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The Use of HACP+SBT Lossless Compression in Optimizing Memory Bandwidth Requirement for Hardware Implementation of Background Modelling Algorithms

机译:HACP + SBT无损压缩在优化内存带宽需求方面的应用,以实现背景建模算法的硬件

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In this paper the issue of optimizing memory bandwidth to external RAM in FPGA hardware implementation of foreground object segmentation methods is discussed. Three representative background modelling algorithms: Running Average (RA), Gaussian Mixture Model (GMM) and Pixel Based Adaptive Segmenter (PBAS) and three lossless compression methods: Run Length Encoding (RLE), Huffman coding and Hierarchical Average and Copy Prediction (HACP) with Significant Bit Truncation (SBT) coding were considered. After initial simulations in a software model, it was decided to implement the HACP+SBT approach in hardware. In addition, the possibility of using the proposed solution for ultra high-definition video stream processing was evaluated.
机译:本文讨论了在前景对象分割方法的FPGA硬件实现中优化外部RAM的内存带宽的问题。三种代表性的背景建模算法:运行平均值(RA),高斯混合模型(GMM)和基于像素的自适应分段器(PBAS)以及三种无损压缩方法:游程长度编码(RLE),霍夫曼编码以及分层平均和复制预测(HACP)考虑使用有效位截断(SBT)编码。在对软件模型进行初步仿真之后,决定在硬件中实施HACP + SBT方法。此外,评估了将建议的解决方案用于超高清视频流处理的可能性。

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