CN103118217A - Camera shooting method and device of document photographing device - Google Patents

Abstract

The invention discloses a camera shooting method of a document photographing device. The camera shooting method of the document photographing device is characterized by comprising a first step of arranging a high-precision shooting work part which comprises a high-pixel CMOS camera, a light-emitting diode (LED) fill-in light and an illumination intensity sensor, a second step of arranging a built-in control unit which is connected with the work part mentioned in the first step, controls the work part to work and comprises a high-speed analog to digital converter (ADC) unit, a signal conditioning unit, a data processing unit, a central control unit, a data storing unit and a universal serial bus (USB) communication unit, wherein the high-speed ADC unit, the signal conditioning unit, the data processing unit, the central control unit and the USB communication unit are mutually connected, a third step of embedding a high-precision and high-definition image data processing algorithm into the data processing unit mentioned in the second step, and a fourth step of arranging a support part. The work part and the built-in control unit are connected with the support part through a connection piece and are placed on the top of the support part. The invention further discloses a document shooting device for implementing the camera shooting method.

Description

A kind of image pickup method of document shooting apparatus and device

Technical field

The present invention relates to electronic information field, be specifically related to a kind of image pickup method and device of document shooting apparatus

Background technology

Modern society is informationalized epoch, often will use scanner etc. and come scan image or written historical materials in daily life or work.But in prior art, traditional scanner or other relevant device all volume are very large, that can only fix is arranged on a place, be difficult to carry, can not be in company with personnel to different places, for example when going on business, if use scanner, all do not know where can find to use, cause a lot of inconvenience, and traditional scanner can only the plane of scanning motion, data sheet, the stereo article that some volumes are little, if its graphics memory is got up, can only look in addition again a camera to take.

Document scanner is present the most popular fileinfo digitization tools, is widely used in the automation that realizes office.File can be processed by computer system, storage and management after digitlization, by Internet Transmission or exchange.This raising to business productivity and competitiveness has critical effect.Along with the development of society and the progress of science and technology, mobile office becomes the preferred plan of IT application in enterprise gradually, it is a kind of new model with high competition power in the mobile communication epoch, it has broken away from the restriction that must handle official business on the fixed-site permanent plant, provide very big facility to company manager and business people, for the informatization of business and government provides brand-new thinking and direction.It not only makes office become to follow one's inclinations, easily, and by the convenience of communicating by letter, make the user which kind of no matter be in emergency circumstances, can efficiently carry out the work fastly, for the processing of unexpected incidents, answer the very important meaning that is deployed with of acute events.

Therefore, along with the continuous progress of science and technology and the continuous renewal of product are regenerated, existing scanner also needs further to improve and innovation, could adapt to the needs of existing market.

Summary of the invention

The object of the invention is to, according to above-mentioned deficiency, provide a kind of image pickup method and device of document shooting apparatus, by the high-pixel camera head is set, document is taken its convenient use, can improve efficient and the photographic images definition of shooting, be convenient to promote the use of.

The technical scheme that the present invention adopts for achieving the above object is:

A kind of image pickup method of document shooting apparatus, it comprises the following steps:

(1) high accuracy is set and takes operate portions, this operate portions comprises a high pixel CMOS camera, a LED light compensating lamp and an intensity of illumination transducer;

By the intensity of illumination transducer, realize to light compensating lamp the Based Intelligent Control of light power.

(2) an internal control unit is set, is connected and controls its work with the described operate portions of step (1); Described internal control unit comprises interconnective high-speed ADC AD conversion unit, signal condition unit, data processing unit, central control unit, data storage cell and usb communication unit;

(3) embed high accuracy, high-definition image data processing algorithm in the described data processing unit of step (2); At first adopt smothing filtering gray modulation mapping algorithm, gradation of image regulated processing, adopt following formula:

$P_i=\mathrm{\Δp}+\mathrm{\Δk}\sqrt{P_{\mathrm{alospani}}*P_{\mathrm{alosmusi}}}$

