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An intelligent settlement method for dish recognition based on machine vision and neural network

A neural network and machine vision technology, applied in the field of digital image processing technology and deep learning, can solve the problems of high cost, low recognition rate, slow self-checkout speed, etc., achieve low additional cost, improve recognition rate, and comprehensive feature extraction Effect

Active Publication Date: 2020-03-24
广州市派客朴食信息科技有限责任公司
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Problems solved by technology

[0006] The invention provides an intelligent settlement method for dish recognition based on machine vision and neural network, aiming to solve the problems of slow self-checkout speed, low recognition rate and high cost

Method used

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  • An intelligent settlement method for dish recognition based on machine vision and neural network

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Embodiment Construction

[0018] Such as figure 1 As shown, an intelligent settlement method for dish recognition based on machine vision and neural network includes the following steps: S1, input of dish features; S2, detection of dish features; S3, recognition of dish objects; S4, according to The recognition result calculates the actual price.

[0019] The step S1 includes the following steps: S11, acquisition of dish images; S12, preprocessing of dish images; S13, extraction and storage of dish features, centering rotation of dish images after preprocessing, and multiple images obtained Angle samples, and extract composite features from the features of image edge strength, and store them in the system database. Wherein, the preprocessing in step S12 includes: gray scale conversion, filtering processing, edge feature extraction using Canny operator, image binarization and translation of dish images. Through pre-processing, the interference information such as light and background color in the dish...

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Abstract

The invention discloses an intelligent settlement system for dish recognition based on machine vision and neural network, comprising the following steps: S1, entry of dish characteristics; S2, detection of dish characteristics; S3, recognition of dish objects; S4, according to The recognition result calculates the actual price. Based on machine vision and neural network, the present invention obtains multi-angle feature information of the image, and then through the means of mapping, speeds up the speed of feature matching. Chip cutlery reduces costs.

Description

technical field [0001] The invention relates to digital image processing technology and deep learning technology, in particular to an intelligent settlement system that realizes dish recognition based on machine vision and neural network. Background technique [0002] With the development of society and the popularity of self-service, more and more restaurants have given up the inefficient traditional manual checkout and adopted the high-efficiency and low-cost self-checkout service. [0003] The Chinese invention patent with application number CN2017102765124 records a settlement system for smart restaurants based on machine vision. It reads the real-time video stream through the camera, the background program extracts key frames, and removes noise from the key frames, transforms them in grayscale, and blurs them. After Hough transform, the fuzzy neural network algorithm recognizes tableware with specific shapes and colors. The recognition rate of this method is greatly af...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/46
CPCG06V20/10G06V10/449
Inventor 陈晓鹏杨德顺
Owner 广州市派客朴食信息科技有限责任公司
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