On line foreign matter distinguishing method for article inspection based on unit gradation uniformity
A technology for object detection and uniformity, applied in food science, applications, tobacco, etc., can solve problems such as easy misjudgment, and achieve the effects of easy implementation, improved correct recognition rate, and small amount of calculation
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[0034] Taking the identification of tobacco as an example, a specific embodiment of the present invention will be described below in conjunction with the accompanying drawings.
[0035] An image of a standard tobacco leaf such as figure 1 As shown, if there is a foreign matter with a similar color in the tobacco leaves, such as a yellow belt, the foreign matter-the image of the yellow belt is obviously different, such as figure 2 As shown, they can be identified according to the overall gray uniformity method of the unit.
[0036] combine Figure 5 and Figure 6 , the specific implementation of this method is as follows:
[0037] 1. Image capture: On the production line, when the tobacco leaf flow is conveyed to the back end of the conveyor belt, a high-speed airflow is generated by the starting device, and the tobacco leaf flow is coupled in the airflow and ejected at a high speed (about 5m / s). When the tobacco leaf flow is suspended in the air , two high-speed CCD line ...
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