Parallel TCP and scalable video coding for jitter free video transmission over MIMO wireless networks

2015 ◽  
Vol 61 (4) ◽  
pp. 733-753 ◽  
Author(s):  
Avinash Kumar Chaurasia ◽  
Aditya K. Jagannatham
2011 ◽  
Vol 58-60 ◽  
pp. 1554-1559
Author(s):  
Chou Chen Wang ◽  
Wei Han Chen ◽  
Yan Lin Lu ◽  
Jia Wei Wu

In this paper, we develop a novel robust scheme of two-dimensional unequal error protection (2-D UEP) for the H.264 scalable video coding (SVC) with a combined temporal and quality (SNR) scalability over packet-erasure channel. To avoid the waste of bits and obtain the best rate allocation, we propose a threshold-based UEP (TH-UEP) scheme. The proposed TH-UEP designs a predefined threshold according to the length of packet and the error correcting ability of RS code to achieve the best allocation. In addition, the proposed scheme also derives a simple mathematical model to reduce computational load of the best allocation. Experimental results demonstrate that the proposed H.264 video transmission scheme can provide strong robustness and video quality improvement when compared to other 2-D UEP schemes.


Author(s):  
Shiguo Lian

Secure multimedia transcoding is a challenge that operates the encrypted multimedia content directly. For example, the encrypted multimedia data’s bit rate is changed directly in order to adapt a narrow channel. However, since it avoids the triple operations decryption-transcoding-re-encryption, it is suitable for the application scenarios requiring low cost operations, such as wireless or mobile multimedia communication. In this chapter, the secure transcoding scheme for scalable video coding is proposed and analyzed, together with the introduction to scalable video coding and multimedia encryption, the overview of existing secure transcoding schemes, and some open issues in this field. The chapter is expected to provide researchers or engineers valuable information on secure multimedia transcoding and communication.


2006 ◽  
Vol 52 (2) ◽  
pp. 689-695 ◽  
Author(s):  
Chun-Su Park ◽  
Nam-Hyeong Kim ◽  
Sang-Hee Park ◽  
Goo-Rak Kwon ◽  
Sung-Jea Ko

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