CN102223460A - Nondestructive quick file photographing instrument - Google Patents
Nondestructive quick file photographing instrument Download PDFInfo
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- CN102223460A CN102223460A CN 201110162164 CN201110162164A CN102223460A CN 102223460 A CN102223460 A CN 102223460A CN 201110162164 CN201110162164 CN 201110162164 CN 201110162164 A CN201110162164 A CN 201110162164A CN 102223460 A CN102223460 A CN 102223460A
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Abstract
The invention provides a nondestructive quick file photographing instrument which can conveniently and quickly complete the processing to file digitization with high quality, and comprises a box body, wherein the top surface or the bottom surface of the box body is provided with a file bracket, the box body is internally provided with an image sensor which is opposite to the file bracket, the box body is internally provided with a plurality of directional light sources directing different positions, so that the brightness at the central position of the file bracket is gradually weakened compared with the brightness at the edge position of the file bracket, the directional light sources are arranged outside the view angle of the image sensor, and at least opposite edges of the view field of the image sensor are coincided with the corresponding edges of the file bracket opposite to the image sensor. The invention has the advantages that the 'double-zero margin' processing function is provided, binding disassembling is free, and the operation is simple and convenient; and simultaneously, a stable non-uniform illuminating system with the best illuminating degree is configured, so that the influences of external lighting conditions are free; and the obtained image exposure is correct and uniform, and the postprocessing is convenient.
Description
Technical field
The invention belongs to digitlization processing technique field such as books, archives, document, specially refer to the quick document of a kind of not damaged instrument of taking pictures.
Background technology
Current a lot of paper document needs digitlization to be processed into electronic document, conveniently to pass round, to store and processing etc.Main force's equipment of the processing of digitlization now is various types of scanners, along with popularizing of digital photographic technology, use digital camera and carry out the more and more of digital document processing, its working method is to place a camera that is connected with computer in the position perpendicular to the object of being taken pictures, and the image of taking pictures is directly stored in the computer.There is following problem in the working method of above-mentioned scanner and digital camera:
1. by the smooth problem of object of being taken pictures.The image that must smooth storing just can be taken pictures out and conform to quality requirements by the object of taking pictures, yet, most being taken pictures to liking bound books, archives, document etc., solve smooth problem two approach are arranged, disassemble bookbinding and pressing, wherein disassembling the bookbinding processing mode, not only workflow is loaded down with trivial details (disassembles bookbinding, bookbinding again after having scanned), and disassemble and rebind the infringement of processing object very big, some ancient, precious books, archives, document are because of of the remote past, the paper crisp fritter can not adopt the mode of disassembling bookbinding to process.In order to solve the bookbinding problem of disassembling, " monolateral zero back gauge scanner " appearred in recent years, but " monolateral zero back gauge scanner " is because of the characteristic of its structure, only solved the problem of monolateral zero back gauge, the every scanning one page of processing personnel must be with one page under ° ability scanning of processing object Rotate 180, finish the scanning of odd even page or leaf, this mode of operation is loaded down with trivial details, and efficient is low.Process with the digital camera shooting style and can accomplish not disassemble bookbinding, but must flatten the document of being taken pictures with the take pictures flexural deformation problem of image of solution.The pressing operation of traditional working method of taking a crane shot is difficulty relatively, needs to flatten crooked or the irregular face of taking pictures by special instrument, can not block the camera lens visual angle again, and injustice is arranged slightly, and the image of taking pictures will show flexural deformation, has a strong impact on picture quality.
2. exposure uniformity problem.The exposure uniformity of manuscript picture of taking pictures is very important, directly have influence on the operating efficiency and the crudy of following process, and common digital camera all can be because of existence such as characteristic " dark angle " problem in various degree of camera lens, when causing the literal class of taking pictures, graphics class document, the background colour because of under-exposed making " dark angle " position of " dark angle " position is dark excessively around being in the document, the abnormally flat of the writing of literal or the lines of figure and background, when serious and background lump together; The picture centre position but can be because of the line color of the writing of the over-exposed literal that makes the center or figure be shallow excessively, and also with the abnormally flat of background, " broken string " phenomenon appears in writing or lines when serious.The color of center light color writing or lines lumps together with " dark angle " location context look, makes computer be difficult to carry out batch process, and the efficient of image processed reduces greatly, and the difficult quality of processing reaches requirement.Though can use high performance digital camera or camera lens can solve " dark angle " problem, can strengthen cost significantly.
