Machine vision methods and apparatus

Details Machine vision methods and apparatus Machine vision methods and apparatus

H - Electricity

04

N

350/32, 349/47,

H04N 7/18 (2006.01) B07C 5/10 (2006.01) G06T 1/00 (2006.01)

Patent

CA 1245338

ABSTRACT A method of and apparatus for carrying out machine vision of an object for obtaining object data therefrom in which the object is illuminated by frequency swept ultrasonic stress wave energy from a transmitting and receiving transducer array, or by light energy from a source, reflected signals are received respectively by the array and an optical-electronic camera, respective images in terms of the data contained in these received signals are fed to a processor in which the data is analysed to make use of the best data derived from both sources of illumination and the resulting data compared with reference data to provide stimuli controlling a reject device and/or positional adjustment devices directing the array and/or the camera.

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