21 Feb '12, 10am

Better Cameras Simplify Machine Vision

Editor's Note: This is Part 2 of a two-part series on 3D machine vision. Part 1 can be found here . Manufacturers attain 3D results with various systems, including stereo cameras and "time-of-flight" techniques (which resolve distances based on the speed of light). The most common of these systems is vision triangulation, which uses multiple images from the cameras to determine the object's position in space and its 3D coordinates. "Triangulation systems are typically built on top of the same cameras that you'd use in 2D applications," says John Petry, vision software marketing manager for Cognex Corp. "But it involves a second step where you take the results from the cameras and combine them to determine your 3D pose." Increasingly, manufacturers are using such methods for applications that previously used visual inspection and mechanical methods. Aicon 3D developed a tub...

Full article: http://www.designnews.com/document.asp?doc_id=239394&f_sr...

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