no code implementations • 18 Mar 2022 • Ilja Gubins, Marten L. Chaillet, Gijs van der Schot, M. Cristina Trueba, Remco C. Veltkamp, Friedrich Förster, Xiao Wang, Daisuke Kihara, Emmanuel Moebel, Nguyen P. Nguyen, Tommi White, Filiz Bunyak, Giorgos Papoulias, Stavros Gerolymatos, Evangelia I. Zacharaki, Konstantinos Moustakas, Xiangrui Zeng, Sinuo Liu, Min Xu, Yaoyu Wang, Cheng Chen, Xuefeng Cui, Fa Zhang
To promote innovation in computational methods, we generate a novel simulated dataset to benchmark different methods of localization and classification of biological macromolecules in tomograms.
no code implementations • CVPR 2022 • Mostofa Rafid Uddin, Gregory Howe, Xiangrui Zeng, Min Xu
Harmony leverages a simple cross-contrastive learning framework with multiple explicitly parameterized latent representations to disentangle content from transformations.
1 code implementation • 10 Dec 2021 • Tianyang Wang, Xingjian Li, Pengkun Yang, Guosheng Hu, Xiangrui Zeng, Siyu Huang, Cheng-Zhong Xu, Min Xu
In this work, we explore such an impact by theoretically proving that selecting unlabeled data of higher gradient norm leads to a lower upper-bound of test loss, resulting in better test performance.
no code implementations • 17 Nov 2021 • Hmrishav Bandyopadhyay, Zihao Deng, Leiting Ding, Sinuo Liu, Mostofa Rafid Uddin, Xiangrui Zeng, Sima Behpour, Min Xu
Cryo-Electron Tomography (cryo-ET) is a 3D imaging technology that enables the visualization of subcellular structures in situ at near-atomic resolution.
no code implementations • 27 Jun 2021 • Kai Yi, Jianye Pang, Yungeng Zhang, Xiangrui Zeng, Min Xu
Cryo-electron tomography (Cryo-ET) is a 3D imaging technique that enables the systemic study of shape, abundance, and distribution of macromolecular structures in single cells in near-atomic resolution.
no code implementations • 24 Feb 2021 • Xuefeng Du, Haohan Wang, Zhenxi Zhu, Xiangrui Zeng, Yi-Wei Chang, Jing Zhang, Min Xu
Deep learning based subtomogram classification have played critical roles for such tasks.
no code implementations • ICCV 2021 • Xiangrui Zeng, Gregory Howe, Min Xu
To our knowledge, Jim-Net is the first end-to-end model that can simultaneously align and cluster images, which significantly improves the performance as compared to performing each task alone.
no code implementations • ICCV 2021 • Xiaoyu Zhu, Jeffrey Chen, Xiangrui Zeng, Junwei Liang, Chengqi Li, Sinuo Liu, Sima Behpour, Min Xu
We propose a novel weakly supervised approach for 3D semantic segmentation on volumetric images.
no code implementations • 10 Nov 2020 • Alp Sahin, Xiangrui Zeng
For machine learning applications on dynamic systems equipped with a large number of sensors, such as connected vehicles and robots, how to find relevant and high-quality data features in an efficient way is a challenging problem.
no code implementations • 30 Jul 2020 • Liangyong Yu, Ran Li, Xiangrui Zeng, Hongyi Wang, Jie Jin, Ge Yang, Rui Jiang, Min Xu
Motivation: Cryo-Electron Tomography (cryo-ET) visualizes structure and spatial organization of macromolecules and their interactions with other subcellular components inside single cells in the close-to-native state at sub-molecular resolution.
no code implementations • CVPR 2020 • Xiangrui Zeng, Min Xu
We propose a Geometric unsupervised matching Net-work (Gum-Net) for finding the geometric correspondence between two images with application to 3D subtomogram alignment and averaging.
1 code implementation • 8 Nov 2019 • Xiangrui Zeng, Min Xu
Cryo-electron tomography (cryo-ET) is an emerging technology for the 3D visualization of structural organizations and interactions of subcellular components at near-native state and sub-molecular resolution.
no code implementations • 26 Sep 2019 • Xiangrui Zeng, Hongyu Zheng
In this paper, we propose a K-means based clustering algorithm that discovers informative features as well as which cluster pairs are separable by each selected features.
no code implementations • 27 Aug 2019 • Ziqian Luo, Xiangrui Zeng, Zhipeng Bao, Min Xu
Deep learning model trained by imbalanced data may not work satisfactorily since it could be determined by major classes and thus may ignore the classes with small amount of data.
no code implementations • 16 May 2018 • Chang Liu, Xiangrui Zeng, Kaiwen Wang, Qiang Guo, Min Xu
Cellular Electron Cryo-Tomography (CECT) is a powerful 3D imaging tool for studying the native structure and organization of macromolecules inside single cells.
no code implementations • 12 May 2018 • Kai Wen Wang, Xiangrui Zeng, Xiaodan Liang, Zhiguang Huo, Eric P. Xing, Min Xu
Cellular Electron CryoTomography (CECT) is a 3D imaging technique that captures information about the structure and spatial organization of macromolecular complexes within single cells, in near-native state and at sub-molecular resolution.
no code implementations • 4 Apr 2018 • Yixiu Zhao, Xiangrui Zeng, Qiang Guo, Min Xu
Existing subtomogram alignment based methods are prone to the missing wedge effects and low signal-to-noise ratio (SNR).
no code implementations • 12 Feb 2018 • Chang Liu, Xiangrui Zeng, Ruogu Lin, Xiaodan Liang, Zachary Freyberg, Eric Xing, Min Xu
Cellular Electron Cryo-Tomography (CECT) is a powerful imaging technique for the 3D visualization of cellular structure and organization at submolecular resolution.
no code implementations • 31 Jan 2018 • Bo Zhou, Qiang Guo, Xiangrui Zeng, Min Xu
To complement and speed up existing segmentation methods, it is desirable to develop a generic cell component segmentation method that is 1) not specific to particular types of cellular components, 2) able to segment unknown cellular components, 3) fully unsupervised and does not rely on the availability of training data.
no code implementations • 31 Jan 2018 • Jialiang Guo, Bo Zhou, Xiangrui Zeng, Zachary Freyberg, Min Xu
Electron Cryo-Tomography (ECT) enables 3D visualization of macromolecule structure inside single cells.
no code implementations • 15 Jun 2017 • Xiangrui Zeng, Miguel Ricardo Leung, Tzviya Zeev-Ben-Mordehai, Min Xu
We demonstrate that the autoencoder can be used for efficient and coarse characterization of features of macromolecular complexes and surfaces, such as membranes.
Weakly supervised Semantic Segmentation Weakly-Supervised Semantic Segmentation