High-speed strip steel surface image acquiring and image processing apparatus and method thereof

An image processing device and surface image technology, which is applied to closed-circuit television systems, optical testing flaws/defects, etc., can solve the problem of not retrieving the image processing device, etc., and achieve real-time image processing and reduce stress.

Active Publication Date: 2015-12-09
BAOSHAN IRON & STEEL CO LTD
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Problems solved by technology

[0003] Existing patent documents were searched, but no documents directly aimed at the special image processing device for high-speed strip surface quality inspection technology were retrieved

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  • High-speed strip steel surface image acquiring and image processing apparatus and method thereof
  • High-speed strip steel surface image acquiring and image processing apparatus and method thereof
  • High-speed strip steel surface image acquiring and image processing apparatus and method thereof

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] see figure 1 , a high-speed steel strip surface image acquisition and image processing device, comprising: an input and output interface module 11, a speed signal integration module 12, an image acquisition interface module 13 and an image processing module 14;

[0030] The input and output interface module 11 includes: first, four standard CamLink interfaces 111 or a standard Gigabit network interface 112 are configured to realize the connection with the image sensor and realize the transmission of image data and image acquisition control signals. The image sensor in this article mainly refers to the camera, and the two can be used in common. Second, configure the I / O interface 113 to realize the connection with the on-site production signal, receive the production speed signal and the steel coil splitting signal, and transmit the sign...

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Abstract

The invention discloses a high-speed strip steel surface image acquiring and image processing apparatus and a method thereof. The input-output interface module (11) of the apparatus comprises a plurality of standard interfaces (111) or a standard network interface (112) for realizing connection with an image sensor, and an I/O interface (113) for realizing signal connection with onsite production and transmitting a signal to a speed signal integration module; the speed signal integration module (12) is used for carrying out frequency division or grouping of a production speed signal, and triggering a camera to acquire an image under speed pulse interval; an image acquisition interface module (13) receives image data output by the image sensor according to the interface protocol of the camera and accepts a signal output by the speed signal integration module; and an image processing module (14) is used for processing the image data transmitted by the image acquisition interface module, completes real-time abnormal image filtration and abnormal area detection functions, and outputs the surface image of abnormal strip steel through a standard network interface (114).

Description

technical field [0001] The invention relates to the field of machine vision detection, in particular to the field of on-line detection of the surface quality of strips by machine vision. Background technique [0002] The strip steel surface defect detection system uses images as the basic medium to collect, transmit and analyze images, calculate and evaluate the status of strip steel surface quality, and can generate quantitative and textual quality reports. With the continuous improvement of customers' requirements on the surface quality of strip steel and the continuous increase of production speed of strip steel (the maximum speed of cold rolling line reaches 1800 m / min), high-speed and fine imaging lead to a sharp increase in the amount of image data. While the key imaging devices can gradually increase the image acquisition speed, the inspection system is facing serious challenges in the transmission and processing capabilities of high-speed and massive image data. In ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88H04N7/18
Inventor 杨水山王康健何永辉宗德祥彭铁根石桂芬梁爽
Owner BAOSHAN IRON & STEEL CO LTD
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