Search For:

Displaying 1-50 out of 67 total
Color Transfer Brush
Found in: Computer Graphics and Applications, Pacific Conference on
By Qing Luan, Fang Wen, Ying-Qing Xu
Issue Date:November 2007
pp. 465-468
In this paper, we introduce an interactive tool for local color transfer. The new technique is based on the observation that color transfer operations are local in nature while at the same time should adhere global consistency. We introduce a brush by whic...
 
The design and realization of structure-oriented visual simulation modeling platform
Found in: Computer Science and Information Technology, International Conference on
By Xing-Wei Li, Qing Xu, Juan Cao
Issue Date:August 2009
pp. 275-278
In order to meet the practical need of a number of scientific researchers during the task of simulation modeling and to overcome some shortcomings of the existing simulation modeling tools, this paper presents a new simulation platform KD-VisualSimIDE. It ...
 
A New Scheme for Trajectory Visualization
Found in: 2014 18th International Conference on Information Visualisation (IV)
By Yuejun Guo,Qing Xu,Xiu Li,Xiaoxiao Luo,Mateu Sbert
Issue Date:July 2014
pp. 40-45
This paper proposes a new approach for trajectory clustering and visualization. During clustering, speed and direction are both taken into account as the important properties of a trajectory. Additionally, the temporal change of the trajectories is explici...
 
On Determining How Many Computers to Use in Parallel VLSI Simulation
Found in: Parallel and Distributed Simulation, Workshop on
By Qing Xu, Carl Tropper
Issue Date:June 2009
pp. 122-128
Parallel discrete event simulation has been established as a technique which has great potential to speed up the execution of gate level circuit simulation. A fundamental problem posed by a parallel environment is the decision of whether it is best to simu...
 
A Novel Adaptive Sampling by Tsallis Entropy
Found in: Computer Graphics, Imaging and Visualization, International Conference on
By Qing Xu, Mateu Sbert, Lianping Xing, Jianfeng Zhang
Issue Date:August 2007
pp. 5-10
Monte Carlo is the only choice of physically correct method to compute the problem of global illumination in the field of realistic image synthesis. Adaptive sampling is an appealing tool to eliminate noise, which is one of the main problems of Monte Carlo...
 
Remote Controlling and Monitoring System with Voice Guide on Google Earth through Optimal Short Message Service
Found in: Multimedia Information Networking and Security, International Conference on
By Xu Huaiyu, Ni Qing, Xu Yilai, Jiang Peng
Issue Date:November 2009
pp. 14-17
Short Message Service (SMS) has become a widely used communication way for mobile phone users where Global System for Mobile communications (GSM) covered. Although the GSM and SMS technology are successful and mature, there is a lot of limitations existed ...
 
Adaptive sampling with Renyi entropy in Monte Carlo path tracing
Found in: International Symposium on Signal Processing and Information Technology
By Qing Xu, Ruijuan Hu, Lianping Xing, Yuan Xu
Issue Date:December 2005
pp. 784-788
Adaptive sampling is an interesting tool to lower noise, which is one of the main problems of Monte Carlo global illumination algorithms such as the famous and baseline Monte Carlo path tracing. The classic information measure, namely, Shannon entropy has ...
 
Synthesizing oil painting surface geometry from a single photograph
Found in: 2012 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
By Wei Luo, Zheng Lu, Xiaogang Wang, Ying-Qing Xu,M. Ben-Ezra, Xiaoou Tang,M. S. Brown
Issue Date:June 2012
pp. 885-892
We present an approach to synthesize the subtle 3D relief and texture of oil painting brush strokes from a single photograph. This task is unique from traditional synthesize algorithms due to its mixed modality between the input and output; i.e., our goal ...
 
