视频矩阵

基于Internet的远程数字化视频矩阵的实现

The Realization of Remote Digital Video Matrix Based on Internet

基于PIC单片机的视频矩阵开关的设计

Design of Video Matrix Switcher Via Microchip PIC

运用Socket编程实现了客户端和服务器端的通信，通过访问服务器，客户端实现了对视频矩阵切换器的远程分布式控制和现场监控视频的实时再现。

The communication between client and server is built by programming with Socket . Accessing the server , the client can control the video-matrix-control remotely and distributively and real-time reappear the live video .

借助前文分析论述，本文重点阐述了嵌入式开发平台的搭建、视频矩阵系统命令解析的设计及基于QT的GUI界面设计。

Based on these analyses , this paper focuses on the setting up of embedded Development platform , design of the video matrix system command parsing , and QT-based GUI interface design .

然后，本文详细分析并设计了基于嵌入式Linux技术的数字视频矩阵系统的系统架构和功能实现方法，确定了本项目研究的视频矩阵系统需要完成的主要功能和实现策略。

Then , this paper specifically analyzed and designed the system architecture and function implementation of digital video matrix system method which is based on embedded Linux technology , identified the main function and implementation strategy that the video matrix system needed to complete in this program .

设计和实现一个可重排无阻塞的大规模视频矩阵切换网络.基于多级互连网络，以视频交叉点开关作为基本的交换模块，组成一个三级非对称Clos网络。

To design and realize a large scale video frequency switching network , which is rearrangeable and nonblocking , taking the video crosspoint switch as the basic switching unit , a three stage nonblocking Clos network was constructed , and the signal route was selected by a route table .

大规模视频矩阵切换网络的建构与实现

Construction and Realization of Large Scale Video Frequency Matrix Switching Network

256×16视频矩阵切换系统的设计

The Design of 256 × 16 Video Matrix Switching System

视频矩阵系统怎样实现字符叠加

How to Realize Characters Overlay of Video Matrix System

视频矩阵切换器的设计及应用

The design and application of video matrix multiplexer

该方案用于设计视频矩阵切换系统中已取得了良好的效果。

The scheme has been used in the design of video matrix switching system with good results .

本系统将各种视频矩阵控制协议进行封装后，普通用户可以使用统一界面进行控制。2、高质量的数字视频监控实现。

Ordinary users can use the same interface and control . Second , the system is a high quality digital video monitoring system .

文章最后给出了该系统的测试结果，从而证明了本论文所研究的数字视频矩阵系统具备运行可靠、性能优良等特点。

At last , the testing result of this system demonstrated the digital video matrix system with reliable operation and excellent performance Characteristics .

本系统主要有三个方面的特点：1、对多种模拟视频矩阵控制协议进行封装。

The main work includes the following three aspects : First , the system has a variety of analog video matrix control protocol encapsulation .

视频矩阵控制系统的软件也变得越来越复杂。目前，国内大多数矩阵控制系统都是通过单片机来实现。

The software of video matrix system is becoming more and more complex . Currently , most of the matrix control systems are achieved by microcontroller .

根据自控原理中的梅逊公式及网络理论，对视频矩阵复杂补偿网络进行了理论分析，得出了传递函数和群时延表示式。

Based on S.J Mason formula and network theory , theoretical analysis of complex video matrix compensation circuit is described in this paper . Formulas of transfer function and group delay / frequency characteristics are derived .

一种LED显示屏音视频切换矩阵设计

The Design of One Kind of Audio / Video Switch Matrix for LED Screen

PT2262/PT2272编解码IC在视频切换矩阵中的应用

The Application of PT2262 / PT2272 Coding and Decoding IC in Video Switching Matrix

本文提出了一种采用PC机、图像卡、视频切换矩阵及相应的网络技术构建视频监控网络系统的方案，并利用IP组播技术实现视频监控网络通信。

This paper design the video supervise and Control system by using the computer and the image _card and the video swich and network technology . Implemented the video supervise and control network communication based on IP multicast .

该方法通过特征提取来构造视频特征矩阵，经过SVD变换得到特征值矩阵，然后将特征值矩阵映射到向量空间，最后通过分析向量间的夹角来判断镜头的变化。

First , construct the video feature matrix and get the eigenvalue matrix through the transform of SVD . Second , map the eigenvalue matrix into vector space . Finally , detect the shot change by the angle of vectors .

同时设计开发视频切换矩阵及视频分配器等硬件设备。

Meanwhile , a video switch matrix and a video distributor are designed .

数字视频信号矩阵变换算法中的折衷处理

The compromise of the hardware algorithm for matrix transformation of digital video signals

描述了计算机插卡形式的通用视频切换矩阵的设计与实现。

A design and implementation of video switch array add in card is provided .

利用视频信号矩阵变换算法进行D/A信号转换，采用乘法器确定精度，从而得到矩阵变换电路运算精度与占用资源间的关系。

In this paper , D / A signal exchange is taken with algorithm of video signal matrix transformation . The accuracy is decided by multiplier , the relations between Calculation accuracy of matrix transformation and resource used are gained .

彩色视频的四维矩阵离散余弦变换编码

Color Video Coding via Four-dimensional Matrix DCT

断网同步功能保证在网络中断的情况下不丢失重要视频数据，矩阵输出功能使用户更方便的观看监控录像。

Net off synchronization to ensure interruption of the network is not the loss of essential video data , matrix output function allows users to more easily monitor the video viewing .

介绍了一种发电厂/变电站遥视系统的设计，整个系统是在传统监控组件的基础上，结合视频压缩、视频矩阵切换主机和画面分割器等一系列新技术开发而成。

The design of a remote monitoring system for power plant and substation is introduced , which is developed by using video frequency signal compression , matrix host computer and picture division device based on the traditional monitoring hardware .

视频智能检测技术在视频矩阵系统中的应用

Application of Video Intelligent Detecting Technology in the Video Matrix System

对系统实时性影响最大的是计算量最大的视频处理部分，其中涉及到视频解码、矩阵运算、去隔行及滤波去噪等。

The greatest impact on Real-time system is the part of video processing whose amount of computation is the biggest . It involves video decoding , matrix operation , de-interlacing and filtering denoising .

德州联通主会场的高清会议电视终端音视频接口连接至现有会场的外设设备调音台和视频矩阵，从而实现与原有高清会议电视系统互为主备用系统。

The HD meeting main TV terminal connects the audio and video interface to peripheral devices tuning up and video matrix , which is the standby system acting in cooperation with the existing hd meeting television system as the main system .