Computer vision inspection technology-based method for rapid detection and extraction of two-dimensional code

Abstract

The invention relates to a computer vision inspection technology-based method for rapid detection and extraction of a two-dimensional code. After a computer receives a video signal of a digital camera, control light compensation equipment and acousto-optic prompting equipment control a scanning range; according to texture information in a block processing image, a two-dimensional code intelligentdetection and extraction module that is installed inside the computer detects a two-dimensional code graph that possibly exists in the texture information; a multiresolution adaptive segmentation strategy is employed to extract a two-dimensional code graph and the segmented image is transmitted to a subsequent scanning localization and decoding module; if identification is successful, the user isprompted. According to the invention, rapid detection is carried out according to a texture feature of a two-dimensional code and a rapid method for accurate segmentation is used. Moreover, the provided method has the following characteristics that: a complex illumination situation can be adapted; costs are low; there is no complicated mechanical device that easily causes faults; an existing intelligent device can be effectively utilized; and existing functions can be expanded by utilizing an algorithm module.

Description

technical field [0001] The invention belongs to the method of two-dimensional barcode automatic detection and graphic segmentation based on video technology, which can reduce the dependence of two-dimensional code recognition equipment on ambient light or supplementary light conditions, and can quickly detect whether there is Two-dimensional codes exist, and effective two-dimensional code graphics are quickly segmented. Background technique [0002] Social development has promoted the extensive demand and rapid progress of the Internet of Things technology. Among them, the two-dimensional barcode is the key technology in the field of the Internet of Things, and it is the information medium between people, goods and smart devices such as computers. Compared with other identification methods, barcode technology has the advantages of low cost, convenient use, and high reliability. Under the rapidly developing social needs, the traditional one-dimensional barcode has great limi...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for fast detection and extraction of two-dimensional codes based on computer vision detection technology to solve the problems of detecting two-dimensional codes and segmenting two-dimensional code graphics in complex imaging environments

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