arithmetic n. 1.算术,算法;计算。 2.算术书。 I challenge your arithmetic. 你的算法靠不住。 mental arithmetic 心算。 arithmetic device 运算装置,运算器。 arithmetic speed 运算速度。
code n. 1.法典;法规。 2.规则,准则;(社会、阶级等的)惯例,习俗,制度。 3.(电)码,代码,密码,暗码;代号,略号,暗号。 4.【生物学】遗传(密)码。 the civil [criminal] code民[刑]法典。 the moral code道德准则。 code of signals 信号密码(本)。 code of the school 校规。 code and conventions 规章制度。 C- Napoléon 拿破仑法典。 C- of Hammurabi (古代巴比伦的)汉穆拉比法典。 code of honour 社会礼法;决斗惯例。 code of written law 成文法典。 the International Code 国际电码。 the Morse code 摩尔斯电码。 vt. 1.把…编成法典[法规]。 2.把…译成[编成]电码;编(码);译(码)。 n. -r 【自动化】编码装置;【电讯】记发器。
Context based adaptive arithmetic coding is used in the last part of the encoding process as the entropy coding . the mq coder is adopted in jpeg2000 与其它的熵编码方法相比,算术编码能够取得更好的压缩效果,但它算法复杂,运算量相对增加。
At first , theories and methods about coding are systematically reviewed from the viewpoint of information theory and the arithmetic coding is discussed in detail 然后从信息论的角度对信息编码理论进行了总结,回顾了目前常用的各种编码方法,并对算术编码进行了详细的讨论。
Based on the rate - distortion rule , it is found that the fractal coding is for subtree , while the non - coding is for zerotree , and arithmetic coding is for the use of the rest part 利用率失真原则找出适合于分形编码的小波树,对其进行分形编码;而对于零树不作编码;其余部分进行算术编码。
3 ) furtherly , an entropy encoder can compress the quantified values losslessly , and give a better overall compression result , too . in this paper , a new adaptive arithmetic coding scheme is given 3 )在熵编码阶段,比较了huffman编码和算术编码的优缺点,最后选取了一种自适应的算术编码方案。
Context - based adaptive binary arithmetic coding ( cabac ) has been a normative scheme of entropy coding in video coding standards such as h . 264 , avs , for its excellent coding efficiency 基于上下文的自适应二进制算术编码( cabac )以其高效的编码优势,被h . 264 、 avs等视频标准纷纷采用,成为主要的熵编码方案。
Firstly , four alternative mode was introduces for h . 263 data compress arithmetic : the mode of nonrestrictive sportive vector , syntax - based arithmetic coding mode , the mode of supernal forecast , and the mode of pb frame 首先详细介绍了数据压缩算法h . 263以及h . 263算法的四个可选模式:非限制运动矢量模式;基于语法的算术编码模式;高级预测模式; pb帧模式。
Proposing to adaptively encode run length with 3 symbol ' s arithmetic coding in term of it ' s binary form , which can be generalize any codec using run length . hereby , bdrl is realized to form embedded bitstream 与一些流行的性能优秀的小波编码器相比,对于文中的一些测试图像,在各个比特率时mcgsd的效果都是最好的,峰值信噪比( psnr )值都是最高的。
Furthermore , this paper also includes my two results of some basic data compression techniques . one is a rapid algorithm of binary block arithmetic coding ; the other is an analysis of the performance of polynomial predictors 此外,本文还涵括了本人关于压缩技术中一些基本问题的相关结果,包括二值分组算术编码快速算法的设计和多项式预测器的性能分析两部分。
So there ’ s a great correlation among the second bitplane . so we offered a new arithmetic coding scheme in which the design of context models is based on level and bitplane . considering the difference between luma and chroma coefficients , we will make it separately 由于abslevel = 1的高概率出现,使得第二位平面具有很大的相关性,因此文中算术编码的上下文模型的设计方案主要基于level值和bitplane 。