3. lighting problem.The reproduction processing of specialty is to need special operating room, disposes special houselights, and taking pictures is to carry out at darker environment, to avoid the interference of external light source.And common several light sources of a processing simple configuration of taking pictures carry out light filling, are difficult to accomplish that the characteristic according to camera, camera lens disposes lighting source accurately.Not only illumination is subjected to the influence of environment bigger, even the image that can aggravate to take pictures " dark angle " degree.
Summary of the invention
The objective of the invention is to propose the quick document of a kind of not damaged instrument of taking pictures, with convenient, fast, finish the processing of digital document in high quality.
The quick document of the not damaged of the present invention instrument of taking pictures comprises casing, the end face of described casing or bottom surface are provided with the document carriage, be equipped with in the casing over against the imageing sensor of document carriage, key is to be provided with in the described casing directive property light source of a plurality of sensing diverse locations, become decline trend so that the brightness of marginal position is compared in the brightness of document carriage middle position, described directive property light source is installed on outside the angle of visual field of imageing sensor.
The quick document of the above-mentioned not damaged instrument of taking pictures utilizes casing to form a support, accurately the positioning image transducer with take pictures the position of panel, guarantee that imageing sensor is perpendicular to the panel of taking pictures, stop trapezoidal distortion, the special light source of while casing and configuration, constitute airtight photo environment, avoid external light source to disturb, and the directive property light source has realized that the brightness of document carriage middle position compares the brightness of marginal position and become decline trend, formed a non-uniform lighting field, made that the image exposure of reproduction is even, " dark angle " can not occur, guarantee picture quality, helped the carrying out of subsequent treatment work.In use imageing sensor is connected with computer, the image of taking pictures can directly utilize the supporting software systems of computer to handle.
Further, the visual field of described imageing sensor have at least two opposed edges and this imageing sensor over against the corresponding edge of document carriage overlap, to realize " two zero back gauge ", only needing a translation can finish odd even when the document reproduction takes pictures for two pages, simplify operating process, improved operating efficiency; Removed from simultaneously books, archives, document etc. disassembled bookbinding and rebound workflow, avoided because of digitlization processing to infringements such as books, archives, documents, the digitlization processing of the precious books that can be used for disassembling, archives, document etc.
Specifically, document carriage and directive property light source can have following two kinds of forms:
First kind: described document carriage is a rectangle face glass that is arranged at box top, described directive property light source comprises main light source and secondary light source, described main light source has two, and be separately fixed at the casing place of the both sides minor faces below of face glass, main light source is positioned at outside the angle of visual field of imageing sensor by the face glass reflection, and each main light source is all towards the face glass near this main light source one side; Described secondary light source has two, is separately fixed at the casing place of the below, long limit, both sides of face glass, and each secondary light source is all towards the face glass near this secondary light source one side.This kind structure is the bat mode of facing upward when taking pictures, and can utilize the deadweight of document or by foreign object document entirely is affixed on the face glass, makes the image of taking pictures the flexural deformation problem can not occur.
Further, the range of exposures of described each main light source comprises 1/2nd face glasss near this main light source one side at least, and the homonymy coincident of the proximal of the range of exposures of each main light source and face glass, the range of exposures of described each secondary light source are limited to 1/2nd face glasss near this secondary light source one side; Perhaps the range of exposures of described each main light source is limited to 1/2nd face glasss near this main light source one side, and the homonymy coincident of the proximal of the range of exposures of each main light source and face glass, the range of exposures of described each secondary light source comprise 1/2nd face glasss near this secondary light source one side at least.By the position of above-mentioned main light source and secondary light source and the design of range of exposures, the brightness that not only can make the brightness of document carriage middle position compare marginal position becomes decline trend, can also avoid the reflective influence to taking pictures of main light source and secondary light source as far as possible.
Further, described main light source and secondary light source constitute by strip light source and the light barrier that is arranged on described strip light source side.Light barrier can limit the irradiating angle of strip light source, thereby limits its range of exposures, controls the brightness of the position of being taken pictures better.
Further, the edge brightness of described strip light source is greater than central brightness, to eliminate the appearance at " dark angle " better.
Second kind: described document carriage is made of two sides rectangle face glass, the edge, long limit of described two sides face glass offsets to form inverted v-shaped structure, described imageing sensor has two and be fixed in tank floor, and each imageing sensor is all over against the face glass in its distally; Described directive property light source comprises the main light source and first secondary light source, and described main light source has two, and is individually fixed in the inboard of two imageing sensors, and each main light source is all towards the face glass of homonymy; Described first secondary light source is fixed in the middle position of tank floor, and first secondary light source is towards the connecting position of two sides face glass.When taking pictures, will be taken pictures the document frame on the face glass of two sides, compare at every turn can only the take pictures mode of one page document of first kind of structure, this kind structure can be finished taking pictures of odd even page or leaf simultaneously, can effectively increase work efficiency.
