5 code implementations • 10 Oct 2018 • Jiechao Xiong, Qing Wang, Zhuoran Yang, Peng Sun, Lei Han, Yang Zheng, Haobo Fu, Tong Zhang, Ji Liu, Han Liu
Most existing deep reinforcement learning (DRL) frameworks consider either discrete action space or continuous action space solely.
1 code implementation • ICLR 2018 • Jiechao Xiong, Qing Wang, Zhuoran Yang, Peng Sun, Yang Zheng, Lei Han, Haobo Fu, Xiangru Lian, Carson Eisenach, Haichuan Yang, Emmanuel Ekwedike, Bei Peng, Haoyue Gao, Tong Zhang, Ji Liu, Han Liu
Most existing deep reinforcement learning (DRL) frameworks consider action spaces that are either discrete or continuous space.
2 code implementations • ICCV 2023 • Yang Zheng, Adam W. Harley, Bokui Shen, Gordon Wetzstein, Leonidas J. Guibas
Our goal is to advance the state-of-the-art by placing emphasis on long videos with naturalistic motion.
Ranked #1 on Point Tracking on TAP-Vid
3 code implementations • 19 Sep 2018 • Peng Sun, Xinghai Sun, Lei Han, Jiechao Xiong, Qing Wang, Bo Li, Yang Zheng, Ji Liu, Yongsheng Liu, Han Liu, Tong Zhang
Both TStarBot1 and TStarBot2 are able to defeat the built-in AI agents from level 1 to level 10 in a full game (1v1 Zerg-vs-Zerg game on the AbyssalReef map), noting that level 8, level 9, and level 10 are cheating agents with unfair advantages such as full vision on the whole map and resource harvest boosting.
1 code implementation • 20 Apr 2022 • Yang Zheng, Yanchao Yang, Kaichun Mo, Jiaman Li, Tao Yu, Yebin Liu, C. Karen Liu, Leonidas J. Guibas
We perform an extensive study of the benefits of leveraging the eye gaze for ego-centric human motion prediction with various state-of-the-art architectures.
2 code implementations • 17 Jul 2017 • Yang Zheng, Giovanni Fantuzzi, Antonis Papachristodoulou, Paul Goulart, Andrew Wynn
We employ chordal decomposition to reformulate a large and sparse semidefinite program (SDP), either in primal or dual standard form, into an equivalent SDP with smaller positive semidefinite (PSD) constraints.
Optimization and Control
2 code implementations • 20 Sep 2016 • Yang Zheng, Giovanni Fantuzzi, Antonis Papachristodoulou, Paul Goulart, Andrew Wynn
We show that chordal decomposition can be applied to either the primal or the dual standard form of a sparse SDP, resulting in scaled versions of ADMM algorithms with the same computational cost.
Optimization and Control
2 code implementations • 6 Nov 2016 • Yang Zheng, Giovanni Fantuzzi, Antonis Papachristodoulou, Paul Goulart, Andrew Wynn
We propose an efficient first-order method, based on the alternating direction method of multipliers (ADMM), to solve the homogeneous self-dual embedding problem for a primal-dual pair of semidefinite programs (SDPs) with chordal sparsity.
Optimization and Control
1 code implementation • 20 Mar 2022 • Jiawei Wang, Yang Zheng, Keqiang Li, Qing Xu
For the control of connected and autonomous vehicles (CAVs), most existing methods focus on model-based strategies.
1 code implementation • 7 Apr 2022 • Jiawei Wang, Yang Zheng, Jianghong Dong, Chaoyi Chen, Mengchi Cai, Keqiang Li, Qing Xu
In this paper, we present the first experimental results of data-driven predictive control for connected and autonomous vehicles (CAVs) in dissipating traffic waves.
1 code implementation • 23 Jul 2020 • Jiawei Wang, Yang Zheng, Chaoyi Chen, Qing Xu, Keqiang Li
Numerical studies confirm the potential of LCC to strengthen the capability of CAVs in suppressing traffic instabilities and smoothing traffic flow.
Systems and Control Systems and Control Optimization and Control
1 code implementation • 8 Dec 2020 • Jiawei Wang, Yang Zheng, Chaoyi Chen, Qing Xu, Keqiang Li
Most existing strategies for CAVs' longitudinal control focus on downstream traffic conditions, but neglect the impact of CAVs' behaviors on upstream traffic flow.
