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Image Data Compression and Noisy Channel Error Correction Using Deep Neural Network

机译:使用深度神经网络的图像数据压缩和噪声通道误差校正

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摘要

Everyday an enormous amount of information is stored, processed and transmitted digitally around the world. Neural Networks have been rapidly developed and researched as a solution to image processing tasks and channel error correction control. This paper presents a deep neural network (DNN) for gray image compression and a fault-tolerant transmission system with channel error-correction capabilities. First, a DNN implemented with the Levenberg-Marguardt learning algorithm is proposed for image compression. We demonstrate experimentally that our DNN not only provides better quality reconstructed images but also less computational capacity compared to DCT Zonal coding, DCT Threshold coding, Set Partitioning in Hierarchical Trees (SPIHT) and Gaussian Pyramid. Secondly, a DNN with improved channel error-correction rate is proposed. The experimental results indicate that our implemented network provides a superior error-correction ability by transmitting binary images over the noisy channel using Hamming and Repeat-Accumulate coding. Meanwhile, the network's storage requirement is 64 times less than the Hamming coding and 62 times less than the Repeat-Accumulate coding.
机译:每天,世界各地都会以数字方式存储,处理和传输大量信息。作为解决图像处理任务和通道纠错控制的解决方案,神经网络已经得到快速发展和研究。本文提出了一种用于灰度图像压缩的深度神经网络(DNN)和具有通道纠错功能的容错传输系统。首先,提出了用Levenberg-Marguardt学习算法实现的DNN用于图像压缩。我们通过实验证明,与DCT区域编码,DCT阈值编码,分层树中的集划分(SPIHT)和高斯金字塔相比,我们的DNN不仅提供了质量更高的重建图像,而且计算量也更少。其次,提出了一种具有改进的信道纠错率的DNN。实验结果表明,我们实现的网络通过使用Hamming和Repeat-Accumulate编码在嘈杂的信道上传输二进制图像来提供出色的纠错能力。同时,网络的存储要求比汉明编码少64倍,比重复累积编码少62倍。

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