21 citations · 42 across the 33 of their papers we have counts for
Showing 2017Show all
2 papers · 1 filter
cs.CV2017★ 3 cited
VIDOSAT: High-dimensional Sparsifying Transform Learning for Online Video Denoising
Bihan Wen, Saiprasad Ravishankar, Yoram Bresler
Techniques exploiting the sparsity of images in a transform domain have been effective for various applications in image and video processing. Transform learning methods involve ch…
stat.ML2017★ 21 cited
Low Dose CT Image Reconstruction With Learned Sparsifying Transform
Xuehang Zheng, Zening Lu, Saiprasad Ravishankar +2
A major challenge in computed tomography (CT) is to reduce X-ray dose to a low or even ultra-low level while maintaining the high quality of reconstructed images. We propose a new…