2 code implementations • 8 Feb 2021 • Yang Zheng, Yujie Tang, Na Li
This paper revisits the classical Linear Quadratic Gaussian (LQG) control from a modern optimization perspective.
Policy Gradient Methods Optimization and Control Systems and Control Systems and Control Dynamical Systems
2 code implementations • 14 Jul 2018 • Yang Zheng, Giovanni Fantuzzi, Antonis Papachristodoulou
Optimization over non-negative polynomials is fundamental for nonlinear systems analysis and control.
Optimization and Control Systems and Control
2 code implementations • 8 Apr 2018 • Yang Zheng, Giovanni Fantuzzi, Antonis Papachristodoulou
We show that a subset of sparse SOS matrices with chordal sparsity patterns can be equivalently decomposed into a sum of multiple SOS matrices that are nonzero only on a principal submatrix.
Optimization and Control Systems and Control
2 code implementations • 22 Jul 2020 • Yang Zheng, Giovanni Fantuzzi
Third, we prove that if $P$ is positive definite on a compact semialgebraic set $\mathcal{K}=\{x:g_1(x)\geq 0,\ldots, g_m(x)\geq 0\}$ satisfying the Archimedean condition, then $P(x) = S_0(x) + g_1(x)S_1(x) + \cdots + g_m(x)S_m(x)$ for matrices $S_i(x)$ that are sums of sparse SOS matrices.
Optimization and Control Data Structures and Algorithms Systems and Control Systems and Control Algebraic Geometry
1 code implementation • 2 Sep 2021 • Hao Deng, Yang Zheng, Jin Chen, Shuyan Yu, Keyan Xiao, Xiancheng Mao
The three-dimensional (3D) geological models are the typical and key data source in the 3D mineral prospecitivity modeling.
1 code implementation • 11 Apr 2022 • Ryan Vogt, Yang Zheng, Eli Shlizerman
To address the fact that RNN features go beyond the existing Lyapunov spectral analysis, we propose to infer relevant features from the Lyapunov spectrum with an Autoencoder and an embedding of its latent representation (AeLLE).
1 code implementation • 20 Jun 2023 • Yuexin Bian, Ningkun Zheng, Yang Zheng, Bolun Xu, Yuanyuan Shi
Energy storage are strategic participants in electricity markets to arbitrage price differences.
1 code implementation • 7 Jun 2022 • Jiashuo Liu, Jiayun Wu, Jie Peng, Xiaoyu Wu, Yang Zheng, Bo Li, Peng Cui
shifts in prediction mechanisms ($Y|X$-shifts).
no code implementations • 11 Mar 2019 • Yang Zheng, Izzat H. Izzat, John H. L. Hansen
An intelligent vehicle should be able to understand the driver's perception of the environment as well as controlling behavior of the vehicle.
no code implementations • 16 Mar 2019 • Yang Zheng, Izzat H. Izzat, Shahrzad Ziaee
In this paper, we propose two variations of novel Gated Fusion Units (GFU), that learn the combination of feature maps generated by the two SSD middle layers.
no code implementations • 25 Mar 2020 • Yang Zheng, Eli Shlizerman
Random Recurrent Neural Networks (RRNN) are the simplest recurrent networks to model and extract features from sequential data.
no code implementations • 5 Apr 2020 • Yang Zheng, Izzat H. Izzat, Sanling Song
Point clouds have been widely adopted in 3D semantic scene understanding.
no code implementations • 12 Jun 2020 • Yang Zheng, Jinlin Xiang, Kun Su, Eli Shlizerman
The balanced learning strategy enables BI-MAML to both outperform other state-of-the-art models in terms of classification accuracy for existing tasks and also accomplish efficient adaption to similar new tasks with less required shots.
1 code implementation • 1 Sep 2020 • Yang Zheng, Na Li
For unstable systems, our results suggest that the Markov parameters are harder to estimate in the presence of process noise.
Optimization and Control Systems and Control Systems and Control Dynamical Systems
no code implementations • 4 Dec 2020 • Guo-Yang Li, YuXuan Jiang, Yang Zheng, Weiqiang Xu, Zhaoyi Zhang, Yanping Cao
The results and methods reported in this study show the group velocity and dispersion relation of the guided waves can be adopted to probe BP and arterial stiffness noninvasively and thus promising for early diagnosis of the CVDs.
