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Surgical instrument sorting is a repetitive work with a high risk of infection, which requires medical staffs to classify them after cleaning. Currently, the surgical instrument sorting is usually accomplished by medical staffs' manual operation. It is a time costing work, which may cause operators' fatigue even classification errors. Meanwhile, surgical instruments are relatively sharp and often...
Since the spot is elliptical when the cylindrical laser comes to the spatial plane, it proves that the laser spots in the CCD images, which are acquired by binocular stereo vision, are also elliptical. Through image edge extraction in image processing, it can obtain space equations of imaging ellipse edge by least square ellipse fitting, which can be transformed into the standard ellipse equations...
When the cylindrical laser lights up the spatial plane, the shape of the laser spot(SLS) is elliptical. The SLS images on the CCD plane by binocular stereo vision are also elliptical. Five independent parameters are obtained according to the principle of least square ellipse. The relationship between spatial plane and elliptical parameters is established. With the use of SWIFT (Sequential Weight Increasing...
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