In order to protect everyone's safety, security inspection machines are currently used in many places. Common places include train stations, bus stations, subway stations, and airports. In the end, what are the methods of image identification? How do you know that some items are dangerous? The following is simple and we introduce.
1, image monitoring method: It is through the X-ray perspective image configuration to determine the items, whether the object is suspicious depends mainly on the monitor or the image on the monitor, if there are unusual or irregular objects may be considered suspicious items, those can not If it is confirmed as a safe item, it needs to be carefully investigated and the image orientation can be analyzed as needed.
2. Restoration Judgment: Items in baggage may be disparate because of the different viewpoints placed on them, causing the objects to appear distorted in the X-ray image and may even be deformed.
3. Analytic Hierarchy Process (AHP): When investigating images of overlapping objects, they can be overlapped by overlapping marginal objects. After analyzing the colors and shapes in different levels, the original shape of objects can be identified.
4. Structure Judgment Method: General items have their own structure. After X-ray fluoroscopy, they find that some of them are missing. However, there are no more, such as no battery, no magnetic bar or no speaker in the radio. Highly alert.
5, the characteristics of the discriminating method: any object has its own specific external shape, security personnel should bear in mind the shape of various objects on the monitor, and then determine what kind of items, such as facial cleanser and hair gel showing the same color, but hair spray Above the launch button.
The above is a method for image recognition of security inspection machines. At present, many security inspection machines are generally combined with multiple identification methods, so that the accuracy of inspection is relatively high.
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