Imaging Model Based on CE-1 CCD Imagery
Found in: Computational and Information Sciences, International Conference on
By Yu He,Qing Xu,Chaozhen Lan,Shuai Xing
Issue Date:October 2011
pp. 108-110
Three-line-array CCD camera was used to obtain images of lunar surface in the first step of China's lunar exploration - Chang'e-1(CE-1). This paper studied the imaging model of CE-1 CCD image, first analysed the exterior orientation elements of collinearit...
 
The Study on the Map Configuration Evaluation and Revision Based on the Electronic Map Fast Output
Found in: Computational and Information Sciences, International Conference on
By Li-li Wu,Qing Xu,Nan Jiang,Yu Han,Ju Wang
Issue Date:October 2011
pp. 257-260
With more and more extensive application of electronic maps, the problem that how to evaluate map configuration quality of the electronic maps and how to amend it so that the maps are science and beautiful is very important. This paper analyzes the object ...
 
The Improvement of PaaS Platform
Found in: Networking and Distributed Computing, International Conference on
By Zeng Shu-Qing, Xu Jie-Bin
Issue Date:October 2010
pp. 156-159
PaaS (Platform-as-a-Service) is a business model in the cloud computing era, which provide a server platform or development environment for developers. Compared with the SaaS (Software-as-Service) to end-user, PaaS is more flexibility. Google App engine is...
 
Fault Simulation and Diagnosis of Vacuum System Based on a Simulation Platform
Found in: Electrical and Control Engineering, International Conference on
By Li Qing, Xu Zhihua, Hu Niansu, Li Jun
Issue Date:June 2010
pp. 1002-1005
The simulation model of vacuum system is an important part of the simulation model of thermal power unit, of which dynamic and static characteristics are of direct effect on the simulating efficacy of the model. However, fault simulation and diagnosis tech...
 
Improvement of Pedestrian Crossing Safety on Urban Roads
Found in: Intelligent Computation Technology and Automation, International Conference on
By Dongdong Qiu, Qing Xu, Jielin Zhang
Issue Date:May 2010
pp. 514-517
There is a big number of pedestrians on Chinese urban roads. A specific study on pedestrian crossing is therefore significant in ensuring pedestrian safety and convenience. This article analyzed that the increase in pedestrian traffic accidents resulted fr...
 
Concordance of Diagnosis Based on Zangfu-Organs Syndrome Differentiation by Clinicians of Traditional Chinese Medicine
Found in: Bioinformatics, Systems Biology and Intelligent Computing, International Joint Conference on
By Liu Guo-Ping,Wang Yi-Qin,Zhao Nai-Qing,Xu Zhao-Xiao,Li Fu-Feng,Dong Ying,Qian Peng
Issue Date:August 2009
pp. 384-387
Objective: We aimed to assess concordance of Zangfu-organs Syndrome Differentiation by evaluating the concordance of successive diagnosis by the same clinician of traditional Chinese medicine (TCM) and that of diagnosis by different clinicians of TCM. Meth...
 
A New Approach to Salt-and-Pepper Noise Removal for Color Image
Found in: Networked Computing and Advanced Information Management, International Conference on
By Qing Xu, Rui Zhang, Mateu Sbert
Issue Date:August 2009
pp. 1573-1576
This paper presents a new filter by the combination of Progressive Switching Median (PSM) and Vector Median Filter (VMF). Based on the impulse noise detection, the proposed filter can remove salt-and-pepper noises for color images while preserving the imag...
 
Adaptive Calculation of Division Points for Piecewise Linear Transformation and Application in Image Enhancement
Found in: Environmental Science and Information Application Technology, International Conference on
By Junhua Zhang, Gen Yang, Qing Xu, Yongjun Zhao
Issue Date:July 2009
pp. 645-648
Piecewise linear transformation is usually used to increase the contrast of image efficiently. It is most important to select division points during the processing course of piecewise linear transformation because these division points can decide the quali...
 
General Real Time Simulation System KDRTS Based on Common Personal Computer Hardware
Found in: Information and Computing Science, International Conference on
By Xing-Wei Li, Xiao Pan, Juan Cao, Qing Xu
Issue Date:May 2009
pp. 216-219
Along with the rapidly advancement of the computer hardware and software technology, special-purpose simulation computer system has gradually failed to keep pace with the developing and application trend of simulation technology. So in its development proc...
 
