CN102223460B - Nondestructive quick file photographing instrument - Google Patents
Nondestructive quick file photographing instrument Download PDFInfo
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- CN102223460B CN102223460B CN 201110162164 CN201110162164A CN102223460B CN 102223460 B CN102223460 B CN 102223460B CN 201110162164 CN201110162164 CN 201110162164 CN 201110162164 A CN201110162164 A CN 201110162164A CN 102223460 B CN102223460 B CN 102223460B
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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 the digitlization processing technique field such as books, archives, document, specially refer to a kind of nondestructive quick file photographing instrument.
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 now digitlization processing 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, again bookbinding after having scanned), and disassemble with the infringement of rebinding processing object very large, 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 the lower one page of processing object Rotate 180 ° ability scanning, 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 picture-taking mode of digital camera 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 slightly arranged, 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 operating efficiency and the crudy of following process, and common digital camera all can be because of the 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 excessively dark 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 the line color of the writing of the over-exposed literal that makes the center or figure be excessively shallow, 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 that image processing is processed reduces greatly, and the difficult quality of processing reaches requirement.Although can use high performance digital camera or camera lens can solve " dark angle " problem, can significantly strengthen cost.
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 processing simple several light sources of 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 impact of environment larger, even the image that can aggravate to take pictures " dark angle " degree.
Summary of the invention
The objective of the invention is to propose a kind of nondestructive quick file photographing instrument, with convenient, fast, finish the processing of digital document in high quality.
Nondestructive quick file photographing instrument of the present invention 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.
Above-mentioned nondestructive quick file photographing instrument 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, consist of 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,, can not occur " dark angle " so that the image exposure of reproduction is even, guarantee picture quality, be conducive to 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 process.
Further, the visual field of described imageing sensor have at least two relative 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 two pages of odd evens when the document reproduction takes pictures, 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:
The first: described document carriage is a rectangle glass panel 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, so that 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 impact on taking pictures of main light source and secondary light source as far as possible.
Further, described main light source and secondary light source consist of by strip-shaped light source and the light barrier that is arranged on described strip-shaped light source side.Light barrier can limit the irradiating angle of strip-shaped light source, thereby limits its range of exposures, controls better the brightness of the position of being taken pictures.
Further, the edge brightness of described strip-shaped light source is greater than central brightness, to eliminate better the appearance at " dark angle ".
The second: described document carriage is made of two sides rectangle glass panel, 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 main light source and the 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 the first secondary light source is fixed in the middle position of tank floor, and the 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 the first structure, this kind structure can be finished taking pictures of odd even page or leaf simultaneously, but the Effective Raise operating efficiency.
Further, described directive property light source also comprises the second secondary light source, and described the 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.The 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, the first secondary light source consist of by strip-shaped light source and the light barrier that is arranged on described strip-shaped 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 impact on taking pictures of main light source and each secondary light source as far as possible.
Nondestructive quick file photographing instrument of the present invention has " two zero back gauge " machining functions, need not disassemble bookbinding when taking pictures, and is easy and simple to handle; Disposed simultaneously non-uniform lighting stable, that reach optimum illumination system, be not subjected to ambient light according to condition influence, solved the inhomogeneous and accurate exposure problems of exposure, the image exposure that obtains accurately, even, post-processed is conveniently.
Description of drawings
Fig. 1 is the front view of the nondestructive quick file photographing instrument of embodiment 1.
Fig. 2 is the end view of the nondestructive quick file photographing instrument of embodiment 1.
Fig. 3, Fig. 4 are the use view of the nondestructive quick file photographing instrument of embodiment 1.
Fig. 5 is the front view of the nondestructive quick file photographing instrument of embodiment 2.
Fig. 6 is the end view of the nondestructive quick file photographing instrument of embodiment 2.
Fig. 7 is the front view of the nondestructive quick file photographing instrument of embodiment 3.
Embodiment
The below contrasts accompanying drawing, by the description to embodiment, 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 1:
As shown in Figure 1, 2, the nondestructive quick file photographing instrument of present embodiment comprises casing 1, the end face of casing 1 is provided be used to the rectangle glass panel 2 of making 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 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 excessively low, need to 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 again reflective.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 lower light barrier 7, upper 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, lower 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-shaped light source of main light source 4 and secondary light source 5 is greater than central brightness, to reduce better the appearance at " dark angle ", 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 process, avoid increasing the weight of because inwall is reflective degree of irregularity, can adjust according to situation reflective in the casing and illumination density, position distance, the angle of light barrier, the position of LED lamp pearl, 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 photographing casing 1, 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 photographing casing 1, and is close to face glass 2 left zero back gauges, and page turning enters next operational cycle behind the verso of having taken pictures.
