English translation for "变长编码"
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- variable-length encoding
Related Translations:
不等长编码: variable length coding 等长编码: equal length coding 限定变长编码: restricted variable length code 有限变长编码: restricted variable length code 固定长编号法: fixed length numbering scheme 植物名实图考长编: lengthy compilation of plants with illustrations
- Example Sentences:
| 1. | 4 marpe d , schwarz h , wiegand t . context - based adaptive binary arithmetic coding in the h . 264 avc video compression standard . ieee trans
变长编码实现简单计算复杂性低，因此在视频编码标准及消费电子产品中被广泛采用。 | | 2. | Joint video team of iso iec jtc1 sc29 wg11 itu - t sg16 q . 6 doc . , klagenfurt , austria , july 2002 , jvt - d034 . 12 final draft of information technology - advanced coding of audio and video - part 2 : video
本文的基于上下文的变长编码方法c2dvlc获得了更高的编码效率，相比于mpeg - 2的2d - vlc熵编码器，在一些典型的高清标清测试序列上，编码效率平均提高0 . 34db ，与h . 264的cavlc相比，编码效率相当。 | | 3. | Based on the specialty of flexible processing enterprise , we designed and developed production planning system of processing err at last , a genetic algorithm based on variable length coding for the scroll cutting problem in production planning system is proposed
针对柔性流程企业生产计划的特点，设计实现流程erp的排产计划系统，并提出了一种基于变长编码遗传算法以解决生产计划中的纸卷切割问题。 | | 4. | Then some key techniques in mpeg - 2 and mpeg - 4 recommendations are studied and compared in detail , including motion estimation , motion compensation , discrete cosine transform , inverse discrete cosine transform , variable length coding and layered description of picture and code stream
然后深入研究了mpeg - 2建议的视频编码标准，包括ts流、 ps流、时钟恢复、视频与音频的同步、基于场的运动补偿、 dct及变长编码。 | | 5. | The characteristic of h . 264 standard can be concluded mainly into three aspects . it is more practicable , more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework . for example , it adds coding mode decision , multi frame prediction , context - based adaptive variable length coding ( cavlc ) , 4x4 integer transform , loopfilter , etc . the improvement in performance leads to higher computational complexity in the new standard
H . 264的技术特点可以归纳为三个方面，一是注重实用；二是注重对移动和ip网络的适应；三是在混合编码器的基本框架下，对其主要关键部件都做了重大改进，如多模式运动估计、帧内预测、多帧预测、基于内容的变长编码、 4 4二维整数变换等。 | | 6. | This paper first research on main technologies used by avs standard , which include prediction , transform , quantization , in - loop filter , and entropy encoding , and then focus on the 2d - vlc entropy coder of avs , which is context - based adaptive coder . this encoder operates on run - level pair , and it uses the type of current block and value of current coefficients to switch vlc code - table . these tables are designed according to the distribution of transformed coefficients , and this way is much better than using only one table to code all residual coefficients in one 8x8 block
本文首先详细研究了avs标准的核心技术,包括预测编码、变换量化、环路滤波器以及扫描和熵编码等,之后重点研究了avs标准中使用的基于上下文的2d - vlc变长编码方法,这种方法编码的是( run , level )数对,同时根据当前编码块的类型和残差系数这两种上下文信息来切换码表,这些码表是预先根据变换系数在不同位置的分布信息设计好的,这样要比只使用一个变长码表来编码块内所有位置上的残差系数的压缩效果要好得多。 | | 7. | This thesis is part of the project of national science foundation of china “ study on color video coding based on four - dimensional matrix ” . a multi - matrix theory model has been established in the project . and the color video is presented into a four dimensional matrix model and the four - dimensional discrete cosine transform ( 4d - mdct ) is applied to reduce the correlation between color components and adjacent pixels
将多个彩色视频帧构建在一个四维矩阵模型中进行运动补偿预测、四维矩阵离散余弦变换和矩阵量化,最后利用基于上下文的变长编码方法进行压缩,以全面去除彩色视频各象素之间、各彩色分量之间以及连续帧之间的相关性,从而实现高信噪比条件下的高倍压缩。 | | 8. | Recurring to resynchronization marker , data partitioning and rvlc , video files with errors are dealt with . the article codes and decodes video source files with errors , computing every algorithm ' s psnr , comparing video pictures " subjective and objective quality
运用重同步标志( resyncmarker ) 、数据分离( datapartitioning )和可逆变长编码( rvlc )对含错的视频文件分别做错误处理。以mpeg - 4错误恢复方法对糟糕视频源文件编码、解码，计算该算法的psnr ，比较视频帧的主客观质量。 |
- Similar Words：
- "变场" English translation, "变常眼" English translation, "变常眼测量器" English translation, "变常眼的" English translation, "变长" English translation, "变长度码" English translation, "变长记录" English translation, "变长栏" English translation, "变长码率" English translation, "变长石砂岩" English translation
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