How do you think the new GigE standards will influence the machine vision industry?
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There is, seemingly, a manufacturer producing a quality camera, whether CCD or CMOS, for every application. Imaging solutions are being found in almost every conceivable photonics area, from biomedical to military and aerospace, from the laboratory to homeland security.
While camera selection never has been greater and variable features such as speed, resolution and output requirements give the end user a wide variety of performance options from which to choose, one area is growing at a much slower pace. Color.
“While the machine vision industry has undergone some revolutionary changes in recent years, one area that continues to advance at a relatively slow pace is that of color machine vision,” says Robert Howison, Project Leader (OEM Custom Projects) at DALSA Corp., (Montreal). One of the historical reasons for its slow adoption has been that solving a MV problem with color always required more money and processing power than an equivalent monochrome solution.”
That situation, however, is beginning to change, he says, because the cost of MV hardware and software has dropped drastically bringing both monochrome and color solutions within the reach of OEMs who, just a few years ago, would have laughed at an MV sales representative.
According to the Automated Imaging Association (AIA), only about one-third of all machine vision cameras sold in North America are color, however inroads are being made, primarily because of technological advances. For example, today’s computers are able to process color’s much larger data signals much faster, sensor technology has improved and sensors are less expensive. Finally, many new sophisticated software algorithms have been developed.