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Recent Virtual Reality & Intelligent Hardware Articles

Recently published articles from Virtual Reality & Intelligent Hardware.

Interactive free-viewpoint video generation

June 2020
Yanru Wang | Zhihao Huang | Hao Zhu | Wei Li | Xun Cao | Ruigang Yang

Free-viewpoint video (FVV) is processed video content in which viewers can freely select the viewing position and angle. FVV delivers an improved visual experience and can also help synthesize special...

Visual perception driven 3D building structure representation from airborne laser scanning point cloud

June 2020
Pingbo Hu | Bisheng Yang

Three-dimensional (3D) building models with unambiguous roof plane geometry parameters, roof structure units, and linked topology are essential data for many applications related to human activities...

Deep learning based point cloud registration: an overview

June 2020
Zhiyuan Zhang | Yuchao Dai | Jiadai Sun

Point cloud registration aims at finding a rigid transformation to align one point cloud to another one. It is a fundamental problem in computer vision and robotics, which has been widely used in various...

Neural Hand Reconstruction Using A Single RGB Image

June 2020
Mengcheng Li | Liang An | Tao Yu | Yangang Wang | Feng Chen | Yebin Liu

We present a neural hand reconstruction method for monocular 3D hand pose and shape estimation in this paper. Instead of directly representing hand with 3D data, a novel UV position map is introduced...

Summary study of data-driven photometric stereo methods

June 2020
Qian Zheng | Boxin Shi | Gang Pan

A photometric stereo method aims to recover the surface normal of a 3D object observed under varying light directions. It is an ill-defined problem because the general reflectance properties of the...

Urban 3D modeling with mobile laser scanning: a review

June 2020
Cheng Wang | Chenglu Wen | Yudi Dai | Shangshu Yu | Minghao Liu

Mobile laser scanning (MLS) systems mainly comprise laser scanners and mobile mapping platforms. Typical MLS systems are able to acquire three-dimensional point clouds with 1-10 centimeter point spacing...

Laser Scanned Real Environment for Intelligent Virtualization of Crane Lifting

April 2020
Lihui Huang | Souravik Dutta | Yiyu Cai

This paper presents a Tower Crane Intelligent Lifting Path Planner (TCILP) for the lifting task in the environments which are highly complex. The environment can be old industrial plants existing over...

Two-phase real-time rendering method for realistic water refraction

April 2020
Hongli Liu | Honglei Han | Guangzheng Fei

Realistic rendering has been an important goal of several interactive applications, which requires an efficient virtual simulation of many special effects that are common in the real world. However,...

On attaining user-friendly hand gesture interfaces to control existing GUIs

April 2020
Egemen Ertugrul | Ping Li | Bin Sheng

Hand gesture interfaces are dedicated programs that principally perform hand tracking and hand gesture prediction to provide alternative controls and interaction methods. They take advantage of one...

COMTIS: Customizable touchless interaction system for large screen visualization

April 2020
Jiaxin Liu | Hongxin Zhang | Chuankang Li

Large screen visualization systems have been widely utilized in many industries. Such systems can help illustrate the working states of different production systems. However, efficient interaction with...

Temporal continuity of visual attention for future gaze prediction in immersive virtual reality

April 2020
Zhiming Hu | Sheng Li | Meng Gai

Eye tracking technology is receiving increased attention in the field of virtual reality. Specifically, future gaze prediction is crucial in pre-computation for many applications such as gaze-contingent...

End-to-End Spatial Transform Face Detection and Recognition

April 2020
Hongxin Zhang | Liying Chi

Plenty of face detection and recognition methods have been proposed and got excellent results in decades. Common face recognition pipeline consists of: 1) face detection, 2) face alignment, 3) feature...

Personalized cardiovascular intervention simulation system

April 2020
Aimin Hao | Jiahao Cui | Shuai Li | Qinping Zhao

This study proposes a series of geometry and physics modeling methods for personalized cardiovascular intervention procedures, which can be applied to a virtual endovascular simulator....

Co-axial depth sensor with an extended depth range for AR/VR applications

February 2020
Mohan Xu | Hong Hua

Depth sensor is an essential element in virtual and augmented reality devices to digitalize users' environment in real time. The current popular technologies include the stereo, structured light, and...

View Synthesis from multi-view RGB data using multilayered representation and volumetric estimation

February 2020
Zhaoqi Su | Tiansong Zhou | Kun Li | David Brady | Yebin Liu

Aiming at free-view exploration of complicated scenes, this paper presents a method for interpolating views among multi RGB cameras....

Study on the adaptability of augmented reality smartglasses for astigmatism based on holographic waveguide grating

February 2020
Shenze Wang | Kaikai Du | Ningfang Song | Dongfeng Zhao | Di Feng | Zhengqian Tu

Augmented reality (AR) smartglasses are considered as the next generation of smart devices to replace mobile phones, and are widely concerned. But at present, AR smartglasses are usually designed according...

