Articles by Inder Kohli

Vision & Sensors - 101

Who Needs Frame Grabbers, Anyway?

Originally developed to acquire raw images from analog machine vision cameras, frame grabbers were once expected to be replaced by direct-to-PC technologies. Experience has, however, been otherwise.

Frame grabbers were developed in the early days of machine vision to provide a connection from analog cameras providing NTSC and PAL output signals to minicomputers requiring digital signals placed directly on data buses for digital memory storage.


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Vision & Sensors: Frame Grabbers and Imaging Boards: Machine Vision Still Needs Frame Grabbers

Despite much industry speculation about their imminent demise, frame grabbers remain an important component of machine vision systems.
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Charles J. Hellier has been active in the technology of nondestructive testing and related quality and inspection fields since 1957. Here he talks with Quality's managing editor, Michelle Bangert, about the importance of training.
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2014 December

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