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1、图像采集卡的基知础识介绍图像采集卡的基知础识介绍一、图像采集卡基本概念一、图像采集卡基本概念图像采集卡（图像采集卡（FrameGraber） 图像采集卡是图像采集部分和处理部分的接口。硬件上可理解为相机与计算机之间的接口，图像经过采样量化以后转换为数字图像并输入、储存到帧存储器的过程，叫做采集、数字化。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspos
2、e.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.一、图像采集卡基本概念一、图像采集卡基本概念分辨率分辨率 采集卡能支持的最大点阵反映了其分辨率的性能，即所能支持的相机最大分辨率。传输通道数传输通道数(Channel)采集卡同时对多个相机进行A/D转换的能力。如：2通道、4通道。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose
3、 Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Matrox 的的 Odyssey XA：独立四通道独立四通道一、图像采集卡基本概念一、图像采集卡基本概念Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation
4、 only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Matrox 的的 MeteorII/Multi-Channel：三通道三通道一、图像采集卡基本概念一、图像采集卡基本概念Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Creat
5、ed with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.传输速率：传输速率：指图像由采集卡到达内存的速度。一、图像采集卡基本概念一、图像采集卡基本概念总线类型PCIPCI-XPCI-E传输速度132MB/S512MB/S，1GB/S2.1GB/SEvaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Lt
6、d.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.图像格式（像素格式）图像格式（像素格式）黑白图像黑白图像：通常，图像灰度等级可分为256级，即以8位表示。在对图像灰度有更精确要求时，可用10位，12位等来表示。彩色图像彩色图像：彩色图像可由RGB(YUV)3种色彩组合而成。一、图像采集卡基本概念一、图像采集卡基本概念Evaluation only.Created with Aspose.Slides for .N
7、ET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.MUX：通道选择Decoder：视频解码器A/DVRGB,YUVVIA：视频接口芯片 BridgeControls一、图像采集卡基本概念一、图像采集卡基本概念图像采集卡基本结构硬件图Evaluation only.Created with A
8、spose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.图像采集卡附加功能v触发功能 (Trigger)v灯源控制功能 (Strobe)v基本I/O功能 (I/O)v相机复位功能 (Asynchronous Reset)v时序输出功能 (Timing Out)
9、v串口通讯功能 (RS232)v电源输出功能 (Power out)一、图像采集卡基本概念一、图像采集卡基本概念Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Matrox 的的 Odysse
10、y XA一、图像采集卡基本概念一、图像采集卡基本概念Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Matrox 的的 Odyssey XCL一、图像采集卡基本概念一、图像采集卡基本概念Eva
11、luation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.视野（FOV）或视场是相机及光学系统“看”到的真实世界的具体部分。CCD芯片将光能转化为电能。相机将此信息以模拟信号的格式输出至图像采集卡。A/D转换
12、器将模拟信号转换成8位（或多位）的数字信号。每个像素独立地把光强以灰度值（Gray Level）的形式表达。这些光强值从CCD芯片的矩阵中被转移存储在内存的矩阵数据结构中。 二、图像采集卡原理及过程二、图像采集卡原理及过程Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.
13、0.0.Copyright 2004-2011 Aspose Pty Ltd.模拟信号经A/D转换，传输至内存的图像相机“看”到的图像二、图像采集卡原理及过程二、图像采集卡原理及过程Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2
14、011 Aspose Pty Ltd.相机信号经采集卡进入计算机内存，表现为一个矩形区域，区域中的每一点的数值v黑白图像黑白图像灰度值（灰度值（Gray Level）某一点的灰度值，也是物理世界上这一点的光强弱信息的表示。三、视觉系统图像表达三、视觉系统图像表达Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5
15、 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.相机信号经采集卡进入计算机内存，表现为一个矩形区域，区域中的每一点的数值v黑白图像黑白图像灰度值（灰度值（Gray Level）灰度值为真实世界图像量化的表现方法。通常灰度值从最黑到最白为0255。光线进入CCD后，如果光强达到CCD感应的极限，此像素为纯白色。对应于内存中该像素灰度值为255。如果完全没有光线进入CCD像素，此像素为纯黑色。对应于内存中该像素灰度值为0。三、视觉系统图像表达三、视觉系统图像表达Evaluation only.Created with Aspos
16、e.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.相机信号经采集卡进入计算机内存，表现为一个矩形区域，区域中的每一点的数值v黑白图像黑白图像灰度值（灰度值（Gray Level）8bit10bit16bit三、视觉系统图像表达三、视觉系统图像表达Evaluati
17、on only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.相机信号经采集卡进入计算机内存，表现为一个矩形区域，区域中的每一点的数值v黑白图像黑白图像灰阶灰阶8bit：灰阶范围25610bit：灰阶范围1024灰阶越高图
18、像的细节更多，层次更分明。三、视觉系统图像表达三、视觉系统图像表达Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.由于windows目前的限制，能够显示的灰度最多为256个，显示10bit或更
19、高的灰度图像可以通过：v软件软件LUT的方式，和医疗影像中的窗宽窗位的概念类似v显示高显示高8位位的方式三、视觉系统图像表达三、视觉系统图像表达Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.