Further, described directive property light source also comprises second secondary light source, and described second secondary light source has two, and is individually fixed in the tank wall middle position of face glass minor face side, and each second secondary light source is all towards the tank wall on opposite.Second secondary light source can effectively be strengthened the illumination to the face glass short brink, eliminates herein " dark angle ".
Further, the range of exposures of described each main light source comprises 1/2nd face glasss near this main light source one side at least, and the homonymy coincident of the proximal of the range of exposures of each main light source and face glass.Described main light source, first secondary light source constitute by strip light source and the light barrier that is arranged on described strip light source side, and the edge brightness of described main light source is greater than central brightness.By the position of above-mentioned main light source and each secondary light source and the design of range of exposures, the brightness that not only can make the brightness of document carriage middle position compare marginal position becomes decline trend, can also avoid the reflective influence to taking pictures of main light source and each secondary light source as far as possible.
The quick document of the not damaged of the present invention instrument of taking pictures has " two zero back gauge " machining functions, need not disassemble bookbinding when taking pictures, and is easy and simple to handle; Disposed non-uniform lighting stable, that reach optimum illumination system simultaneously, be not subjected to ambient light, solved the inhomogeneous and accurate exposure problems of exposure according to condition influence, the image exposure that obtains accurately, even, post-processed is conveniently.
Description of drawings
Fig. 1 is the take pictures front view of instrument of the quick document of the not damaged of embodiment 1.
Fig. 2 is the take pictures end view of instrument of the quick document of the not damaged of embodiment 1.
Fig. 3, Fig. 4 are the take pictures user mode schematic diagrames of instrument of the quick document of the not damaged of embodiment 1.
Fig. 5 is the take pictures front view of instrument of the quick document of the not damaged of embodiment 2.
Fig. 6 is the take pictures end view of instrument of the quick document of the not damaged of embodiment 2.
Fig. 7 is the take pictures front view of instrument of the quick document of the not damaged of embodiment 3.
Embodiment
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are described in further detail embodiment.
Embodiment 1:
As shown in Figure 1, 2, the quick document of the not damaged of the present embodiment instrument of taking pictures comprises casing 1, the end face of casing 1 is provided with the rectangle face glass 2 that is used to do the document carriage, and with its two long limit as " two zero back gauge ", the bottom surface of casing 1 is equipped with the imageing sensor 3 over against face glass 2, the visual field of imageing sensor 3 is a length direction, and two long limit overlaps with two long limits of face glass 2; Be provided with the directive property light source of a plurality of sensing diverse locations in the casing 1, become decline trend so that the brightness of marginal position is compared in the brightness of face glass 2 middle positions, the directive property light source is installed on outside the angle of visual field of imageing sensor 3.
Above-mentioned directive property light source comprises main light source 4 and secondary light source 5, main light source 4 has two, and be separately fixed at the casing place of the both sides minor faces below of face glass 2, main light source 4 is positioned at outside the angle of visual field of imageing sensor 3 by face glass 2 reflections, each main light source 4 is all towards the face glass near this main light source one side, its range of exposures is slightly larger than 1/2nd face glasss 2 near this main light source one side, and the homonymy coincident of the proximal of the range of exposures of each main light source 4 and face glass 2.
Because main light source 4 is in the minor face illumination of face glass 2, the distance of illumination is longer, and the illumination decay can make the mid portion illumination on two long limits of face glass 2 low excessively, need secondary light source 5 suitable light fillings be set in the middle part on long limit, again because the restriction of zero back gauge, the position of light filling is outside the angle of visual field of camera lens, again within the angle of reflection of visual field, and the direct lighting light filling, light source can reflex on the image, light barrier must be set, make the light of illumination both can carry out light filling, not occur reflective again.Specifically, secondary light source 5 has two, be separately fixed at the casing place of the below, long limit, both sides of face glass 2, each secondary light source 5 is all towards the face glass 2 near this secondary light source one side, the range of exposures of each secondary light source 5 at the Width of casing less than 1/2nd face glasss near this secondary light source one side, general is the sixth face glass, probably is 1/2nd face glasss at the Width of casing.
The light barrier of main light source 4 comprises light barrier 6 and following light barrier 7, last light barrier 6 is restricted to homonymy coincident with face glass 2 with the proximal of the range of exposures of main light source 4, following light barrier 7 is restricted to general 3/5ths place's face glasss 2 away from this main light source one side with the distal side edge of the range of exposures of main light source 4, the range of exposures of the main light source 4 of both sides is in the middle position of face glass 2 zone that partially overlaps like this, can strengthen the illumination of its middle position, make the exposure of whole face glass 2 more even.
