CN101420496B - Method and equipment for collecting image - Google Patents
Method and equipment for collecting image Download PDFInfo
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- CN101420496B CN101420496B CN2007101655015A CN200710165501A CN101420496B CN 101420496 B CN101420496 B CN 101420496B CN 2007101655015 A CN2007101655015 A CN 2007101655015A CN 200710165501 A CN200710165501 A CN 200710165501A CN 101420496 B CN101420496 B CN 101420496B
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Abstract
The embodiment of the invention discloses an image acquisition method which comprises the following steps: setting media characteristic of an object to be scanned and a corresponding relation between the media characteristics and storage addresses which corresponds to various light sources respectively; scanning the object to be scanned with at least two light sources to obtain a plurality of target images corresponding to the light sources; storing the target images in the storage addresses corresponding to the light sources; analyzing the media characteristics of the target images; selecting the target image from the storage addresses corresponding to the light sources and outputting the target image. The invention further provides an image acquisition device which comprises a media characteristic setup unit, at least two light sources, a target image analysis unit, a target image selection unit and a target image output unit. The method and the system of the embodiment of the invention have the advantages of simple operation without manual regulation of scanner parameters, proper selection of the light sources; and provide the scanned images with better quality.
Description
Technical field
The present invention relates to the method and apparatus in image technique field, particularly a kind of images acquired.
Background technology
Normally used equipment is scanner in the acquisition technology, and traditional scanner normally utilizes light sources with different wavelengths to obtain the scanned character image information that goes up different color.Fig. 1 is the method flow diagram of traditional images acquired.As shown in Figure 1, its step comprises:
S101:, choose scanning light source according to feature of image;
People need observe by the scan objects feature of image, use light source to select to scanning.For example, having the scanner of three kinds of light sources of red, green, blue, is main character image with the redness in scanning, selects green or blue-light source independent usually, perhaps makes up image is scanned; For being main character image with the green, select red light source that image is scanned usually again.
S102: use the said light source scanning target image of choosing;
After light source is selected, use the light source of choosing to illuminate scan objects, gather target image.
S103: store the target image that gets access to into predetermined memory address
S104: export the target image in the said memory address
The technical problem that this method exists is: when using same scanner; Scanning have the different medium characteristic by scan objects the time; Because some target to be scanned is main with red image; Some target to be scanned is master etc. with the green image, need be according to these by the dielectric attribute of scan objects, and the light source that artificial selection is different.During each scanning, at first need the artificial selection light source, and then scan, operate more loaded down with trivial details.
Summary of the invention
In view of this, the purpose of the one or more embodiment of the present invention is to provide a kind of method and apparatus of images acquired, and is above-mentioned to solve: each scanning, and at first need the artificial selection light source, and then scan, operate more loaded down with trivial details technical problem.
For addressing the above problem, the embodiment of the invention provides a kind of method of images acquired, comprises step:
Setting is by the corresponding relation of the dielectric attribute of scan objects and said dielectric attribute and memory address; Said memory address is corresponding with various light sources respectively, and said dielectric attribute is said by the size of scan objects, said specific image or the said mark that when printing, is increased by scan objects that is comprised at ad-hoc location by scan objects;
Use at least two kinds of said light sources to be scanned by scan objects, obtain the corresponding target image of some and said light source said;
Said target image is stored into respectively in the memory address corresponding with said light source;
Analyze the said dielectric attribute in the said target image;
The said target image that output is chosen behind the select target image from the memory address corresponding with said dielectric attribute.
For addressing the above problem, the embodiment of the invention also provides a kind of equipment of images acquired, comprising:
The dielectric attribute setup unit; Be used for: set by the corresponding relation of the dielectric attribute of scan objects and said dielectric attribute and memory address; Said memory address is corresponding with various light sources respectively, and said dielectric attribute is said by the size of scan objects, said specific image or the said mark that when printing, is increased by scan objects that is comprised at ad-hoc location by scan objects;
At least two kinds of light sources are used for: scanned respectively by scan objects said, obtain the corresponding target image of some and said light source;
The target image memory cell is used for: store said target image into the memory address corresponding with said light source respectively;
The target image analytic unit is used for: the said dielectric attribute of analyzing said target image;
The target image selected cell is used for: from the memory address select target image corresponding with said dielectric attribute;
The target image output unit is used for: the said target image output that will choose.