Embodiment 2:
Shown in Fig. 5,6, the nondestructive quick file photographing instrument of present embodiment comprises casing 9, the end face of casing 9 is provided be used to the two sides rectangle glass panel 10 of making 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, the first secondary light source 13 and the second secondary light source 14, wherein:
The first secondary light source 13 is fixed in the middle position of tank floor, the 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, the first secondary light source 13 is made of barcode LED light source and the light barrier 17 that is arranged on described strip-shaped 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 processed, and reaches namely to provide to throw light on and the purpose of no-reflection.
The second secondary light source 14 has two, and vertically is fixed in respectively the tank wall middle position of face glass minor face side, 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 simultaneously taking pictures of odd even page or leaf, but the Effective Raise operating efficiency.
Embodiment 3:
As shown in Figure 7, the nondestructive quick file photographing instrument of present embodiment is substantially the same manner as Example 2, its inside is provided with imageing sensor 11, main light source 12, the first secondary light source 13 and the second secondary light source 14, the both sides that main light source 12 inside and outside both sides arrange 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 glass panel 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 for the spine of the accommodating books of being taken pictures, and a side opening of casing 9 is to be used for taking, placing 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 glass panel 10, when taking pictures, " V " shape pressing plate is pressed in take pictures page upward (not the drawing pressing plate among Fig. 7) of books.
Claims (6)
1. nondestructive quick file photographing instrument, comprise casing, the end face of described casing is provided with the rectangle glass panel with as 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; 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; Described main light source and secondary light source consist of by barcode LED light source and the light barrier that is arranged on described strip-shaped light source side, and it is close that the LED lamp pearl of barcode LED light source is arranged to both sides, middle layout of dredging is so that the edge brightness of described barcode LED light source is greater than central brightness.
2. nondestructive quick file photographing instrument according to claim 1, the visual field that it is characterized in that described imageing sensor have at least two relative edges and this imageing sensor over against the corresponding edge of document carriage overlap.
3. nondestructive quick file photographing instrument according to claim 1 and 2, 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.
4. a nondestructive quick file photographing instrument comprises casing, and the end face of described casing is provided with the document carriage that is made of two sides rectangle glass panel, and the edge, long limit of described two sides face glass offsets to form inverted v-shaped structure; Be equipped with two in the casing and be fixed in tank floor and over against the imageing sensor of document carriage, each imageing sensor is all over against the face glass in its distally; 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; Described directive property light source comprises main light source and the 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 the first secondary light source is fixed in the middle position of tank floor, and the first secondary light source is towards the connecting position of two sides face glass; Described main light source and secondary light source consist of by barcode LED light source and the light barrier that is arranged on described strip-shaped light source side, and it is close that the LED lamp pearl of barcode LED light source is arranged to both sides, middle layout of dredging is so that the edge brightness of described barcode LED light source is greater than central brightness.
5. nondestructive quick file photographing instrument according to claim 4, it is characterized in that described directive property light source also comprises the second secondary light source, described the 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.
6. nondestructive quick file photographing instrument according to claim 5, 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110162164 CN102223460B (en) | 2011-06-16 | 2011-06-16 | Nondestructive quick file photographing instrument |
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| CN 201110162164 CN102223460B (en) | 2011-06-16 | 2011-06-16 | Nondestructive quick file photographing instrument |
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| CN102223460A CN102223460A (en) | 2011-10-19 |
| CN102223460B true CN102223460B (en) | 2013-04-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105554341A (en) * | 2016-01-26 | 2016-05-04 | 深圳市智慧恒迪科技有限公司 | Scanner |
| 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 |
| 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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| CN2712000Y (en) * | 2004-06-10 | 2005-07-20 | 虹光精密工业（苏州）有限公司 | Book scanner with uniform light source structure |
| US7746517B2 (en) * | 2007-01-25 | 2010-06-29 | Lexmark International, Inc. | Image illumination and capture in a scanning device |
| CN101603652B (en) * | 2008-06-13 | 2011-12-07 | 东友科技股份有限公司 | Light source projection device for scanning module and light source arraying method thereof |
| CN201282506Y (en) * | 2008-11-12 | 2009-07-29 | 王震 | Light source box for image scanning input device of high speed scanner and duplicator |
| CN201311542Y (en) * | 2008-12-02 | 2009-09-16 | 成都中科数据信息有限公司 | Volume file digital copying device |
| CN201504275U (en) * | 2009-06-30 | 2010-06-09 | 王震 | Two-page synchronous scanner for book |
| CN202085227U (en) * | 2011-06-16 | 2011-12-21 | 广东清华文通科技有限公司 | Non-damage fast document photographing apparatus |
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