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Stereo video can bring people into more vivid and actual sense, but the video data is too huge to storage and transmit conveniently. In this paper, a compatible scheme which compresses stereo video with flexible prediction structure is proposed. In the proposed scheme, we define a group of picture (GOP) considering of the real time of the video. There are different prediction structures according...
In this paper, a two-description distributed video coding (2D-DVC) is proposed to address the robust video transmission of low-power captures. The odd/even frame-splitting partitions a video into two subsequences to produce two descriptions. Each description consists of two parts, where part 1 is a zero-motion based H.264 coded bitstream of a subsequence and part 2 is a Wyner-Ziv coded bitstream of...
H.264 is an advanced video compression standard and absorbs the advantages of the previous standard. In this paper, we propose a scheme which compresses the stereo video based on H.264 with adaptive prediction mode. In the proposed scheme, left sequence and right sequence are incorporated into one sequence firstly. Then the incorporated sequence is compressed with adaptive prediction mode. There is...
In this paper, we attempt to overcome the limitation of specific scalable video codec and apply FEC-MDC to a common video coder, such as the standard H.264. The proposed scheme is explained as follows. Firstly, according to motion vector changes, an original video sequence is divided into several sub-sequences as messages, so in each message better temporal correlation can be maintained for better...
In general, after a watermarked image is printed, copied several times and scanned, the watermark usually cannot be extracted rightly, as well as distorted by noise. To solve this problem, in this paper, two watermarks were embedded into the image. The first one is a periodic watermark. The second one is the real watermark message. These two watermarks are embedded into the image by modifying the...
This paper introduces advanced channel codes turbo and LDPC to distributed video coding (DVC), and compares their performance in the whole system. From the simulation results, we can find that the LDPC codes are superior to turbo codes when the video sequence has high motion. Additionally, whether turbo or LDPC, the DVC system outperforms the conventional intra-frame coding though underperforms conventional...
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