The light barrier 8 of secondary light source 5 is positioned at the inboard of barcode LED light source, is used for the distal side edge of the range of exposures of secondary light source 5 is limited near in 1/2nd face glasss of this secondary light source one side.
Further, the edge brightness of the strip light source of main light source 4 and secondary light source 5 is greater than central brightness, to reduce the appearance at " dark angle " better, can adopt specifically that LED lamp pearl is arranged to both sides is close, and middle layout of dredging is to form the dark effect in bright centre, both sides.
In addition, casing 1 inwall must be done no-reflection and handle, avoid increasing the weight of degree of irregularity because of inwall is reflective, can adjust density, position distance, the angle of light barrier, the position of LED lamp pearl according to situation reflective in the casing and illumination, thereby make the uniformity reach requirement, can also design special LED control circuit, adjust the luminous flux of diverse location lamp pearl, make the effect of non-uniform lighting better.
As shown in Figure 3, the complete operational cycle of present embodiment is: during the recto 21 of taking pictures, recto 21 is placed on the face glass 2 of taking pictures, verso 22 places the right side of the instrument casing 1 of taking pictures, and be close to face glass 2 right zero back gauges, when deadweight can not the smooth page, can utilize foreign object to flatten the page, after the recto of having taken pictures 21, as shown in Figure 4, manually with document to left, verso 22 is placed on the face glass 2 of taking pictures, recto 21 places the left side of instrument casing 1 of taking pictures, and is close to face glass 2 left sides zero back gauge, and page turning enters next operational cycle behind the verso of having taken pictures.
Embodiment 2:
Shown in Fig. 5,6, the quick document of the not damaged of the present embodiment instrument of taking pictures comprises casing 9, the end face of casing 9 is provided with the two sides rectangle face glass 10 that is used to do the document carriage, the edge, long limit of two sides face glass 10 offsets to form inverted v-shaped structure, the angle of two sides face glass 10 is 90 °, casing 9 bottom surfaces are fixed with two imageing sensors 11, and each imageing sensor 11 is all perpendicular to the center of the face glass 10 in its distally.
Described directive property light source comprises main light source 12, first secondary light source 13 and second secondary light source 14, wherein:
First secondary light source 13 is fixed in the middle position of tank floor, first secondary light source 13 is towards the connecting position of two sides face glass 10, to propose the brightness on high face glass 10 angle limits, two sides, its position height is lower than imageing sensor 11 visual angle lower limbs one segment distance, first secondary light source 13 is made of barcode LED light source and the light barrier 17 that is arranged on described strip light source both sides, the height of light barrier 17 is a little less than imageing sensor 11 visual angle lower limb lines, the inboard of light barrier 17 is done no-reflection and is handled, and reaches promptly to provide to throw light on and the purpose of no-reflection.
Second secondary light source 14 has two, and vertically is fixed in the tank wall middle position of face glass minor face side respectively, and each second secondary light source 14 is all towards the tank wall on opposite, to improve the brightness of corner and minor face on the face glass 10.
When taking pictures, will be taken pictures the document frame on the face glass of two sides, utilize two imageing sensors 11 to finish taking pictures of odd even page or leaf simultaneously, can effectively increase work efficiency.
Embodiment 3:
As shown in Figure 7, the quick document of the not damaged of the present embodiment instrument of taking pictures is substantially the same manner as Example 2, its inside is provided with imageing sensor 11, main light source 12, first secondary light source 13 and second secondary light source 14, the both sides that main light source 12 inside and outside both sides are provided with light barrier 15,16, the first secondary light sources 13 are provided with light barrier 17; Both differences are casing 9 inversions of present embodiment, two sides rectangle face glass 10 is arranged on the bottom surface of casing 9, the place of offseting, edge, long limit of two sides face glass 10 is provided with the groove 18 of the spine that is used for the ccontaining books of being taken pictures, and a side opening of casing 9 is to be used to take, place the books of being taken pictures.
For the page that guarantees to be taken pictures is in formation state, preferably increase identical " V " shape pressing plate of one side shape and two sides rectangle face glass 10, when taking pictures, " V " shape pressing plate is pressed in take pictures page upward (pressing plate does not draw among Fig. 7) of books.
Claims (10)
1. the quick document of not damaged instrument of taking pictures, comprise casing, the end face of described casing or bottom surface are provided with the document carriage, be equipped with in the casing over against the imageing sensor of document carriage, it is characterized in that being provided with in the described casing directive property light source of a plurality of sensing diverse locations, become decline trend so that the brightness of marginal position is compared in the brightness of document carriage middle position, described directive property light source is installed on outside the angle of visual field of imageing sensor.
