基于联合信源信道编码策略的无记忆反馈信道渐进图像传输

First International Workshop on Knowledge Discovery and Data Mining (WKDD 2008) Pub Date : 2008-01-23 DOI:10.1109/WKDD.2008.150

Xunfeng Yu, Dawei Ma

{"title":"基于联合信源信道编码策略的无记忆反馈信道渐进图像传输","authors":"Xunfeng Yu, Dawei Ma","doi":"10.1109/WKDD.2008.150","DOIUrl":null,"url":null,"abstract":"In this paper, we consider the problem of joint source-channel coding for image progressive transmitted over channels with feedback. Feedback routes are provided in many existing standard wireless channels, making rate allocation with feedback a problem of considerable practical importance. We address the question of rate allocation between the source and channel codes in the forward channel, in the presence of feedback information and under a distortion cost function. We show that the presence of feedback shifts the optimal rate allocation point, resulting higher rates for error-correcting codes and smaller overall distortion. Simulations on memoryless channels show that the presence of feedback allows up to about 1.5 dB improvement in PSNR compared to the similarly optimized feedforward scheme.","PeriodicalId":101656,"journal":{"name":"First International Workshop on Knowledge Discovery and Data Mining (WKDD 2008)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Progressive Image Transmission over Memoryless Feedback Channels Using Joint Source-Channel Coding Strategy\",\"authors\":\"Xunfeng Yu, Dawei Ma\",\"doi\":\"10.1109/WKDD.2008.150\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we consider the problem of joint source-channel coding for image progressive transmitted over channels with feedback. Feedback routes are provided in many existing standard wireless channels, making rate allocation with feedback a problem of considerable practical importance. We address the question of rate allocation between the source and channel codes in the forward channel, in the presence of feedback information and under a distortion cost function. We show that the presence of feedback shifts the optimal rate allocation point, resulting higher rates for error-correcting codes and smaller overall distortion. Simulations on memoryless channels show that the presence of feedback allows up to about 1.5 dB improvement in PSNR compared to the similarly optimized feedforward scheme.\",\"PeriodicalId\":101656,\"journal\":{\"name\":\"First International Workshop on Knowledge Discovery and Data Mining (WKDD 2008)\",\"volume\":\"3 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-01-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"First International Workshop on Knowledge Discovery and Data Mining (WKDD 2008)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WKDD.2008.150\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"First International Workshop on Knowledge Discovery and Data Mining (WKDD 2008)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WKDD.2008.150","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 1

摘要

本文研究了带反馈信道的图像逐级传输的联合源信道编码问题。在现有的许多标准无线信道中都提供了反馈路由，使得带反馈的速率分配问题具有相当重要的实际意义。我们解决了前向信道中存在反馈信息和失真代价函数的源码和信道码之间的速率分配问题。我们表明，反馈的存在移动了最佳速率分配点，导致更高的纠错码速率和更小的整体失真。在无记忆信道上的仿真表明，与类似优化的前馈方案相比，反馈的存在可使PSNR提高约1.5 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Progressive Image Transmission over Memoryless Feedback Channels Using Joint Source-Channel Coding Strategy

In this paper, we consider the problem of joint source-channel coding for image progressive transmitted over channels with feedback. Feedback routes are provided in many existing standard wireless channels, making rate allocation with feedback a problem of considerable practical importance. We address the question of rate allocation between the source and channel codes in the forward channel, in the presence of feedback information and under a distortion cost function. We show that the presence of feedback shifts the optimal rate allocation point, resulting higher rates for error-correcting codes and smaller overall distortion. Simulations on memoryless channels show that the presence of feedback allows up to about 1.5 dB improvement in PSNR compared to the similarly optimized feedforward scheme.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

First International Workshop on Knowledge Discovery and Data Mining (WKDD 2008)

自引率

0.00%

发文量