CN101867715B - Automatic image shooting system - Google Patents
Automatic image shooting system Download PDFInfo
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- CN101867715B CN101867715B CN2009101300765A CN200910130076A CN101867715B CN 101867715 B CN101867715 B CN 101867715B CN 2009101300765 A CN2009101300765 A CN 2009101300765A CN 200910130076 A CN200910130076 A CN 200910130076A CN 101867715 B CN101867715 B CN 101867715B
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Abstract
The invention relates to an automatic image shooting system. The system comprises a computer, an image capture device, a screen, and an automatic filming program arranged in the computer, wherein the image capture device is used for shooting target objects, and the screen is used for displaying a shooting area. When a target object is moved to make the image of the target object enter the shooting area, the automatic filming program automatically shoots the images of the target object.
Description
Technical field
The present invention relates to a kind of automatic image shooting system, relate in particular to a kind of automatic image shooting system that uses network camera to take file.
Background technology
Modernized society in scientific and technological progress; Image capture unit has been the camera installation of popularizing very much, and generally speaking, image capture unit is as taking pictures or video recording etc.; In addition, image capture unit also begins to be applied on the network camera so that the usefulness of the network teleconference to be provided.Be built in the mobile computer in no matter being or be connected in desktop PC, image capture unit is used extensive day by day.
Along with development of science and technology, the electronization of archive files is also more and more universal, and general archive files is to save as e-file (generally saving as the PDF archives) through scanning means with archive files scanning and with it.But be not that every computer all is provided with scanning means; And this document data only are more simple files such as single face data or business card; Can the use a computer image capture unit of peripheral hardware of user gets off to save as e-file with the image capture of file, and wherein this e-file is image archives (JPEG archives).But the general user still uses the PDF archives that produce through scanning means as much as possible, and its reason is that the PDF archives can make computer read literal and the symbol that is comprised in its archives, and is text and can editing with those literal or symbol transition.
Yet; Because optical character identification technique (Optical Character Recognition; OCR) development reaches its maturity; Letting the user operate the image that image capture unit obtains can analyze the JPEG archives through the optical character identification technique, and can be the text edlin of going forward side by side with the literal that is comprised in the JPEG archives and symbol transition also.Therefore, there is more and more users to select to use image capture unit to obtain the electronic image file of file.
And in practical operation, use image capture unit that the file shooting is obtained document image and can run into the difficulty in the enforcement, for example setting up of file is exactly a knowledge.Be about 60 centimetres owing to generally be arranged at the focusing focal length of the network camera (image capture unit) on the computer on the market; Promptly be applicable to the countenance of taking the user; But not in order to take file; Under situation like this, use image capture unit when user's desire and capture one piece of article on the file, and the user is when handing this document; The user must move to the position that image capture unit can focus with file and just can take, and image capture unit obtains because of the ambiguous document image of hand wobble easily.Reflect this; In order not need each take all must the move position and avoid hand wobble and cause image fog, user file to be positioned on the cubbyhole of static state, the document image that just can obtain not rock; Certainly, the focusing focal length that cooperation image capture unit in position is set of this document frame.But cubbyhole has brought new problem, and just cubbyhole only can be used for fixed place, if need carry cubbyhole moves, is sizable burden to the user.
For convenience's sake, the user gives up cubbyhole and directly file is positioned on the working face (being generally desktop), and adopts the mobile computer that is provided with image capture unit to take.After file was placed on the working face, the loam cake of rotation mobile computer made the image capture unit that is arranged at loam cake approach the file on the working face and takes, to obtain the image of file.But when general image picking up device in notebook computer is taken being positioned over file on the working face; Many problems can take place: be mainly the crooked problem of image-because the image capture unit coverage is not enough; Therefore only taking one separately can obtain incomplete image, so must divide two shootings to utilize the technology of image processing to combine these two images again.And after the user utilizes image capture unit to take the first half of file; The Lower Half of alignment lens file that must move makes image capture unit is so that take; But in the way of move, file is reliably with reference to utensil or reference point, and file is easy to after moving can be crooked and can't be parallel with the file before moving or be positioned on the identical horizontal level; So the image of file Lower Half can produce crooked and can't combine with the image of the file first half, and must retake.Being easy to generate crooked image like this lets the user perplex very much.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned deficiency that prior art exists, a kind of convenient automatic image shooting system that uses is provided.
The technical problem that the present invention will solve also is, to the above-mentioned deficiency that prior art exists, a kind of automatic image shooting system of quick shooting document image is provided.
