An image reconstruction algorithm for electrical impedance tomography using Symkaczmarz based on structured sparse representation.
Qi WangJing HeJianming WangXiuyan LiXiaojie DuanPengcheng ZhangXiaojing ChenYukuan SunPublished in: Trans. Inst. Meas. Control (2019)
Keyphrases
- sparse representation
- image classification
- image representation
- test images
- reconstruction error
- image data
- image features
- dictionary learning
- sparse coding
- basis vectors
- face recognition
- piecewise smooth
- input image
- image segmentation
- sparse reconstruction
- single image
- image retrieval
- image reconstruction
- multiscale
- sparse coefficients
- compressed sensing
- high resolution
- compressive sensing
- high dimensional data
- orthogonal matching pursuit
- signal processing
- feature space
- visual words
- dimensionality reduction
- joint optimization
- similarity measure
- regularized least squares
- image processing
- image regions