Abstract
Raptor code is a solution used for forward error correction at the application layer during multimedia transmission. The amount of multimedia transmission data is huge. In order to transmit high-quality image and video under a fixed bandwidth, data must be compressed before transmission, and compression techniques such as jpg picture compression, MPEG-based video compression, and perceptual compression ROI coding are used. In this way, the compressed data has different reliability levels during transmission. This paper proposes a fountain code with unequal error protection, combined with image compression to construct a joint source-channel coding scheme based on UEP-Raptor code. Finally, the experiment proves that the adoption of this scheme has effectively improved the data transmission quality.
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Liu, C., Yang, W., Li, D., Wang, Z., Wang, Z., Lv, H. (2021). Joint Source-Channel Coding Scheme Based on UEP-Raptor. In: Liang, Q., Wang, W., Liu, X., Na, Z., Li, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2020. Lecture Notes in Electrical Engineering, vol 654. Springer, Singapore. https://doi.org/10.1007/978-981-15-8411-4_153
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DOI: https://doi.org/10.1007/978-981-15-8411-4_153
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