Method for automatic identifying steel slab coding and steel slab tracking system
An automatic identification and slab technology, applied in closed-circuit television systems, character and pattern recognition, television systems adapted to optical transmission, etc. Consistent information, no problems such as automatic tracking of steel slabs, etc., to achieve the effect of simple human-computer interface design, improved logistics management level, and convenient operation
Inactive Publication Date: 2012-09-12
CENT SOUTH UNIV
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Problems solved by technology
This semi-automatic steel slab tracking system cannot accurately and real-time track the condition of the slab sent from the converter plant to the hot rolling mill. The MES system does not perform real-time corrections for the information changes generated during the transfer process, making the information in the MES system consistent with the There are differences in the actual steel slab information, and the consistency between physical objects and information in the front and rear processes cannot be truly realized, and the automatic tracking of steel slabs in the first-level system has not been truly realized
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Embodiment 1
[0097] The slab automatic identification and tracking system based on the steel slab coded image in the present embodiment consists of a CCD camera 1, an optical transmitter 2, an optical receiver 3, a video distributor 4, a monitoring screen 5, a hard disk video recorder 6, and a collection card 7, industrial computer 8, display 9, and on-site PLC 10, such as figure 1 As shown, CCD camera 1 is responsible for shooting slab video. The optical transceiver is a device that converts optical signals and electrical signals. The optical transmitter 2 receives electrical signals and converts them into optical signals; the optical receiver 3 receives optical signals and converts them into electrical signals; the function is to convert video information into Optical information realizes video transmission through optical fiber, and optical fiber transmission has the advantages of low loss, anti-interference and large capacity, thereby reducing the loss of video signals, enhancing anti-...
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The invention discloses a method for automatic identifying steel slab coding and a steel slab tracking system. The method is characterized in that: from the starting of a first frame original image, automatic identification of slab coding is successively carried out on each frame of original image by the following steps: step 1, carrying out image preprocessing on the original image; step 2, carrying out binarization processing on the image after the preprocessing and carrying out slab coding detection and coding position positioning on an obtained binary image, wherein the slab coding detection and coding position positioning employ a projection processing method; and step 3, splitting the original image according to a boundary coordinate that is obtained by the coding position positioning to obtain a plurality of single character images and carrying out character identification on the each single character image, thereby completing slab coding identification on the original image ofthe current frame; and then returning to the step 1. According to the invention, the method for automatic identifying steel slab coding and the steel slab tracking system have characteristics of highautomation degree and high coding identification efficiency.
Description
technical field [0001] The invention relates to an automatic identification method for codes of iron and steel slabs and a tracking system for iron and steel slabs. Background technique [0002] With the development of industrial automation, in the iron and steel industry, enterprises have gradually increased the requirements for the automation level of logistics management. Steel slab information, that is, steel slab code, is important information for the logistics management and production process of iron and steel enterprises, usually using certain letters Or numbers and their combined codes indicate that automatic acquisition of steel slab information is of great significance for steel slab tracking in logistics management and enterprise automation and information production. Steel slab tracking means that the slab management information screen in the material module of the steelmaking side in the MES system automatically receives the slab cutting information and weighin...
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IPC IPC(8): G06K9/00G06K9/54H04N7/18H04N7/22
Inventor 安剑奇吴敏曹卫华何勇李勇王永波杜楠
Owner CENT SOUTH UNIV
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