Wherein: Δ P is the varying offset amount, and Δ K is the gray scale Product-factor; P _AlosmusiBe the gray value of multispectral image data, P _AlospaniGray value for the high resolution spatial panchromatic image data;

Then adopt successively the physical conversions such as weighted wavelet conversion, high-pass filtering conversion and ratio operation transform, and adopt successively the mathematical algorithms such as nearest neighbor algorithm, bilinear interpolation algorithm, cubic convolution algorithm, bicubic interpolation spline algorithms, graph data is carried out fusion treatment;

Adopt at last following formula that view data is nursed one's health:

Z＝opt[r ₁(S ₁，X ₁)*.....**r _n(S _n，X _n)]

Wherein * is oeprator, and opt is minimum value min, and * gets plus sige, with expression stage addition and minimum, r _i(S _i, X _i) be the quantitative index in i stage, wherein S _iCorresponding to rising of i stage decision-making.X _iThe terminal point that represents the i stage;

Following formula is further converted to following stepping type to embody the characteristic of decision-making stage by stage:

f _i(S _i)＝opt[r ₁(S ₁，X ₁)*f _i+1(S _i+1)]

F wherein _i(S _i) for arriving the decision value in i stage;

(4) support portion is set, described operate portions and internal control unit are connected with the support portion by connector, and are placed in the top, support portion;

(5) energising, the described operate portions work of internal control unit controls, the high pixel CMOS camera of described operate portions gathers document image information, and the internal control unit carries out analyzing and processing to the document information that collects, and result and the control information of output after processing; The internal control unit carries out analyzing and processing to video information, and storage.

Described support portion and operate portions are strip, wherein the support portion is circular, square or tubulose, operate portions is circular or square, the support portion inner hollow, and be connected with operate portions is vertical, it is 20cm～50cm to the distance of document that the height of support portion makes operate portions, the bottom of support portion is one to be convenient to this support portion and to erect the base of placing, described base is circular or square, is provided with balancing weight in this base.

Base is according to the function needs, and definite its contour structures can increase at base the additional function part of identity card identification, magnetic stripe identification.

The support portion is according to the function needs, and determines its contour structures, the support portion can be designed to fold, concertina type, regulates shooting height, to reach the shooting of A3, A4 paper web.

Operate portions is according to the function needs, and definite its contour structures, operate portions can be designed to fold, tension type, regulate to take length reaching the shooting of A3, A4 paper web, and can increase laser positioning, light compensating lamp, the first-class auxiliary photo-taking functional module of secondary shooting in operate portions.

When separating computer is worked, can use battery or external power adapter to provide working power as document shooting apparatus; Simultaneously a display screen can be set on document shooting apparatus, replace computer monitor, the realtime graphic that document is taken is observed and processed.

Described data processing unit comprises DSP digital signal processing chip and arm processor.

Described central control unit is a High Performance SCM.

On described base, also be provided with control switch, power supply indicator and USB interface.

A kind of document of implementing said method is clapped device, and it comprises a high accuracy shooting operate portions, and this operate portions comprises a high pixel CMOS camera, a LED light compensating lamp and an intensity of illumination transducer; One internal control unit is connected with described operate portions and controls its work; Described internal control unit comprises interconnective high-speed ADC AD conversion unit, signal condition unit, data processing unit, central control unit, data storage cell and usb communication unit; Be embedded with high accuracy, high-definition image data processing algorithm in described data processing unit; At first adopt smothing filtering gray modulation mapping algorithm, gradation of image regulated processing, embed following formula:

$P_i=\mathrm{\Δp}+\mathrm{\Δk}\sqrt{P_{\mathrm{alospani}}*P_{\mathrm{alosmusi}}}$

Wherein: Δ P is the varying offset amount, and Δ K is the gray scale Product-factor; P _AlosmusiBe the gray value of multispectral image data, P _AlospaniGray value for the high resolution spatial panchromatic image data;

Then adopt successively the physical conversions such as weighted wavelet conversion, high-pass filtering conversion and ratio operation transform, and adopt successively the mathematical algorithms such as nearest neighbor algorithm, bilinear interpolation algorithm, cubic convolution algorithm, bicubic interpolation spline algorithms, graph data is carried out fusion treatment;