Application in Radar Simulation of STK/Connect Module
Found in: Computer Science and Information Engineering, World Congress on
By Junhua Zhang, Gen Yang, Qing Xu, Yongjun Zhao
Issue Date:April 2009
pp. 274-276
Satellite Tool Kit (abbr. STK) is a professional space-analysis software widely used in all phases of a space system’s life cycle. The simulation of STK is efficient and accurate relatively. Sometimes STK can not run efficiently. Maybe some other software ...
 
Object Space Adaptive Sampling for Global Illumination
Found in: Computer Science and Information Engineering, World Congress on
By Zhongyuan Geng, Qing Xu, Jizhou Sun
Issue Date:April 2009
pp. 653-657
Complex scenes and radiance distributions are common in realistic image synthesis. The variance of Monte Carlo sampling is large in these situations. Therefore adaptive method is needed to sample efficiently. We present an object space adaptive sampling me...
 
The Performance Analysis of Fast EAP Re-authentication Protocol
Found in: Computer Science and Computational Technology, International Symposium on
By Qing Xu, Changsheng Wan, Aiqun Hu
Issue Date:December 2008
pp. 99-103
With extensions to current EAP key hierarchy, the EAP re-authentication Protocol provides a consistent, method-independent and low-latency re-authentication mechanism to support intra-domain handoff authentication. This paper analyzed the efficiency of the...
 
3-D Baseline Error Estimation for Distributed Small Satellites Based on Image Registration
Found in: Image and Signal Processing, Congress on
By Qing Xu, Gui-sheng Liao, Ying Liu
Issue Date:May 2008
pp. 15-18
In distributed small satellites, the existence of the baseline error will affect the realization of the three functions: synthetic aperture radar imaging, ground moving target indication and altitude measure. A new 3-D baseline error estimation method for ...
 
Example-Based Cosmetic Transfer
Found in: Computer Graphics and Applications, Pacific Conference on
By Wai-Shun Tong, Chi-Keung Tang, Michael S. Brown, Ying-Qing Xu
Issue Date:November 2007
pp. 211-218
<p>Cosmetic makeup is used worldwide as a means to enhance beauty and express moods. An art form in its own right, cosmetic styles continuously change and evolve to reflect cultural and societal trends. While countless magazines and books are dedicat...
 
Diffusion Tensor Image Smoothing Using Efficient and Effective Anisotropic Filtering
Found in: Computer Vision, IEEE International Conference on
By Qing Xu, Adam W. Anderson, John C. Gore, Zhaohua Ding
Issue Date:October 2007
pp. 1-6
To improve the accuracy of tissue structural and architectural characterization with diffusion tensor imaging, an anisotropic smoothing algorithm is presented for reducing noise in diffusion tensor images efficiently and effectively. The presented algorith...
 
Multi-sensor Satellite Image Sub-pixel Registration
Found in: Image and Graphics, International Conference on
By Shuai Xing, Qing Xu, Dongyang Ma
Issue Date:August 2007
pp. 713-718
One way of geocoding a remote sensing image is to register it to an existing orthoimage. A multi-sensor and multi-resolution remote sensing image sub-pixel registration scheme is proposed in this paper. In this registration scheme, point feature, three ima...
 
Accurate Face Alignment using Shape Constrained Markov Network
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Lin Liang, Fang Wen, Ying-Qing Xu, Xiaoou Tang, Heung-Yeung Shum
Issue Date:June 2006
pp. 1313-1319
In this paper, we present a shape constrained Markov network for accurate face alignment. The global face shape is defined as a set of weighted shape samples which are integrated into the Markov network optimization. These weighted samples provide structur...
 
