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。
Cancelling frame redundant through motion estimation and compensation is one of the key technique of the video image compression code.
水下视频图像压缩一直是有限带宽水声信道实时传输海量视频数据的关键技术之一。
Underwater video compression is one of the key technologies for transmitting massive amount of real-time video data via underwater acoustic channels with limited bandwidth.
近年来GPU逐渐被用于通用计算,将GPU用于视频图像压缩领域具有广阔的应用前景。
In recent years, GPU has been used for general purpose computation increasingly, the GPU for video compression has broad application prospects.
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。
A new type of video compression and storage system is studied for real-time storage of video and affixed information.
本文针对大量图像的传输和记录问题,设计了一种基于DSP的红外视频图像压缩系统,最终在汽车交通事故记录中得到应用。
Aiming at the transfer and memorizer problem of mass image, this thesis designs a video system of compressed image based on DSP, and the system is used in traffic accidents of vehicle.
我们采用基于DSP的视频图像压缩卡、RS- 485通信卡和上位机监控软件包构建了基于RS - 485总线的数字视频监控系统。
We constructed a RS-485 bus based digital video monitor system with a DSP based video-image compressing card, a RS-485 serial communication card and the monitor software pack for the master computer.
这幅由数张静态图像压缩合成的GIF格式文件(动态图像)是一部时长1分24秒的视频片段。
The GIF file, made by compressing several images into an animation, is part of a 1:24 long video.
不要对已经压缩的资源使用gzip,比如图像和视频。
Do not use gzip to compress resources that are already compressed, such as images and movies.
利用冗余压缩就能够显示出只有25%原始视频信息的图像。
By taking advantage of redundancy compression, it becomes possible to display an image with only 25 per cent of the original video information.
在对雷达记录仪采集的视频数据分析的基础上,提出了一种改进的基于零树编码的小波分解雷达图像压缩算法。
On the basis of analyzing video data acquisition from radar recording meter, an improved radar image compression algorithm, based on zero-tree coding wavelet decomposition, was proposed.
基于分块dct变换的编码方法,由于具有良好的去相关性和能量压缩特性,已经成为现有大多数图像和视频编码标准的核心技术。
The Method based on the DCT transformation has been the center technology for most of the digital image and video coding standards, since it features on good de-correlation and energy 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。
It is one of key technique of video analysis and motion predication in video compression.
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。
The theory of time-domain lapped transform and its application in image and video compression are considered in this paper.
讨论了基于MPEG - 4的嵌入式网络视频服务器的设计方案,包括图像压缩、存储方式、通信和操作系统。
This article discusses a design of an embedded video server system based on MPEG-4, including the image compress, storage architecture, communication system and operation system.
运动图像实时压缩编码和解压缩解码是高速无线视频传输系统的核心部分。
Motion picture's compress code and decompress decode in real time is the key part of highspeed wireless video transmission system.
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。
What the image video compression solves is reducing the data amount as possible while showing digital images.
目前,新一代的嵌入式网络视频监控系统更是集先进的图像压缩处理和网络通信技术于一体。
At present, the new generation of embedded network video monitoring system integrates advanced image compression processing and network communication technologies.
实验结果表明,这种算法能快速、高质量地压缩视频图像。
The experimental results show that this algorithm can quickly compress video image with high quality.
研究发现,基于空域运动补偿小波视频编码的相关帧丢帧补偿机制可以在很大程度上降低码率,提高压缩比,改善图像在极低码率传输中的质量。
Our study finds out that the compensatory system of relevant frame throwing frame can enhance the rate of compression and improve the quality of image transmitted by the lowest code rate.
实现了数字视频图像的采集、压缩及网络传输。
Digital video capture, data compression and network transmission were realized.
如何更有效的压缩遥感图像和视频,成为海洋物理学领域亟待解决的问题。
As an effective method, image data compression is paid great attention to by the researchers in the field of remote sensing.
雷达视频图像的压缩、传输、显示更新速度大幅度提高,可以在工程中采用。
The speed of compression, transmission and display update has been greatly improved. It can be applied in project.
最后,文章介绍了应用程序的开发环境,并根据任务需求,完成了侦察视频图像的压缩、传输和接收等应用程序的设计。
At last, the paper introduces environment for application development. According to the task requirement we give the applications' design for video's compression transmission and reception.
高精度的匹配和补偿可以减少预测误差,提高压缩视频图像的质量。
The prediction error can be decreased, incorporating with high accuracy estimation and compensation, and the quality of compressed video can be improved.
高精度的匹配和补偿可以减少预测误差,提高视频图像的压缩效果。
The prediction error can be decreased by incorporating high accuracy estimation and compensation, and the performance of compressed video can be improved.
根据室内单轴压缩试验视频图像对石灰岩局部化变形的数字特征进行分析。
The digital features of localized deformation of limestone are analyzed by using video images of uniaxial compression test.
为了更加有效的利用带宽和节约存储空间,往往需要对图像和视频进行有损压缩。
For sake of using bandwidth more effectively and saving the storage media, it is necessary to make lossy compression on image and video.
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。
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.
摘要:DCT变换以其优良特性被图像和视频的数据压缩编码所广泛采用。
Absrtact: for its fine performance, DCT transform is widely used in the compression and coding method of image and video data.
随着新的图像和视频压缩标准的施行,基于离散小波变换的数字水印技术成为研究的热点。
With the enforcement of the new compression standard of picture and video, the digital watermarking technology based on DWT are becoming the focus of the research of digital watermarking.
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