Quality-Optimized and Secure End-to-End Authentication for Media Delivery (2008)
Qibin Sun, John Apostolopoulos, Senior Member, Chang Wen Chen, Shih-fu Chang
Abstract—The need for security services, such as confidentiality and authentication, have become one of the major concerns in multimedia communication applications, such as video on demand and...
Zhi Li, Yong Lian, Qibin Sun, Chang Wen Chen
We propose in this paper a novel content-aware stream-level approach to authenticating multimedia data transmitted over wireless networks. The proposed approach is fundamentally different from...
This article will first describe some recent advances related to multimedia communications over mobile wireless links, including some contemporary communication and networking technologies, mobile...
Nanyang Technological University (2008)
Jianfei Cai, Xiangjun Li, Chang Wen Chen
Most existing unequal loss protection (ULP) schemes do not consider the minimum quality requirement and usually have high computation complexity. In this research, we propose a layered ULP (L-ULP)...
Guest Editorial Cross-layer Optimized Wireless Multimedia Communications (2007)
Frossard, Pascal, Chen, Chang Wen, Sreenan, Cormac, Subbalakshmi, K.P., Wu, Oliver, Zhang, Qian
Video Transmission over MIMO-OFDM System: MDC and Space-Time Coding-Based Approaches (2007)
Haifeng Zheng, Congchong Ru, Chang Wen Chen, Lun Yu
MIMO-OFDM is a promising technique for the broadband wireless communication system. In this paper, we propose a novel scheme that integrates multiple-description coding (MDC), error-resilient video...
Collaborative Image Coding and Transmission over Wireless Sensor Networks (2007)
The imaging sensors are able to provide intuitive visual information for quick recognition and decision. However, imaging sensors usually generate vast amount of data. Therefore, processing and...
Houqiang Li, Yi Wang, Chang Wen Chen
With the growing popularity of personal digital assistant devices and smart phones, more and more consumers are becoming quite enthusiastic to appreciate videos via mobile devices. However, limited...
Collaborative Image Coding and Transmission over Wireless Sensor Networks (2007)
The imaging sensors are able to provide intuitive visual information for quick recognition and decision. However, imaging sensors usually generate vast amount of data. Therefore, processing and...
Video Transmission over MIMO-OFDM System: MDC and Space-Time Coding-Based Approaches (2007)
Haifeng Zheng, Congchong Ru, Chang Wen Chen, Lun Yu
MIMO-OFDM is a promising technique for the broadband wireless communication system. In this paper, we propose a novel scheme that integrates multiple-description coding (MDC), error-resilient video...
Houqiang Li, Yi Wang, Chang Wen Chen
With the growing popularity of personal digital assistant devices and smart phones, more and more consumers are becoming quite enthusiastic to appreciate videos via mobile devices. However, limited...
A New UEP Scheme Based on Adaptive Modulation for Robust Video Transmission (2006)
Congchong Ru, Liuguo Yin, Jianhua Lu, Chang Wen Chen
In order to improve the video transmission performance in multiple input multiple output (MIMO) system, an unequal error protection (UEP) transmission scheme based on coded adaptive modulation is...
Zhi Li, Student Member, Qibin Sun, Yong Lian, Senior Member, Chang Wen Chen
Abstract—There have been increasing concerns about the security issues of wireless transmission of multimedia in recent years. Wireless networks, by their nature, are more vulnerable to external...
Mitsubishi Electric Research Laboratories (2005)
Http Www Merl, Min Wu, Anthony Vetro, Jonathan Yedidia, Huifang Sun, Chang Wen Chen
In conventional video coding, the complexity of an encoder is generally much higher than that of a decoder because of operations such as motion estimation consume significant computational resources....
Zhihai He, Wenjun Zeng, Chang Wen Chen, Senior Member
Abstract — In variable-bit-rate (VBR) video coding, the video is pre-processed to collect sequence-level statistics, which are used for global bit allocation in the actual encoding stage to obtain...
Mitsubishi Electric Research Laboratories (2004)
Http Www Merl, Min Wu, Anthony Vetro, Chang Wen Chen
Multiple description coding (MDC) is a source coding technique that involves coding the source information into multiple descriptions. When these descriptions are transmitted over different channels...
An optimal joint source-channel coding (OJSCC) scheme is developed for encoding memoryless generalized Gaussian distribution (GGD) sources and transmission over noisy channels, including memoryless...
Rate-Reduction Transcoding Design for Wireless Video Streaming (2002)
This paper presents two types of techniques suitable for rate reduction transcoding for wireless video streaming applications. We begin this paper by reviewing existing approaches and addressing...
Zhihai He, Jianfei Cai, Student Member, Chang Wen Chen, Senior Member
Abstract—In this paper, we first develop a rate-distortion (R-D) model for DCT-based video coding incorporating the macroblock (MB) intra refreshing rate. For any given bit rate and intra...
Rate-Reduction Transcoding Design for Wireless Video Streaming (2002)
This paper presents two types of techniques suitable for rate reduction transcoding for wireless video streaming applications. We begin this paper by reviewing existing approaches and addressing...
Printout.
L-aspartic acid transport in cat erythrocytes /--Chang Wen Chen. (1987)
Thesis (Ph. D.)--Illinois State University, 1987.
L-aspartic acid transport in cat erythrocytes [electronic resource] / (1987)
Chen, Chang Wen., Preston, Robert Leslie. Ths
Electronic data (1 PDF file : 4.90Mb)
L-aspartic acid transport in cat erythrocytes (1987)
Thesis (Ph. D.)--Illinois State University, 1987.