no code implementations • 31 Mar 2024 • Jiaming Deng, Zhenglin Chen, Minjiang Chen, Lulu Xu, Jiaqi Yang, Zhendong Luo, Peiwu Qin
Mycoplasma pneumoniae pneumonia (MPP) poses significant diagnostic challenges in pediatric healthcare, especially in regions like China where it's prevalent.
no code implementations • 26 Mar 2024 • Chao Liang, Jianwen Jiang, Tianyun Zhong, Gaojie Lin, Zhengkun Rong, Jiaqi Yang, Yongming Zhu
Talking face generation technology creates talking videos from arbitrary appearance and motion signal, with the "arbitrary" offering ease of use but also introducing challenges in practical applications.
no code implementations • 6 Feb 2024 • Xinyue Cao, Xiyu Zhang, Yuxin Cheng, Zhaoshuai Qi, Yanning Zhang, Jiaqi Yang
Multi-instance registration is a challenging problem in computer vision and robotics, where multiple instances of an object need to be registered in a standard coordinate system.
no code implementations • 17 Jan 2024 • Min Li, Jiaqi Yang, Laurent Kneip
Multi-perspective cameras with potentially non-overlapping fields of view have become an important exteroceptive sensing modality in a number of applications such as intelligent vehicles, drones, and mixed reality headsets.
1 code implementation • 16 Jan 2024 • Zhenhui Ye, Tianyun Zhong, Yi Ren, Jiaqi Yang, Weichuang Li, Jiawei Huang, Ziyue Jiang, Jinzheng He, Rongjie Huang, Jinglin Liu, Chen Zhang, Xiang Yin, Zejun Ma, Zhou Zhao
One-shot 3D talking portrait generation aims to reconstruct a 3D avatar from an unseen image, and then animate it with a reference video or audio to generate a talking portrait video.
no code implementations • 17 Nov 2023 • Jiaqi Yang, Bo Du, Liangpei Zhang
Data collected by different modalities can provide a wealth of complementary information, such as hyperspectral image (HSI) to offer rich spectral-spatial properties, synthetic aperture radar (SAR) to provide structural information about the Earth's surface, and light detection and ranging (LiDAR) to cover altitude information about ground elevation.
no code implementations • 17 Aug 2023 • Jiaqi Yang, Yucong Chen, Xiangting Meng, Chenxin Yan, Min Li, Ran Cheng, Lige Liu, Tao Sun, Laurent Kneip
The object pose predictor then generates canonical object representations from RGB images.
no code implementations • 24 Jul 2023 • Jiaben Chen, Yichen Zhu, Dongze Lian, Jiaqi Yang, Yifu Wang, Renrui Zhang, Xinhang Liu, Shenhan Qian, Laurent Kneip, Shenghua Gao
We therefore propose to incorporate RGB information in an event-guided optical flow refinement strategy.
1 code implementation • CVPR 2023 • Xiyu Zhang, Jiaqi Yang, Shikun Zhang, Yanning Zhang
The key insight is to loosen the previous maximum clique constraint, and mine more local consensus information in a graph for accurate pose hypotheses generation: 1) A compatibility graph is constructed to render the affinity relationship between initial correspondences.
no code implementations • ICCV 2023 • Chunlin Ren, Qingshan Xu, Shikun Zhang, Jiaqi Yang
3) A Hierarchical Prior Mining (HPM) framework, which is used to mine extensive non-local prior information at different scales to assist 3D model recovery, this strategy can achieve a considerable balance between the reconstruction of details and low-textured areas.
1 code implementation • ICCV 2023 • Qiao Wu, Jiaqi Yang, Kun Sun, Chu'ai Zhang, Yanning Zhang, Mathieu Salzmann
Specifically, we introduce two cycle-consistency strategies for supervision: 1) Self tracking cycles, which leverage labels to help the model converge better in the early stages of training; 2) forward-backward cycles, which strengthen the tracker's robustness to motion variations and the template noise caused by the template update strategy.
no code implementations • 14 Mar 2023 • Zhaoshuai Qi, Xiaojun Liu, Xiaolin Liu, Jiaqi Yang, Yanning Zhang
As the gold standard for phase retrieval, phase-shifting algorithm (PS) has been widely used in optical interferometry, fringe projection profilometry, etc.
1 code implementation • 3 Feb 2023 • Chao Yu, Jiaxuan Gao, Weilin Liu, Botian Xu, Hao Tang, Jiaqi Yang, Yu Wang, Yi Wu
A crucial limitation of this framework is that every policy in the pool is optimized w. r. t.
1 code implementation • CVPR 2023 • Jiaben Chen, Renrui Zhang, Dongze Lian, Jiaqi Yang, Ziyao Zeng, Jianbo Shi
To generalize to a new instrument or event class, drawing inspiration from the text-prompt design, we insert an additional query as an audio prompt while freezing the attention mechanism.
