no code implementations • 7 Apr 2024 • Wei Fang, Yuxing Tang, Heng Guo, Mingze Yuan, Tony C. W. Mok, Ke Yan, Jiawen Yao, Xin Chen, Zaiyi Liu, Le Lu, Ling Zhang, Minfeng Xu
In the realm of medical 3D data, such as CT and MRI images, prevalent anisotropic resolution is characterized by high intra-slice but diminished inter-slice resolution.
no code implementations • 22 Mar 2024 • Heng Guo, Jianfeng Zhang, Jiaxing Huang, Tony C. W. Mok, Dazhou Guo, Ke Yan, Le Lu, Dakai Jin, Minfeng Xu
In this work, we propose a comprehensive and scalable 3D SAM model for whole-body CT segmentation, named CT-SAM3D.
1 code implementation • 2 Nov 2023 • Hanwen Chang, Haihao Shen, Yiyang Cai, Xinyu Ye, Zhenzhong Xu, Wenhua Cheng, Kaokao Lv, Weiwei Zhang, Yintong Lu, Heng Guo
Diffusion models have gained popularity for generating images from textual descriptions.
1 code implementation • ICCV 2023 • Yankai Jiang, Mingze Sun, Heng Guo, Xiaoyu Bai, Ke Yan, Le Lu, Minfeng Xu
Alice introduces a new contrastive learning strategy which encourages the similarity between views that are diversely mined but with consistent high-level semantics, in order to learn invariant anatomical features.
no code implementations • ICCV 2023 • Jun Hoong Chan, Bohan Yu, Heng Guo, Jieji Ren, Zongqing Lu, Boxin Shi
Illumination planning in photometric stereo aims to find a balance between tween surface normal estimation accuracy and image capturing efficiency by selecting optimal light configurations.
no code implementations • ICCV 2023 • Feishi Wang, Jieji Ren, Heng Guo, Mingjun Ren, Boxin Shi
Photometric stereo aims to recover detailed surface shapes from images captured under varying illuminations.
1 code implementation • 5 Dec 2022 • Heng Guo, Jianfeng Zhang, Ke Yan, Le Lu, Minfeng Xu
For rib parsing, CT scans have been annotated at the rib instance-level for quantitative evaluation, similarly for spine vertebrae and abdominal organs.
no code implementations • 28 Nov 2022 • Jipeng Lv, Heng Guo, GuanYing Chen, Jinxiu Liang, Boxin Shi
In this paper, we propose a deep neural network named NeuralMPS to solve the MPS problem under general non-Lambertian spectral reflectances.
no code implementations • 21 Sep 2022 • Shuting Kang, Heng Guo, Lijun Zhang, Guangzhen Liu, Yunzhi Xue, Yanjun Wu
How to model action sequences so that one can further consider the effects of different action parameters in the scenario is the bottleneck of the problem.
no code implementations • 2 Aug 2022 • Minfeng Xu, Heng Guo, Jianfeng Zhang, Ke Yan, Le Lu
Accurate and robust abdominal multi-organ segmentation from CT imaging of different modalities is a challenging task due to complex inter- and intra-organ shape and appearance variations among abdominal organs.
no code implementations • 11 Jul 2022 • Heng Guo, Hiroaki Santo, Boxin Shi, Yasuyuki Matsushita
This paper presents a near-light photometric stereo method that faithfully preserves sharp depth edges in the 3D reconstruction.
1 code implementation • CVPR 2021 • Heng Guo, Fumio Okura, Boxin Shi, Takuya Funatomi, Yasuhiro Mukaigawa, Yasuyuki Matsushita
To make the problem well-posed, existing MPS methods rely on restrictive assumptions, such as shape prior, surfaces having a monochromatic with uniform albedo.
no code implementations • 28 Dec 2020 • Heng Guo, Giorgos Mousa
We give a local-to-global principle for relative entropy contraction in simplicial complexes.
Data Structures and Algorithms Probability
1 code implementation • 28 Feb 2020 • Zhuolin Yang, Zhikuan Zhao, Boxin Wang, Jiawei Zhang, Linyi Li, Hengzhi Pei, Bojan Karlas, Ji Liu, Heng Guo, Ce Zhang, Bo Li
Intensive algorithmic efforts have been made to enable the rapid improvements of certificated robustness for complex ML models recently.
no code implementations • 4 Feb 2020 • Aung Aung Phyo Wai, Yangsong Zhang, Heng Guo, Ying Chi, Lei Zhang, Xian-Sheng Hua, Seong Whan Lee, Cuntai Guan
We observed that CSTA achieves the maximum mean accuracy of 97. 43$\pm$2. 26 % and 85. 71$\pm$13. 41 % with four-class and forty-class SSVEP data-sets respectively in sub-second response time in offline analysis.
1 code implementation • CVPR 2019 • Xingde Ying, Heng Guo, Kai Ma, Jian Wu, Zheng-Xin Weng, Yefeng Zheng
Computed tomography (CT) can provide a 3D view of the patient's internal organs, facilitating disease diagnosis, but it incurs more radiation dose to a patient and a CT scanner is much more cost prohibitive than an X-ray machine too.
no code implementations • 14 Mar 2019 • Mary Cryan, Heng Guo, Giorgos Mousa
We show that the modified log-Sobolev constant for a natural Markov chain which converges to an $r$-homogeneous strongly log-concave distribution is at least $1/r$.
Probability Data Structures and Algorithms Combinatorics
no code implementations • 15 May 2017 • Heng Guo, Kaan Kara, Ce Zhang
For Markov chain Monte Carlo methods, one of the greatest discrepancies between theory and system is the scan order - while most theoretical development on the mixing time analysis deals with random updates, real-world systems are implemented with systematic scans.