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Temporal Scalable Decoding Process with Frame Rate Conversion Method for Surveillance Video

Temporal Scalable Decoding Process with Frame Rate Conversion Method for Surveillance Video,10.1007/978-3-642-15696-0_28,Wenxin Yu,Xin Jin,Satoshi Got

Temporal Scalable Decoding Process with Frame Rate Conversion Method for Surveillance Video   (Citations: 3)
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This paper proposed a temporal scalable decoding process with frame rate conversion method for surveillance video. This method can be used to reduce the computational complexity in the decoding process and keep the video quality at the same time, and make the single layer bit stream sources much more flexible for various terminal devices. It is realized based on frame-skipping conception with the proposed reference frame index decision algorithm, motion vector composition algorithm and block-partition mode decision algorithm. Compare with the frame rate conversion in transcoding process, it is much lower complexity and more flexible. Through the experimental results, the reduction of computational complexity (decoding time) depends on the number of skipped frames, the more frames was skipped the more reduction of the computational complexity will be got. The PSNR loss is very small (about 0.1 ~ 0.2 (dB)) for B frame skipping. And the PSNR loss is about 0.7 ~ 2 (dB) (the loss of SSIM is only 0.002 ~ 0.007) for 2/3 P frame skipping and reduce the computational complexity about 60%.
Conference: IEEE Pacific Rim Conference on Multimedia , pp. 297-308, 2010
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    • ...In [10], Yu et al. propose an algorithm for scaling the frame-rate of a video sequence during the video decoding process for reductions in decoding time and power consumption...

    Martin Kennedyet al. Dynamic stream control for energy efficient video streaming

    • ...With the temporal prediction, it is different from the certain frame skipping scheme in the temporal scalable decoding process with frame rate down conversion method (TSDP) [2]...
    • ...And the PSNR loss was much smaller (0.1 ~ 0.2 dB) for B frame skipping. And the next work is proposed in [2]...
    • ...Table 1. The result of proposed method which is tested by using JM 15.1 [1] reference software and compared with the method which is proposed in [2] is shown in the Table 2. (CIF is 352×288) Through the experiment, the relationship between temporal threshold which is used in the temporal prediction and the number of skipped frames are shown in Fig.3, Fig.4, Fig.5 and Fig.6...
    • ...Through the experimental result, the proposed adaptive low power decoding process with temporal prediction method for common video improves the video quality a lot that compares with the previous temporal scalable decoding process with frame rate conversion method [2]...

    Wenxin Yuet al. Adaptive low power decoding process with temporal prediction method fo...

    • ...It realizes the adaptive skipping scheme in the temporal scalable decoding process [2] based on the content of the pictures...
    • ...By using this frame rate-down conversion algorithm, the PSNR is improved about 0.2-1.4 dB (compared with the certain frame skipping scheme [2]) in different skipping cases...
    • ...In [2], it proposed a temporal scalable decoding process with frame rate conversion method which is based on reducing the frame rate to realize the goal that provides much more display formats for the single layer bit stream and reduce the decoding complexity to ensure the video with different resolutions can play in real time on the different terminal devices in the decoding process of H.264/AVC...
    • ...The proposed ideas were all based on the certain frame skipping scheme in [2]...
    • ...Compare with the certain frame skipping in [2], it improves the video quality a lot, and only with a little time reduction loss...
    • ...The experimental sources and parameters are shown in Table 1. The result of proposed method which is tested by using JM 15.1 reference software and compared with the result in [2] is shown in the Table 2. (QVGA is 320x256, elF is 352x288)...

    Wenxin Yuet al. Adaptive solution of temporal scalable decoding process with frame rat...

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