Sensor makes transparent objects visible to robots

A new 3D measurement technique, developed by researchers at Fraunhofer IOF can detect objects with reflective or light-absorbing surfaces spatially and reliably for the first time. 

For this purpose, the system combines infrared laser projection and thermography: After locally heating up the object to be measured, two thermal imaging cameras determine the resulting temperature distribution on the object’s surface. 

Contrary to conventionally used sensors, the newly developed system does not require additional measurement aids or special, temporarily applied markings, for example in the form of (spray) paint.

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With its great flexibility and unprecedented versatility in the properties of the objects to be scanned, “Glass360Dgree” opens up completely new possibilities in the automation of industrial processes as well as in product design.