The technical solution adopted for the present invention to solve the technical problems provides a kind of automatic image shooting system, and this system comprises: an image capture unit, in order to shooting that an object is focused; One screen is clapped image in advance in order to show one, comprises that one clapped object in advance and should clap image in advance; An and automatic shooting program; With so that this image capture unit is taken in advance this object that is arranged in one first focusing range and shown a shooting area and should clap in advance image in the screen-picture of this screen, and whether be positioned at the shooting that judges whether to focus of this shooting area according to this preparatory bat object of clapping image in advance; Wherein, when this preparatory bat object was exceeded this shooting area by judgement, this automatic shooting program was exported an information; When this was clapped in advance object and is positioned at this shooting area, signal was taken in this automatic shooting program output one, makes this image capture unit take and obtain a target image to this object focusing.
Said automatic image shooting system comprises that also a user interface is shown on this screen-picture, selects this image capture unit in this first focusing range or one second focusing range, to take in advance in order to a user to be provided.
The distance of this first focusing range and this image capture unit is less than the distance of this second focusing range and this image capture unit.
This user interface provides the plurality of target thing, and determines according to user-selected object this image capture unit is taken in advance in which focusing range.
This user interface comprises that also one manually takes option, in order to be clicked season this image capture unit and take when should manually taking option.
When this image capture unit was taken in this first focusing range in advance, this object was a business card.
When this image capture unit was taken in this second focusing range in advance, this object was the file of an A4 size.
When this preparatory bat object is positioned at this shooting area; Whether this automatic shooting program had the shooting that judges whether to focus of literal or image according to clapping object in advance; And judged when clapping in advance object that when not having literal or image, this automatic shooting program was exported an error message.
Should clap in advance whether object has literal or image determines according to the quantity that should clap object medium-high frequency data in advance.
When this quantity of clapping in advance object medium-high frequency data during more than or equal to an image high frequency threshold value, this automatic shooting program judges that should clap object in advance has literal or image and export this shooting signal; When this quantity of clapping in advance object medium-high frequency data during less than this image high frequency threshold value, this automatic shooting program judges that should clap object does not in advance have literal or image and export this error message.
This information and this error message are shown in this screen-picture with the dialog box form.
Automatic image shooting system of the present invention also comprises a public address system, in order to output sound.
This information and this error message are exported by this public address system with sound form.
This information makes this clap object in advance and does not cover this shooting area part and be positioned at this shooting area in order to point out a moving direction.
Said automatic image shooting system also comprises an internal memory, is arranged in the computer, in order to store this target image.
This screen is connected in this computer, and this image capture unit also is connected in this computer, and this image capture unit is a network camera.
Said automatic image shooting system also comprises an optical character identification program, in order to analyze this target image and to capture a plurality of image informations in this target image and store these a plurality of image informations in an archive files.
When the image information in this target image comprised a symbol, this image information was stored in the e-mail hurdle in this document archives.
When the image information in this target image comprised phone, this image information was stored in the telephone number hurdle in this document archives.
Automatic image shooting system of the present invention at first is divided into a plurality of focusing ranges with the focusing range of image capture unit; And select to assign image capture unit shootings of in suitable focusing range, focusing through the user, utilize the relative position of shooting area and preparatory bat object in the screen-picture to come the moving target thing again to automatically snap.The focusing range that automatic image shooting system utilization selection of the present invention needs to be reducing the collision of focusing time and image capture unit internal mechanical, and can reduce the focusing time that prior art is used universe search method (GlobalSearch).And the function through a kind of virtual file frame of shooting area, let the user carry cubbyhole in addition and fix object, certainly, use cubbyhole to fix object and also can.In sum; The present invention system of automatically snapping can adjust according to user's various demands (comprise and need take or only take and save demands such as cost to a kind of kind of document various kind of document), and multi-selection gives the user to provide more.
Description of drawings
Fig. 1 is the block schematic diagram of automatic image shooting system first preferred embodiment of the present invention.
The sketch map that Fig. 2 automatically snaps the object that is positioned at first focal range for automatic image shooting system first preferred embodiment of the present invention.
The screen-picture sketch map that Fig. 3 takes for automatic image shooting system first preferred embodiment of the present invention in advance.
Fig. 4 is the block schematic diagram of automatic image shooting system second preferred embodiment of the present invention.
Fig. 5 opens the screen-picture sketch map of automatic shooting program for automatic image shooting system second preferred embodiment of the present invention.
The sketch map that Fig. 6 automatically snaps the object that is positioned at first focal range for automatic image shooting system second preferred embodiment of the present invention.
The screen-picture sketch map that Fig. 7 takes for automatic image shooting system second preferred embodiment of the present invention in advance.