20、相机信号经采集卡进入计算机内存，表现为一个矩形区域，区域中的每一点的数值v彩色图像彩色图像RGB值值三、视觉系统图像表达三、视觉系统图像表达Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.依据
21、输入信号类型输入信号类型可以分为:v模拟图像采集卡v数字图像采集卡四、板卡分类四、板卡分类模拟图像采集卡Morphis数字图像采集卡Solios-XCLEvaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty
22、Ltd.依据功能功能可以区分为:v单纯功能的图像采集卡v集成图像处理功能的采集卡四、板卡分类四、板卡分类图像采集处理卡 Matrox的 Odyssey XCLEvaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose P
23、ty Ltd.传统图像采集卡(A/D转换)最终将被淘汰；CameraLink、Firewire(1394)、LVDS等数字接口采集卡已被广泛使用；智能相机(Smart Camera)会应用于工业现场控制与嵌入式系统；带网络接口(Gigabit Ethernet)的图像设备将成为主流；如：Pleora 公司数据采集盒 Basler 公司的 Scout-g 相机五、板卡硬件发展趋势五、板卡硬件发展趋势Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 A
24、spose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.标准信号(标准模拟信号)非标准彩色：NTSC/PAL黑白：RS170/CCIR非标准模拟信号数字：LVDS/1394/RS422/Camera Link/USB/GigaBit六、如何选用图像采集卡六、如何选用图像采集卡v依据信号标准信号标准可以分为: 视视频频信信号号分分类类Evaluation only.Created with Aspo
25、se.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 模拟信号模拟信号接口接口Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 200
26、4-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.标准制式PALCCIRNTSCRS170分辨率768*576640*480色制彩色黑白彩色黑白帧频(Hz)2530点频(MHz)14.7512.27行频(KHz)15.62515.74场频(Hz)5060 模拟信号模拟信号信号特征信号特征Evaluation only.Created with Aspose.Slides fo
27、r .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.vcomposite videovcomposite sync ( CS 或者或者 SYNC )vseparate sync ( HS/VS 或者或者 HD/VD ) 模拟信号模拟信号同步信号的同步信号的三种形式三种形式Evaluat
28、ion only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.HS/HD(Horizontalsynchronisation)VS/VD(Verticalsynchronisation)VoltageTimeHDVide
29、oVoltageTimeVDVideo 模拟信号模拟信号信号描述信号描述Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.帧帧(场场)特性：特性：v帧(场)同步(B)v帧(场)后肩(C)v帧(场
30、)有效信号(D)v帧(场)前肩(E) 模拟信号模拟信号信号描述信号描述 Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 模拟信号模拟信号信号描述信号描述行特性：行特性：v行同步(B)v行后肩
31、(C)v行有效信号(D)v行前肩(E)Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.vPLL（Phase Lock Loop )锁相环模式相机向采集卡提供A/D转换的时钟信号，此时钟信号来自
32、于相机输出的 Video 信号。vXTAL模式图像采集卡给相机提供 Pixel Clock 信号以及 HS/VS 信号， 并用提供的时钟信号作为A/D转换的时钟，但同步信号仍可用相机输出的 HS/VS。vVScan模式由相机向图像采集卡提供 Pixel Clock 信号，HS 和 VS信号。 模拟信号模拟信号三种模式三种模式Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created
33、 with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.v传统数字信号（传统数字信号（RS-422, LVDS)vCameraLinkvIEEE1394(Firewire)vUSBvGigabit Ethernet 数字信号数字信号接口接口Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Eva
34、luation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.规范化规范化规范化规范化速度速度速度速度适应性适应性适应性适应性CameraLinkChannelLinkLVDSRS-422GigEIEEE1394USB 数字信号数字信号接口接口Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011
35、 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.vLVDS 是一个低波动、差分I/O技术的高速接口。vLVDS采用很低的电压350mV降低了噪声，提高了速率，低辐射，低功耗0.93W，最重要的是差分信号可以使接收机滤除噪声。这是因为依靠同时用两根线来传信号，两条线的电压相反。通过两根线上的强度差来得到最终的数据。如果出现噪声，那么噪声会同时出现在这两根线上，而信号信息并不受其影响。因为
36、信号的抗噪声能力的提高，电压随之降低而速度得到提高。v每线对最大传输率为655Mb/s。 数字信号数字信号LVDSEvaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.优点：高速，可靠性高，传输距离