XTW, A Parallel and Distributed Logic Simulator
Found in: Parallel and Distributed Simulation, Workshop on
By Qing Xu, Carl Tropper
Issue Date:June 2005
pp. 181-188
In this paper, a new event scheduling mechanism XEQ and a new rollback procedure rb-messages are proposed for use in optimistic logic simulation. We incorporate both of these techniques in a simulator XTW. XTW groups LPs into clusters, and makes use of a m...
 
Fuzzy Weighted Average Filtering for Mixture Noises
Found in: Image and Graphics, International Conference on
By Qing Xu, Liang Ma, Mingchu Li, Wei Wang, Jing Cai, Roberto Brunelli, Sterfano Messelodi
Issue Date:December 2004
pp. 18-21
Classic nonlinear filter does well for suppressing impulse noise and edge preserving. However, classic nonlinear filtering is not good at reducing the mixture of Gaussian noise and impulse noise. In this paper, we investigate nonlinear filtering techniques...
 
China-styled Certain Industry Circle Integration with Manufacturing Grid
Found in: E-Commerce Technology for Dynamic E-Business, IEEE International Conference on
By Zhou Jian, Li Qing, Xu Dafeng
Issue Date:September 2004
pp. 110-113
Contemporary Integrated Manufacturing System (CIMS) covering Certain Industry Circle (CIMS-CIC) is a specific integrating method with which we can integrate a state-owned group corporation in certain Chinese industry. In this paper, we mainly focus on rela...
 
Automatic Eyeglasses Removal from Face Images
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Chenyu Wu, Ce Liu, Heung-Yueng Shum, Ying-Qing Xu, Zhengyou Zhang
Issue Date:March 2004
pp. 322-336
<p><b>Abstract</b>—In this paper, we present an intelligent image editing and face synthesis system that automatically removes eyeglasses from an input frontal face image. Although conventional image editing tools can be used to remove ey...
 
Realistic Rendering and Animation of Knitwear
Found in: IEEE Transactions on Visualization and Computer Graphics
By Yanyun Chen, Stephen Lin, Hua Zhong, Ying-Qing Xu, Baining Guo, Heung-Yeung Shum
Issue Date:January 2003
pp. 43-55
<p><b>Abstract</b>—We present a framework for knitwear modeling and rendering that accounts for characteristics that are particular to knitted fabrics. We first describe a model for animation that considers knitwear features and their eff...
 
Example-Based Caricature Generation with Exaggeration
Found in: Computer Graphics and Applications, Pacific Conference on
By Lin Liang, Hong Chen, Ying-Qing Xu, Heung-Yeung Shum
Issue Date:October 2002
pp. 386
In this paper, we present a system that automatically generates caricatures from input face images. From example caricatures drawn by an artist, our caricature system learns how an artist draws caricatures. In our approach, we decouple the process of caric...
 
Learning Kernel-Based HMMs for Dynamic Sequence Synthesis
Found in: Computer Graphics and Applications, Pacific Conference on
By Tianshu Wang, Nan-Ning Zheng, Yan Li, Ying-Qing Xu, Heung-Yeung Shum
Issue Date:October 2002
pp. 87
In this paper we present an approach that synthesizes a dynamic sequence from another related sequence, and apply it to a virtual conductor: to synthesize linked figure animation from an input music track. We propose that the mapping between two dynamic se...
 
Learning-based Cursive Handwriting Synthesis
Found in: Frontiers in Handwriting Recognition, International Workshop on
By Jue Wang, Chenyu Wu, Ying-Qing Xu, Heung-Yeung Shum, Liang Ji
Issue Date:August 2002
pp. 157
In this paper, an integrated approach for modeling, learning and synthesizing personal cursive handwriting is proposed. Cursive handwriting is modeled by a tri-unit handwriting model, which focuses on both the handwritten letters and the interconnection st...
 
