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3DTV promises to become the mainstream of next-generation TV systems. High resolution 3DTV provides users with a vivid watching experience. Moreover, free-viewpoint view synthesis (FVVS) extends the common two-view stereo 3D vision into virtual reality by generating unlimited views from any desired view point. In the next-generation 3DTV systems, the set-top box (STB) SoC requires both a high-definition...
In this paper, an efficient VLSI architecture for convolutional code decoding algorithm is presented. This algorithm locates all erroneous segments of the received sequence and then applies our proposed decoder to these segments only. Besides, the clock-gating technique is used to disable the non-working registers of our design to further reduce the power consumption efficiently with no bit error...
In this paper, a low-power design of Viterbi decoder is presented. Based on the adaptive Viterbi algorithm, we use a dynamic setting method to set various threshold values for different decoding stages under a particular SNR and efficient reduce the average number of survivor paths. Furthermore, a flexible soft intellectual property core and an auxiliary software system for low-power Viterbi decoder...
External memory bandwidth is an important issue in system-on-chip (SoC) systems. Especially in high definition (HD) video coding, the bandwidth requirement of off-chip memory is critical in video processing. In recent researches, embedded compression shows high potential on off-chip memory bandwidth reduction. Works about embedded compression have been done for low power applications. However, there...
In this paper, a novel and area-efficient variable length decoder (VLD) for MPEG-1/2/4 is presented. Instead of carrying out every variable length coding table with one dedicated lookup table (LUT) directly, we employ an efficient clustering-merging technique to reduce both the size of a single LUT and the total number of LUTs required for MPEG-1/2/4. Synthesis results show that our VLD occupies 10666...
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