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Image scanning method and system based on linear array CCD (charge coupled device) system

An image scanning and linear array technology, applied in the field of digital scanning, can solve the problem of not being able to scan digital microsections quickly and efficiently, and achieve the effect of efficient scanning

Inactive Publication Date: 2012-01-25
山东易创电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of this, the present invention provides an image focusing method and system based on a linear array CCD scanning system, to solve the problem that due to the image scanning characteristics of the area array CCD scanning system in the prior art, it is not possible to quickly and efficiently scan digital microsections. The problem

Method used

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  • Image scanning method and system based on linear array CCD (charge coupled device) system
  • Image scanning method and system based on linear array CCD (charge coupled device) system
  • Image scanning method and system based on linear array CCD (charge coupled device) system

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Embodiment 1

[0048] The scanning method disclosed in the embodiment of the present invention is applied to a linear array CCD scanning system, figure 1 It is a schematic diagram of the sampling points in the scanned image disclosed in the embodiment of the present invention, such as figure 1 As shown, the area to be scanned is divided into multiple small areas, each small area is a sampling point, and the slice image to be scanned is located in the area to be scanned. figure 2 It is a schematic diagram of the image scanning process disclosed in the embodiment of the present invention, refer to figure 2 , the steps to scan an image can be as follows:

[0049] Step 201: For a plurality of preset sampling points in the image to be scanned, perform a focusing process with any one of the sampling points as an initial sampling point.

[0050] In this step, the focus comparison module selects one of the preset sampling points in the image to be scanned as an initial sampling point, and perfor...

Embodiment 2

[0076] The scanning method disclosed in the embodiment of the present invention is applied to a linear array CCD scanning system, Figure 4 It is a schematic diagram of another image scanning process disclosed in the embodiment of the present invention, refer to Figure 4 , the steps to scan an image can be as follows:

[0077] Step 401: For a plurality of preset sampling points in the image to be scanned, any one of the sampling points is used as an initial sampling point.

[0078] Step 402: Perform blank detection on the initial sampling point.

[0079] In this step, the detection module performs blank detection on the initial sampling point.

[0080] Step 403: judging whether the blank detection result is greater than or equal to a preset threshold, if the blank detection result is greater than or equal to the threshold, proceed to step 404; if the blank detection result is less than the threshold, proceed to step 405.

[0081] In this step, the focus comparison module ...

Embodiment 3

[0095] The scanning system disclosed in the embodiment of the present invention is built on the line array CCD scanning system, Figure 5 It is a schematic structural diagram of a scanning system disclosed in an embodiment of the present invention, such as Figure 5 As shown, the scanning system 50 may include:

[0096] The focus comparison module 501 is configured to perform a focusing process with any one of the sampling points as an initial sampling point for a plurality of preset sampling points in the image to be scanned, and the sampling point is an area in the image to be scanned, The focusing process includes: comparing the sharpness of the collected sampling point images of the initial sampling points at different plane positions, and determining the best focusing plane of the initial sampling point according to the sharpness;

[0097] Wherein, the focus comparison module 501 may specifically include:

[0098] The calculation sub-module 5011 is used to calculate the...

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Abstract

The invention discloses an image scanning method and system based on linear array CCD (charge coupled device) scanning system. In the method, the focusing technology is applied to the linear array CCD scanning system, and multiple sampling points are set for an image to be scanned before scanning the image to be scanned on the basis of the characteristics of the acquisition mode of the linear array CCD scanning system; the sampling points are focused separately before scanning; and in the scanning process, the focus length is adjusted automatically according to the recorded best focusing plane of each sampling point, the sampling points are scanned in sequence line by line to finally complete the clear scanning of the whole image to be scanned. By adopting the system, digital microsections can be scanned rapidly and efficiently.

Description

technical field [0001] The invention relates to the field of digital scanning, and more specifically relates to an image focusing method of a microscopic digital slice line array CCD scanning system. Background technique [0002] With the rapid development of modern technology and the improvement of people's material living standards, people's daily life is becoming more and more electronic and digital. Many electronic products, such as cameras, video cameras, scanners, etc., are slowly entering the lives of more and more users. [0003] There are two types of scanning systems in electronic products that collect images, one of which is an area array CCD scanning system that uses an area array CCD camera to acquire images. The acquisition mode of an area array CCD scanning system is based on the image elements in the plane direction as the acquisition object For image acquisition, two-dimensional images can be scanned directly; the other is a linear array CCD scanning system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/04H04N1/028
Inventor 徐以发吴明平王本强
Owner 山东易创电子有限公司
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