Compared with prior art, the embodiment of the invention has the following advantages:
At first, easy and simple to handle, do not need at every turn all manual adjustment scanner parameters, select suitable light source; Secondly, make same scanner can take into account the scan objects of different images characteristic simultaneously, guarantee output image quality.Simultaneously, the present invention is easier than operated in accordance with conventional methods, and adaptability is stronger, once sets, and just can satisfy multiple scan objects demand.
Description of drawings
Shown in Figure 1, be the method flow diagram of existing images acquired;
Shown in Figure 2, be the flow chart of first embodiment of the method for images acquired of the present invention;
Shown in Figure 3, be the flow chart of second embodiment of the method for images acquired of the present invention;
Shown in Figure 4, second embodiment of method that is images acquired of the present invention is by scan objects, dielectric attribute, light source and memory address corresponding relation figure;
Shown in Figure 5, be the flow chart of the 3rd embodiment of the method for images acquired of the present invention;
Shown in Figure 6, be the block diagram of first embodiment of the equipment of images acquired of the present invention.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the embodiment of the invention is done further elaboration in detail.
As shown in Figure 2, be first embodiment of the method for images acquired of the present invention, comprise step:
S201, setting are by the corresponding relation of the dielectric attribute of scan objects and said dielectric attribute and memory address, and said memory address is corresponding with various light sources respectively;
Said dielectric attribute can be that artificial the setting added to by the mark of scan objects, the physical features that also can be carried by scan objects;
S202, at least two kinds of said light sources of use are scanned by scan objects said, obtain the corresponding target image of some and said light source;
S203, said target image is stored into respectively in the memory address corresponding with said light source;
The image by scan objects that each light source is collected is stored in the memory address corresponding with said light source and gets on;
Said dielectric attribute in S204, the said target image of analysis, select target image from the memory address corresponding with said dielectric attribute;
The said target image that S205, output are chosen.
Utilize present embodiment; Through predefined dielectric attribute, said dielectric attribute can be artificial the setting, certain physical features that also can be carried by scan objects; Can use multiple light source respectively to after being scanned respectively by scan objects; Obtain and each light source target image relatively, because scan objects has dielectric attribute, behind the dielectric attribute that can have through the evaluating objects image; According to the corresponding relation of said dielectric attribute and memory address, select target image from its corresponding memory address.Because memory address and various light source are one to one, thereby choose through image specific light source scanning, that need.The target image that output is chosen; Certainly the method for output image is diversified in practice, can be to store image into particular medium, like computer hard disc, computer disk, USB flash disk etc.; Can output to printing equipment etc., these do not exceed protection scope of the present invention yet.
Preferably, in the above-described embodiments, can before carrying out said scanning, select said light source according to said dielectric attribute.Utilize and saidly can be selected corresponding light source by the dielectric attribute of scan objects, needn't be to blindly being used unnecessary light source scanning by scan objects.
Preferably, on the basis of the foregoing description, also comprise step:
With the said target image combination back output of choosing.
Preferably, on the basis of the foregoing description, said combination is specially:
The said target image that to choose according to said dielectric attribute makes up.
Said target image through choosing makes up back output according to said dielectric attribute, can target image be made up back output targetedly according to the characteristics of said dielectric attribute, and the picture quality that obtains is better.
Preferably, on the basis of the foregoing description, also comprise step:
Said target image is outputed to PRN device or computer or image processing equipment.
