Character sequence scanning method and scanning device

A technology of character sequence and scanning method, which is applied in character and pattern recognition, instruments, computer parts, etc., and can solve the problems of complex structure and high cost of scanning devices

Active Publication Date: 2013-09-11
HANVON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The scanning device has a simple structure, which can not only solve the problems of complex structure and high cost of the prior art scanning device, but the scanning method of the present invention eliminates calculation err

Method used

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  • Character sequence scanning method and scanning device
  • Character sequence scanning method and scanning device
  • Character sequence scanning method and scanning device

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Embodiment Construction

[0059] Such as figure 1 Shown is a schematic diagram of the front structure of the scanning device of the present invention. The scanning device includes: a housing 1, a collection window 2, and a roller 3. Moving and rotating, the roller 3 is provided with a mark for recording the rotation of the roller; the image sensor 4 collects at a certain frequency the sequence of image fragments that simultaneously include the displacement mark image and the character sequence image of the roller; the light source 5, in the process of scanning device The center is always excited, emits visible light, and irradiates the roller and the character sequence to be scanned; the processor 6 is built in the casing 1 of the scanning device, the excitation light source emits visible light, and processes the sequence of image fragments to obtain complete recorded character information.

[0060] The processor includes: an image division unit, which processes any two image segments in the collected ...

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Abstract

The invention relates to a scanning device and a scanning method for recording character sequence. The method comprises the following steps that 1) when the scanning device moves, an image fragment sequence including idler wheel images and character sequence images is collected; 2) any two image fragments in the collected image fragment sequence are processed, image partition is conducted on the two image fragments, and two idler wheel image fragments and two character sequence image fragments are obtained; 3) the motion displacement of idler wheel displacement signs arranged on idler wheels is calculated according to the two idler wheel image fragments; 4) the motion displacement of the scanning device is calculated according to the mapping relation between the motion displacement of idler wheel displacement signs of the idler wheels and the motion displacement of the scanning device; 5) the two obtained character sequence image fragments are combined according to the motion displacement of the scanning device, and a complete character sequence image is formed. The scanning method is wide in application range, and has a better processing effect on data fragments which include more repeated information and are sparse in information.

Description

technical field [0001] The invention relates to the technical fields of digital image processing and OCR (optical character recognition), in particular to a scanning method and a scanning device for recording character sequences. Background technique [0002] In people's work and life, such a portable device is often needed: it can record and save words and sentences on different media; it can input new words for translation between different languages; it can scan and collect barcode information of items, etc. Since the information is stored in different recording media, such as: newspapers, books, magazines, cargo labels, etc., different recording media have different characteristics, and different recording contents will also bring about complex and variable problems, such as barcode repetition There is a lot of similar information, and the text content of sparse records has a large gap. [0003] Chinese patent CN97180207.6 discloses a scanning pen. The scanning pen uses...

Claims

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Application Information

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IPC IPC(8): G06K9/20
Inventor 刘正珍张娜
Owner HANVON CORP
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