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A novel gpu-aware Histogram-based algorithm for supporting moving object segmentation in big-data-based IoT application scenarios

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INFORMATION SCIENCES 2019年 496卷 592-612页

作者： Cuzzocrea, Alfredo Mumolo, Enzo Univ Trieste DIA Dept Trieste Italy

Multimedia data are a popular case of Big Data that expose the classical 3V characteristics (i.e., volume, velocity and variety). Such kind of data are likely to be processed within the core layer of Internet of Things (IoT) platforms, where a multiple, typically high, number of "things" (e.g., sensors, devices, actuators, and so forth) collaborate to massively process big data for supporting intelligent algorithms running over them. In such platforms, the computational bottleneck is very often represented by the component running the main algorithm, while communication and cooperation costs still remain relevant. Inspired by this emerging trend of big-data-based IoT applications, in this paper we focus on the specific application context represented by the problem of supporting moving object segmentation over images originated in the context of big multimedia data, and we propose an innovative background maintenance approach to this end. In particular, we provide a novel gpu-aware Histogram-based Moving Object Segmentation algorithm that adopts a pixel-oriented approach and it is based on Graphic Processing Units (gpu), called PixHMOS_gpu. PixH-MOS_gpu allows us to achieve higher performance, hence making the computational gap of big-data-based IoT applications decisively smaller. Experimental results clearly confirm our arguments. (C) 2019 Published by Elsevier Inc.

关键词： Big data management IoT application scenarios Moving object segmentation gpu-aware algorithms Intelligent applications

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