As shown in Figure 3, be second embodiment of the method for collection specific light source image of the present invention, comprise step:
S301, setting are by the dielectric attribute of scan objects, and the corresponding relation of said dielectric attribute and memory address, and said memory address is corresponding with various light sources respectively;
By the dielectric attribute of scan objects can such as by the size of scan objects itself, color etc., also can be artificial certain characteristic of adding by the physical features of scan objects itself.The size of medium is meant medium length to be scanned.Utilize the difference of medium length to be scanned, can distinguish different scan objects; For example, can be in the scanning process of scanner according to scanned medium actual size output image, the scanning breadth is given an example: 80x100mm, 80x150mm, these 2 kinds of media can be distinguished through judging output image length.
By the medium spy of scan objects just also can be the characteristics of image of medium.A kind of situation is, can with the characteristics of image of medium self as, the bitmap characteristic of ad-hoc location or the character features of ad-hoc location are as the dielectric attribute of such medium; Also have a kind of situation, can added marked by scan objects, as the characteristic of such medium.For example; In 2 kinds of different scanning medium A, the customized different markers of B upper left corner difference, use triangle, B to use circle to distinguish like A, or use different markers square number to distinguish; Comprise a mark square like A, B comprises 2 modes such as mark square; In addition, mark is placed on the differentiation that different medium also can be realized in different positions.The third situation is that the background color difference of medium also can be used as the method for differentiation, because the image background scale grade difference that the medium of different colours uses single light source scanning to export can be bigger.
So, comprehensive top introduction, dielectric attribute can be the size of medium, like medium length, width, also can be that medium comprises specific image at ad-hoc location.The characteristic of medium can also be according to application demand, increases mark of correlation during printing, distinguishes like difformities such as usage flag piece, triangle, circles.The technical scheme of the variation of this relevant dielectric attribute does not exceed protection scope of the present invention.
Before scanning; Different with the text color type to image by scan objects; First its dielectric attribute of definition, the principle of utilizing the light source of the character image informational needs different wave length that obtains different color to gather is again set the memory address that target image that its required light source collects is deposited.
Suppose in the present embodiment by the length of scan objects A to be 100 millimeters, its surface image and literal are main with redness; By the length of scan objects B is 150 millimeters, and its surface image and literal are main with green.At first, the target image of definition red light source collection stores first memory address into; The target image of definition green light source collection stores second memory address into.Because both medium lengths are different, set medium length as distinguishing by scan objects A, B dielectric attribute.Simultaneously, owing to being main by scan objects A surface image and literal with redness, according to the image scanning principle, should select the green light source images acquired for use, setting its pairing memory address so is second memory address; Because is main by scan objects B surface image with green, according to the image scanning principle, should select the red light source images acquired for use, setting its pairing memory address so is first memory address.
Fig. 4 is that present embodiment is by the corresponding relation figure of scan objects, dielectric attribute, light source and memory address.By the dielectric attribute of scan objects A is that medium length equals 100 millimeters, because the target image of its green light source collection that needs is stored in second memory address, so the corresponding memory address of its dielectric attribute is second memory address.By the dielectric attribute of scan objects B is that medium length equals 150 millimeters, because the target image of its red light source collection that needs is stored in first memory address, so the corresponding memory address of its dielectric attribute is first memory address.
S302, two kinds of light sources of use obtain the corresponding target image of some and said light source respectively to being scanned by scan objects;
Light source uses two kinds still three kinds or multiple, according to being confirmed by the characteristics of the color of image of scan objects.For example, a plurality of by scan objects in, if their color of image has only two kinds, so, only need to use two kinds of light source images acquired to get final product; If their color of image has three kinds, if then need use three kinds of light source images acquired can their color of image more than three kinds; Then need light source images acquired more than three kinds or three kinds.
