Curved surface QR code positioning method based on SSD network model

A positioning method and network model technology, applied in the field of image processing, can solve problems such as difficult to accurately locate the area where the QR code is located, and achieve the effects of strong feature learning ability, high positioning accuracy, and fast detection speed

Active Publication Date: 2020-09-11
SUN YAT SEN UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the existing QR code positioning method is difficult to accurately locate the area where the QR code is located in the image under the complex environment and the curved surface distortion of the QR code, the invention provides a curved surface QR code positioning based on the SSD network model method

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  • Curved surface QR code positioning method based on SSD network model
  • Curved surface QR code positioning method based on SSD network model
  • Curved surface QR code positioning method based on SSD network model

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Embodiment Construction

[0035] The accompanying drawings are for illustrative purposes only and cannot be construed as limiting the patent;

[0036] In order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product;

[0037] For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings.

[0038] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0039] A curved surface QR code positioning method based on SSD network model, such as figure 1 and 2 shown, including the following steps:

[0040] S1. Establish a surface QR code data set and preprocess it;

[0041] Since the surface QR code positioning method provided in this embodiment takes into account the influence of complex environmental factors, in this step, an image data set con...

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Abstract

The invention discloses a curved surface QR code positioning method based on an SSD network model. The method comprises: firstly establishing a curved surface QR code data set and preprocessing the curved surface QR code data set; building a PPN-SSD framework, enabling the PPN-SSD framework to take an Inception network as a basic network, and adding an auxiliary network layer to serve as a featureextraction layer and a classification layer of the network; performing model training by using a PPN-SSD framework to obtain a curved surface QR code positioning model; and positioning the curved surface QR code by using the trained curved surface QR code positioning model. According to the curved surface QR code positioning method in the complex environment, the problem that the curved surface QR code is difficult to position by the existing algorithm is solved, the influence of complex environment factors is considered, the positioning accuracy is high, the detection speed is high, and thereal-time detection of the curved surface QR code is realized.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a curved surface QR code positioning method based on an SSD network model. Background technique [0002] With the rapid development of information technology and the popularization of smart phones, the market application range of QR codes continues to expand and can be seen everywhere in our lives. These applications have improved the convenience of our lives, and are closely related to our lives and inseparable. However, due to the variety of application scenarios and different collection conditions of QR codes, the recognition process of QR codes is more complicated, and the traditional recognition methods can no longer meet the needs of people's production and life. Improvements to increase processing speed and recognition rate. [0003] The purpose of QR code positioning is to extract the area where the QR code is located as accurately as possible, which is the fir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/14G06N3/04G06N3/08
CPCG06K7/1443G06K7/1417G06N3/084G06N3/045
Inventor 谭洪舟罗焱陈荣军
Owner SUN YAT SEN UNIV
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