DB2's row compression, unlike Oracle's key compression, does not require keys to be specified.
DB2的行压缩不像Oracle的键压缩，它不需要指定键。
Based on the principle of MPEG-4 video compression, key compression methods and error resilient technologies used in MPEG-4 are introduced.
文章从MPEG - 4的视频压缩原理出发，介绍MPEG - 4中采用的主要压缩方法及抗误码技术。
Prefix compression is used on similar key values.
前缀压缩用于相似的键值。
Another key announcement was the release of fix pack UC4 for Informix 11.50, which includes data compression.
另一个重要的消息是，IBM发布了Informix 11.50的补丁包uc4，它包含数据压缩特性。
Data compression is a key problem in the applications of hyperspectral images.
数据压缩是高光谱图像处理应用中的一个关键问题。
Interframe prediction is key to video compression and can effectively eliminate the time redundancy of video coding, reduce coding rate and enhance coding efficiency.
帧间预测是视频压缩的关键技术之一，能有效消除视频编码中的时间冗余，降低编码码率，提高编码效率。
Therefore, the key problem is how to design a video compression algorithm aimed at network characteristics efficiently.
而其关键的问题是如何针对网络特点更有效地设计视频压缩算法。
The digital image compression technology, the key technology in the multimedia applications, the international standards and chips about compression are illustrated in this paper.
阐述了多媒体应用中的关键技术——数字图像压缩技术，及有关压缩的国际标准和芯片。
Marine black box provides the basis for analyzing and dealing with accidents, of which the key software is navigation data compression technique.
船用黑匣子为航运事故的分析及处理提供了依据，而航行数据压缩技术是其关键的软件。
Pulse compression technique includes two key techniques: the pulse compression signal generation and processing.
脉冲压缩技术包括脉压信号的产生和处理两个关键的技术。
Cancelling frame redundant through motion estimation and compensation is one of the key technique of the video image compression code.
通过运动估计与补偿技术去除帧间冗余是实现视频图像压缩的关键技术之一。
Video objects segmentation from video sequence is the key of implementing content-based compression coding method.
从视频序列中分割出视频对象是实现基于内容压缩编码方法的关键。
Digital video compression is a key technology in most multimedia applications.
数字视频压缩是多媒体应用中的关键技术。
Fast simulated annealing is used in calculating the key parameter of fractal interpolation function - vertical scaling factor, thus makes further improvement of data compression speed.
采用快速模拟退火算法来计算分形插值函数的关键参数——纵向比例因子，进一步加快了数据压缩的速度。
Image segmentation is a key basis of many higher level image processing activities such as visualization, compression, and image guided medical diagnoses.
图像分割是很多高级图像处理技术(如可视化、图像压缩、医学图像诊断等)的重要基础工作。
This paper puts forward a new random key encryption algorithm and a new compression algorithm, and gives the strict mathematical certification for this encryption algorithm.
提出一种随机公开密钥加密算法和一个压缩算法，并给出这个加密算法严格的数学证明。
Bit-rate control is a key topic in the constant bit - rate video compression coding system.
码率控制是恒定码率视频压缩编码系统的一个关键研究课题。
The key point in the multimedia network in campus is the application of the image compression and the image communication technology.
校园多媒体网络中关键是图像压缩和图像通信技术的应用。
Some key parameters such as gasoline vapor mole quality and compression factor, vapor pressure, and vapor-air diffusion coefficient were decided and recommended.
对汽油蒸气的一些关键物性参数，如油气摩尔质量、压缩因子、蒸气压及油气——空气扩散系数等给出了推荐值或计算式。
High quality, low bit rate image compression method is one of the key technologies to develop downhole video logging instrument.
高清晰度，低比特率的图像压缩技术是研究井下电视的关键技术之一。
This thesis analyzes stream media technology and video compression coding technology, then points out the key problems in networked multimedia application from many popular video transmission systems.
本文首先分析了网络多媒体应用中常用的流媒体技术，视频压缩编码技术。从当今流行的视频应用系统中指出视频应用的关键性问题。
The compression technology of hyperspectral image is a key problem to be solved in the storage and transportation of remote sensing data.
高光谱图像压缩技术是遥感数据存储和传输中的一个迫切需要解决的问题。
Some key techniques, such as video sampling, hard disk physical sector reading or writing, video compression and decompression, are discussed in detail.
讨论了视频采样、硬盘物理扇区读写、频数据压缩与解压缩等关键技术。
The compression of medical image series is very important in telemedicine. The motion estimation plays a key role in the video sequence compression.
医学图像序列压缩是远程医疗系统中的重要技术，而运动估计在视频序列压缩中起着关键作用。
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。
The applications of DVC in video compression and error-resilient video transmission are introduced and the advances in key techniques are reviewed.
介绍了分布式视频编码技术在视频压缩及容错视频传输中的应用，并对其中关键技术的最新研究进展进行了综述。
One of key factors to ensure the compression-sensibility stableness of CFRC is the dispersion of short carbon fiber (CF) in cement paste uniformly.
在CFRC的制备过程中，碳纤维的均匀分散是决定碳纤维水泥石及混凝土压敏稳定性的关键问题之一。
Dynamic alphabet is a fresh but key concept to the building of statistical model of text compression for any natural language of large alphabet set, such as Chinese.
动态字母表对于建立大字符集文种(如汉语)文本压缩的统计模型具有重要意义。
So the ISO referred the new still image compression standard: JPEG2000. This paper first introduced the theory of still picture standard JPEG2000 and discussed the key techniques .
为此，国际标准化组织（ISO）指定了新一代静止图像压缩标准：JPEG2000。该文首先阐述了JPEG2000图像编码系统的实现过程，对其中的关键技术做了详细描述。
So the ISO referred the new still image compression standard: JPEG2000. This paper first introduced the theory of still picture standard JPEG2000 and discussed the key techniques .
为此，国际标准化组织（ISO）指定了新一代静止图像压缩标准：JPEG2000。该文首先阐述了JPEG2000图像编码系统的实现过程，对其中的关键技术做了详细描述。
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