Adopt at last following formula that view data is nursed one's health:

Z＝opt[r ₁(S ₁，X ₁)*.....**r _n(S _n，X _n)]

Wherein * is oeprator, and opt gets minimum value, and * gets plus sige, expression stage addition and minimum, r _i(S _i, X _i) be the quantitative index in i stage, wherein S _iCorresponding to rising of i stage decision-making.X _iThe terminal point that represents the i stage;

Following formula is further converted to following stepping type to embody the characteristic of decision-making stage by stage:

f _i(S _i)＝opt[r ₁(S ₁，X ₁)*f _i+1(S _i+1)]

F wherein _i(S _i) for arriving the decision value in i stage;

One support portion, described operate portions and internal control unit are connected with the support portion by connector, and are placed in the top, support portion; Energising, the described operate portions work of internal control unit controls, the high pixel CMOS camera of described operate portions gathers document image information, and the internal control unit carries out analyzing and processing to the document information that collects, and result and the control information of output after processing; The internal control unit carries out analyzing and processing to video information, and storage.

Described support portion and operate portions are strip, wherein the support portion is circular, square or tubulose, operate portions is circular or square, the support portion inner hollow, and be connected with operate portions is vertical, it is 20cm～50cm to the distance of document that the height of support portion makes operate portions, the bottom of support portion is one to be convenient to this support portion and to erect the base of placing, described base is circular or square, is provided with balancing weight in this base.

Described data processing unit comprises DSP digital signal processing chip and arm processor.

Described central control unit is a High Performance SCM.

On described base, also be provided with control switch, power supply indicator and USB interface.

Beneficial effect of the present invention is: the present invention designs ingenious, rational in infrastructure, be provided with the high-pixel camera module, not only satisfy the daily required various functions of people, also can save down the expense that need purchase miscellaneous equipment, reduce costs, and the main camera collocation in main camera module has light compensating lamp, realize fast, clearly taking file, effectively increase work efficiency, can also be connected with computer by USB interface, realize image, easy to use; Compact overall structure, dwindle engaged position greatly in addition, is beneficial to extensive popularization.

Description of drawings

Fig. 1 is overall structure schematic diagram of the present invention;

Wherein: 1. the support portion 2. operate portions 3. high pixel CMOS camera of base 4. 5.LED light compensating lamp 6.USB interface 7. control switchs

Embodiment

Embodiment: referring to Fig. 1, the present embodiment provides a kind of image pickup method of document shooting apparatus, and it comprises the following steps:

(1) high accuracy is set and takes operate portions 2, this operate portions 2 comprises high pixel CMOS camera 4, one LED light compensating lamps 5 and an intensity of illumination transducer;

By the intensity of illumination transducer, realize to light compensating lamp 5 Based Intelligent Control of light power.

(2) an internal control unit is set, is connected and controls its work with the described operate portions of step (1); Described internal control unit comprises interconnective high-speed ADC AD conversion unit, signal condition unit, data processing unit, central control unit, data storage cell and usb communication unit;

(3) embed high accuracy, high-definition image data processing algorithm in the described data processing unit of step (2); At first adopt smothing filtering gray modulation mapping algorithm, gradation of image regulated processing, adopt following formula:

$P_i=\mathrm{\Δp}+\mathrm{\Δk}\sqrt{P_{\mathrm{alospani}}*P_{\mathrm{alosmusi}}}$

Wherein: Δ P is the varying offset amount, and Δ K is the gray scale Product-factor; P _AlosmusiBe the gray value of multispectral image data, P _AlospaniGray value for the high resolution spatial panchromatic image data;

Then adopt successively the physical conversions such as weighted wavelet conversion, high-pass filtering conversion and ratio operation transform, and adopt successively the mathematical algorithms such as nearest neighbor algorithm, bilinear interpolation algorithm, cubic convolution algorithm, bicubic interpolation spline algorithms, graph data is carried out fusion treatment;

Adopt at last following formula that view data is nursed one's health:

