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压缩迭代     
相关语句
  contraction iteration
     Some properties of super contraction iteration in 3N+1 conjecture
     3N+1猜想的超级压缩迭代性质
短句来源
     Same-flowing numbers and super contraction iteration in 3N+1 conjecture
     3N+1猜想中同汇性研究和超级压缩迭代
短句来源
     In researching of 3N+1 conjecture,by useing operator of dividing even factor,this paper provided the concept of super contraction and series of iteration super contraction iteration,which greatly increased iteration velocity in comparison with former contraction iteration.
     在3N+1猜想的研究中,运用去偶算子提出了超级压缩迭代概念,建立了超级压缩迭代轨迹序列,与原有的压缩迭代相比大大提高了迭代速度;
短句来源
     The concept of same-flowing numbers in 3N+1 conjecture was given. Some definitions and theories were set up. Research into contraction iteration of odd numbers 2a+1(a∈N_d) could be converted to research into Syracuse order of odd numbers a and contraction iteration simplified.
     给出了关于 3N +1猜想中的同汇概念 ,建立了相关的几个定义及定理 ,这些定理的建立在对研究奇数2a +1(a∈Nd)的压缩迭代时可以转化为研究奇数a的首席叙拉古阶 ,从而在研究这一类奇数的压缩迭代时起到简化作用 .
短句来源
     The concept of super contraction iteration and term formula of x was given.
     并给出超级压缩迭代概念及超级压缩迭代下的x的项公式
短句来源
更多       
  contractible iteration
     Contractible iteration for the 3N+1 conjecture
     3N+1猜想的压缩迭代及t_a(n)与t_c(n)的关系
短句来源
     The concept of contractible iteration for the 3N+ 1 conjecture was presented.
     提出了 3N + 1猜想的压缩迭代 ,给出了该迭代下的某些结果 .
短句来源
  compressive iteration
     Compressive Iteration for the 3N+1 Conjecture
     3N+1猜想的压缩迭代
短句来源
     The concept of compressive iteration for the 3N+1 conjecture is presented.
     提出了压缩迭代; 给出了该迭代下的某些结果:关于3N+1猜想的等价命题;
短句来源
  “压缩迭代”译为未确定词的双语例句
     ON THE ESTIMATE FOR L~2-DIMENSION OF THE INVARIANT MEASURE IN SYSTEMS WHICH CONTRACT-ON-AVERAGE
     某些平均压缩迭代函数系的不变测度的L~2维数的估计
短句来源
     The generalization of 3N+1 conjecture and these newly obtained properties not only simplify the operation about 4K+3-odd numbers in 3N+3 conjecture but also provide new way in researching of 3N+1 conjecture.
     3N+1猜想的推广、3N+3猜想的一些性质的建立对于研究4K+3型奇数在3N+3猜想压缩迭代中起到简化作用,同时也为3N+1猜想的研究提供了新思路.
短句来源
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Presents a new and approximate fractal image coding by different grey levels because the compression time of fractal coding algorithm is very long and precise control is divided by cutting image. In addition, some beneficial research with respect to its feasibility in compression theory are also discussed. At the same time, the new following proof of existing a set of fractal compression mappings to reconstruct the original image is given: giving an arbitrary original image, we can always find a set of compression...

Presents a new and approximate fractal image coding by different grey levels because the compression time of fractal coding algorithm is very long and precise control is divided by cutting image. In addition, some beneficial research with respect to its feasibility in compression theory are also discussed. At the same time, the new following proof of existing a set of fractal compression mappings to reconstruct the original image is given: giving an arbitrary original image, we can always find a set of compression mappings, so that the image can be reconstructed from an arbitrary image. Based on the new compression idea, a concrete algorithm of realizing fractal image coding is designed by the paper. The experimental results prove that the new algorithm can improve compression ratio while reducing encoding time.

针对分形编码算法编码时间太长、精度控制需要细分等缺点提出对编码图像进行分级逼近的新的分形编码算法.对这一思想的可行性在理论上进行了有益的探索,给出了该算法成立的理论基础,并得出了任给一图像,都可以找出一组压缩变换,使得从任意图像出发,经该组变换压缩迭代后重构原始图像的新的构造性证明.给出一个新的具体实现分形编码的算法.实验表明,在提高压缩比和图像恢复质量的同时,运算时间也大大缩短

In this paper,a fractal image coding approach based on non linear transforms is proposed The non linear transforms satisfy a theory of contractive iterated image transformations Simulation results show that this proposed approach can improve bit rate and peak signal noise ratio(PSNR)by comparing with a traditional fractal image coding method

提出了一种基于非线性变换的分形图像压缩编码方法。证明了引入的非线性变换满足压缩迭代映射理论。模拟实验的结果表明 ,与传统的分形图像压缩编码方法相比 ,压缩比和峰值信噪比均有所改善。

The concept of compressive iteration for the 3N+1 conjecture is presented. Some results of compressive iteration are given.Which are some equivalence propositions for the 3N+1 conjecture, sequence of Syracuse order, proof of term formula of n, and some theories about ta(n) = tc(n).

提出了压缩迭代;给出了该迭代下的某些结果:关于3N+1猜想的等价命题;叙拉古阶序列;n的项公式及证明;关于系数停止次数tc(n)与ta(n)足够停止次数相等的几个定理.

 
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