2 papers
cs.CV2025
Dynamic PET Image Reconstruction via Non-negative INR Factorization
Chaozhi Zhang, Wenxiang Ding, Roy Y. He +2
The reconstruction of dynamic positron emission tomography (PET) images from noisy projection data is a significant but challenging problem. In this paper, we introduce an unsuperv…
cs.LG2024
Few-shot Multi-Task Learning of Linear Invariant Features with Meta Subspace Pursuit
Chaozhi Zhang, Lin Liu, Xiaoqun Zhang
Data scarcity poses a serious threat to modern machine learning and artificial intelligence, as their practical success typically relies on the availability of big datasets. One ef…