1 code implementation • CVPR 2023 • Zhen Li, Lingli Wang, Mofang Cheng, Cihui Pan, Jiaqi Yang
We present a efficient multi-view inverse rendering method for large-scale real-world indoor scenes that reconstructs global illumination and physically-reasonable SVBRDFs.
no code implementations • 4 Jul 2022 • Ling Gao, Yuxuan Liang, Jiaqi Yang, Shaoxun Wu, Chenyu Wang, Jiaben Chen, Laurent Kneip
Event cameras have recently gained in popularity as they hold strong potential to complement regular cameras in situations of high dynamics or challenging illumination.
no code implementations • 24 Jun 2022 • Yunfei Li, Tian Gao, Jiaqi Yang, Huazhe Xu, Yi Wu
It has been a recent trend to leverage the power of supervised learning (SL) towards more effective reinforcement learning (RL) methods.
no code implementations • 15 Jun 2022 • Wei Fu, Chao Yu, Zelai Xu, Jiaqi Yang, Yi Wu
Despite all the advantages, we revisit these two principles and show that in certain scenarios, e. g., environments with a highly multi-modal reward landscape, value decomposition, and parameter sharing can be problematic and lead to undesired outcomes.
Multi-agent Reinforcement Learning reinforcement-learning +2
no code implementations • 29 Mar 2022 • Jiaqi Yang, Qi Lei, Jason D. Lee, Simon S. Du
We give novel algorithms for multi-task and lifelong linear bandits with shared representation.
no code implementations • 19 Mar 2022 • Haocheng Yuan, Chen Zhao, Shichao Fan, Jiaxi Jiang, Jiaqi Yang
To the best of our knowledge, the proposed method is the first to mine 3D semantic consistent keypoints from a mutual reconstruction view.
no code implementations • 7 Feb 2022 • Jiaqi Yang, Xiaoling Hu, Chao Chen, Chialing Tsai
We propose a novel TopologyAttention ConvLSTM Network (TACNet) for 3D image segmentation in order to achieve high structural accuracy for 3D segmentation tasks.
no code implementations • 5 Feb 2022 • Yi-Fan Zuo, Jiaqi Yang, Jiaben Chen, Xia Wang, Yifu Wang, Laurent Kneip
We present a novel real-time visual odometry framework for a stereo setup of a depth and high-resolution event camera.
1 code implementation • CVPR 2022 • Zhen Li, Lingli Wang, Xiang Huang, Cihui Pan, Jiaqi Yang
In this paper, we present PhyIR, a neural inverse rendering method with a more completed SVBRDF representation and a physics-based in-network rendering layer, which can handle complex material and incorporate physical constraints by re-rendering realistic and detailed specular reflectance.
no code implementations • 3 Oct 2021 • Jiaqi Yang, Xuequan Lu, Wenzhi Chen
In this paper, we focus on a fundamental and practical research problem: judging whether a point cloud is plagiarized or copied to another point cloud in the presence of several manipulations (e. g., similarity transformation, smoothing).
no code implementations • NeurIPS 2021 • Baihe Huang, Kaixuan Huang, Sham M. Kakade, Jason D. Lee, Qi Lei, Runzhe Wang, Jiaqi Yang
While the theory of RL has traditionally focused on linear function approximation (or eluder dimension) approaches, little is known about nonlinear RL with neural net approximations of the Q functions.
no code implementations • NeurIPS 2021 • Baihe Huang, Kaixuan Huang, Sham M. Kakade, Jason D. Lee, Qi Lei, Runzhe Wang, Jiaqi Yang
This work considers a large family of bandit problems where the unknown underlying reward function is non-concave, including the low-rank generalized linear bandit problems and two-layer neural network with polynomial activation bandit problem.
no code implementations • 7 Jul 2021 • Yifu Wang, Jiaqi Yang, Xin Peng, Peng Wu, Ling Gao, Kun Huang, Jiaben Chen, Laurent Kneip
We present a new solution to tracking and mapping with an event camera.
no code implementations • 26 Apr 2021 • Aiqing Fang, Xinbo Zhao, Jiaqi Yang, Yanning Zhang
In addition, a dynamic degradation kernel is proposed to improve the robustness of image restoration and fusion.
no code implementations • 2 Mar 2021 • Chen Wu, Sihan Zhu, Jiaqi Yang, Meiqi Hu, Bo Du, Liangpei Zhang, Lefei Zhang, Chengxi Han, Meng Lan
Considering that public transportation was mostly reduced or even forbidden, our results indicate that city lockdown policies are effective at limiting human transmission within cities.
no code implementations • NeurIPS 2021 • Kefan Dong, Jiaqi Yang, Tengyu Ma
This paper studies model-based bandit and reinforcement learning (RL) with nonlinear function approximations.
no code implementations • NeurIPS 2021 • Zihan Zhang, Jiaqi Yang, Xiangyang Ji, Simon S. Du
With the new confidence sets, we obtain the follow regret bounds: For linear bandits, we obtain an $\tilde{O}(poly(d)\sqrt{1 + \sum_{k=1}^{K}\sigma_k^2})$ data-dependent regret bound, where $d$ is the feature dimension, $K$ is the number of rounds, and $\sigma_k^2$ is the \emph{unknown} variance of the reward at the $k$-th round.
