lossy

Three lossy compression approaches using vector quantization are used to show the evaluation procedure.

以三种基于矢量量化有损压缩方案为例，说明了评估过程。

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Block truncation coding ( BTC) is an efficient and fast lossy image coding technique.

块截短编码（BTC）是一种快速有效的有损图像编码技术。

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Besides, the general variation principle was introduced to solve electromagnetic problem in lossy media.

同时由于广义变分概念的引入, 可使泛函的变分原理应用于有耗媒质电磁场问题.

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Asymptotic Solutions ol Transient Electromagnetic Waves in Lossy Media

有耗媒质中瞬态电磁波的渐近解

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The main contribution of this paper is as follows: 1. For IP-based low-power lossy network routing protocol RPL ( IPv6Routing Protocol for LLN), existing algorithms transmit a large number of redundant data, and waste limited node energy resources.

本文的主要贡献如下：1.对于基于IP的低功耗有损网络路由协议RPL（IPv6Routing Protocol for LLN），已有的组播路由算法存在大量冗余的数据传输，浪费节点有限的能量资源。

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DCT and RLE Mixed Lossy Compression of Gray Image Based on Matlab

基于Matlab的灰度图像DCT与RLE的混合有损压缩

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But, with the booming development of network and storage, the advantage of lossy compression is no longer attractive.

然而随着网络带宽和存储介质容量的增大，有损压缩的技术优势不再明显，而无损压缩反而能够以在无损情况下提供高采样率、高解析度音频信号的技术优势，越来越受到市场的青睐。

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In a general way, semantic compression belongs to the lossy compression, and grants the prescribed error bounds.

语义压缩一般属于有损压缩，即允许一定的误差存在。

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Research on transmission of fault recorder file based on lossy compression method and the selection of file transfer protocol

录波数据文件的有损压缩传送及文件传输协议的选择研究

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Fast Scattering Analysis of Lossy Material in Front Edge of Metal Wing

吸波结构前缘翼面散射的快速分析

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How do I handle lossless and lossy compression?

怎么处理无损压缩和有损压缩?

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First, the feasibility of remote image lossy compression is analysed.

首先分析了遥感图像有失真压缩的可行性；

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The trend in medical image compression isincreasingly toward lossy compression.

在分析对比了几种广泛实用的无损与有损压缩方法的基础上,针对医学图像有损压缩的总体趋势,提出 了 一种有损与无损方法相结合的、有较高保真度的压缩方法:分区压缩方法.

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Weighted Rate-Distortion Optimization for Set Partitioning in Hierarchical Trees ( SPIHT) is proposed for interferential hyperspectral image lossy compression.

提出采用不等权重的率失真优化截取SPIHT（Set partitioning in hierarchical trees）算法对干涉高光谱图像进行有损压缩。

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There are two parts: loseless compression and lossy compression.

分为两个部分: 无损压缩和有损压缩.

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As one method of image lossy compression vector quantization has great compression ratio.

作为图像有损压缩的方法之一,矢量量化的压缩比极大.

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Near lossless compression is a trade off between lossy compression and lossless compression.

近无损压缩是在无损压缩和有损压缩之间的一种折衷.

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Experiments showed when typical fingerprint image was compressed to 1/ 4~ 1/ 20 of its original size, the embedded watermark could be exactly extracted, and fingerprint recognition rate remained almost the same after lossy compression.

实验表明典型指纹图像压缩到1/4~1/20的时候，嵌入的水印能够无损提取，指纹图像虽不能完全恢复但识别率没有明显降低。

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Experiments show that this authentication algorithm can tolerate JPEG lossy compression to a certain extent, while it is sensitive to malicious tampers. And those blocks detected as manipulated can be localized accurately at 88 pixel block level.

实验证明，它可以在一定程度上容忍JPEG压缩，对篡改操作敏感，并可以在88像素块的量级上对篡改区域进行精确定位。

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However, it performs a little worse compared to the conventional Discrete Wavelet Transform ( DWT ) for lossy compression.

而在有损压缩方面, 其效果通常稍逊于传统的离散小波变换(DWT ).

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Vector quantization ( VQ ) is a popular lossy compression scheme widely used in multimedia data compressions.

矢量量化是一种常用有损压缩技术,被广泛地应用于多媒体数据压缩.

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In this paper, the phase term in the transfer function of lossy transmission lines is firstly modified, and a more accurate model is presented.

本文对有耗传输线系统函数的相位因子进行了修正，得出了更为精确的模型。

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Tzung-ruin Yeh Many lossy image compression algorithms have been developed for low bit rate applications.

人们已经发展出许多适用于低位元率应用的破坏性影像压缩演算法.

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A new method to reconstruct the lossy multi-layered media is presented by using a time domain signal flow graph technique.

借助于时域信号流图提出一种重建有耗多层媒质的新方法。

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Characteristics of the cavity-backed narrow slot antenna in a lossy medium

背腔式窄缝天线在有耗介质中的特性

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Generally , low reflectance within low frequency band is difficultly obtained by using ordinary lossy material.

在使用普通的损耗材料进行设计时, 很难在低频段获得较低的反射率.

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The Resources section provides some interesting statistics on FASP performance over traditional WAN, intercontinental transfers, and lossy satellite links.

参考资料部分提供在传统WAN、洲际传输和有损卫星链接中FASP性能相关的一些有趣统计信息。

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Propagation of electromagnetic waves in inhomogenous and lossy Reentry Plasma sheath layer

电磁波在非均匀有损耗再入等离子鞘层中的传播

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Optimization of Image Lossy Compression Based on Nonlinear Lifting Wavelet Transform

基于非线性提升小波的有损图像压缩及其优化

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The System Based on Hardware of Remote Sensing Wavelet Lossy Compression

基于硬件的遥感图像有损小波压缩系统

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