Most of the bit-rate control schemes in video-compression standards are designed for medium and high bit - rate conditions, while do not work well for low bit-rate.
在大多数视频压缩标准中,码率控制方法都是针对中高码率情况而设计的,而在较低码率情况下的工作情况都不够理想。
Video compression technology is not only necessary but also feasible for the storage and transmission of multimedia information.
视频压缩技术对于多媒体信息的存储与传输而言不仅是必要的,而且是可行的。
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。
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。
Many results show a fact that, compared with traditional DCT transform, wavelet transform has a great advantage, and it will surely be broadly used in video compression.
文中的大量实验结果表明,小波变换同传统的DCT变换相比较有很大的优越性,在视频压缩中也必将取得更广泛的应用。
It is one of key technique of video analysis and motion predication in video compression.
在视频图像数据压缩技术中,视频分析及运动预测是其中的关键技术之一。
Video compression is a critical component of multimedia application systems.
视频压缩是多媒体应用系统中一个十分重要的组成部分。
In this paper, we introduce embedded video compression and decompression system based on a chip ADV202, focus on the design of the system hardware and software process.
本文介绍了一种基于ADV202芯片的嵌入式视频压缩和解压缩系统,重点讨论了系统硬件电路设计及软件流程设计。
For resolving the problem better, this paper presents an improved diamond search algorithm based on motion vector prediction, and it can efficiently improve the performance of video compression.
为更好的解决这一问题,论文提出一种基于预测性运动向量的菱形搜索方法,有效的提高了视频压缩的性能。
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。
Macro Block (MB) type judging algorithm is proposed based on MB′s space complexity. It reduces effectively the computational complexity of the video compression.
提出了基于宏块空间复杂度的宏块类型判断算法,有效地降低了视频压缩算法的计算复杂度。
The main target of video compression code is to limit the distortion of code under the condition of restricted rate.
视频压缩编码的主要目标就是在比特率受限条件下,尽量使编码失真最小。
Video compression is not only necessary but also possible.
视频压缩不仅是必要的,而且是可能的。
After video compression, storage will be more convenient, and does not affect the ultimate visual effects work.
视频经过压缩后,存储会更方便,且并不影响作品的最终视觉效果。
This paper introduces composition and function of one radar video compression transmission display system, and analyzes with emphasis the compression and decompression arithmetic.
介绍了某雷达视频压缩传输显示系统的组成和功能,并重点对其中的压缩和解压缩算法进行了分析。
In this paper we utilize parallel processing techniques to implement the fractal video compression algorithm to reduce the run time.
本文利用分布并行计算系统来实现分形视频压缩算法的分布并行化。
A series of video coding standards established by the international standardization organization make the application of video compression algorithms greatly successful.
由国际标准组织制定的一系列视频编解码标准使得视频压缩算法的应用获得巨大成功。
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。
Efficient video compression techniques are very important to the save and transmission of the increasing data in video processes.
有效的视频压缩编码技术对视频处理中大量数据的存储和传输来说是至关重要的。
In order to decrease the storage of the safety monitoring video data in coal mine, this paper presents two methods of video compression, which will greatly improve the compression radio of the videos.
为了减少煤矿安全监视视频数据存储量,文章提出了两种措施来进行视频数据压缩,这将大大提高视频的压缩比。
Cosine transform is widely adopted in image, video compression and pattern recognition.
余弦变换广泛应用于图像和视频的压缩编码以及模式识别之中。
The process of video files includes video compression, encryption, decryption and decompression.
对视频文件的处理包括视频压缩、加密、解密和解压缩等。
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。
This system had functions with video compression, decode, network transmission, image store, image index playback, long-range control of vidicon, PTZ control and voice frequency alarm.
该系统具有视频压缩、解码、网络传输、图像储存、图像索引回放、摄像机远程控制、云台控制和音频报警等功能。
The theory of time-domain lapped transform and its application in image and video compression are considered in this paper.
本文主要研究时域重叠变换理论及其在视频和图像压缩中的应用。
A reasonable control framework which brings no additional overhead is very important to implement the real-time video compression system.
一个可以保证系统控制开销很小的控制架构对于实现实时视频压缩系统来说很重要。
However, video streaming on Internet have some new challenges on video compression and network transmission.
然而,在互联网上进行流媒体传输,对视频压缩,网络传输等提出了新的挑战。
The segmentation of video is the basis of the video object extraction, processing and recognition. It is also the premise of the content-based video compression and retrieving.
视频序列分割是实现视频对象提取、处理和识别的基础,也是基于内容的视频压缩和检索的前提。
The segmentation of video is the basis of the video object extraction, processing and recognition. It is also the premise of the content-based video compression and retrieving.
视频序列分割是实现视频对象提取、处理和识别的基础,也是基于内容的视频压缩和检索的前提。
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