2. the quick document of the not damaged according to claim 1 instrument of taking pictures, the visual field that it is characterized in that described imageing sensor have at least two opposed edges and this imageing sensor over against the corresponding edge of document carriage overlap.
3. the quick document of the not damaged according to claim 1 and 2 instrument of taking pictures, it is characterized in that described document carriage is a rectangle face glass that is arranged at box top, described directive property light source comprises main light source and secondary light source, described main light source has two, and be separately fixed at the casing place of the both sides minor faces below of face glass, main light source is positioned at outside the angle of visual field of imageing sensor by the face glass reflection, and each main light source is all towards the face glass near this main light source one side; Described secondary light source has two, is separately fixed at the casing place of the below, long limit, both sides of face glass, and each secondary light source is all towards the face glass near this secondary light source one side.
4. the quick document of the not damaged according to claim 3 instrument of taking pictures, the range of exposures that it is characterized in that described each main light source comprises 1/2nd face glasss near this main light source one side at least, and the homonymy coincident of the proximal of the range of exposures of each main light source and face glass, the range of exposures of described each secondary light source are limited to 1/2nd face glasss near this secondary light source one side; Perhaps the range of exposures of described each main light source is limited to 1/2nd face glasss near this main light source one side, and the homonymy coincident of the proximal of the range of exposures of each main light source and face glass, the range of exposures of described each secondary light source comprise 1/2nd face glasss near this secondary light source one side at least.
5. the quick document of the not damaged according to claim 4 instrument of taking pictures is characterized in that described main light source and secondary light source constitute by strip light source and the light barrier that is arranged on described strip light source side.
6. the quick document of the not damaged according to claim 5 instrument of taking pictures, the edge brightness that it is characterized in that described strip light source is greater than central brightness.
7. the quick document of the not damaged according to claim 1 and 2 instrument of taking pictures, it is characterized in that described document carriage is made of two sides rectangle face glass, the edge, long limit of described two sides face glass offsets to form inverted v-shaped structure, described imageing sensor has two and be fixed in tank floor, and each imageing sensor is all over against the face glass in its distally; Described directive property light source comprises the main light source and first secondary light source, and described main light source has two, and is individually fixed in the inboard of two imageing sensors, and each main light source is all towards the face glass of homonymy; Described first secondary light source is fixed in the middle position of tank floor, and first secondary light source is towards the connecting position of two sides face glass.
8. the quick document of the not damaged according to claim 7 instrument of taking pictures, it is characterized in that described directive property light source also comprises second secondary light source, described second secondary light source has two, and is individually fixed in the tank wall middle position of face glass minor face side, and each second secondary light source is all towards the tank wall on opposite.
9. the quick document of the not damaged according to claim 8 instrument of taking pictures, the range of exposures that it is characterized in that described each main light source comprises 1/2nd face glasss near this main light source one side at least, and the homonymy coincident of the proximal of the range of exposures of each main light source and face glass.
10. the quick document of the not damaged according to claim 9 instrument of taking pictures is characterized in that described main light source, first secondary light source constitute by strip light source and the light barrier that is arranged on described strip light source side, and the edge brightness of described main light source is greater than central brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162164 CN102223460B (en) | 2011-06-16 | 2011-06-16 | Nondestructive quick file photographing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162164 CN102223460B (en) | 2011-06-16 | 2011-06-16 | Nondestructive quick file photographing instrument |
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| Publication Number | Publication Date |
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| CN102223460A true CN102223460A (en) | 2011-10-19 |
| CN102223460B CN102223460B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110162164 Active CN102223460B (en) | 2011-06-16 | 2011-06-16 | Nondestructive quick file photographing instrument |
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| CN (1) | CN102223460B (en) |
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| CN105530397A (en) * | 2016-01-26 | 2016-04-27 | 深圳市智慧恒迪科技有限公司 | Light source assembly and scanner |
| CN105554341A (en) * | 2016-01-26 | 2016-05-04 | 深圳市智慧恒迪科技有限公司 | Scanner |
| CN106154692A (en) * | 2016-08-30 | 2016-11-23 | 南京邮电大学 | A kind of ink that shoots is swooned the dye equipment of dynamic video and using method thereof |
| CN110445945A (en) * | 2019-07-31 | 2019-11-12 | 浪潮金融信息技术有限公司 | It is a kind of to eliminate reflective document scanner structure |
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| Publication number | Publication date |
|---|---|
| CN102223460B (en) | 2013-04-24 |
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