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Scanner scanning method

A scanning method and scanner technology, applied in the field of scanning, can solve the problems of slow operation speed and long waiting time of the central processing unit 19, and achieve the effect of saving time and reducing the operation process.

Inactive Publication Date: 2010-05-12
AVISION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, the calculation speed of the central processing unit 19 built in the scanner 10 is usually very slow, so when the user performs multiple scanning actions, it will take a lot of waiting time

Method used

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Embodiment Construction

[0026] The structure of the scanner of the present invention and figure 1 The prior art shown is the same, so the description will not be repeated. in addition, figure 2 and image 3 The intensity profiles shown are also applicable to the various embodiments of the invention.

[0027] Please refer to Figure 5 . Figure 5 It is a flowchart of the first scanning method of the present invention. Such as Figure 5 As shown, firstly, the first scanning method scans the standard paper 20 by driving the scanning module assembly 12 to obtain image data of multiple pixels on the standard paper 20 . Then, before the first scanning process is performed after the scanner 10 is turned on, an effective image range is defined according to the image data of the plurality of pixels, and an average value of the image data falling within the effective image range is calculated. Finally, the document 14 is scanned and the average value is used to correct the resulting image of the scann...

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Abstract

In the invention, the calculating procedure is reduced when the scanner executes the scanning program in order to reach the purpose of saving time. The scanner includes the case, the transparent platform to be used for putting the document, the scanning module assembly, the standard paper, the memory and the processor. If the valid picture scope is known by the scanner before the document being scanned, then the scanner does not need to redefine the valid picture scope to correct the image generated by scanning the document.

Description

technical field [0001] The invention relates to a scanning method, in particular to a scanning method used to reduce the execution of some calculation processes in the calibration process to achieve the purpose of saving time. Background technique [0002] A scanning device is a kind of computer peripheral equipment, which has been widely used in home and office computing systems. The scanner can obtain the image content of the document, and convert the image content of the document into a format that can be operated and used by computer users through different related software. In practice, these operations include converting the image data of old documents into original text data used in databases, or changing the image content of scanned photos into image data that can be used by newspapers and magazines. [0003] However, existing scanners must take a long time to warm up and perform the calibration process. The correction process is to improve the image generated by s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/20
Inventor 陈琰成
Owner AVISION