In reality, can use two kinds of light sources to being scanned by scan objects, illuminate line by line by scan objects successively as using ruddiness, green glow respectively, collect two pictures of marking on a map of opening one's eyes wide, this two open one's eyes wide picture of marking on a map is corresponding with ruddiness, green glow respectively; In actual use; Also can use three kinds of light sources to being scanned by scan objects, as, use ruddiness, blue light, green glow to illuminate line by line successively respectively by scan objects; Collect three pictures of marking on a map of opening one's eyes wide, this three open one's eyes wide picture of marking on a map is corresponding with said ruddiness, blue light, green glow respectively; In actual use, still can use ruddiness, blue light, green glow and infrared or ultraviolet light to illuminate successively respectively, gather the destination media image by scanned medium.Whenever opening one's eyes wide mark on a map picture all with said ruddiness, blue light, green glow and infrared or ultraviolet light is corresponding.The method of this selection light source and the variation of kind thereof do not exceed the scope of the present invention's protection.
For the those skilled in the art, can have no from the above-mentioned process of argumentation to know that the present invention is not limited to quantity of light source and kind selection difficultly, which kind of system of selection does not all exceed the scope of the present invention's protection, all receives protection of the present invention.
In the present embodiment, use ruddiness, two kinds of light sources of green glow, obtain target image corresponding and the target image corresponding with green light source with red light source successively line by line alternately to being scanned by scan objects.
S303, said target image is stored into respectively in the memory address corresponding with said light source;
The image by scan objects that every kind of light source all obtains its scanning is stored in the memory address corresponding with said light source and gets on; In the practice, can the image that obtain behind each light source scanning be stored in the memory address corresponding with it and get on.
In the present embodiment, store the image of red light source collection into first memory address, store the image of green light source collection into second memory address.For the those skilled in the art, can be under the situation of not paying creative work, obtain other the method that each image is stored, the changing method of this memory address does not exceed the scope of the present invention's protection.
Said dielectric attribute in S304, the said target image of analysis according to the said dielectric attribute that analysis obtains, is selected a target image from the memory address corresponding with said dielectric attribute;
Target image in the memory address is analyzed.For example, define in advance from the first memory address select target graphical analysis dielectric attribute (this be set in scanning before accomplish).So, after accomplishing S301～S303 step, read the target image that is stored in first memory address, the dielectric attribute of evaluating objects image.If analyzing the length of target image is 80 millimeters, according to the setting of step S301, can judge by scan objects is A, and its pairing target image is stored in second memory address, like this, just can arrive the second memory address select target image.In like manner, be 100 millimeters if analyze the length of target image, according to the setting of step S301, can judge by scan objects is B, its pairing target image is stored in first memory address, like this, just can arrive the first memory address select target image.
In some cases, also can set from a plurality of memory addresss the select target image analyzes.Preferably; The condition of this analysis is; According to the setting order,, just need arrive and choose target image in the next memory address and continue to analyze dielectric attribute if it is corresponding with the dielectric attribute of setting to can not find any one dielectric attribute in the target image in current memory address.For example, define select target graphical analysis dielectric attribute from first memory address, second memory address, the 3rd memory address successively in advance.If analyze the dielectric attribute that target image in first memory address comprises arbitrary setting, again the target image of other memory addresss analyzed with regard to not needing; If in the target image of first memory address, can not find the dielectric attribute of arbitrary setting, then need arrive the dielectric attribute that continues the evaluating objects image in second memory address, the rest may be inferred.Behind the dielectric attribute that analyzes target image, the dielectric attribute that obtains according to analysis again, select target image from the memory address corresponding with this dielectric attribute.
Method from select target image disclosed by the invention; The those skilled in the art can clearly obtain teachings, utilizes system of selection disclosed by the invention, through reasonable change; Can obtain best target image, this variation does not exceed the scope of the present invention's protection.
S305, the said target image that selection is obtained output to printing equipment.
The target image of selecting to obtain is outputed to printer, utilize print media to print.