Z＝opt[r ₁(S ₁，X ₁)*.....**r _n(S _n，X _n)]

Wherein * is oeprator, and opt is minimum value min, and * gets plus sige, with expression stage addition and minimum, r _i(S _i, X _i) be the quantitative index in i stage, wherein S _iCorresponding to rising of i stage decision-making.X _iThe terminal point that represents the i stage;

Following formula is further converted to following stepping type to embody the characteristic of decision-making stage by stage:

f _i(S _i)＝opt[r ₁(S ₁，X ₁)*f _i+1(S _i+1)]

F wherein _i(S _i) for arriving the decision value in i stage;

(4) support portion 1 is set, described operate portions 2 and internal control unit are connected with support portion 1 by connector, and are placed in 1 top, support portion;

(5) energising, described operate portions 2 work of internal control unit controls, 4 pairs of document image informations of high pixel CMOS camera of described operate portions 2 gather, and the internal control unit carries out analyzing and processing to the document information that collects, and result and the control information of output after processing; The internal control unit carries out analyzing and processing to video information, and storage.

Described support portion 1 and operate portions 2 are strip, wherein support portion 1 is circular, square or tubulose, operate portions 1 is circular or square, support portion 2 inner hollow, and be connected with operate portions 2 is vertical, it is 20cm～50cm to the distance of document that the height of support portion 1 makes operate portions 2, the bottom of support portion 1 is one to be convenient to this support portion 1 and to erect the base 3 of placing, described base 3 is circular or square, is provided with balancing weight in this base 3.

Base 3 is according to the function needs, and definite its contour structures can increase at base 3 the additional function part of identity cards identification, magnetic stripe identification.

Support portion 1 is according to the function needs, and determines its contour structures, support portion 1 can be designed to fold, concertina type, regulates shooting height, to reach the shooting of A3, A4 paper web.

Operate portions 2 is according to the function needs, and definite its contour structures, operate portions 2 can be designed to fold, tension type, regulate to take length reaching the shooting of A3, A4 paper web, and can increase laser positionings, light compensating lamp, the first-class auxiliary photo-taking functional module of secondary shooting in operate portions 2.

When separating computer is worked, can use battery or external power adapter to provide working power as document shooting apparatus; Simultaneously a display screen can be set on document shooting apparatus, replace computer monitor, the realtime graphic that document is taken is observed and processed.

Described data processing unit comprises DSP digital signal processing chip and arm processor.

Described central control unit is a High Performance SCM.

On described base 3, also be provided with control switch 7 and USB interface 6.

A kind of document of implementing said method is clapped device, and it comprises a high accuracy shooting operate portions 2, and this operate portions 2 comprises high pixel CMOS camera 4, one LED light compensating lamps 5 and an intensity of illumination transducer; One internal control unit is connected and controls its work with described operate portions 2; Described internal control unit comprises interconnective high-speed ADC AD conversion unit, signal condition unit, data processing unit, central control unit, data storage cell and usb communication unit; Be embedded with high accuracy, high-definition image data processing algorithm in described data processing unit; At first adopt smothing filtering gray modulation mapping algorithm, gradation of image regulated processing, embed following formula:

$P_i=\mathrm{\Δp}+\mathrm{\Δk}\sqrt{P_{\mathrm{alospani}}*P_{\mathrm{alosmusi}}}$

Wherein: Δ P is the varying offset amount, and Δ K is the gray scale Product-factor; P _AlosmusiBe the gray value of multispectral image data, P _AlospaniGray value for the high resolution spatial panchromatic image data;

Then adopt successively the physical conversions such as weighted wavelet conversion, high-pass filtering conversion and ratio operation transform, and adopt successively the mathematical algorithms such as nearest neighbor algorithm, bilinear interpolation algorithm, cubic convolution algorithm, bicubic interpolation spline algorithms, graph data is carried out fusion treatment;

Adopt at last following formula that view data is nursed one's health:

Z＝opt[r ₁(S ₁，X ₁)*.....**r _n(S _n，X _n)]