Embodiment
Seeing that prior art can't satisfy user's demand, therefore, the present invention provides a kind of automatic shooting system that is applied to take the paper class file.See also Fig. 1, it is the block schematic diagram of first preferred embodiment of automatic image shooting system of the present invention.Automatic image shooting system 1 comprises a computer 10, image capture unit 11, screen 12, public address system 13, internal memory 14 and automatic shooting program 15, and computer 10 is a desktop PC or mobile computer.Image capture unit 11, screen 12 and public address system 13 are connected to computer 10, and image capture unit 11 is in order to shooting that object is focused, and wherein image capture unit 11 is one to have the network camera of fixed focal length.Screen 12 is used to show in the screen-picture 121 (seeing also Fig. 3) claps image or target image in advance, and public address system 13 is in order to output sound.Internal memory 14 is arranged in the computer 10, in order to store by the captured image of image capture unit 11.15 of automatic shooting programs are installed in the computer 10, in order to shooting that the object that is positioned at focusing range is taken in advance and judged whether to focus.In the present invention's first preferred embodiment; The automatic image shooting system 1 predetermined object of taking is a business card; Therefore the fixed focal length of image capture unit 11 also is set to the focal length of taking business card, and its focal length is to be positioned at the first focusing range F1 (seeing also Fig. 2).
Next the operation of automatic image shooting system of the present invention is described, is please consulted Fig. 2 and Fig. 3 simultaneously.The sketch map that Fig. 2 automatically snaps the object that is positioned at first focal range for automatic image shooting system first preferred embodiment of the present invention, and the screen-picture sketch map that Fig. 3 takes for automatic image shooting system first preferred embodiment of the present invention in advance.Open automatic shooting program 15 earlier, again object T is positioned in the first focusing range F1, as shown in Figure 2.And after automatic shooting program 15 was activated, a user interface 122 was shown on screen 12 screen-pictures 121, and is as shown in Figure 3.On the other hand, after automatic shooting program 15 was activated, image capture unit 11 will be taken the object T that is positioned at the first focusing range F1 in advance.
In the present invention's first preferred embodiment; Since the image capture unit 11 with fixed focal length only can focus in be positioned at the first focusing range F1 by focusing position; But because most of users can't be exactly object T (being business card in the present embodiment) is positioned over this by on the focusing position, thus automatic shooting program 15 utilize user interface 122 help the user with hand moving target thing T to this by on the focusing position.Among Fig. 3, screen-picture 121 display user interfaces 122.User interface 122 shows that one claps an image 123 and a shooting area 1224 in advance in screen-picture 121, wherein claps image 123 in advance and comprises that one claps the image of object 1231 in advance.
When the object T in 11 pairs of user's hands of image capture unit takes in advance; The user can and clap the relative position of 1231 of objects and moving target thing T is moved in shooting area 1224 image of preparatory bat object 1231 in advance through shooting area 1224 in the screen-picture 121.When the image of preparatory bat object 1231 exceeded shooting area 1224, automatic shooting program 15 outputs one information was with the correct moving direction of prompting user.For example: when the right side of preparatory bat object 1231 images exceeds the right side of shooting area 1224,15 of automatic shooting programs produce one with object T toward the information that moves left, with the prompting user toward which side to moving target thing T.And information can be shown in the screen-picture 121 by a dialogue box form, and perhaps, information can form of sound be exported by public address system 13.
In this preferred embodiment, after the image of preparatory bat object 1231 is positioned at shooting area 1224, next automatically snaps program 15 and can judge again whether object T has literal or whether image is taken so that determine.In the image characteristics, literal or image are a kind of high-frequency datas, therefore can judge whether preparatory bat object 1231 has literal or image as long as judge the quantity of the high-frequency data that preparatory bat object 1231 is had.In practical operation, can obtain an image high frequency threshold value through experiment, and the high frequency threshold value is set in the automatic shooting program 15.When the high-frequency data amount of preparatory bat object 1231 during less than the high frequency threshold value; Automatic shooting program 15 judges that clapping object does not in advance have literal or image and export an error message; In order to inform that the user can't take; Wherein error message is the same as information, can the dialog box form be shown in the screen-picture 121 or with form of sound by public address system 13 outputs.But when the high-frequency data of clapping in advance object 1231 during more than or equal to the high frequency threshold value; Automatic shooting program 15 judges that clapping object in advance has literal or image and export one and take signal; Make image capture unit 11 pairs of object T focusings shooting and obtain a target image, target image then is stored in the internal memory 14.
In addition, behind the image of obtaining object, said a plurality of image information analyzed and stored to automatic image shooting system 1 of the present invention also can in archive files to a plurality of image informations in the object image through optical character identification technique (OCR).With the name card image is example, and when comprising a symbol in the image information, image information is stored in the e-mail hurdle in the archive files.And when image information comprised phone (Tel), image information then was stored in the telephone number hurdle in the archive files.That is to say that the user can be through the shooting of focusing of 1 pair of file such as business card of automatic image shooting system of the present invention, the building of data file that can accomplish on the business card put, and do not need the user with the information in the keyboard input business card.