A smart assistance system for cable assembly by combining wearable augmented reality with portable visual inspection

February 2020
Lianyu Zheng | Xinyuliu Liu | Zewu An | Shufei Li | Renjie Zhang

Assembly guided by paper documents is the most widespread type used in the process of aircraft cable assembly. This process is very complicated and requires assembly workers with high-level skills....

Virtual assembly framework for performance analysis of large optics

February 2020
Jinli Zhang | Hui Wang | Bowu Liu | Dongya Chu | Xu Xu | Guoqing Pei

A longstanding technological challenge exists regarding the precise assembly design and performance optimization of large optics in high power laser facilities, comprising a combination of many complex...

Survey on path and view planning for UAVs

February 2020
Xiaohui Zhou | Zimu Yi | Yilin Liu | Kai Huang | Hui Huang

In recent decades, unmanned aerial vehicles (UAVs) have developed rapidly and been widely applied in many domains, including photography, reconstruction, monitoring, and search and rescue. In such applications,...

Study of ghost image suppression in polarized catadioptric virtual reality optical systems

February 2020
Xu Peng | Zhenyu Gao | Yitong Ding | Dongfeng Zhao | Xiaoyu Chi

s: This paper introduces a polarized catadioptric virtual reality optical system. With a focus on the issue of serious ghost image in the system, root causes are analyzed based on design principles...

Three-dimensional virtual-real mapping of aircraft automatic spray operation and online simulation monitoring

December 2019
Shiguang Qiu | Shuntao Liu | Deshuai Kong | Qichang He

This study aims at addressing the lack of closed-loop feedback optimizationenabling tool in aircraft automatic spraying systems; we systematically analyze a three-dimensional (3D) virtual-real mapping...

Research on the visual elements of augmented reality assembly processes

December 2019
Wang Li | Junfeng Wang | Sichen Jiao | Meng Wang | Shiqi Li

To solve the problem of visualization in augmented reality (AR), for assembly process information, we report here on our study into the composition of AR assembly process information....

A review of cable layout design and assembly simulation in virtual environments

December 2019
Xiaodong Yang | Jianhua Liu | Naijing Lv | Huanxiong Xia

The layout and assembly of flexible cables play important roles in the design and development of complex electromechanical products. The rationality of cable layout design and the reliability of cable...

A review of edge-based 3D tracking of rigid objects

December 2019
Pengfei Han | Gang Zhao

Three-dimensional (3D) tracking of rigid objects plays a very important role in many areas such as augmented reality, computer vision, and robotics. Numerous works have been done to pursue more stable,...

Digital assembly technology based on augmented reality and digital twins: a review

December 2019
Chan Qiu | Shien Zhou | Zhenyu Liu | Qi Gao | Jianrong Tan

Product assembly simulation is considered as one of the key technologies in the process of complex product design and manufacturing. Virtual assembly realizes the assembly process design, verification,...

Applications and research trends of digital human models in the manufacturing industry

December 2019
Wenmin Zhu | Xiumin Fan | Yanxin Zhang

Virtual reality (VR) has been widely used in various manufacturing industries, and VR-based virtual manufacturing has received significant attention in the current intelligent manufacturing era. Digital...

Flow-based SLAM: From geometry computation to learning

October 2019
Zike Yan | Hongbin Zha

Simultaneous localization and mapping (SLAM) has attracted considerable research interest from the robotics and computer-vision communities for >30 years. With steady and progressive efforts being made,...

Survey of 3D modeling using depth cameras

October 2019
Hantong Xu | Jiamin Xu | Weiwei Xu

Three-dimensional (3D) modeling is an important topic in computer graphics and computer vision. In recent years, the introduction of consumer-grade depth cameras has resulted in profound advances in...

Multi-source data-based 3D digital preservation of largescale ancient chinese architecture: A case report

October 2019
Xiang Gao | Hainan Cui | Lingjie Zhu | Tianxin Shi | Shuhan Shen

The 3D digitalization and documentation of ancient Chinese architecture is challenging because of architectural complexity and structural delicacy. To generate complete and detailed models of this architecture,...

Real-time human segmentation by BowtieNet and a SLAM-based human AR system

October 2019
Xiaomei Zhao | Fulin Tang | Yihong Wu

Generally, it is difficult to obtain accurate pose and depth for a non-rigid moving object from a single RGB camera to create augmented reality (AR). In this study, we build an augmented reality system...

Bags of tricks for learning depth and camera motion from monocular videos

October 2019
Bowen Dong | Lu Sheng

Based on the seminal work proposed by Zhou et al., much of the recent progress in learning monocular visual odometry, i. e. depth and camera motion from monocular videos, can be attributed to the tricks...

Collaborative visual SLAM for multiple agents:A brief survey

October 2019
Danping Zou | Ping Tan | Wenxian Yu

This article presents a brief survey to visual simultaneous localization and mapping (SLAM) systems applied to multiple independently moving agents, such as a team of ground or aerial vehicles, a group...

Survey and evaluation of monocular visual-inertial SLAM algorithms for augmented reality

August 2019
Li Jinyu | Yang Bangbang | Chen Danpeng | Wang Nan | Zhang Guofeng | Bao Hujun

Although VSLAM/VISLAM has achieved great success, it is still difficult to quantitatively evaluate the localization results of different kinds of SLAM systems from the aspect of augmented reality due...

