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Automotive glass inspection
LaVision

LaVision’s Automotive Imaging system combines automotive glass inspection with image quality testing of advanced driver assistance systems (ADAS) in an innovative way. The applied full-field imaging technique measures optical transmission distortion of windshields already installed on the car or on glass laboratory test benches. The whole-field imaging technique allows flexible fields of view and accurately measures the optical power of local distortions in milli-diopters with the highest spatial resolution. The diopter map of the driver’s viewing zone is captured as well as the ADAS camera view port with an adapted magnification for the highest resolution.

Compared with the established scanning moiré technology the applied background imaging technique is focused on a calibration target generated on a high-resolution wide-screen monitor. System setup is not critical for alignment, allowing fast installations at different measurement locations. The pattern of the calibration target is automatically switched for the different measurement options.

Mounted on a robotic arm and equipped with autofocus capability, the Automotive Imaging system is very flexible to use. Changing the test setup or focusing on localized details are easily achieved. Programmed sequences make any test scenario repeatable.

Furthermore, the same imaging system quantifies the image quality of the ADAS camera performance in terms of the modulation transfer function (MTF) line pair analysis, image contrast and brightness (transmission). Other image quality indicators can be added to the test sequence.

Booth 6022N


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