A method for measuring the size of a box, a measuring device and an adhesive tape

Abstract

The invention provides a box body size measuring method and device, and an adhesive tape. The box body is provided with an adhesive tape which is wrapped in a preset mode, and the adhesive tape is printed with characteristic patterns which are continuously arranged. The measuring method comprises the steps of S1, acquiring the box body image of the box body in a preset direction, wherein the box body image comprises a plurality of characteristic patterns; S2, analyzing the box body image, and acquiring the coordinates of the center points of the plurality of characteristic patterns; S3. according to the coordinates of the center points of the characteristic patterns, calculating the first side length, the second side length and the third side length of the box body; and S4, according to the first edge length, the second edge length, and the third side length, calculating the size of the box body. According to the invention, the low-cost and high-precision size measurement of the box body is realized.

Description

technical field [0001] The invention relates to the field of visual inspection, in particular to a method for measuring the size of a box, a measuring device and an adhesive tape. Background technique [0002] Today, with the rapid development of the express delivery industry, there are a large number of express packages that need to be delivered. At present, the billing methods of express parcels are mainly divided into billing by weight or billing by volume. The volume and size of the package will be entered into the system following the tracking number information of the package to facilitate subsequent loading and inventory arrangements. Therefore, quickly calculating the volume of express packages has become a necessary technology. [0003] In the prior art, the calculation of the size of the object is to obtain the depth map containing the object to be measured through the depth camera, and then separate the object from the depth image according to the depth informat...

AI Technical Summary

Problems solved by technology

[0004] This method has the following disadvantages: 1. An additional depth camera needs to be installed, and the price of the depth camera is relatively expensive. If all express terminal devices are equipped with depth cameras, the cost will be very high

2. The depth camera needs to be adapted and connected to the processor (handheld terminal device or mobile phone), which is troublesome to realize the technology

3. At present, most depth cameras use structured light or TOF solutions. Structured light is easily interfered by strong light and cannot work outdoors. The accuracy of TOF cameras is inherently low, and the error is greater under the interference of strong outdoor light.

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