Bamboo piece defect detection method and bamboo piece defect detection system

A defect detection and bamboo block technology, applied in character and pattern recognition, image data processing, instruments, etc., can solve problems such as inconsistent judgment standards and low efficiency, and achieve accurate results, improve production efficiency, and increase corporate profits.

Active Publication Date: 2017-05-10
GUANGXI NORMAL UNIV
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  • Abstract
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Problems solved by technology

[0003] However, at the present stage, the selection of bamboo pieces by mahjong mat manufacturers in the country...

Method used

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  • Bamboo piece defect detection method and bamboo piece defect detection system
  • Bamboo piece defect detection method and bamboo piece defect detection system
  • Bamboo piece defect detection method and bamboo piece defect detection system

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Embodiment Construction

[0054] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0055] Such as figure 1 as well as Figure 4-9 Shown, a kind of bamboo block defect detection method comprises the steps:

[0056] Step 1: utilize camera equipment to obtain bamboo block image;

[0057] Step 2: optimize the image quality of the bamboo block image;

[0058] Step 3: Use the principle of center of gravity to rotate the image of the bamboo block to a horizontal position;

[0059] Step 4: Determine whether the range of the rotated bamboo block image belongs to the preset region of interest ROI, if so, then cut the bamboo block image to a standardized size according to the preset image area standard value, otherwise the bamboo block image is not qualified results;

[0060] Step 5: Carry out prelimina...

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Abstract

The invention provides a bamboo piece defect detection method and a bamboo piece defect detection system. The method comprises the following steps: optimizing the quality of bamboo piece images collected; rotating the bamboo piece images to a horizontal position; cutting the bamboo piece images to a standard size; carrying out preliminary texture detection, contour defect detection and front and back detection on the bamboo piece images; carrying out depth texture identification through a support vector machine classifier; and finally, screening out qualified bamboo pieces. By implementing multiple detection steps on bamboo piece images and carrying out depth texture identification through the support vector machine classifier, qualified bamboo pieces are screened out. The result obtained is accurate. The production efficiency of mahjong mats can be improved, and the profit can be increased for enterprises.

Description

technical field [0001] The invention mainly relates to the field of defect detection of bamboo mats, in particular to a method and system for detecting defects of bamboo blocks. Background technique [0002] With the rise of the global low-carbon economy and the advocacy of the concept of "green, environmental protection and sustainable development", bamboo products are more and more favored by consumers all over the world. [0003] And the screening of the bamboo blocks of each mahjong mat manufacturer in the country at the present stage mainly relies on the judgment of the naked eye of the workman, which is inefficient and the judgment standard is not uniform. Therefore, it is very necessary to design a set of fast defect detection algorithm for bamboo blocks, which will help to improve the production efficiency of mahjong mats and increase the income of enterprises. Contents of the invention [0004] The technical problem to be solved by the present invention is to pro...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06K9/62G06T7/90G06T7/40G06T5/00
CPCG06T5/001G06T7/0008G06T2207/30161G06T2207/20032G06T2207/10004G06F18/2411
Inventor 宋树祥陈力能夏海英牟向伟
Owner GUANGXI NORMAL UNIV
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