Search Results for author: Zihan Zhou

Found 24 papers, 10 papers with code

Neural Face Identification in a 2D Wireframe Projection of a Manifold Object

no code implementations29 Sep 2021 Kehan Wang, Jia Zheng, Zihan Zhou

In computer-aided design (CAD) systems, 2D line drawings are commonly used to illustrate 3D object designs.

3D Object Reconstruction

Temporal Induced Self-Play for Stochastic Bayesian Games

1 code implementation21 Aug 2021 Weizhe Chen, Zihan Zhou, Yi Wu, Fei Fang

One practical requirement in solving dynamic games is to ensure that the players play well from any decision point onward.

Towards Robust Human Trajectory Prediction in Raw Videos

no code implementations18 Aug 2021 Rui Yu, Zihan Zhou

Human trajectory prediction has received increased attention lately due to its importance in applications such as autonomous vehicles and indoor robots.

Autonomous Vehicles Trajectory Forecasting

Data-Driven Distributed State Estimation and Behavior Modeling in Sensor Networks

no code implementations22 Sep 2020 Rui Yu, Zhenyuan Yuan, Minghui Zhu, Zihan Zhou

Nowadays, the prevalence of sensor networks has enabled tracking of the states of dynamic objects for a wide spectrum of applications from autonomous driving to environmental monitoring and urban planning.

Autonomous Driving

Probing new physics with multi-vacua quantum tunnelings beyond standard model through gravitational waves

no code implementations30 Mar 2020 Zihan Zhou, Jun Yan, Andrea Addazi, Yi-Fu Cai, Antonino Marciano, Roman Pasechnik

We report on a novel phenomenon of particle cosmology, which features specific cosmological phase transitions via quantum tunnelings through multiple vacua.

Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology High Energy Physics - Theory

Superpixel Segmentation with Fully Convolutional Networks

2 code implementations CVPR 2020 Fengting Yang, Qian Sun, Hailin Jin, Zihan Zhou

In computer vision, superpixels have been widely used as an effective way to reduce the number of image primitives for subsequent processing.

Disparity Estimation Stereo Matching +1

Evolutionary Population Curriculum for Scaling Multi-Agent Reinforcement Learning

1 code implementation ICLR 2020 Qian Long, Zihan Zhou, Abhibav Gupta, Fei Fang, Yi Wu, Xiaolong Wang

In multi-agent games, the complexity of the environment can grow exponentially as the number of agents increases, so it is particularly challenging to learn good policies when the agent population is large.

Curriculum Learning Fine-tuning +1

Neural Wireframe Renderer: Learning Wireframe to Image Translations

1 code implementation ECCV 2020 Yuan Xue, Zihan Zhou, Xiaolei Huang

To this end, we propose a novel model based on a structure-appearance joint representation learned from both images and wireframes.

Image Generation Translation

Structured3D: A Large Photo-realistic Dataset for Structured 3D Modeling

1 code implementation ECCV 2020 Jia Zheng, Junfei Zhang, Jing Li, Rui Tang, Shenghua Gao, Zihan Zhou

Recently, there has been growing interest in developing learning-based methods to detect and utilize salient semi-global or global structures, such as junctions, lines, planes, cuboids, smooth surfaces, and all types of symmetries, for 3D scene modeling and understanding.

Room Layout Estimation

CityFlow: A Multi-Agent Reinforcement Learning Environment for Large Scale City Traffic Scenario

1 code implementation13 May 2019 Huichu Zhang, Siyuan Feng, Chang Liu, Yaoyao Ding, Yichen Zhu, Zihan Zhou, Wei-Nan Zhang, Yong Yu, Haiming Jin, Zhenhui Li

The most commonly used open-source traffic simulator SUMO is, however, not scalable to large road network and large traffic flow, which hinders the study of reinforcement learning on traffic scenarios.

Multi-agent Reinforcement Learning

Image Based Review Text Generation with Emotional Guidance

no code implementations14 Jan 2019 Xuehui Sun, Zihan Zhou, Yuda Fan

Therefore, we aimed at a new field concerning generating review text from customers based on images together with the ratings of online shopping products, which appear as non-image attributes.

Image Captioning Text Generation

Recovering 3D Planes from a Single Image via Convolutional Neural Networks

1 code implementation ECCV 2018 Fengting Yang, Zihan Zhou

In this paper, we study the problem of recovering 3D planar surfaces from a single image of man-made environment.

Human robot interaction

Detecting Dominant Vanishing Points in Natural Scenes with Application to Composition-Sensitive Image Retrieval

no code implementations15 Aug 2016 Zihan Zhou, Farshid Farhat, James Z. Wang

To overcome this difficulty, we propose a novel vanishing point detection method that exploits global structures in the scene via contour detection.

Contour Detection Image Retrieval

Graph Construction with Label Information for Semi-Supervised Learning

no code implementations8 Jul 2016 Liansheng Zhuang, Zihan Zhou, Jingwen Yin, Shenghua Gao, Zhouchen Lin, Yi Ma, Nenghai Yu

In the literature, most existing graph-based semi-supervised learning (SSL) methods only use the label information of observed samples in the label propagation stage, while ignoring such valuable information when learning the graph.

graph construction Graph Learning

Modeling Photographic Composition via Triangles

no code implementations31 May 2016 Zihan Zhou, Siqiong He, Jia Li, James Z. Wang

The capacity of automatically modeling photographic composition is valuable for many real-world machine vision applications such as digital photography, image retrieval, image understanding, and image aesthetics assessment.

Image Retrieval

Plane-Based Content Preserving Warps for Video Stabilization

no code implementations CVPR 2013 Zihan Zhou, Hailin Jin, Yi Ma

Recently, a new image deformation technique called content-preserving warping (CPW) has been successfully employed to produce the state-of-the-art video stabilization results in many challenging cases.

Novel View Synthesis Video Stabilization

Single-Sample Face Recognition with Image Corruption and Misalignment via Sparse Illumination Transfer

no code implementations CVPR 2013 Liansheng Zhuang, Allen Y. Yang, Zihan Zhou, S. Shankar Sastry, Yi Ma

To compensate the missing illumination information typically provided by multiple training images, a sparse illumination transfer (SIT) technique is introduced.

Face Alignment Face Recognition +1

Sparsity and Robustness in Face Recognition

no code implementations3 Nov 2011 John Wright, Arvind Ganesh, Allen Yang, Zihan Zhou, Yi Ma

This report concerns the use of techniques for sparse signal representation and sparse error correction for automatic face recognition.

Face Recognition Robust Face Recognition

Fast L1-Minimization Algorithms For Robust Face Recognition

no code implementations21 Jul 2010 Allen Y. Yang, Zihan Zhou, Arvind Ganesh, S. Shankar Sastry, Yi Ma

L1-minimization refers to finding the minimum L1-norm solution to an underdetermined linear system b=Ax.

Compressive Sensing Face Recognition +1

Stable Principal Component Pursuit

1 code implementation14 Jan 2010 Zihan Zhou, XiaoDong Li, John Wright, Emmanuel Candes, Yi Ma

We further prove that the solution to a related convex program (a relaxed PCP) gives an estimate of the low-rank matrix that is simultaneously stable to small entrywise noise and robust to gross sparse errors.

Information Theory Information Theory

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