Wherein * is oeprator, and opt gets minimum value, and * gets plus sige, expression stage addition and minimum, r _i(S _i, X _i) be the quantitative index in i stage, wherein S _iCorresponding to rising of i stage decision-making.X _iThe terminal point that represents the i stage;

Following formula is further converted to following stepping type to embody the characteristic of decision-making stage by stage:

f _i(S _i)＝opt[r ₁(S ₁，X ₁)*f _i+1(S _i+1)]

F wherein _i(S _i) for arriving the decision value in i stage;

One support portion 1, described operate portions 2 and internal control unit are connected with support portion 1 by connector, and are placed in 1 top, support portion; Energising, described operate portions 2 work of internal control unit controls, 4 pairs of document image informations of high pixel CMOS camera of described operate portions 2 gather, and the internal control unit carries out analyzing and processing to the document information that collects, and result and the control information of output after processing; The internal control unit carries out analyzing and processing to video information, and storage.

Described support portion 1 and operate portions 2 are strip, wherein support portion 1 is circular, square or tubulose, operate portions is circular or square, support portion 1 inner hollow, and be connected with operate portions 2 is vertical, it is 20cm～50cm to the distance of document that the height of support portion 1 makes operate portions 2, the bottom of support portion 1 is one to be convenient to this support portion 1 and to erect the base 3 of placing, described base 3 is circular or square, is provided with balancing weight in this base 3.

Described data processing unit comprises DSP digital signal processing chip and arm processor.

Described central control unit is a High Performance SCM.

On described base 3, also be provided with control switch 7, power supply indicator and USB interface 6.

But the above is only better possible embodiments of the present invention, is not to limit to the scope of the claims of the present invention, therefore the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are done changes, all is included in protection scope of the present invention.

Claims (10)

1. the image pickup method of a document shooting apparatus, is characterized in that, it comprises the following steps:

(1) high accuracy is set and takes operate portions, this operate portions comprises a high pixel CMOS camera, a LED light compensating lamp and an intensity of illumination transducer;

(2) an internal control unit is set, is connected and controls its work with the described operate portions of step (1); Described internal control unit comprises interconnective high-speed ADC AD conversion unit, signal condition unit, data processing unit, central control unit, data storage cell and usb communication unit;

(3) embed high accuracy, high-definition image data processing algorithm in the described data processing unit of step (2); At first adopt smothing filtering gray modulation mapping algorithm, gradation of image regulated processing, adopt following formula:

$P_i=\mathrm{\Δp}+\mathrm{\Δk}\sqrt{P_{\mathrm{alospani}}*P_{\mathrm{alosmusi}}}$

Wherein: Δ P is the varying offset amount, and Δ K is the gray scale Product-factor; P _AlosmusiBe the gray value of multispectral image data, P _AlospaniGray value for the high resolution spatial panchromatic image data;

Then adopt successively weighted wavelet conversion, high-pass filtering conversion and ratio operation transform, and adopt successively nearest neighbor algorithm, bilinear interpolation algorithm, cubic convolution algorithm, bicubic interpolation spline algorithms, graph data is carried out fusion treatment;

Adopt at last following formula that view data is nursed one's health:

Z＝opt[r ₁(S ₁，X ₁)*.....**r _n(S _n，X _n)]

Wherein * is oeprator, and opt is minimum value min, and * gets plus sige, with expression stage addition and minimum, r _i(S _i, X _i) be the quantitative index in i stage, wherein S _iCorresponding to rising of i stage decision-making; X _iThe terminal point that represents the i stage;

Following formula is further converted to following stepping type to embody the characteristic of decision-making stage by stage:

f _i(S _i)＝opt[r ₁(S ₁，X ₁)*f _i+1(S _i+1)]

F wherein _i(S _i) for arriving the decision value in i stage;

(4) support portion is set, described operate portions and internal control unit are connected with the support portion by connector, and are placed in the top, support portion;

(5) energising, the described operate portions work of internal control unit controls, the high pixel CMOS camera of described operate portions gathers document image information, and the internal control unit carries out analyzing and processing to the document information that collects, and result and the control information of output after processing; The internal control unit carries out analyzing and processing to video information, and storage.