no code implementations • 19 Nov 2020 • Jiaqi Yang
We study the multinomial logit (MNL) bandit problem, where at each time step, the seller offers an assortment of size at most $K$ from a pool of $N$ items, and the buyer purchases an item from the assortment according to a MNL choice model.
no code implementations • 10 Nov 2020 • Jiaqi Yang, Zhiqiang Huang, Siwen Quan, Qian Zhang, Yanning Zhang, Zhiguo Cao
This paper focuses on developing efficient and robust evaluation metrics for RANSAC hypotheses to achieve accurate 3D rigid registration.
no code implementations • ICLR 2021 • Jiaqi Yang, Wei Hu, Jason D. Lee, Simon S. Du
For the finite-action setting, we present a new algorithm which achieves $\widetilde{O}(T\sqrt{kN} + \sqrt{dkNT})$ regret, where $N$ is the number of rounds we play for each bandit.
no code implementations • 5 Oct 2020 • Aiqing Fang, Xinbo Zhao, Jiaqi Yang, Beibei Qin, Yanning Zhang
Finally, we explore the commonness and characteristics of different image fusion tasks, which provides a research basis for further research on the continuous learning characteristics of human brain in the field of image fusion.
no code implementations • 21 Jul 2020 • Jiaqi Yang, Jiahao Chen, Zhiqiang Huang, Siwen Quan, Yanning Zhang, Zhiguo Cao
We present a simple yet effective method for 3D correspondence grouping.
no code implementations • 17 Jul 2020 • Aiqing Fang, Xinbo Zhao, Jiaqi Yang, Shihao Cao, Yanning Zhang
Firstly, the relationship between human brain cognitive mechanism and image fusion task is analyzed and a physical model is established to simulate human brain cognitive mechanism.
no code implementations • 4 Jul 2020 • Yufei Ruan, Jiaqi Yang, Yuan Zhou
Motivated by practical needs such as large-scale learning, we study the impact of adaptivity constraints to linear contextual bandits, a central problem in online active learning.
no code implementations • 22 Jan 2020 • Angfan Zhu, Jiaqi Yang, Weiyue Zhao, Zhiguo Cao
The local reference frame (LRF) acts as a critical role in 3D local shape description and matching.
no code implementations • 23 Dec 2019 • Aiqing Fang, Xinbo Zhao, Jiaqi Yang, Yanning Zhang
The human visual perception system has strong robustness in image fusion.
no code implementations • 18 Dec 2019 • Aiqing Fang, Xinbo Zhao, Jiaqi Yang, Yanning Zhang
The characteristics of feature selection, nonlinear combination and multi-task auxiliary learning mechanism of the human visual perception system play an important role in real-world scenarios, but the research of image fusion theory based on the characteristics of human visual perception is less.
1 code implementation • 1 Nov 2019 • Chen Zhao, Jiaqi Yang, Xin Xiong, Angfan Zhu, Zhiguo Cao, Xin Li
To the best of our knowledge, this work is the first principled approach toward adaptively combining global and local information under the context of RI point cloud analysis.
no code implementations • 3 Sep 2019 • Chen Zhao, Jiaqi Yang, Ke Xian, Zhiguo Cao, Xin Li
Matching corresponding features between two images is a fundamental task to computer vision with numerous applications in object recognition, robotics, and 3D reconstruction.
no code implementations • 5 Jul 2019 • Jiaqi Yang, Ke Xian, Peng Wang, Yanning Zhang
Seeking consistent point-to-point correspondences between 3D rigid data (point clouds, meshes, or depth maps) is a fundamental problem in 3D computer vision.
no code implementations • 29 Jun 2019 • Jiaqi Yang, Siwen Quan, Peng Wang, Yanning Zhang
The outcomes present interesting findings that may shed new light on this community and provide complementary perspectives to existing evaluations on the topic of local geometric feature description.
1 code implementation • 30 Apr 2019 • Chen Zhao, Jiaqi Yang, Yang Xiao, Zhiguo Cao
Correspondence selection aiming at seeking correct feature correspondences from raw feature matches is pivotal for a number of feature-matching-based tasks.
no code implementations • 27 Apr 2019 • Jiaqi Yang, Chen Zhao, Ke Xian, Angfan Zhu, Zhiguo Cao
This paper presents a simple yet very effective data-driven approach to fuse both low-level and high-level local geometric features for 3D rigid data matching.
1 code implementation • CVPR 2019 • Chen Zhao, Zhiguo Cao, Chi Li, Xin Li, Jiaqi Yang
Feature correspondence selection is pivotal to many feature-matching based tasks in computer vision.
no code implementations • 6 Apr 2018 • Jiaqi Yang, Ke Xian, Yang Xiao, Zhiguo Cao
This paper presents a thorough evaluation of several widely-used 3D correspondence grouping algorithms, motived by their significance in vision tasks relying on correct feature correspondences.