Attendance recording method

Abstract

The invention relates to an attendance recording method which comprises the following steps: miniature image encodings which are provided with different miniature image units and have a composite structure are respectively printed on the surfaces of a plurality of timecards; an optical module acquires an optical image of the surface of an object amplified in a micro mode, and an image sensor enables a digital image to be generated from the optical image; an image recognition processing unit examines whether the miniature image encoding exists in the digital image generated by the image sensor, if the miniature image encoding exists, the miniature image encoding is picked up and decoded into an information code which uniquely corresponds to the image recognition processing unit, and if the miniature image encoding does not exist, the image recognition processing unit waits for a new digital image transmitted by the image sensor; and a control module enables the information code acquired by the decoding of the image recognition processing unit to correspond to the current time and stores the information code as attendance information. The attendance recording method acquires the identity information of a user in such a way that the miniature image encoding printed on the surface of the timecard is directly read, thereby having the advantages of high recognition rate without inserting a card, and the like, and can record the attendance for lots of people in a short while.

Description

【Technical field】 [0001] The invention relates to a method for recording attendance, in particular to an attendance recording method for identifying identity and registering attendance through miniature image coding. 【Background technique】 [0002] In recent years, punch card machines have become more and more widely used. Every company is inseparable from the punch card machine, and the current attendance device mainly includes the traditional attendance device for recognizing paper punching and the magnetic card type attendance device for receiving IC card information. [0003] The traditional time attendance device that recognizes paper punching is to identify the person who punches the card by identifying the coded hole on the paper. On the paper used as the time card, the binary code is punched according to each unit and person. During the attendance check process, the The piece of paper is inserted into the attendance device with light-emitting diodes. Therefore, this...

AI Technical Summary

Problems solved by technology

[0003] The traditional time attendance device that recognizes paper punching is to identify the person who punches the card by identifying the coded hole on the paper. On the paper used as the time card, the binary code is punched according to each unit and person. During the attendance check process, the The piece of paper is inserted into the attendance device with light-emitting diodes. Therefore, this traditional attendance device is very time-consuming. Everyone needs to insert the piece of paper used as the time card into the attendance device to identify the code hole. The number of people who record attendance is also extremely limited

[0004] Based on the shortcomings of the above-mentioned traditional attendance devices, the existing magnetic card type attendance devices are developing rapidly, but it is obvious that the use of attendance devices that read IC card information cannot reduce the high cost of each IC card, so users need to pay high Cost to purchase IC card for use

[0005] In addition, in the prior art, the micro-image encoding technology that uses optical reading devices to read objects printed on the surface has become increasingly mature. Please refer to the Chinese invention patent with the patent number ZL02122633.4. The title of the invention is: Method for making image indicators and application images The index processing system, the patent discloses in detail a device that can identify micro image codes, the micro image codes can be provided with a dot matrix of up to 13950 black dots per square centimeter, so the image codes cannot be recognized without special equipment Composition, with characteristics that are not easy to be recognized by ordinary people

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