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Displaying 1-19 out of 19 total
Content-Aware Video Retargeting Using Object-Preserving Warping
Found in: IEEE Transactions on Visualization and Computer Graphics
By Shih-Syun Lin, Chao-Hung Lin, I-Cheng Yeh, Shu-Huai Chang, Chih-Kuo Yeh, Tong-Yee Lee
Issue Date:October 2013
pp. 1677-1686
A novel content-aware warping approach is introduced for video retargeting. The key to this technique is adapting videos to fit displays with various aspect ratios and sizes while preserving both visually salient content and temporal coherence. Most previo...
 
Social-Event-Driven Camera Control for Multicharacter Animations
Found in: IEEE Transactions on Visualization and Computer Graphics
By I-Cheng Yeh, Wen-Chieh Lin, Tong-Yee Lee, Hsin-Ju Han, Jehee Lee, Manmyung Kim
Issue Date:September 2012
pp. 1496-1510
In a virtual world, a group of virtual characters can interact with each other, and these characters may leave a group to join another. The interaction among individuals and groups often produces interesting events in a sequence of animation. The goal of t...
 
An RBF-Based Reparameterization Method for Constrained Texture Mapping
Found in: IEEE Transactions on Visualization and Computer Graphics
By Hongchuan Yu,Tong-Yee Lee,I-Cheng Yeh,Xiaosong Yang,Wenxi Li,Jian J. Zhang
Issue Date:July 2012
pp. 1115-1124
Texture mapping has long been used in computer graphics to enhance the realism of virtual scenes. However, to match the 3D model feature points with the corresponding pixels in a texture image, surface parameterization must satisfy specific positional cons...
 
Template-Based 3D Model Fitting Using Dual-Domain Relaxation
Found in: IEEE Transactions on Visualization and Computer Graphics
By I-Cheng Yeh, Chao-Hung Lin, Olga Sorkine, Tong-Yee Lee
Issue Date:August 2011
pp. 1178-1190
We introduce a template fitting method for 3D surface meshes. A given template mesh is deformed to closely approximate the input 3D geometry. The connectivity of the deformed template model is automatically adjusted to facilitate the geometric fitting and ...
 
Texture Mapping with Hard Constraints Using Warping Scheme
Found in: IEEE Transactions on Visualization and Computer Graphics
By Tong-Yee Lee, Shao-Wei Yen, I-Cheng Yeh
Issue Date:March 2008
pp. 382-395
Texture mapping with positional constraints is an important and challenging problem in computer graphics. In this paper, we first present a theoretically robust, foldover-free 2D mesh warping algorithm. Then we apply this warping algorithm to handle mappin...
 
A QoE-Based Measurement for DiffServ Multicasting Networks
Found in: Computational Science and its Applications, International Conference
By Wu-Hsiao Hsu, Sheng-Cheng Yeh, Yuh-Pyng Shieh, Cheng-Ying Yang
Issue Date:March 2010
pp. 183-190
Multimedia services are typically much more sensitive to throughput, delay, and packet loss than traditional services. These parameters give technical performances of the network but they do not reveal QoS perceived by users. Hence, how to capture users’ o...
 
The Reality of Team-Based Knowledge Sharing and Creation in Professional Cyber Community
Found in: Hawaii International Conference on System Sciences
By Sheng-cheng Lin, Fu-ren Lin, Tzu-ping Huang, Ming-Cheng Yeh
Issue Date:January 2003
pp. 39a
Groupware is often regarded as an important tool for facilitating team collaboration. However, most theoretical findings are obtained by using students as subjects. We are interested in knowing the practicability of groupware embedded in a professional com...
   
Web-Based QoE Measurement Framework
Found in: 2013 International Conference on Signal-Image Technology & Internet-Based Systems (SITIS)
By Wu-Hsiao Hsu,Sheng-Cheng Yeh,Yuh-Pyng Shieh,Chaur-Heh Hsieh
Issue Date:December 2013
pp. 265-272
Multimedia services are typically much more sensitive to throughput, delay, and packet loss than traditional services. These parameters do not reveal the quality of service (QoS) perceived by users. This paper designs and implements a Quality of Experience...
 
A study on the data privacy and operation performance for cloud collaborative editing systems
Found in: 2012 IEEE 4th International Conference on Cloud Computing Technology and Science (CloudCom)
By Sheng-Cheng Yeh,Wu-Hsiao Hsu,Ming-Yang Su,Chun-Yuen Lin
Issue Date:December 2012
pp. 591-596
This paper deals with the problem of collaboratively secure document editing in cloud environment. Using cloud document editing service, several users can create and edit a document collaboratively. However, as the cloud service provider is not trusted to ...
 