Medical Physics Soft Condensed Matter 74J05, 74L15, 92C50
no code implementations • 8 Sep 2020 • Keqiang Li, Jiawei Wang, Yang Zheng
In mixed traffic flow consisting of AVs and human-driven vehicles (HDVs), the prevailing platooning of multiple AVs is not the only choice for cooperative formation.
no code implementations • ICCV 2021 • Yang Zheng, Ruizhi Shao, Yuxiang Zhang, Tao Yu, Zerong Zheng, Qionghai Dai, Yebin Liu
We propose DeepMultiCap, a novel method for multi-person performance capture using sparse multi-view cameras.
no code implementations • 26 Aug 2021 • Yang Zheng, Xiaoyi Feng, Zhaoqiang Xia, Xiaoyue Jiang, Ambra Demontis, Maura Pintor, Battista Biggio, Fabio Roli
Adversarial reprogramming allows repurposing a machine-learning model to perform a different task.
no code implementations • 19 Oct 2021 • Jiawei Wang, Yang Zheng, Qing Xu, Keqiang Li
In this paper, instead of relying on a parametric car-following model, we introduce a data-driven predictive control strategy to achieve safe and optimal control for CAVs in mixed traffic.
no code implementations • 22 May 2022 • Kaixiang Zhang, Kaian Chen, Zhaojian Li, Jun Chen, Yang Zheng
Data-driven predictive control of connected and automated vehicles (CAVs) has received increasing attention as it can achieve safe and optimal control without relying on explicit dynamical models.
no code implementations • 13 Jul 2022 • Yang Zheng, Tolga Birdal, Fei Xia, Yanchao Yang, Yueqi Duan, Leonidas J. Guibas
To this end, we propose: (i) a hierarchical localization system, where we leverage temporal information and (ii) a novel environment-aware image enhancement method to boost the robustness and accuracy.
no code implementations • 12 Sep 2022 • Jingliang Duan, Wenhan Cao, Yang Zheng, Lin Zhao
At the core of our results is the uniqueness of the stationary point of dLQR when it is observable, which is in a concise form of an observer-based controller with the optimal similarity transformation.
no code implementations • 7 Nov 2022 • Kaixiang Zhang, Yang Zheng, Chao Shang, Zhaojian Li
In this letter, we propose a simple yet effective singular value decomposition (SVD) based strategy to reduce the optimization problem dimension in data-enabled predictive control (DeePC).
no code implementations • 3 Jan 2023 • Liqun Lin, Yang Zheng, Weiling Chen, Chengdong Lan, Tiesong Zhao
In this paper, we investigate the influence of four spatial PEAs (i. e. blurring, blocking, bleeding, and ringing) and two temporal PEAs (i. e. flickering and floating) on video quality.
no code implementations • 5 Apr 2023 • Yang Zheng, Oles Andrienko, Yonglei Zhao, Minwoo Park, Trung Pham
We develop a novel Deformable Polar Polygon Object Detection method (DPPD) to detect objects in polygon shapes.
no code implementations • 6 Sep 2023 • Yang Zheng, Hao Deng, Ruisheng Wang, Jingjie Wu
This study presents a novel multimodal fusion model for three-dimensional mineral prospectivity mapping (3D MPM), effectively integrating structural and fluid information through a deep network architecture.
no code implementations • 13 Sep 2023 • Yang Zheng, Luca Demetrio, Antonio Emanuele Cinà, Xiaoyi Feng, Zhaoqiang Xia, Xiaoyue Jiang, Ambra Demontis, Battista Biggio, Fabio Roli
We empirically show that this defense improves the performances of RGB-D systems against adversarial examples even when they are computed ad-hoc to circumvent this detection mechanism, and that is also more effective than adversarial training.
no code implementations • NeurIPS 2023 • Hong-Xing Yu, Yang Zheng, Yuan Gao, Yitong Deng, Bo Zhu, Jiajun Wu
Specifically, to deal with visual ambiguities of fluid velocity, we introduce a set of physics-based losses that enforce inferring a physically plausible velocity field, which is divergence-free and drives the transport of density.
no code implementations • 19 Mar 2024 • Jun Yu, Gongpeng Zhao, Yongqi Wang, Zhihong Wei, Yang Zheng, Zerui Zhang, Zhongpeng Cai, Guochen Xie, Jichao Zhu, Wangyuan Zhu
This paper presents our approach for the VA (Valence-Arousal) estimation task in the ABAW6 competition.