Vending machine automatic demisting system and method based on image recognition

Abstract

The invention discloses a vending machine automatic demisting system and method based on image recognition. The vending machine automatic demisting system comprises a vending machine with a transparent glass cabinet door, a demisting heating device is arranged on the glass cabinet door of the vending machine, and a camera shooting device with a camera facing a video sensing area on the glass cabinet door is installed at the outer end of a shelf of the vending machine; a local control system connected with the camera shooting device and the demisting heating device is arranged in the vending machine. The local control system controls the camera shooting device to shoot a video sensing area image every a preset time, converts pixel points of each received video sensing area image into corresponding gray values and calculates the mean value of the gray values of the pixel points of each video sensing area image; if the mean value of the gray values of the pixel points is larger than or equal to a demisting threshold value, the demisting heating device is started, and if the mean value of the gray values of the pixel points is smaller than a demisting stopping threshold value, the demisting heating device is stopped from running.

Description

technical field [0001] The invention relates to an automatic vending machine, in particular to an automatic defogging system and method for an automatic vending machine based on image recognition. Background technique [0002] Vending machine shopping has become a development trend of new retail. [0003] At present, most of the vending machine containers use full-visible glass storage. The vending machine container is composed of multiple shelves, and each shelf is composed of multiple cargo lanes. The goods are placed on each cargo lane. This way allows users to see That is, it has been widely accepted by consumers. This method also provides an optional display advertising method for product manufacturers, and is also favored by product manufacturers and operators. [0004] At present, the commodities sold in vending machines include milk, beverages and other commodities. In order to provide a good storage environment for the commodities sold and give consumers a good tas...

AI Technical Summary

Problems solved by technology

[0009] According to the above-mentioned fogging principle, it can be seen that the fog water is formed on the outer surface of the glass. From the principle point of view, it seems that a hygrometer can be installed to detect whether to start the defogging basis, but in fact this method is not effective. On the one hand, The factor of fogging depends not only on the humidity, but also on the difference between the glass surface temperature and the ambient temperature. The third point, even if a hygrometer is installed, it can only be installed on the outer surface of the glass, which is easily damaged

Therefore, the method of using a hygrometer is not feasible

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