Universal detection method for steel coil code spraying identification
A general detection and steel coil technology, which is applied in the general detection field of steel coil coding recognition, can solve the problems of potential safety hazards and waste of labor costs, and achieve the effects of reducing labor costs, meeting the accuracy of recognition, and meeting the needs of on-site automation
Active Publication Date: 2021-05-18
北京科技大学设计研究院有限公司
View PDF4 Cites 2 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
This requires manual repeated checking, which is a waste of labor costs, and there are also potential safety hazards
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0024] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0025] The invention provides a general detection method for coding recognition of steel coils.
[0026] Such as figure 1 and figure 2 As shown, this method uses relatively cheap video surveillance cameras, graphics workstations and specific recognition algorithms to realize inkjet recognition and send it to the upper interface to realize steel coil tracking.
[0027] The specific steps are as follows:
[0028] (1) Place the infrared monitoring camera next to the steel coil transport roller, and the infrared monitoring camera is shooting the coding side of the steel coil to obtain the original collected image, and transmit it to the image processing workstation through the network for storage and detection;
[0029] (2) The recognition algorithm firs...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a universal detection method for steel coil code spraying identification, and belongs to the technical field of machine vision OCR detection. According to the method, an infrared monitoring camera, an image processing workstation and a specific detection and recognition algorithm are adopted to build an intelligent coil number recognition system, the detection algorithm comprises the steps that firstly, a steel coil area is obtained through a semantic segmentation model, straight lines are evenly radiated to the outer ring of a steel coil with the center of the steel coil as the reference, and gray level distribution of the corresponding straight lines is counted; an area with characters is intercepted by utilizing a threshold value, then deformation characters are converted into linear characters through conversion from a polar coordinate system to a rectangular coordinate system, subsequent processing is facilitated, a single anchor point detection mechanism is determined according to the consistency of the character sizes through an improved yo-v3 algorithm in the aspect of a character recognition algorithm, meanwhile, too large and too small target frames are removed, the detection speed can be increased, the recognition accuracy can be improved at the same time, the final recognition rate can reach 99% or above, and the automation requirement of a production line is met.
Description
technical field [0001] The invention relates to the technical field of machine vision OCR detection, in particular to a general detection method for coding recognition of steel coils. Background technique [0002] At present, steel mills are stepping up the process of promoting automated production lines to reduce repetitive labor and liberate productivity. In the post-processing of steel coils, such as leveling and cross-cutting, it is necessary to retrieve steel coils with specified coil numbers from the storage area for processing. In the past, most operations were to manually check the steel coil numbers, enter the numbers into the system, and then obtain them from the second level. Specific coil information. This requires continuous manual inspection, which is a waste of labor costs, and there are also potential safety hazards. The design method of the present invention adopts the image-based detection method of steel coil spraying, by identifying the steel coil numbe...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/18G06K9/20G06K9/32G06K9/34G06K9/62G06N3/04G06N3/08G06V30/224
CPCG06N3/04G06N3/08G06V30/224G06V10/22G06V20/62G06V30/153G06V10/267G06V30/10G06F18/24Y02P90/30
Inventor 吴昆鹏邓能辉杨朝霖石杰
Owner 北京科技大学设计研究院有限公司