As shown in Figure 5, be the 3rd embodiment of the method for images acquired of the present invention, comprise step:
S501, setting are by the dielectric attribute of scan objects, and the corresponding relation of said dielectric attribute and memory address, and said memory address is corresponding with various light sources respectively;
Set present embodiment and located the density bullet of 5*5 millimeter for being positioned at image coordinate (50,60), describe, be called dielectric attribute I for convenient by the dielectric attribute of scan objects A; Setting is located 5*5 millimeter white space by the dielectric attribute of scan objects B for being positioned at image coordinate (50,60), describes for convenient, is called dielectric attribute II; The target image of definition red light source collection stores first memory address into; The target image of green light source collection stores second memory address into; The target image of blue-light source collection stores the 3rd memory address into.The corresponding memory address of definition dielectric attribute I is first memory address and second memory address; The memory address that dielectric attribute II is corresponding is first memory address, second memory address and the 3rd memory address.
S502, three kinds of light sources of use obtain the corresponding target image of some and said light source respectively to being scanned by scan objects;
Use ruddiness, green glow, blue light successively line by line alternately to being scanned by scan objects, obtain three respectively with ruddiness, green glow, target image that blue light is corresponding.
S503, said target image is stored into respectively in the memory address corresponding with said light source;
The target image that ruddiness is corresponding stores first memory address into; The target image that green glow is corresponding stores second memory address into; The target image that blue light is corresponding stores the 3rd memory address into.
Said dielectric attribute in S504, the said target image of analysis is according to the said dielectric attribute that analysis obtains, select target image from the memory address corresponding with said dielectric attribute;
Select the first memory address target image to analyze dielectric attribute from definition in advance.Comprise dielectric attribute I when analyzing target image, so, set, choose target image from first memory address and second memory address according to step S501; Comprise dielectric attribute II when analyzing target image, so, set, choose target image from first memory address, second memory address and the 3rd memory address according to step S501.
The said target image that S505, combination selection arrive.
The combined method of target image can be predefined.The value of setting each pixel of the pairing output image of dielectric attribute I is the minimum value of red light source and green light source; The value of setting each pixel of the pairing output image of dielectric attribute II is from the target image that red light source, green light source and blue-light source are gathered, to distinguish 0.3,0.55,0.15 value sum in proportion.When step S304 analyzes target image when comprising dielectric attribute I, select each picture element minimum value that combination is generated output image from first memory address and second memory address; When step S504 analyzes target image when comprising dielectric attribute II, with each picture element of the target image in first memory address, second memory address, the 3rd memory address proportionally 0.3,0.55,0.15 combination generate the export target image.
Said target image after S506, the output combination.
Target image after the step S505 combination is outputed to printer or stores particular medium into.
Through the above embodiment of the present invention; Because the dielectric attribute of contrast is predefined; And this dielectric attribute also needed the combination of the data that data that which kind of light source of definition output in advance gathers or multiple light source gather; Because the optimization customization that this definition and combination all are the needs according to scan objects to be carried out, so the quality of scanning of the destination media that obtains through above-mentioned steps is best.
As shown in Figure 6, be first embodiment of the equipment of images acquired of the present invention, comprising:
Dielectric attribute setup unit 601 is used for: set by the corresponding relation of the dielectric attribute of scan objects and said dielectric attribute and memory address, said memory address is corresponding with various light sources respectively;
At least two kinds of light sources 602 are used for: to having being scanned respectively by scan objects of dielectric attribute, obtain the corresponding target image of some and said light source;
Target image memory cell 603 is used for: store said target image into the memory address corresponding with said light source respectively;
Target image analytic unit 604 is used for: the said dielectric attribute of analyzing said target image;
Target image selected cell 605 is used for: from the memory address select target image corresponding with said dielectric attribute.
Target image output unit 606 is used for: the said target image output that will choose.
Utilize present embodiment; Through predefined dielectric attribute, said dielectric attribute can be artificial the setting, certain physical features that also can be carried by scan objects; Can use multiple light source respectively to after being scanned respectively by scan objects; Obtain and each light source target image relatively, because scan objects has dielectric attribute, behind the dielectric attribute that can have through the evaluating objects image; According to the corresponding relation of said dielectric attribute and memory address, select target image from its corresponding memory address.Because memory address and various light source are one to one, thereby choose through image specific light source scanning, that need.