2. the image pickup method of document shooting apparatus according to claim 1, it is characterized in that, described support portion and operate portions are strip, and wherein the support portion is circular, square or tubulose, and operate portions is circular or square, the support portion inner hollow, and be connected with operate portions is vertical, it is 20cm～50cm to the distance of document that the height of support portion makes operate portions, the bottom of support portion is one to be convenient to this support portion and to erect the base of placing, described base is circular or square, is provided with balancing weight in this base.

3. the image pickup method of document shooting apparatus according to claim 1, is characterized in that, described data processing unit comprises DSP digital signal processing chip and arm processor.

4. the image pickup method of document shooting apparatus according to claim 1, is characterized in that, described central control unit is a High Performance SCM.

5. the image pickup method of document shooting apparatus according to claim 2, is characterized in that, on described base, also is provided with control switch, power supply indicator and USB interface.

6. a document filming apparatus of implementing the described method of one of 1-5, is characterized in that, it comprises a high accuracy shooting operate portions, and this operate portions comprises a high pixel CMOS camera, a LED light compensating lamp and an intensity of illumination transducer; One internal control unit is connected with described operate portions and controls its work; Described internal control unit comprises interconnective high-speed ADC AD conversion unit, signal condition unit, data processing unit, central control unit, data storage cell and usb communication unit; Be embedded with high accuracy, high-definition image data processing algorithm in described data processing unit; At first adopt smothing filtering gray modulation mapping algorithm, gradation of image regulated processing, embed following formula:

$P_i=\mathrm{\Δp}+\mathrm{\Δk}\sqrt{P_{\mathrm{alospani}}*P_{\mathrm{alosmusi}}}$

Wherein: Δ P is the varying offset amount, and Δ K is the gray scale Product-factor; P _AlosmusiBe the gray value of multispectral image data, P _AlospaniGray value for the high resolution spatial panchromatic image data;

Then adopt successively weighted wavelet conversion, high-pass filtering conversion and ratio operation transform, and adopt successively nearest neighbor algorithm, bilinear interpolation algorithm, cubic convolution algorithm, bicubic interpolation spline algorithms, graph data is carried out fusion treatment;

Adopt at last following formula that view data is nursed one's health:

Z＝opt[r ₁(S ₁，X ₁)*.....**r _n(S _n，X _n)]

Wherein * is oeprator, and opt gets minimum value, and * gets plus sige, expression stage addition and minimum, r _i(S _i, X _i) be the quantitative index in i stage, wherein S _iCorresponding to rising of i stage decision-making; X _iThe terminal point that represents the i stage;

Following formula is further converted to following stepping type to embody the characteristic of decision-making stage by stage:

f _i(S _i)＝opt[r ₁(S ₁，X ₁)*f _i+1(S _i+1)]

F wherein _i(S _i) for arriving the decision value in i stage;

One support portion, described operate portions and internal control unit are connected with the support portion by connector, and are placed in the top, support portion; Energising, the described operate portions work of internal control unit controls, the high pixel CMOS camera of described operate portions gathers document image information, and the internal control unit carries out analyzing and processing to the document information that collects, and result and the control information of output after processing; The internal control unit carries out analyzing and processing to video information, and storage.

7. document filming apparatus according to claim 6, it is characterized in that, described support portion and operate portions are strip, and wherein the support portion is circular, square or tubulose, and operate portions is circular or square, the support portion inner hollow, and be connected with operate portions is vertical, it is 20cm～50cm to the distance of document that the height of support portion makes operate portions, the bottom of support portion is one to be convenient to this support portion and to erect the base of placing, described base is circular or square, is provided with balancing weight in this base.

8. document filming apparatus according to claim 6, is characterized in that, described data processing unit comprises DSP digital signal processing chip and arm processor.

9. document filming apparatus according to claim 6, is characterized in that, described central control unit is a High Performance SCM.

10. document filming apparatus according to claim 7, is characterized in that, on described base, also is provided with control switch, power supply indicator and USB interface.

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