- sparse coding
- filter bank
- curvilinear structures
- multiscale
- natural images
- reconstruction error
- image representation
- sparse representation
- linear combination
- image classification
- subband
- multiresolution
- frequency domain
- generative model
- unsupervised learning
- image patches
- image segmentation
- low pass
- scale space
- signal processing
- feature space
- edge detection
- level set
- prior knowledge
- image gradient
- denoising
- visual words
- natural scenes
- segmentation algorithm
- image denoising
- segmentation method
- energy function
- high dimensional
- region growing
- bag of words
- wavelet transform
- computer vision