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- This is a fractal image that looks like a bridge or a piece of architecture. 这是好象是一座桥或者一块建筑的一个不规则碎片形形象。
- Fractal image coding is a very promising image compression technique. 在现有的图像压缩方法中,分形图像压缩编码是一种很有前途的编码方法。
- Abstract: A fractal image coding method based on quadtree(FICBQ) is presented. 摘 要: 提出了一种分形图像编码的方法--基于四叉树的分形图像编码(FICBQ)方法。
- Quadtree partitions are often used in fractal image compression to achieve variable bit rates. 为了得到可变的位率,在分形图像压缩中经常采用四叉树分割方法。
- The purpose of fractal image compression is to gain a good IFS whose attractor is similar to original image. 分形图像压缩的最终目的是要获得一个较好的IFS,使它的吸引子与原始图像尽可能的相似,可以把这个搜索问题看成是一个优化过程。
- DAVIS G. A wavelet-based analysis of fractal image compression[J]. IEEE Transaction on Image Pressing, Feb 1998. 张宣;陈刚.;基于金字塔正交小波分解的快速分形图像编码[J]
- The Jacquin algorithm of fractal image coding is modified according to the modern optimization theory.The aim is to reduce the coding time. 本文采用现代优化算法对分形图像压缩编码的简库恩算法进行改进,以期达到在不降低分形编码峰值信噪比和压缩比的前提下使编码时间减少的目的。
- We use the orbit trap tracing, color palette and layering technique to produce 3D fractal image which has a fascinated appearance. 我们采用轨迹井跟踪、调色板和图层技术来生成这类具有艺术感染力的3D分形图像,并且生成算法简单、快速。
- This paper presents adaptive variable coordinate techniques on the basis of anal yszing image transform, fractal image compression and vector quantification. 在对图像变换编码和分形图像压缩编码、量量化等的分析的基础上,提出自适应可变坐标压缩算法。
- This paper deals with the fractal image coding methods with a detailed analysis ofthe principle of the coding method based on Iterated Function Systems. 本文讨论分形图象编码方法,在深入分析迭代函数系统编码方法原理的基础上,给出一种基于三级四分树的自适应分割迭代函数系统编码算法。
- We propose a new method of simplifying the set of Domain Blocks in the study of the fractal image compression method based on the iterated function system( IFS). 探讨了基于迭代函数系统的分形图像压缩方法,提出了一种精简范畴块集合的新方法。
- We propose a new method of simplifying the set of Domain Blocks in the study of the fractal image compression method based on the iterated function system (IFS). 探讨了基于迭代函数系统的分形图像压缩方法,提出了一种精简范畴块集合的新方法。
- In the field of fractal image coding,classic theory of quadtree and different kinds of modified algorithms are used,promoting the accuracy of the coding. 摘要 在分形图像编码领域,四叉树经典理论及各种各样的改进算法越来越多地被运用,不断地提升编码方法的正确性。
- The method of fractal image compression transfers a digital into a group ofcontract iterate function system (IFS) model.Encoding IFS's parametersachieves image compression. 分形图象压缩方法是根据图象的自相似性,将一幅数字图象转化为一组收缩的迭代函数系统模型,通过对迭代函数系统参数编码达到图象压缩的目的。
- The method of fractal image compression transfers a digital into a group of contract iterate function system (IPS) model.Encoding IFS"s parameters achieves image compression. 分形图象压缩方法是根据图象的自相似性,将一幅数字图象转化为一组收缩的迭代函数系统模型,通过对迭代函数系统参数编码达到图象压缩的目的。
- Fractal image coding is a new kind of image coding method developed in recent years, it is a novel technique of image compression based on contractive affine transformation. 分形图像编码是近几年发展起来的一种新的图像编码方法,是基于图像收缩仿射变换在图像压缩领域应用的一门新技术。
- This paper presents adaptive variable coordinate techniques on the basis of anal yszing image transform,fractal image compression and vector quantification. 在对图像变换编码和分形图像压缩编码、矢量量化等的分析的基础上,提出自适应可变坐标压缩算法。
- The normal methods of translation, rotating and scaling can not be applied to the affine transform of fractal images. 通常分形图不能用常规的平移、旋转和比例变换方法来进行仿射变换。
- For this reason, the compression algorithm in this paper corrects the defect of using variable fractal compression dictionary that was designed by Barnsley to realize fractal image compression coding. 因此 ;本文使用的压缩方法改变了由通常设计的分形图像压缩编码方法以变化的压缩编码字典进行编码的缺点 .