Example-based Facial Sketch Generation with Non-parametric Sampling
Found in: Computer Vision, IEEE International Conference on
By Hong Chen, Ying-Qing Xu, Heung-Yeung Shum, Song-Chun Zhu, Nan-Ning Zheng
Issue Date:July 2001
pp. 433
In this paper, we present an example-based facial sketch system. Our system automatically generates a sketch from an input image, by learning from example sketches drawn with a particular style by an artist. There are two key elements in our system: a non-...
 
Physically-Based Real-Time Animation of Draped Cloth
Found in: Computer Graphics International Conference
By Chiyi Cheng, Jiaoying Shi, Ying-Qing Xu, Heung-Yeung Shum
Issue Date:July 2001
pp. 0257
Abstract: In this paper, we propose a new physically-based model for real-time animation of draped cloth which not only speeds up the rendering greatly, but also maintains visually appealing results. Our simplified model is represented as a grid object com...
 
Rate Control Algorithm for DSP-Based Video Coding
Found in: Information Science and Engineering, International Conference on
By Qingli Xu, Bo Li, Shujuan Qiao, Qinglei Meng
Issue Date:December 2009
pp. 1380-1383
Since there has been a growing demand of DSP-based video coders and most existing rate control methods don't suit them well because of their high time complexity, this paper proposes an improved rate control algorithm to deal with the problem. Based on the...
 
Efficient Animation Rendering Based on Spatio-Temporal Coherence
Found in: Information Science and Engineering, International Conference on
By Qing Xu, Huaping Chen, Mateu Sbert
Issue Date:December 2009
pp. 1223-1226
In this paper, we present a new animation rendering method based on spatio-temporal coherence; it can improve the efficiency of ray generation and reduce temporal noise in animation. Beginning with an initial set of light samples produced by Monte Carlo pa...
 
Sound Radiation from Finite FGM Cylindrical Shell Excited by a Rotating Load
Found in: Innovative Computing ,Information and Control, International Conference on
By Bu-Qing Xu
Issue Date:June 2008
pp. 448
This paper presents to evaluate the vibration and sound radiation of a finite functionally graded material cylindrical shell immersed in light and heavy fluid and excited by a constant point load continuously traveling along the circumferential direction a...
 
Data-driven image color theme enhancement
Found in: ACM Transactions on Graphics (TOG)
By Baoyuan Wang, Chun Chen, Tien-Tsin Wong, Ying-Qing Xu, Yizhou Yu, Baoyuan Wang, Chun Chen, Tien-Tsin Wong, Ying-Qing Xu, Yizhou Yu
Issue Date:December 2010
pp. 1-12
It is often important for designers and photographers to convey or enhance desired color themes in their work. A color theme is typically defined as a template of colors and an associated verbal description. This paper presents a data-driven method for enh...
     
Face poser: Interactive modeling of 3D facial expressions using facial priors
Found in: ACM Transactions on Graphics (TOG)
By Heung-Yeung Shum, Jinxiang Chai, Jinxiang Chai, Manfred Lau, Manfred Lau, Ying-Qing Xu, Ying-Qing Xu
Issue Date:December 2009
pp. 1-17
This article presents an intuitive and easy-to-use system for interactively posing 3D facial expressions. The user can model and edit facial expressions by drawing freeform strokes, by specifying distances between facial points, by incrementally editing cu...
     
Annotating gigapixel images
Found in: Proceedings of the 21st annual ACM symposium on User interface software and technology (UIST '08)
By Johannes Kopf, Michael F. Cohen, Qing Luan, Steven M. Drucker, Ying-Qing Xu
Issue Date:October 2008
pp. 1-2
Panning and zooming interfaces for exploring very large images containing billions of pixels (gigapixel images) have recently appeared on the internet. This paper addresses issues that arise when creating and rendering auditory and textual annotations for ...
     
Color sketch generation
Found in: Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering (NPAR '06)
By Fang Wen, Heung-Yeung Shum, Lin Liang, Qing Luan, Ying-Qing Xu
Issue Date:June 2006
pp. 47-54
In this paper, we introduce an NPR system to generate color sketches in a free-hand drawing style. From observation, we found out that in a free-hand style both shape and color of image regions are stylized, which contributes cooperatively to the visual ef...
     