Wherein, in the above-described embodiments, can also comprise:
The light source selected cell is used for: select two or more light sources according to said dielectric attribute, scanned respectively by scan objects said being used for.
Wherein, in the above-described embodiments, can also comprise:
The target image assembled unit is used for: according to said dielectric attribute, with sending to said target image output unit after the said target image combination of choosing, by said target image output unit output.
Wherein, in the above-described embodiments, can also comprise:
PRN device or computer or image processing equipment are used for: export said target image.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the method for an images acquired is characterized in that, comprises step:
Setting is by the corresponding relation of the dielectric attribute of scan objects and said dielectric attribute and memory address; Said memory address is corresponding with various light sources respectively, and said dielectric attribute is said by the size of scan objects, said specific image or the said mark that when printing, is increased by scan objects that is comprised at ad-hoc location by scan objects;
Use at least two kinds of said light sources to be scanned by scan objects, obtain the corresponding target image of some and said light source said;
Said target image is stored into respectively in the memory address corresponding with said light source;
Analyze the said dielectric attribute in the said target image;
The said target image that output is chosen behind the select target image from the memory address corresponding with said dielectric attribute.
2. the method for claim 1 is characterized in that, carries out selecting said light source according to said dielectric attribute before the said scanning.
3. the method for claim 1 after the select target image, before said output step, is characterized in that from the memory address corresponding with said dielectric attribute, also comprises step:
Make up said target image.
4. method as claimed in claim 3 is characterized in that, said combination is specially:
The said target image that to choose according to said dielectric attribute makes up.
5. the method for claim 1 is characterized in that, also comprises step:
Said target image is outputed to PRN device or computer or image processing equipment.
6. the equipment of an images acquired is characterized in that, comprising:
The dielectric attribute setup unit; Be used for: set by the corresponding relation of the dielectric attribute of scan objects and said dielectric attribute and memory address; Said memory address is corresponding with various light sources respectively, and said dielectric attribute is said by the size of scan objects, said specific image or the said mark that when printing, is increased by scan objects that is comprised at ad-hoc location by scan objects;
At least two kinds of light sources are used for: scanned respectively by scan objects said, obtain the corresponding target image of some and said light source;
The target image memory cell is used for: store said target image into the memory address corresponding with said light source respectively;
The target image analytic unit is used for: the said dielectric attribute of analyzing said target image;
The target image selected cell is used for: from the memory address select target image corresponding with said dielectric attribute;
The target image output unit is used for: the said target image output that will choose.
7. the equipment of images acquired as claimed in claim 6 is characterized in that, also comprises:
The light source selected cell is used for: select two or more light sources according to said dielectric attribute, scanned respectively by scan objects said being used for.
8. the equipment of images acquired as claimed in claim 6 is characterized in that, also comprises:
The target image assembled unit is used for: according to said dielectric attribute, with sending to said target image output unit after the said target image combination of choosing, by said target image output unit output.
9. the equipment of images acquired as claimed in claim 6 is characterized in that, said target image output unit is PRN device, computer or image processing equipment.
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| CN114694296A (en) * | 2020-12-31 | 2022-07-01 | 深圳怡化电脑股份有限公司 | Image acquisition method and device, electronic equipment and storage medium |
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| CN1809115A (en) * | 2005-01-19 | 2006-07-26 | 致伸科技股份有限公司 | Scanning method of image scanner |
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| CN1248030A (en) * | 1998-06-19 | 2000-03-22 | 矽感微讯公司 | Hybrid illuminator for accelerating integration of light in image sensing system |
| CN1809115A (en) * | 2005-01-19 | 2006-07-26 | 致伸科技股份有限公司 | Scanning method of image scanner |
| CN1905608A (en) * | 2005-07-25 | 2007-01-31 | 株式会社东芝 | Image input apparatus and image forming method |
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