A method for batch reading object information and precise positioning

Abstract

The invention relates to a method for batch reading object information and precise positioning. The system performs initialization settings, establishes a corresponding rectangular coordinate system according to the type of carrying container transported by the system, and stores the coordinate groups in the rectangular coordinate system to a database; the system At the key nodes, obtain the relevant barcode image information through the image acquisition device and upload it to the image processing system; determine the type of container and correspond to the Cartesian coordinate group stored in the database; correspond the Cartesian coordinate value to the barcode image information; After the binarization process, the image is decoded; if the decoding is successful, the decoded barcode and the corresponding Cartesian coordinate value are stored in the database, otherwise it is stored in the abnormal database, and the abnormal data is analyzed. The invention improves the reading accuracy rate in the batch reading process of barcodes, realizes the precise positioning of the position of the measuring instrument in the turnover box, and realizes the refined management of the measuring assets.

Description

technical field [0001] The invention relates to the field of reading barcode information by image processing technology, in particular to a method for batch reading object information and precise positioning. Background technique [0002] Bar code technology is a kind of automatic identification technology produced and developed in the practice of computer application in the 20th century. It is a comprehensive technology integrating bar code theory, photoelectric technology, computer technology, communication technology and bar code printing technology. Bar code technology is not only fast and accurate, but also can provide highly reliable data, and its bit error rate (when a set of data is recognized, the statistical probability that a wrong character may appear in it, usually expressed by SER) is less than one millionth , the first-read rate (when a set of data is recognized once, the statistical probability of one-time recognition success, commonly used as FRR) can reach ...

AI Technical Summary

Problems solved by technology

[0006] The one-dimensional barcode of the measuring instrument is installed on the upper surface of the meter, close to the lower third of the position. As the key information of asset management, the barcode is packaged under the plastic cover during the installation process of the measuring instrument to prevent the asset information from being defaced and destroyed. , lost, etc., the existence of plastic covers increases the difficulty of reading barcodes, because the plastic surface will cause problems such as reflections; the production process of barcodes for measuring instruments is also different. As far as the current application situation is concerned, there are a large number of barcodes with low contrast. ;Due to the two main problems mentioned above in the one-dimensional barcodes of measuring instruments in the power metering industry, in the case of using laser scanners, problems such as missed readings and misreadings often occur, making asset management information correct Sexuality cannot be guaranteed, causing huge economic losses

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