Mixture of Random Walk Solution and Quasi-Random Walk Solution to Global Illumination
Found in: Computer Graphics, Spring Conference on
By Qing Xu, Jizhou Sun, Zunce Wei, Yantai Shu, Jing Cai
Issue Date:April 2001
pp. 0211
Abstract: Conventional Monte Carlo methods are often used to solve some hard second kind Fredholm integral equations such as the difficult global illumination problems due to its dimensional independence. However, the convergence rate of the quasi-Monte Ca...
 
Computational manga and anime
Found in: SIGGRAPH Asia 2013 Courses (SA '13)
By Danqing Shi, Tien-Tsin Wong, Ying-Qing Xu, Takeo Igarashi
Issue Date:November 2013
pp. 1-52
Traditional manga (comic) and anime (cartoon) creation are painstaking processes. Even computers are utilized for the content creation, computers are mainly utilized as a naive digital canvas. With the increasing computing power and decreasing cost of CPU ...
     
Interdisciplinary studies on information art & design
Found in: Proceedings of the 6th International Symposium on Visual Information Communication and Interaction (VINCI '13)
By Ying-Qing Xu
Issue Date:August 2013
pp. 119-119
We introduce our interdisciplinary studies on information art & design, including 1) the interdisciplinary master program of information design at Tsinghua University that is a new platform to integrate art, new media and technology, to educate student...
     
Annotating traditional Chinese paintings for immersive virtual exhibition
Found in: Journal on Computing and Cultural Heritage (JOCCH)
By Qiong Li, Wei Ma, Wen Gao, Xin Ma, Ying-Qing Xu, Yizhou Wang
Issue Date:July 2012
pp. 1-12
We propose a new method of annotating a masterpiece of traditional Chinese painting with voice dubbings and environmental sounds. The painting was created with moving focus drawing technique without rigorous perspective. A novel algorithm is proposed to in...
     
When recommendation meets mobile: contextual and personalized recommendation on the go
Found in: Proceedings of the 13th international conference on Ubiquitous computing (UbiComp '11)
By Jinfeng Zhuang, Shipeng Li, Steven C.H. Hoi, Tao Mei, Ying-Qing Xu
Issue Date:September 2011
pp. 153-162
Mobile devices are becoming ubiquitous. People use their phones as a personal concierge discovering and making decisions anywhere and anytime. Understanding user intent on the go therefore becomes important for task completion on the phone. While existing ...
     
Example-based image color and tone style enhancement
Found in: ACM SIGGRAPH 2011 papers (SIGGRAPH '11)
By Baoyuan Wang, Ying-Qing Xu, Yizhou Yu
Issue Date:August 2011
pp. 287-294
Color and tone adjustments are among the most frequent image enhancement operations. We define a color and tone style as a set of explicit or implicit rules governing color and tone adjustments. Our goal in this paper is to learn implicit color and tone ad...
     
Example-based image color and tone style enhancement
Found in: ACM Transactions on Graphics (TOG)
By Baoyuan Wang, Ying-Qing Xu, Yizhou Yu
Issue Date:July 2011
pp. 1-33
Color and tone adjustments are among the most frequent image enhancement operations. We define a color and tone style as a set of explicit or implicit rules governing color and tone adjustments. Our goal in this paper is to learn implicit color and tone ad...
     
Data-driven image color theme enhancement
Found in: ACM SIGGRAPH Asia 2010 papers (SIGGRAPH ASIA '10)
By Baoyuan Wang, Chun Chen, Tien-Tsin Wong, Ying-Qing Xu, Yizhou Yu
Issue Date:December 2010
pp. 20-21
It is often important for designers and photographers to convey or enhance desired color themes in their work. A color theme is typically defined as a template of colors and an associated verbal description. This paper presents a data-driven method for enh...
     
 1  2 Next >>