Multi-Needle Detection in 3D Ultrasound Images Using Unsupervised Order-Graph Regularized Sparse Dictionary Learning.
Yupei ZhangXiuxiu HeZhen TianJiwoong Jason JeongYang LeiTonghe WangQiulan ZengAshesh B. JaniWalter J. CurranPretesh PatelTian LiuXiaofeng YangPublished in: IEEE Trans. Medical Imaging (2020)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image classification
- object category recognition
- image super resolution
- image data
- small number
- sparsity constraints
- signal recovery
- ground truth
- image features
- input image
- image retrieval
- image registration
- unsupervised learning
- object recognition
- test images
- visual words
- group sparsity
- sparse codes
- dimensionality reduction
- data sets
- supervised learning
- object detection
- motion estimation
- pattern recognition
- feature extraction