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777662-02

更新时间: 2022-12-19 10:20:30
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美国国家仪器公司 - NI 数码相机
页数 文件大小 规格书
6页 1024K
描述
Digital Camera Image Acquisition

777662-02 数据手册

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Digital Camera Image Acquisition  
NI PCI-1424, NI PCI-1422  
NI PCI-1424  
RS422, LVDS, or TTL area- and  
Operating Systems  
Windows XP/2000/Me/9x/NT  
line-scan camera compatibility  
Full 8-, 10-, 12-, 14-, 16-, 24-, and  
32-bit resolution (grayscale or color)  
50 MHz pixel clock rate with up to  
200 MB/s acquisition  
4 external TTL triggers (digital I/O lines)  
Recommended Software  
LabVIEW  
Measurement Studio  
NI Vision Development Module  
NI Vision Assistant  
Other Compatible Software  
NI PCI-1422  
RS422 or LVDS area- and line-scan  
camera compatibility  
Full 8-, 10-, 12-, 14-, and 16-bit  
ANSI C/C++  
Driver Software (included)  
NI Vision Acquisition Software  
resolution (grayscale or color)  
40 MHz pixel clock rate with up to  
80 MB/s acquisition  
4 external TTL triggers (digital I/O lines)  
Digital Cameras  
Overview and Applications  
Digital cameras have several advantages over analog cameras. During  
transmission, analog video is more susceptible to noise than digital video.  
Digitizing at the CCD camera, rather than at the image acquisition board,  
increases the signal-to-noise ratio, resulting in better accuracy. In addition,  
standard digital cameras now come with 10- to 12-bit gray levels of resolution.  
The higher resolution is often necessary in medical, machine vision, astronomy,  
and scientific imaging applications.  
The NI PCI-1424 is a digital camera image acquisition board for acquiring color  
and grayscale images and controlling digital cameras. Designed for high-speed,  
large-image, high-resolution digital image capture, the board can capture into  
onboard memory up to 32 bits of data at a clock speed of 50 MHz, for a total  
acquisition rate of 200 MB/s. Onboard memory (16 to 80 MB) gives you the  
flexibility to buffer images on the board for large-image capture and sustained  
real-time throughput. You can choose from two versions of the board – one  
compatible with digital cameras that use RS422 and another compatible with  
digital cameras that use LVDS.  
Easy Camera Configuration  
Configure digital image acquisition from your digital camera with  
NI Measurement & Automation Explorer (MAX), which is delivered with  
NI Vision Acquisition Software. This configuration utility is an interactive tool  
for setting up region of interest and camera control. Plus, you can use MAX to  
control the serial interface for communicating with the camera. Both the  
PCI-1422 and PCI-1424 use a 100-pin SCSI-type connector that you can easily  
cable to your specific camera. In addition, MAX includes specific camera setup  
files, so you can quickly configure your camera for acquisition. For a list of  
applicable cameras, visit ni.com/camera.  
The NI PCI-1422 is designed to acquire images from a wide range of digital  
cameras. These boards perform high-speed, large-image, high-resolution digital  
image capture and can capture up to 16 bits of data at a clock speed of 40 MHz  
for a total acquisition rate of 80 MB/s. Onboard memory (16 MB) gives you the  
flexibility to buffer images on the board for large-image capture and sustained  
real-time throughput. There are two versions of the board – one compatible  
with digital cameras that use RS422 signals and another compatible with  
digital cameras that use LVDS. The PCI-1422 is ideal for both industrial and  
scientific applications.  

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