no code implementations • 15 Dec 2024 • Juntao Dai, Yaodong Yang, Qian Zheng, Gang Pan
In response, we propose the first estimation method for finite-horizon non-discounted constraints in deep Safe RL, termed Gradient-based Estimation (GBE), which relies on the analytic gradient derived along trajectories.
2 code implementations • 9 Oct 2024 • Weixing Zhang, Zongrui Li, De Ma, Huajin Tang, Xudong Jiang, Qian Zheng, Gang Pan
Despite recent advances in improving surface reconstruction accuracy, the reconstructed results still exhibit bias and suffer from inefficiency in storage and training.
no code implementations • 8 Oct 2024 • Yi Jiang, Qingyang Shen, Shuzhong Lai, Shunyu Qi, Qian Zheng, Lin Yao, Yueming Wang, Gang Pan
Autism spectrum disorder(ASD) is a pervasive developmental disorder that significantly impacts the daily functioning and social participation of individuals.
no code implementations • 19 Aug 2024 • Yangfan Hu, Qian Zheng, Guoqi Li, Huajin Tang, Gang Pan
To provide future directions toward building energy-efficient large SNN models, we present a survey of existing methods for developing deep spiking neural networks, with a focus on emerging Spiking Transformers.
1 code implementation • 18 Jul 2024 • Zongrui Li, Minghui Hu, Qian Zheng, Xudong Jiang
Although recent advancements in text-to-3D generation have significantly improved generation quality, issues like limited level of detail and low fidelity still persist, which requires further improvement.
no code implementations • 4 May 2024 • Wenjia Meng, Qian Zheng, Long Yang, Yilong Yin, Gang Pan
In this paper, we propose an off-policy policy gradient method with the optimal action-dependent baseline (Off-OAB) to mitigate this variance issue.
1 code implementation • CVPR 2024 • Zongrui Li, Zhan Lu, Haojie Yan, Boxin Shi, Gang Pan, Qian Zheng, Xudong Jiang
Natural Light Uncalibrated Photometric Stereo (NaUPS) relieves the strict environment and light assumptions in classical Uncalibrated Photometric Stereo (UPS) methods.
1 code implementation • 25 Jan 2024 • Wei Guo, Yuqi Zhang, De Ma, Qian Zheng
Recent advancement in computer vision has significantly lowered the barriers to artistic creation.
no code implementations • 26 Dec 2023 • Zhan Lu, Qian Zheng, Boxin Shi, Xudong Jiang
However, in the case of inputting sparse Low Dynamic Range (LDR) panoramic images, NeRF often degrades with under-constrained geometry and is unable to reconstruct HDR radiance from LDR inputs.
no code implementations • 16 Nov 2023 • Evgeniia Razumovskaia, Ivan Vulić, Pavle Marković, Tomasz Cichy, Qian Zheng, Tsung-Hsien Wen, Paweł Budzianowski
Factuality is a crucial requirement in information seeking dialogue: the system should respond to the user's queries so that the responses are meaningful and aligned with the knowledge provided to the system.
1 code implementation • 15 Nov 2023 • Zhanfeng Liao, Qian Zheng, Yan Liu, Gang Pan
A crucial reason for the success of existing NeRF-based methods is to build a neural density field for the geometry representation via multiple perceptron layers (MLPs).
1 code implementation • 31 May 2023 • Yangfan Hu, Qian Zheng, Xudong Jiang, Gang Pan
However, due to the quantization error and accumulating error, it often requires lots of time steps (high inference latency) to achieve high performance, which negates SNN's advantages.
1 code implementation • CVPR 2023 • Zongrui Li, Qian Zheng, Boxin Shi, Gang Pan, Xudong Jiang
Although the ambiguity is alleviated on non-Lambertian objects, the problem is still difficult to solve for more general objects with complex shapes introducing irregular shadows and general materials with complex reflectance like anisotropic reflectance.
no code implementations • 23 Mar 2023 • Hanyao Huang, Ou Zheng, Dongdong Wang, Jiayi Yin, Zijin Wang, Shengxuan Ding, Heng Yin, Chuan Xu, Renjie Yang, Qian Zheng, Bing Shi
Overall, LLMs have the potential to revolutionize dental diagnosis and treatment, which indicates a promising avenue for clinical application and research in dentistry.
no code implementations • 23 Feb 2023 • Ling Li, Bandara Dissanayake, Tatsuya Omotezako, Yunjie Zhong, Qing Zhang, Rizhao Cai, Qian Zheng, Dennis Sng, Weisi Lin, YuFei Wang, Alex C Kot
In this paper, we propose the first simulation model to reveal facial pore changes after using skincare products.
no code implementations • 18 Aug 2022 • Zongrui Li, Qian Zheng, Feishi Wang, Boxin Shi, Gang Pan, Xudong Jiang
Uncalibrated photometric stereo (UPS) is challenging due to the inherent ambiguity brought by unknown light.
no code implementations • 1 May 2022 • Dong Xing, Qian Zheng, Qianhui Liu, Gang Pan
In this work, we propose TinyLight, the first DRL-based ATSC model that is designed for devices with extremely limited resources.
no code implementations • 30 Mar 2022 • Qian Zheng, Ankur Purwar, Heng Zhao, Guang Liang Lim, Ling Li, Debasish Behera, Qian Wang, Min Tan, Rizhao Cai, Jennifer Werner, Dennis Sng, Maurice van Steensel, Weisi Lin, Alex C Kot
We present an automatic facial skin feature detection method that works across a variety of skin tones and age groups for selfies in the wild.
no code implementations • CVPR 2022 • Jieji Ren, Feishi Wang, Jiahao Zhang, Qian Zheng, Mingjun Ren, Boxin Shi
Evaluating photometric stereo using real-world dataset is important yet difficult.
