PERFORMANCE ANALYSIS FOR DCT-BASED CODED IMAGE COMMUNICATION IN WIRELESS MULTIMEDIA SENSOR NETWORKS

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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering , Engineering, Electrical & Electronic

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VOLUME 6 , ISSUE 1 (February 2013) > List of articles

PERFORMANCE ANALYSIS FOR DCT-BASED CODED IMAGE COMMUNICATION IN WIRELESS MULTIMEDIA SENSOR NETWORKS

Xiong Zheyuan * / Fan Xiaping * / Liu Shaoqiang * / Li Yongzhou / Zhang Huan

Keywords : Wireless multimedia sensor networks, image compression, image transmission, DCT.

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 6, Issue 1, Pages 120-135, DOI: https://doi.org/10.21307/ijssis-2017-531

License : (CC BY-NC-ND 4.0)

Received Date : 08-October-2012 / Accepted: 06-June-2013 / Published Online: 20-February-2013

ARTICLE

ABSTRACT

The objective of this paper is to study the image communication behavior of a wireless video sensor, and analyze its performance under resource constrained wireless multimedia sensor networks. Energy consumption and rate distortion model of DCT-based coded image compression and transmission is developed. Based on energy consumption and rate distortion model proposed, resource allocation is optimized with limited energy and bandwidth. Number of DCT coefficient and step size of quantization table is adapted according to the activity of monitoring scene, and then the energy consumption will be minimized. Simulations results are conducted to show the performance of our work. The proposed scheme dramatically reduces image compression and transmission energy consumption under expected image distortion and transmission rate.

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REFERENCES

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