Flexible and wearable healthcare sensors for visual reality health-monitoring

August 2019
Yue Li | Lu Zheng | Xuewen Wang

Visual reality (VR) health-monitoring by flexible electronics provides a new avenue to remote and wearable medicine. The combination of flexible electronics and VR could facilitate smart remote disease...

Overview of 3D Scene Viewpoints evaluation method

August 2019
Yan Zhang | Guangzheng Fei

The research on 3D scene viewpoints has been a frontier problem in computer graphics and virtual reality technology. In a pioneering study, it had been extensively used in virtual scene understanding,...

Effect of haptic feedback on a virtual lab about friction

August 2019
M.A. Zhuoluo | Yue Liu | Lu Zhao

With the increase in recent years of the utilization of multimedia devices in education, new haptic devices for education have been gradually adopted and developed. As compared with visual and auditory...

Swarm robotics platform for intelligent interaction

June 2019
Yu PENG | Nan WANG | Yuting DIAO | Haipeng MI

Background This paper introduces a versatile edutainment platform based on a swarm robotics system that can support multiple interaction methods. We aim to create a re-usable open-ended tangible tool...

Review of studies on target acquisition in virtual reality based on the crossing paradigm

June 2019
Susu HUANG | Daqing QI | Jiabin YUAN | Huawei TU

Crossing is a fundamental paradigm for target selection in human-computer interaction systems. This paradigm was first introduced to virtual reality (VR) interactions by Tu et al., who investigated...

Trajectory prediction model for crossing-based target selection

June 2019
Hao ZHANG | Jin HUANG | Feng TIAN | Guozhong DAI | Hongan WANG

Background Crossing-based target selection motion may attain less error rates and higher interactive speed in some cases. Most of the research in target selection fields are focused on the analysis...

Virtual fire drill system supporting co-located collaboration

June 2019
Yuan WEI | Dongdong GUAN | Qiuchen WANG | Xiangxian LI | Yulong BIAN | Pu QIN | Yanning XU | Chenglei YANG

Background Due to the restriction of display mode, in most of the virtual reality systems with multiple people in the same physical space, the program renders the scene based on the position and perspective...

Tactile sensitivity in ultrasonic haptics: Do different parts of hand and different rendering methods have an impact on perceptual threshold?

June 2019
Chongyang SUN | Weizhi NAI | Xiaoying SUN

Background Ultrasonic tactile representation utilizes focused ultrasound to create tactile sensations on the bare skin of a user’s hand that is not in contact with a device. This study is a preliminary...

Gesture-based target acquisition in virtual and augmented reality

June 2019
Yukang YAN | Xin YI | Chun YU | Yuanchun SHI

Background Gesture is a basic interaction channel that is frequently used by humans to communicate in daily life. In this paper, we explore to use gesture-based approaches for target acquisition in...

Influence of multi-modality on moving target selection in virtual reality

June 2019
Yang LI | Dong WU | Jin HUANG | Feng TIAN | Hong’an WANG | Guozhong DAI

Background Owing to recent advances in virtual reality (VR) technologies, effective user interaction with dynamic content in 3D scenes has become a research hotspot. Moving target selection is a basic...

Multi-dimensional force sensor for haptic interaction: a review

April 2019
Aiguo SONG | Liyue FU

Haptic interaction plays an important role in the virtual reality technology, which let a person not only view the 3D virtual environment but also realistically touch the virtual environment. As a key...

Psychophysics of wearable haptic/tactile perception in a multisensory context

April 2019
Xiao LEI | Tingwei ZHANG | Kun CHEN | Jue ZHANG | Yue TIAN | Fang FANG | Lihan CHEN

Multisensory lab based in Peking University, has carried out basic studies in multisensory space and time processing, intersensory binding and haptic / tactile perception. We exploited a typical paradigm...

Haptic display for virtual reality: progress and challenges

April 2019
Dangxiao WANG | Yuan GUO | Shiyi LIU | Yuru ZHANG | Weiliang XU | Jing XIAO

Immersion, interaction, and imagination are three features of virtual reality (VR). Existing VR systems possess fairly realistic visual and auditory feedbacks, and however, are poor with haptic feedback,...

Eye-around vibration haptics on VR immersion improvement

April 2019
Tao ZENG | Keyu WEI | Yanlin YU | Yi ZHAO

Due to the inherent shortcomings of the hardware, the immersion of visual interaction between the user and the virtual reality (VR) equipment is greatly reduced. In this paper, effects of eye-around...

Haptic interface using tendon electrical stimulation with consideration of multimodal presentation

April 2019
Akifumi TAKAHASHI | Kenta TANABE | Hiroyuki KAJIMOTO

Background Our previous studies have shown that electrical stimulation from the skin surface to the tendon region (Tendon Electrical Stimulation: TES) can elicit a force sensation, and adjusting the...

Haptic feedback for virtual reality

April 2019
Dangxiao Wang

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