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。
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。
In recent years, video compression, as an important branch of computer multimedia technology, is gradually becoming a hot research point.
近年来,视频压缩作为计算机多媒体技术的一个重要分支,正逐渐成为国内外研究的热点。
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。
The technical maturity of audio and video compression, real-time data transfer and network makes it possible to realize the multi-media correspondence on the IP network.
音视频压缩技术、实时数据传输及数据网络技术的成熟,使得在IP网络上实现多媒体通信成为可能。
Firstly, the video compression and MPEG-4 standard is introduced.
本文首先介绍了视频压缩及MPEG - 4标准。
Intra-and inter-frame redundancy of video sequence makes video compression possible.
视频序列帧内与帧间的冗余使得视频压缩成为可能。
Block-DCT-based video compression scheme has been used widely in digital video system.
基于分块dct的视频压缩方法在数字视频系统中得到了广泛的应用。
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。
This paper designs and realizes a low-bit video compression hardware platform based on DSP.
本文设计并实现了一个基于DSP的低比特率视频压缩硬件平台。
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。
Optimization of motion estimation algorithm is always hot issue in video compression codec field.
运动估计算法的优化一直是视频压缩编解的热点问题。
VP8 is an open source video compression format supported by a consortium of technology companies.
VP8是一个有几家公司联合支持的开源视频压缩格式。
Common algorithms and international standards on real time video compression are briefly explained.
从视频信号的特征出发,简要说明了实时视频压缩的常用算法及其国际标准。
The data flow scheme of the MPEG-4 video compression is optimized by utilizing the DSP's on-chip memory.
针对DSP片内资源特点设计了片内存储器数据分配方案,并根据该方案优化了MPEG 4视频压缩的数据流模式。
What the image video compression solves is reducing the data amount as possible while showing digital images.
图像视频压缩所解决的问题是尽量减少表示数字图像时所需的数据量。
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。
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。
A new type of video compression and storage system is studied for real-time storage of video and affixed information.
为解决便携式图像设备中视频数据和附加信息的实时存取问题,研究了一种新型视频图像压缩存储系统。
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。
According to the security of the scalable video stream, an integrated video compression-encryption scheme is proposed.
针对可伸缩性视频流的安全性问题,提出了一套完整的视频压缩加密的方案。
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。
To transmit video in real time in the network requires robust and wide bandwidth and efficient method of video compression.
实时视频网络传输需要稳定的、大的数据带宽和高效的视频压缩方法。
So the system can finish real-time video compression well and compression rate is high and the reconstruction image is clear.
系统很好地完成了视频图像的实时压缩,且压缩比高、重建图像质量好。
At last, this paper brings forward a design scheme for a real-time video compression system based on high-speed universal DSP.
最后,本文给出了基于高速通用DSP芯片的实时视频压缩系统的设计方案。
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。
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。
In this paper, motion estimation technology, as one of the significant issues to video compression encoding, is studied to increase coding speed.
本文针对影响视频压缩效率和速度瓶颈之一的“运动估计技术”展开研究。
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。
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。
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