Performance if transceiving JPEG-2000 images over peer-to-peer wireless link

The Ninth International Conference onCommunications Systems, 2004. ICCS 2004. Pub Date : 2004-11-30 DOI:10.1109/ICCS.2004.1359378

Hoang D. Le, Ming Zhao, T.M. Le

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引用次数: 1

Abstract

This paper presents the performance evaluation of transceiving JPEG-2000 image over peer-to-peer wireless links. The latest image codec JPEG-2000 is implemented [2000], and a peer-to-peer transceiver model is established for wireless transmission. The standard test images are compressed by the codec within the transceiver, and subsequently transmitted from peer to peer over IEEE 802.11b wireless LAN (Wi-Fi) [1999] and General Packet Radio Service (GPRS) [1998] networks. For Wi-Fi, due to its substantially high data rate, image transmission time is not as critical. For GPRS, due to the restricted data rate and power resources, it is meaningful to investigate the performance of image transmission over GPRS-involved wireless links. Therefore, in this paper, JPEG-2000 images are compressed in lossy mode and transmitted over GPRS-GPRS and GPRS-Wi-Fi links. Since network usage time and amount of data transferred are cost-determining factors, transmission times for various compression ratios are recorded. Levels of compression can be evaluated using both objective and subjective criteria, yet subjective criteria is more dominant for the smaller screen-size and lower processing power of GPRS-supported devices

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通过点对点无线链路收发JPEG-2000图像的性能

本文介绍了在点对点无线链路上收发JPEG-2000图像的性能评估。实现了最新的图像编解码器JPEG-2000[2000]，建立了无线传输的点对点收发器模型。标准测试图像由收发器内的编解码器压缩，随后通过IEEE 802.11b无线局域网(Wi-Fi)[1999]和通用分组无线业务(GPRS)[1998]网络从点对点传输。对于Wi-Fi来说，由于其数据速率非常高，图像传输时间并不那么重要。对于GPRS，由于数据速率和功率资源的限制，研究GPRS无线链路上的图像传输性能具有重要意义。因此，本文对JPEG-2000图像进行有损压缩，并通过GPRS-GPRS和GPRS-Wi-Fi链路传输。由于网络使用时间和传输的数据量是决定成本的因素，因此记录各种压缩比的传输时间。可以使用客观和主观标准来评估压缩水平，但是对于支持gprs的设备来说，更小的屏幕尺寸和更低的处理能力，主观标准更为重要

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Ninth International Conference onCommunications Systems, 2004. ICCS 2004.

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