Advanced Imaging


Advanced Imaging Magazine

Updated: July 8th, 2008 05:26 PM CDT

Large Format and New Standards

Large-Format Imaging Roundtable and GigE Standards

By Keith Reid

This month’s cover probably caught your attention. No, we did not decide to do a takeoff on the Beatles’ “White Album.” Rather, our cover story concerns the shading issues that can occur with large-format imaging, where you have sensors that are outgrowing off-the-shelf optics. The result is a degradation of image quality that can impact applications in fields ranging from science to machine vision. Advanced Imaging held a roundtable discussion in May where we brought together various representatives from optics, sensors and cameras to continue earlier industry discussions about what needs to be done to address this issue including potential standards standpoint.

The Vision Show East, held in Boston May 9-11, showcased some of the latest and greatest technologies in machine vision. Of particular interest, was the premier of the new GigE Vision™ data path standard that the Automated Imaging Association has worked so hard on in recent years. More information can be found in this month’s news section and at the AIA Website.

In a nutshell, GigE Vision™ is a camera interface standard developed using the Gigabit Ethernet communication protocol. GigE Vision™ is the first standard to allow fast transfer (1000 Mbps) of data using low cost standard cables over very long lengths (up to 100 meters).

GigE Vision™ represents a potentially significant development. According to Paul Kellett, AIA’s Director of Market Analysis: ‘‘GigE camera sales represented just 0.7 percent of the market in 2005 and we forecast that to grow to 26.4 percent (or $34 million) in 2010.” As with any forecast, Kellett noted during a press briefing that a certain degree of speculation was involved in arriving at those numbers.

The primary competition to GigE will occur with FireWire, and it will likely be a stiff struggle.

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