37、远，支持多相机连接。缺点：管脚定义不统一，兼容性差，电缆成本高。 数字信号数字信号LVDSEvaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.vDATA(8，10，12，14)：多通道数据输出例：
38、12位数据总线。 DATA 011是相机输出的、分别对应目标某个像元灰度的12位图像数据。vSTROBE/PLCK像元时钟信号。 STROBE是图像数据的像元时钟。它的频率与数据速率相同，即使数据无效， STROBE仍然连续交变。为了获得有效的图像数据，采集卡一般在FVAL和LVAL为高电平时，在STROBE的下降沿进行数据锁存。vFVAL帧同步信号。一般FVAL高电平表明相机正输出一帧有效数据。vLVAL行同步信号。当FVAL为高电平时， LVAL高电平表明相机正输出一个有效的像元行。 数字信号数字信号LVDSEvaluation only.Created with Aspose.Slide
39、s for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 数字信号数字信号CameraLinkv13对线（其中有 6线对数据线），使得接插件的尺寸更加的小巧。允许相机设计的体积更小。v更高的传输速率。采用Channel Link芯片组( 支持速率达2.3Gb/s )满足对数据传输速
40、率越来越高的要求。v集成有串口通讯协议。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.BaseMediumFull8-bit x 1-310-bit x 1-212-bit x 1-214-
41、bit x 116-bit x 1 24-bit RGB8-bit x 410-bit x 3-412-bit x 3-430-bit RGB36-bit RGB8-bit x 8 数字信号数字信号CameraLinkEvaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.
42、0.Copyright 2004-2011 Aspose Pty Ltd. 数字信号数字信号USBv接口是4芯，其中2根为电源线、2根为信号线，接口体积小，可热拔插，可真正实现即插即用，适合传送多媒体数据的传送模式，连接方便。vUSB 2.0向下兼容USB 1.1、USB 1.0，数据的传 输率可以达到120Mbps480Mbps。v传输距离短，0.6米。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluat
43、ion only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 数字信号数字信号IEEE1394v两种接口标准，一种是6针接口，另一种是4针接口。6针接口可以从端口获得电源，以给那些无法自己供电的产品提供电源。v1394A传输速率为 400Mb/s，1394B 可达 800Mb/s。v不需要控制器，可以实现对等传输，最大连线4.5米，大于4.5米可采用中继设备。v支持即插即用。它是目前唯一支持数字摄录机的总线。Evaluation only.C
44、reated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 数字信号数字信号Gigabit Ethernetv带宽可达到1000 Mbps，图像可以无损失实时传输。v最远可传输100米。v标准的网络连接器，电缆线成本低。v带宽易于升级，
45、包括10M,100M,1000M 等，在工业机器视觉中将被广泛应用。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 数字信号数字信号Gigabit EthernetEvaluation on
46、ly.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.GigE1394USBCameraLink带宽1000Mb/s125MBytes400Mb/s 50MBytes12Mb/s USB1 480Mb/s USB2 60MB
47、ytes2380Mb/s (base) 7140Mb/s (full) 890MBytes距离100m (无中继)No Limit (有中继)4.5m (无中继)72m (有中继)200m/1394B(有中继的情况下）5m (无中继)30m (有中继) CameraLink；1394-1394 采采集集卡卡选选择择的的主主要要因因素素六、如何选用图像采集卡六、如何选用图像采集卡要求相机与采集卡的视频信号类型一致Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004
48、-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.v数据采集能力数据采集能力(MHz)要求采集卡的数据采样频率大于或等于相机信号数据输出频率。采集卡的数据率必须满足的要求可按下式计算：Data Rate(Grabber)为采集卡的数据率；Data Rate(Camera)为相机的数据率；R为相机的分辨率； f为相机的帧频。 采采集集卡卡选选择择的的主主要要因因素素六、如何选用图
49、像采集卡六、如何选用图像采集卡模拟模拟 Data Rate (Grabber) 1.2R*f数字数字 Data Rate (Grabber) Data Rate (Camera)Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-201
50、1 Aspose Pty Ltd.v软件开发包(SDK)：稳定、简单、易用功能强大移植性好v技术支持能力（Support)：快速完成系统的开发便于系统的维护v品牌及产品线(Product Line)：保证采集卡的质量产品升级换代 采采集集卡卡选选择择的的其其它它因因素素六、如何选用图像采集卡六、如何选用图像采集卡Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with
51、Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Thankyouverymuchforyourattention!技术支持部技术支持部尤松玲尤松玲Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.结束语结束语谢谢大家聆听！谢谢大家聆听！56
