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- This paper deals with the algorithms of still image compression with high fidelity, including embedded zerotree coding and JPEG2000. 本文主要研究高保真静止图象压缩算法,包括嵌入式零树编码算法和JPEG2000。
- Test results show that the modified embedded zerotree coding method is effective for power system malfunction data compression, and that the embedded property is very helpful for improving fault record performance. 仿真实验表明,改进后的嵌入式零树编码方法对电力系统故障数据压缩十分有效,并且其嵌入式的特性提高了故障录波器的性能。
- embedded zerotree coding 嵌入式零树编码
- In this paper, an improved image indexing technique based on embedded zerotree wavelet coding histogram is proposed. 本文提出一种改进的基于嵌入式零树小波编码直方图的图像检索技术。
- Embedded zerotree wavelet code (EZW) is one of the quite famous wavelet encoders, which was proposed by J. 嵌入零树小波编码(EZW)是比较著名的小波编码器之一,是J.
- An EEG Compression Algorithm Based on Embedded Zerotree Wavelet(EZW). 基于嵌入式零树编码(EZW)的脑电信号压缩算法
- By deliberately devising a binary image as the watermark, we introduced an error correcting code watermarking scheme, and applied it to the traditional embedded zerotree wavelet(EZW) watermarking algorithm. 通过对二值水印图像进行精心设计 ,引入纠错编码机制 ,并将其应用于传统的小波零树 (EZW )算法中。
- A new embedded zerotree wavelet based data compression method was proposed and applied to power system malfunction data compression. 摘要在小波包变换的基础上提出了一种新的基于嵌入式零树编码的数据压缩方法,并将其应用于电力系统故障数据压缩中。
- After introducing wavelet packet, a new method for data compression, based on embedded zerotree wavelet, is presented and applied to power system fault data compression. 在描述小波包变换的基础上,提出了一种由嵌入式零树编码算法改变而成的应用于电力系统一维故障数据压缩的压缩方法。
- However, the image codings have been advanced to a new stage since wavelet"s embedded zerotree and SPIHT are successfully applied, which give a stern test to conventional DCT coding. 但随着小波的嵌入式零树小波编码以及集合分裂等级树编码的成功应用,图像编码迎来了一个新的阶段,这显然对传统DCT编码提出了严峻考验。
- Considering pixels of different levels have different significance, we utilize improved embedded zerotree wavelet (EZW) to get multilevel thresholds quantization. 根据不同等级像素重要性不同的特性,采用改进的嵌入零树小波编码方法对预测结果进行多阈值量化。
- We propose an optimal vector zerotree coding scheme based on multiwavelet transform. 提出一种基于多小波变换的矢量量化零树编码方案。
- In this paper, a new method of image denoising is presented ,which is built upon the ideas of Embedded Zerotree Wavelet (EZW) encoder and separate character of signals and noises. 该文在自适应树小波萎缩法的基础上,结合小波系数的零树编码思想和小波变换的信噪分离特性给出了一种新的小波消噪算法。
- embedded zerotree wavelet coding 嵌入零树小波编码
- embedded zerotree wavelet(EZW) coding EZW编码
- By recombining the coefficients of WDFB, a novel image compression scheme is proposed;the scheme is similar to the listless zerotree coding(LZC). 通过WDFB系数的重新组合,提出一种新颖的图像压缩方案,该方案类似于无表零树编码(LZC)算法;
- Embedded Zerotree Wavelet coding( EZW) 零树编码
- Pre-processing was designed to mark the significance of all nodes and main-processing to finish listless zerotree coding. 预处理完成对所有节点显著性的标注,主处理完成无链表的零树编码。
- Methods:To apply the Embedded Zerotree Wavelet Encoding and improved EZW in this artical to compress medical image of CT and to provide a comprarative evaluation of the improved EZW with EZW. 方法:应用嵌入式零树小波编码算法及本文提出的对其改进算法对CT医学图像压缩,并进行分析和比较。
- This paper extends the image coding method based on fractal prediction of wavelet subtree coding and zerotree coding to color image coding, and encodes the color image in YUV space. 将小波零树的分形图像编码方法推广到彩色图像压缩中,并将彩色图像转换到亮度、色度(YUV)空间进行编码压缩。