1 code implementation • CVPR 2021 • Qian Zheng, Boxin Shi, Jinnan Chen, Xudong Jiang, Ling-Yu Duan, Alex C. Kot
In this paper, we consider the absorption effect for the problem of single image reflection removal.
no code implementations • CVPR 2021 • Yuchen Hong, Qian Zheng, Lingran Zhao, Xudong Jiang, Alex C. Kot, Boxin Shi
This paper studies the problem of panoramic image reflection removal, aiming at reliving the content ambiguity between reflection and transmission scenes.
no code implementations • CVPR 2021 • Zehao Chen, Qian Zheng, Peisong Niu, Huajin Tang, Gang Pan
Image-based methods for indoor lighting estimation suffer from the problem of intensity-distance ambiguity.
no code implementations • 14 Dec 2020 • Long Yang, Gang Zheng, Yu Zhang, Qian Zheng, Pengfei Li, Gang Pan
We study the convergence of $\mathtt{Expected~Sarsa}(\lambda)$ with linear function approximation.
no code implementations • 2 Dec 2020 • Long Yang, Qian Zheng, Gang Pan
However, due to the inherent non-concavity of its objective, convergence to a first-order stationary point (FOSP) can not guarantee the policy gradient methods finding a maximal point.
no code implementations • 20 Aug 2020 • Qian Zheng, Weikai Wu, Hanting Pan, Niloy Mitra, Daniel Cohen-Or, Hui Huang
In this paper, we present a fine-grained action recognition method that learns to infer such latent object properties from human interaction motion alone.
no code implementations • CVPR 2020 • Qian Zheng, Jinnan Chen, Zhan Lu, Boxin Shi, Xudong Jiang, Kim-Hui Yap, Ling-Yu Duan, Alex C. Kot
This paper aims to calibrate the orientation of glass and the field of view of the camera from a single reflection-contaminated image.
no code implementations • 24 Oct 2019 • Qian Zheng
Human emotion can be classified as one of the basic emotion types like being angry, happy or dimensional emotion with valence and arousal values.
no code implementations • 6 Sep 2019 • Long Yang, Yu Zhang, Qian Zheng, Pengfei Li, Gang Pan
To address above problem, we propose a GQ$(\sigma,\lambda)$ that extends tabular Q$(\sigma,\lambda)$ with linear function approximation.
no code implementations • 25 Jun 2019 • Long Yang, Yu Zhang, Jun Wen, Qian Zheng, Pengfei Li, Gang Pan
In this paper, for reducing the variance, we introduce control variate technique to $\mathtt{Expected}$ $\mathtt{Sarsa}$($\lambda$) and propose a tabular $\mathtt{ES}$($\lambda$)-$\mathtt{CV}$ algorithm.
no code implementations • 25 Jun 2019 • Long Yang, Yu Zhang, Gang Zheng, Qian Zheng, Pengfei Li, Jianhang Huang, Jun Wen, Gang Pan
Improving sample efficiency has been a longstanding goal in reinforcement learning.
5 code implementations • 14 May 2019 • Weitian Li, Haiguang Xu, Zhixian Ma, Dan Hu, Zhenghao Zhu, Chenxi Shan, Jingying Wang, Junhua Gu, Dongchao Zheng, Xiaoli Lian, Qian Zheng, Yu Wang, Jie Zhu, Xiang-Ping Wu
The overwhelming foreground contamination is one of the primary impediments to probing the EoR through measuring the redshifted 21 cm signal.
Cosmology and Nongalactic Astrophysics
no code implementations • ICCV 2019 • Qian Zheng, Yiming Jia, Boxin Shi, Xudong Jiang, Ling-Yu Duan, Alex C. Kot
This paper solves the Sparse Photometric stereo through Lighting Interpolation and Normal Estimation using a generative Network (SPLINE-Net).
no code implementations • 12 Nov 2018 • Jun Wen, Risheng Liu, Nenggan Zheng, Qian Zheng, Zhefeng Gong, Junsong Yuan
In this paper, we present a method for learning domain-invariant local feature patterns and jointly aligning holistic and local feature statistics.
no code implementations • 14 Jun 2018 • Wenjia Meng, Qian Zheng, Long Yang, Pengfei Li, Gang Pan
In this paper, we propose a general framework to combine DQN and most of the return-based reinforcement learning algorithms, named R-DQN.
no code implementations • 9 Feb 2018 • Long Yang, Minhao Shi, Qian Zheng, Wenjia Meng, Gang Pan
Results show that, with an intermediate value of $\sigma$, $Q(\sigma ,\lambda)$ creates a mixture of the existing algorithms that can learn the optimal value significantly faster than the extreme end ($\sigma=0$, or $1$).