Method and system for detecting bill pasting area, detection equipment and storage device
A technology for detecting areas and regions, which is applied in the field of image detection, can solve problems such as loss, time consumption, missed detection, etc., and achieve the effect of improving the accuracy of judgment, preventing abnormal collection, and improving accuracy
Pending Publication Date: 2021-08-13
SHENZHEN YIHUA COMP +2
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Problems solved by technology
Based on full-frame pasting detection, first of all, it consumes a lot of time, and the pasting detection of non-element areas has no detection significance. Secondly, full-frame detection will inevitably have more interference. The binarization method is not easy to design, and in order to be compatible with these interferences, It will inevitably reduce the sensitivity of the paste algorithm, therefore, it is very likely to cause missed detection, resulting in losses
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0029] see figure 1 , figure 1 It is a schematic flow chart of the first embodiment of the method for detecting the bill pasting area provided by the present invention. The method for detecting the sticking area of the bill provided by the present invention comprises the following steps:
[0030] S101: Obtain a visible light detection image and an infrared perspective detection image of a preset detection area of a target detection ticket.
[0031] In a sp...
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The invention discloses a method for detecting a bill pasting area, and the method comprises the steps: carrying out the gray processing of an infrared perspective detection image and a visible light detection image, and obtaining an infrared perspective gray image and a visible light gray image; obtaining an infrared perspective gray value of each pixel, and calculating an infrared perspective gray average value and an infrared perspective gray threshold value; if the infrared perspective gray threshold value is greater than or equal to the infrared perspective gray average value, obtaining an infrared perspective binary image according to the infrared perspective gray threshold value; obtaining a visible light gray value of each pixel of the visible light gray image, calculating a visible light gray threshold value of the visible light gray image according to the visible light gray value, obtaining a visible light binary image according to the visible light gray threshold value, when the difference degree of the infrared perspective binary image and the visible light binary image is larger than or equal to a preset difference threshold value, determining that the pasting area exists. According to the invention, the accuracy of judging whether the bill has the pasting area can be improved.
Description
technical field [0001] The invention relates to the technical field of image detection, in particular to a method, a system, a detection device and a storage device for detecting a bill sticking area. Background technique [0002] Existing bill pasting detection algorithms are generally based on full-frame pasting detection, and usually only use infrared Figure 1 image of a light source. Based on full-frame pasting detection, first of all, it consumes a lot of time, and the pasting detection of non-element areas has no detection significance. Secondly, full-frame detection will inevitably have more interference. The binarization method is not easy to design, and in order to be compatible with these interferences, It will inevitably reduce the sensitivity of the pasting algorithm, therefore, it is very likely to cause missed detection, thereby causing losses. Contents of the invention [0003] The invention proposes a method, a system, a detection device and a storage dev...
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IPC IPC(8): G06K9/20G06K9/38G06T5/30G06T7/90
CPCG06T5/30G06T7/90G06T2207/10048G06T2207/10024G06V10/22G06V10/28
Inventor 张姣姣
Owner SHENZHEN YIHUA COMP