H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/232 (2006.01) G01N 21/88 (2006.01) G01N 33/12 (2006.01) H04N 7/18 (2006.01)
Patent
CA 2227815
The present invention relates to an apparatus and method for the automated inspection of objects for the presence of visual anomalies. The apparatus includes a first wide angle camera for acquiring an image of the object, a processor for detecting targets and generating target location from the image of the object, a two axis post-objective scanner associated with a high resolution camera for directing target image to the high resolution camera. The scanner provides a mechanism for saccadic emulation in combination with a high resolution video camera, which can be synchronized to the frame rate of the video camera for rapid high resolution examination of an object. The method according to the present invention comprises the steps of: capturing an image of at least a portion of an object; identifying visual anomalies as targets and detecting any targets on the object; generating location data for a detected target; emulating saccadic niovement to selectively capture a high resolution image of a target; and generating an output for analysis. The apparatus and method are particularly suited for the automated detection of defects, in particular parasites, in fish fillets. It is an advantage of the present invention that post-objective scanning permits the camera to remain stationary, while only the mirrors are moved, to acquire high resolution data of substantially only the targets, resulting in increased speed and reduced processing time.
Hearn Paul
Hermanto Ivi
Reimer Ernest M.
Canpolar East Inc.
Mcfadden Fincham
Nordischer Maschinenbau Rud. Baader Gmbh & Co. Kg
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