Detailed technical advantages of VGA card technology
For VGA signal acquisition, there are traditional two ways: convert the VGA video processing, but this will greatly reduce the picture quality;, or take a screen capture software on the computer screen the way for the collection, but this particular software must be installed before implementation, impact performance and can only be installed on the PC systems, special equipment for radar or powerless.
VGA card can capture VGA signals directly, you can input VGA video signal real-time capture and compression, and can be immediately displayed on one monitor while another one or even multiple devices VGA data without additional equipment. And unlike PCI capture cards, do not worry about excessive CPU consumption, audio and video signals are not synchronized, the signal acquisition effects, speed, quality and other issues, do not worry about signal acquisition card compatibility, scalability. With the continuous development of digital information, a lot of industry on the VGA signal acquisition rising demand, the face of the urgent needs of the market, depending on the image dimension VGA signal newly developed real-time capture and compression card, it can be real-time input VGA analog signal capture and compression , that is simultaneously displayed on one monitor to the VGA another device data, do not add additional equipment, both to ensure that the signal is continuous real-time, but also to ensure clarity without distortion, thus the perfect solution for real-time capture and compression VGA signal which a problem.
Precision VGA card has 24 high-precision A / D to VGA screen capture, thus ensuring that the height of the screen capture clear and vivid. Real-time VGA frame grabber for RGB signals in real-time sampling, to meet more than 25 frames per second real-time capture and compression. Wide VGA frame grabber sampling bandwidth can reach 600MHZ, supports VGA ~ UXGA VGA screen includes all the resolutions and refresh rates, maximum support 1024 × 768 × 85Hz, and has nothing to do with the displayed content, regardless of the display is video, text, images, web pages, can ensure that clear, consistent, stable, and thus satisfy the needs of users.
With the continuous development of information technology in healthcare in recent years, machine vision applications in the pharmaceutical industry has become increasingly widespread. Which machine vision VGA card capture card in the general increase on the basis of VGA and component inputs can capture VGA signal, standard and non-standard RGB component signal sources, etc., suitable for high-precision, high-resolution image capture, HD VGA Video image storage, coded transmission requirements. Therefore, it is used more and more fields, such as medical imaging workstation B ultrasound signal acquisition. Which uses an image capture device is developed and produced by Microvision MV-VGA200 capture card, capture resolution of 1024 x 768, refresh rate 60HZ. Collection of image detail is good, legible, high-contrast, easy to identify lesions doctors for large-screen display output rays and medical image processing and analysis.
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