3D Vessel Reconstruction from Sparse-View Dynamic DSA Images via Vessel Probability Guided Attenuation Learning

no code implementations • 17 May 2024 • Zhentao Liu, Huangxuan Zhao, Wenhui Qin, Zhenghong Zhou, Xinggang Wang, Wenping Wang, Xiaochun Lai, Chuansheng Zheng, Dinggang Shen, Zhiming Cui

With the help of contrast agent, time-resolved 2D DSA images deliver comprehensive insights into blood flow information and can be utilized to reconstruct 3D vessel structures.

TOGS: Gaussian Splatting with Temporal Opacity Offset for Real-Time 4D DSA Rendering

no code implementations • 28 Mar 2024 • Shuai Zhang, Huangxuan Zhao, Zhenghong Zhou, Guanjun Wu, Chuansheng Zheng, Xinggang Wang, Wenyu Liu

To overcome these limitations, we propose TOGS, a Gaussian splatting method with opacity offset over time, which can effectively improve the rendering quality and speed of 4D DSA.

TinyCLIP: CLIP Distillation via Affinity Mimicking and Weight Inheritance

1 code implementation • ICCV 2023 • Kan Wu, Houwen Peng, Zhenghong Zhou, Bin Xiao, Mengchen Liu, Lu Yuan, Hong Xuan, Michael Valenzuela, Xi, Chen, Xinggang Wang, Hongyang Chao, Han Hu

In this paper, we propose a novel cross-modal distillation method, called TinyCLIP, for large-scale language-image pre-trained models.

TiAVox: Time-aware Attenuation Voxels for Sparse-view 4D DSA Reconstruction

no code implementations • 5 Sep 2023 • Zhenghong Zhou, Huangxuan Zhao, Jiemin Fang, Dongqiao Xiang, Lei Chen, Lingxia Wu, Feihong Wu, Wenyu Liu, Chuansheng Zheng, Xinggang Wang

Additionally, 2D and 3D DSA imaging results can be generated from the reconstructed 4D DSA images.

3D Reconstruction Novel View Synthesis