Combined with various applications in image coding and compression, lifting scheme transform is compared with wavelet transform in both hard realization and computation burden.
结合图像压缩编码的具体应用,从硬件可实现性和计算量两个方面对比了提升框架变换和小波变换。
The image coding and compression technologies based on the JPEG2000 standard is studied in this article, which focus on region-of-interest (ROI) compression and EBCOT optimization algorithm.
本文主要基于JPEG2000标准来研究图像编码和压缩相关技术,其重点是感兴趣区域(ROI)的压缩和EBCOT算法的优化。
Based on linear prediction and arithmetic coding of hyperspectral image compression, and I hope useful for you.
一种基于线性预测和算术编码的高光谱图像压缩方法,希望对您有用。
Experimental results indicate that comparing to exhaustive search, the proposed method improves the coding speed and compression ratio greatly with slight quality degradation of decoded image.
实验结果表明,相对于全局搜索,所提方法大幅地提高了编码速度和压缩比,而解码质量只略有下降。
A system model of image sequence coding based on wavelet transform is established. Then a high data compression ratio is realized and satisfactorily reconstructed image can be obtained.
建立了基于小波变换的运动图像编码系统模型,实现了数据的高效压缩并得到了良好的恢复图像。
The experimental results show that the fixed compression dictionary can realize fractal image coding quickly and has some fractal image merit decoding.
实验结果表明,固定压缩字典能快速地实现分形图像的编码,并具有部分分形图像的解码优点。
The system structure and the basic idea of ship navigation image information recording, the coding principle and compression method of image information are introduced in the paper.
介绍船舶航行图像信息记录的系统构成、航行图像信息记录基本思路和图像信息编码原理及压缩方法。
This paper introduces some basic concepts of fractal geometry and fractal image compression, and also introduces some kinds of image compression coding method based on fractal.
本文介绍了分形几何和分形图像压缩的一些基本概念,以及以分形为基础的几种图像压缩编码方法。
The experiment results show that the fixed compression dictionary can carry out fractional image coding rapidly and has some fractional image advantages in decoding.
实验结果表明,固定压缩字典能快速地实现分形图像的编码,并具有部分分形图像的解码优点。
In order to improve the ratio of binary image compression, using top-dowm method of coding, bring forward a fractal image compression method based on isosceles right triangle, and simulated.
为了提高二值图像的压缩比,采用自顶向下的编码方法,提出一种基于等腰直角三角形的分形图像压缩算法,并进行仿真实验。
This paper first introduces the common image compression technology-Huffman coding and fractal coding, and then proposes some improvements.
本文通过介绍常见的图像压缩技术——哈夫曼编码和分形编码,提出了一些改进的方法。
The paper introduced the method to realize the image compression based on Integer Lapped Biorthogonal Transform(LBT) and the theory of coding as well as its hardware design.
介绍基于双正交整数叠式变换(LBT)的图像压缩及编码方法的原理,以及该系统的硬件设计。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
图像压缩是数字图像处理中最重要的关键技术之一,传统的图像压缩方法有预测编码、变换编码和矢量量化等。
Fractal image coding is one of researching focuses in image coding field at present. It is a kind of data compression technique with special advantages and a good developing future.
分形图像压缩编码是当今图像编码领域研究的热点之一,是一种具有独特优势且极有发展前途的数据压缩技术。
The paper introduces the reason of image compression and digital image compression and coding.
本文介绍了图像压缩的原因及数字图像压缩编码。
Fractal coding has been proved useful for image compression, and it is also proved effective for content-based image retrieval.
分形编码在图像压缩方面取得了很好的效果,同时也能够用于基于内容的图像检索。
Image compression coding includes loss compression coding and lossless compression coding.
图像压缩编码分为有损压缩编码和无损压缩编码。
In this paper, fractal image coding and fractal interpolation for image compression are studied at first.
本文首先研究了分形图象压缩编码和分形插值图象压缩方法。
A method is presented here for color image compression which is based on efficient combination of Block Truncation coding (BTC) and Principal Component Analysis (PCA).
本文提出的彩色图象压缩方法基于BTC(块截断编码)和PCA(主成分分析)的有效结合。
MPEG4 is a video coding technology with the characters of high compression ratio, low requirement for transmission bandwidth and high quality of image.
MPEG4是一种压缩率高、对传输带宽要求低、图像质量高的图象编码技术。
Finally, experiments have shown that it can accelerate the speed of coding greatly compared with the original approach of fractal image coding in similar PSNR and compression ratio.
实验结果表明,和原来的图像编码方法相比较,该方法在相近的峰值信噪比和压缩比的情况下,编码速度有所提高。
High speed and low bit rate coding is very important in dynamic image compression.
进行动态图像压缩时如何兼顾较高的编码速度与较低的码率成为编码的关键。
Multiwavelet possesses such very important properties in signal processing as orthogonality, symmetry, smoothness, and short support, which is specially applicable to image coding for compression.
多小波变换兼有对称性、正交性、光滑性和有限支撑等信号处理中的十分重要的性质,特别适用于图像的压缩编码。
For image sequence, this paper proposes a scheme of UAV image sequence compression and realizes it on base of the static image compression coding algorithm before.
序列图像压缩方面,在静态图像压缩算法基础上,提出并实现了一种基于小波的无人机序列图像压缩方案。
Then, the 9/7-F, 9/7-M and 5/3 wavelets which use generally in image compression, are selected for factoring them into lifting steps so as to study the coefficients coding.
并选择了9/7-F、9/7-M和5/3三种传统用于图像压缩的小波来用提升方法实现从整数到整数的小波,为后面进一步研究系数编码做好准备。
The thermal imaging theory and the characteristics of infrared image are analyzed in this dissertation. Based on it, a number of theoretic algorithms of infrared image compression coding are explored.
本文结合热成像技术原理对红外热图像的特征进行了分析,并在此基础上去探索红外图像压缩编码的理论算法。
The Method based on the DCT transformation has been the center technology for most of the digital image and video coding standards, since it features on good de-correlation and energy compression.
基于分块dct变换的编码方法,由于具有良好的去相关性和能量压缩特性,已经成为现有大多数图像和视频编码标准的核心技术。
This paper is introduced using MATLAB right image compression and coding.
本文就是介绍利用MATLAB实现对图像的压缩与编码。
This paper is introduced using MATLAB right image compression and coding.
本文就是介绍利用MATLAB实现对图像的压缩与编码。
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