数据压缩比

自适应二维行程编码扩展了基于线性四叉树的二维Morton行程编码，并具有更大的数据压缩比。

Adaptive 2D run-length coding is the expansion of 2D Morton run-lenght coding which is based on linear quadtree .

在相应的位面中对相关性高效编程，以获得极大的数据压缩比。

The correlation is efficiently encoded in appropriate bit-planes to achieve significant compression of data .

这种分形层次树结构是对原始地形的逼近表示，能够获得较高的数据压缩比。

The fractal hierarchical tree model approximates to the original terrain , thus the higher data compressed ratio could be achieved .

近似模型的优化使恢复图像的主客观质量显著提高，从而使整个方案在相同信噪比条件下具有更高的数据压缩比。

The above deformation of the triangular mesh is designed to keep the Delaunay properties in order to obtain good performance of coding efficiency and interpolated image quality .

因此，必须增大视频信息数据压缩比，提高通信信道的带宽，才能用较低的通信费用实现多媒体通信。

Therefore , we must increase the ratio of data compression of video information to improve the communication channel bandwidth in order to achieve a lower communication cost multimedia communications .

理论和实验证明：把图象的高频和低频分量分别编码可获得较大的数据压缩比和良好的图象质量。

It has been proved by theory and experiments that high data compression ratio and good image quality can be obtained by coding the high and low frequency component of the image respectively .

其中，基于对象的编码方法不仅能满足进一步获得更大的图像数据压缩比的要求，而且能够实现人机对话的功能，所以，我们认为它将是未来视频压缩编码的发展方向。

The coding method based on object , can not only satisfy the function that gets the requirement of larger image data compression ratio further and can realize man-machine interaction , so we think it will be future video compressed coding develop direction .

本文提出的压缩系统数据的压缩比提高到3.22。

In the data decompression system , the compression ratio increased to 3.22 .

实验证明，在医疗特征与波形保真度很高的情况下，TER＿DCT对ECG数据序列的压缩比可达15.2。

The experiment reveals that the compression ratio can reach 15.2 with high fidelity of medical feature and waveform .

内存中工作负载数据的平均压缩比

The average compression ratio of the in-memory data of the workload

本文通过对无损行程编码的研究与分析，提出了一种改进的无失真图像数据压缩算法，达到比RLE更理想的压缩比，对非二元序列数据和图像压缩处理起到很好的作用。

By researching and analyzing the RLE compression , an algorithm of improved RLE is present in this paper . Using it in image processing , a better data compression ratio will be got than original ones .

视频数据在获得高压缩比的同时也降低了码流的抗误码能力。

In this case , the video data obtain the high compression ratio , but also reduce the sensitivity of mistakes .

实验分析比较了PCAW算法与其它两种压缩算法在数据重构误差、数据压缩比、压缩耗时和解压耗时方面的表现。

The reconstruction error , data compression ratio , consumed compression time and consumed decompression time of the algorithm are analyzed and compared with two other compression algorithms through experiments .

MP3是MPEGAudioLayer-3的缩写，即MPEG第三层音频编码标准，使用MP3标准对音频数据编码既可以获得较大的音乐数据压缩比，又可以得到较好的音乐回放质量。

MP3 is short for MPEG Audio Layer-3 . We can obtain higher compression ratio of music data using MP3 technology , and at the same time we could receive good playback quality .

针对传统数据压缩算法在处理科学数据时，存在压缩比低、压缩与解压时间长的问题，本文对Rice数据压缩算法进行了研究。

There are some problems such as low compression ratio , expensive compression and decompression time spent and inapplicable to massive scientific data while the traditional data compression algorithm work on scientific data , so the thesis concentrates on a data compression algorithm Rice .

同时给出了基于这种格式的数据传输系统的基本结构，重点研究了阈值对数据压缩比和能量保持比的影响；

Presents the basic transmition system 's structure , emphasizes the effect of the threshold for the data compression and energy-keeping ratio .