no code implementations • 23 Apr 2024 • Yikun Zhang, Geyan Ye, Chaohao Yuan, Bo Han, Long-Kai Huang, Jianhua Yao, Wei Liu, Yu Rong
We design a Hierarchical Adaptive Alignment model to concurrently learn the fine-grained fragment correspondence between two modalities and align these representations of fragments in three levels.
no code implementations • 18 Apr 2024 • Chaohao Yuan, Songyou Li, Geyan Ye, Yikun Zhang, Long-Kai Huang, Wenbing Huang, Wei Liu, Jianhua Yao, Yu Rong
The core challenge of de novo protein design lies in creating proteins with specific functions or properties, guided by certain conditions.
1 code implementation • 16 Oct 2021 • Yikun Zhang, Yen-Chi Chen
The set of local modes and the ridge lines estimated from a dataset are important summary characteristics of the data-generating distribution.
2 code implementations • 29 Apr 2021 • Yikun Zhang, Yen-Chi Chen
This paper studies the linear convergence of the subspace constrained mean shift (SCMS) algorithm, a well-known algorithm for identifying a density ridge defined by a kernel density estimator.
1 code implementation • 25 Jan 2021 • Yikun Zhang, Yen-Chi Chen
Under the (generalized) EM framework, we provide a new proof for the ascending property of density estimates and demonstrate the global convergence of directional mean shift sequences.
1 code implementation • 23 Oct 2020 • Yikun Zhang, Yen-Chi Chen
Directional data consist of observations distributed on a (hyper)sphere, and appear in many applied fields, such as astronomy, ecology, and environmental science.
5 code implementations • 27 Sep 2020 • Zhuonan He, Yikun Zhang, Yu Guan, Shanzhou Niu, Yi Zhang, Yang Chen, Qiegen Liu
Dose reduction in computed tomography (CT) is essential for decreasing radiation risk in clinical applications.