Virtual Network Mapping through Path Splitting and Migration
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Wu-Hsiao Hsu,Yuh-Pyng Shieh,Chia-Hui Wang,Sheng-Cheng Yeh
Issue Date:March 2012
pp. 1095-1100
Mapping multiple virtual network (VN) requests with constraints on virtual nodes and virtual links into a shared substrate network presents a significant challenge and is an NP-hard problem. In this paper, we propose a heuristic node and link mapping algor...
 
Low Power Consumption Solutions for Mobile Instant Messaging
Found in: IEEE Transactions on Mobile Computing
By Ling-San Meng,Da-Shan Shiu,Ping-Cheng Yeh,Kuan-Chi Chen,Hung-Yi Lo
Issue Date:June 2012
pp. 896-904
Instant messaging (IM) services enable real-time text and multimedia exchange and online presence awareness. Users typically log onto instant messaging services persistently to discover available friends and also to be discovered. However, our analysis sho...
 
A Simple Path Diversity Algorithm for Interdomain Routing
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Wu-Hsiao Hsu, Yuh-Pyng Shieh, Sheng-Cheng Yeh, Pei-Siou Hung
Issue Date:March 2011
pp. 291-296
This paper proposes a simple path diversity algorithm (SPDA) for Interdomain routing. The SPDA uses source routing to find an alternate path from a source to a destination, and allows flexible division of traffic over the best and alternate path. The SPDA ...
 
The Research of Locating Methods for Mobile Stations Based on IEEE 802.16e Multi-hop WMANs
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Sheng-Cheng Yeh, Chia-Hui Wang, Wu-Hsiao Hsu, Ming-Yang Su
Issue Date:March 2011
pp. 77-80
The major part of the outdoor locating systems can be categorized into the following two approaches. One is based on the global positioning system (GPS), the other is based on the cellular network system. Although the approaches of these two major systems ...
 
Using Genetic Algorithm to Improve an Online Response System for Anomaly Traffic by Incremental Mining
Found in: Parallel and Distributed Processing with Applications, International Symposium on
By Ming-Yang Su, Sheng-Cheng Yeh, Chun-Yuen Lin, Chen-Han Tsai
Issue Date:September 2010
pp. 582-587
This paper presents an online real-time network response system, which can determine whether a LAN is suffering from a flooding attack within a very short time unit. The detection engine of the system is based on the incremental mining of fuzzy association...
 
A Novel Fitness Function in Genetic Algorithms to Optimize Neural Networks for Imbalanced Data Sets
Found in: Intelligent Systems Design and Applications, International Conference on
By Kuan-Chieh Huang, Yau-Hwang Kuo, I-Cheng Yeh
Issue Date:November 2008
pp. 647-650
The imbalanced data sets are often encountered in business, industry and real life applications. In this paper, the novel fitness function in genetic algorithms to optimize neural networks is proposed for solving the classification problems in imbalanced d...
 
Using Incremental Mining to Generate Fuzzy Rules for Real-Time Network Intrusion Detection Systems
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Ming-Yang Su, Sheng-Cheng Yeh, Kai-Chi Chang, Hua-Fu Wei
Issue Date:March 2008
pp. 50-55
In the paper, we propose a fast algorithm to generate fuzzy association rules by incremental mining approach, for which the transactions or data records are online instantly collected from live packets. That is, as one data record is collected online, the ...
 
Optimal Design of High Fan-In Multiplexers via Mixed-Integer Nonlinear Programming
Found in: Asia and South Pacific Design Automation Conference
By Hsu-Wei Huang, Cheng-Yeh Wang, Jing-Yang Jou
Issue Date:January 2004
pp. 280-283
In this paper, a novel strategy for designing the heterogeneous-tree multiplexer is proposed. We build the multiplexer delay model by curve fitting and then formulate the heterogeneous-tree multiplexer design problem as a special type of optimization probl...
 
Motion overview of human actions
Found in: ACM Transactions on Graphics (TOG)
By Daniel Cohen-Or, I-Cheng Yeh, Jackie Assa, Tong-Yee Lee
Issue Date:December 2008
pp. 1-49
During the last decade, motion capture data has emerged and gained a leading role in animations, games and 3D environments. Many of these applications require the creation of expressive overview video clips capturing the human motion, however sufficient at...
     
A bandwidth-constrained anycast routing for mobile IP in a DiffServ backbone network
Found in: Proceeding of the 2006 international conference on Communications and mobile computing (IWCMC '06)
By Kuang-En Hsieh, Li-Yuan Wu, Sheng-Cheng Yeh, Wu-Hsiao Hsu
Issue Date:July 2006
pp. 791-796
In this paper, we propose a bandwidth-constrained anycast routing in a DiffServ domain for mobile IP networks. The proposed approach is based on the assumption that the primary QoS parameter is bandwidth. When moving into a new foreign network, the mobile ...
     
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