视频数据

嵌入式TCP／IP网络实现视频数据传输。

Transmitting video data by embedded TCP / IP network .

运用FPGA进行实时视频数据预处理

Real-time Video Data Pretreatment With FPGA

基于P2P的校园网音/视频数据同步系统

Intranet synchronization system for video and audio based on P2P

VideoSendFilter负责对视频数据进行RTP封装并发送到网络；

Video send filter can encapsulate video data into RTP packets and then transmit them to IP network ;

PCI视频数据传输与驱动程序设计

Video Data Transmission on PCI and the Driver Design

基于SONY录像机的视频数据自动采集实现

Realization of automatic video data acquisition based on SONY cassette recorder

随着Internet和无线通信的飞速发展，人们在网络上实时获取图像和视频数据己经成为可能。

With the development of Internet and wireless , it is easier for people to obtain real-time image and video over networks , which generates the technology of streaming media .

集群式VOD系统的视频数据存储技术研究

The Study of the Technology for Video Data Storage Based on Clustered VOD System

一种基于RocketI／O的视频数据采集和高速串行传输系统的设计与实现

Design and Implementation of a system of video datum capture and high speed serial transmission based on Rocket I / O

在许多多媒体应用中，人们往往希望压缩的视频数据可以在DCT域上进行降低空间分辨率的处理。

Spatial resolution reduction of compressed video in the DCT domain are highly desirable in many multimedia applications .

视频数据的日益增加，应用也越来越广泛。现在，在数字图书馆、军事信息系统、Web信息环境、专业视频库等应用，需要对视频数据和视频信息进行组织和管理。

At present , we need to organize and manage video data and information in many fields , such as digital library , military information system , Web information system and video database etc.

其次，本文重点研究了级联会议中音视频数据的处理和切换逻辑，在研究现有MCU级联方法的基础上，提出了视频会议透明级联的方法。

Based on the study of present MCU cascade methods , the transparent cascade method for video conference is put forward .

基于局域网的H.263视频数据流的实时传输

Real-time transmission of H.263 video data stream based on local area network

本文亦根据上述算法，分别设计和实现了在C/S结构和P2P结构下的视频数据包的侦听和还原系统。

By using these algorithms , the thesis also proposes and implements a video data monitoring and rebuilding system in C / S and P2P model separately .

以达到在以太网环境下，充分利用网络带宽资源，满足视频数据无抖动的实时传输。（3）在Internet环境下，网络带宽不足仍然是视频工具的瓶颈问题。

In the scheme , the network bandwidth is used sufficiently and the video stream are transmit smoothly in real-time on Ethernet ( 3 ) The shortage of bandwidth is the bottleneck for video tool on Internet .

由于频域中DCT系数的强相关性和分形的高压缩性能，能够实现视频数据的高压缩。

Due to high potential relativity of DCT coefficients and big compression performance of fractal , high compression rate of video data can be realized .

在实际的研制过程中，利用CPLD的在系统可编程（ISP）技术和基于VHDL语言的可编程逻辑器件设计技术实现了视频数据采集卡的控制模块。

The control module of the video data acqusition card is implemented by using of the ISP technology of CPLD and VHDL programming technology .

并应用H.263压缩编解码算法对采集到的视频数据进行压缩，提高了视频传输效率。

We improved the efficiency of video transmission for adapting H.263 compression codec algorithm to compress the video data .

研究了基于光纤通道的LVDS视频数据传输系统接收端的功能测试方法和验证方法。

Fiber Channel based on the LVDS video data transmission system receiver function method and authentication method .

用UCI仿真数据集及真实视频数据进行实验，对比结果表明该算法能有效选取视频语义概念分类的重要特征，其综合性能较优。

The results of experiments comparing to other feature selection methods indicate the algorithm can effectively select features .

系统硬件部分实现视频数据采集功能，并将采集的数据送至USB控制器，再通过USB接口将数据传送给PC机。

The hardware of the system realizes video data acquisition function , which sends data to the USB controller , and then USB controller sends data to PC by USB interface . 3 .

该系统由以高速DSP为核心处理器，采用电擦写非易失性存储器（FlashMemory）为记录体，使用先进的运动图像压缩技术完成视频数据的记录工作。

High speed DSP device is used as the core processor of this prototype and FLASH memory is used as the storage device . Video data will be compressed using motion picture compression technology before they are stored .

为了更好的进行视频数据的版权保护，作者提出了一种基于MPEG-7轮廓描述编码的视频水印算法。

For the copyright protection of digital video , a novel video watermarking algorithm based on MPEG-7 contour description is proposed .

分析了以RTP包传输视频数据，并以RTCP包进行控制的传输机制。

This paper analyzes the transmission mechanism which uses RTP packet to transmit video media data and uses RTCP packet to control the transmission .

并按照ITUTH.263协议及相关标准实现了基于低比特流的视频数据压缩编码技术。

It is emphasized that video compression coding based on low bit rate stream with ITU_T H.263 agreement and related international standards is realized .

656的硬件接口可传输4路不同的CIF格式的视频数据流。FP-GA将4路视频数据流分离、插值生成D1（720×576像素）格式的数据输出给视频处理器。

FPGA is used to separate 4 channel digit video data flow and generate D1 ( 720 × 576 ) format digit video data flow for video encoder .

利用以NIOSii软核为核心的SOPC控制，将缓存中压缩好的视频数据通过网络传输到网络终端，从而实现网络远程视频监控。

Finally , the compressed video data are transmitted to network terminal by taking the Nios II as core in the SOPC system . So it can realize the function of network video monitor .

本课题使用EDMA（EnhanceDMA）实现视频数据的输入输出，设计了双缓冲视频数据输入输出方案；

EDMA ( Enhance DMA ) is used to realize input and output video data , and a scheme of two buffers is designed for input and output of video data in this paper .

阐述了创建带有采集设备的FilterGraph的方法、采用组播技术实现视频数据发送和接收的策略以及利用RTP协议实现网络实时传输的方案。

The method for creating a Filter Graph with the acquisition of equipment , the strategy of adopting multicast technology to send and receive video data and the scheme of realizing the real-time network transmission by using RTP protocol are analyzed in detail .

本方案采用的视频数据压缩标准为MPEG-4，由于前端网络摄像机采用专用视频压缩芯片硬件压缩，本文重点在于远程客户端软件对从网络接收到的MPEG-4格式的压缩视频流进行软件解码播放。

The system adopts MPEG-4 video compression standard . Because of hardware compression by video ASIC in network camera , this paper emphasizes the client software which decodes and plays the MPEG-4 video stream receiving from network .