In addition; Please consult Fig. 3 once again, for more perfect functions is provided, user interface 122 also provides one manually to take option one 225; When manual shooting option one 225 is clicked by the user; 15 outputs of automatic shooting program are taken signal and image capture unit 11 are taken, so that let the user force to take, and obtain needed image.
The automatic image shooting system of above-mentioned first embodiment is to be merely the file of taking single size, like business card, and is provided with.Certainly, the present invention takes applicable to the file of multiple size, and is of second preferred embodiment of hereinafter.
See also Fig. 4, it is for the block schematic diagram of automatic image shooting system second preferred embodiment of the present invention.Automatic shooting system 2 comprises a computer 20, image capture unit 21, screen 22, public address system 23, internal memory 24 and automatic shooting program 25; Computer 20, screen 22, public address system 23 and the internal memory 24 all structure with first preferred embodiment are identical; Difference is, is the network camera that can focus automatically to the focus image capture unit 21 taken of object.In addition, automatic shooting program 25 is also slightly different.
Next the operation of automatic image shooting system of the present invention is described, is seen also Fig. 5, it opens the screen-picture sketch map of automatic shooting program for automatic image shooting system second preferred embodiment of the present invention.Open automatic shooting program 25 earlier; Screen-picture 221 display user interfaces 222 of screen 22; Select for the user and user interface 222 comprises target species Class Options such as business card (Business Card) option 2221, file (Document) option 2222 and newspaper (Newspaper) option 2223, its file is the A4 size (file of 297mm * 210mm).Certainly, the target species Class Options that provides of user interface 222 can change to various sizes according to demand.
Please consult Fig. 5 once again; User interface 222 provides the screen-picture 221 of a plurality of target species Class Options; When the user selects business card option 2211; Automatic shooting program 25 is made as image capture unit 21 to the object that is positioned at the first focusing range F1 shooting of focusing, and certainly, object is placed in the first focusing range F1.In like manner; When the object T ' of image capture unit 21 desires shooting is the file of A4 size; The user selects the file option 2222 in the user interface 222, and the object T ' that image capture unit 21 is set as being positioned at the second focusing range F2 takes, and is as shown in Figure 6.And when object is a newspaper; Object then is positioned at the 3rd focusing range F3; And taken by image capture unit 21 focusings; Wherein the distance of the first focusing range F1 and image capture unit 21 is less than the distance of the second focusing range F2 and image capture unit 21, and the distance of the second focusing range F2 and image capture unit 21 is less than the distance of the 3rd focusing range F3 and image capture unit 21, that is the first focusing range F1 and image capture unit 21 is nearest; The second focusing range F2 takes second place, and the 3rd focusing range F3 farthest.
Next be that example is explained with user's select File option 2222; See also Fig. 5 and Fig. 6; After file option 2222 is selected; Automatic shooting program 25 setting of image capture devices 21 are taken in the second focusing range F2 in advance, and the user with hand moving target thing T ' to the second focusing range F2.See also Fig. 7, the screen-picture sketch map that it is taken for automatic image shooting system second preferred embodiment of the present invention in advance.The object T ' that is positioned at the second focusing range F2 when 21 pairs of image capture units focuses and when taking in advance automatically; User interface 222 shows that one claps an image 223 and a shooting area 2224 in advance in screen-picture 221, wherein claps image 223 in advance and comprises that one claps the image of object 2231 in advance.
Object T ' in 21 pairs of user's hands of image capture unit focuses and when taking in advance automatically; The user can and clap the relative position of 2231 of objects and moving target thing T ' makes the image of preparatory bat object 2231 be positioned at shooting area 2224 in advance through shooting area 2224 in the screen-picture 221.When preparatory bat object 2231 exceeded shooting area 2224, automatic shooting program 25 was exported an information with the correct moving direction of prompting user, the no longer explanation as for the information part is identical with the present invention's first preferred embodiment.
In this preferred embodiment; After the image of preparatory bat object 2231 is positioned at shooting area 2224; Next automatically snap program 25 and can judge whether object T ' has literal or whether image is taken so that determine; That is judge that the quantity of clapping the high-frequency data that object 2231 had in advance is whether greater than image high frequency threshold value: when the high-frequency data amount of preparatory bat object 2231 during less than image high frequency threshold value, automatic shooting program 25 judges that clapping object does not in advance have literal or image and export an error message.But when the high-frequency data amount of clapping in advance object 2231 during more than or equal to image high frequency threshold value; Automatic shooting program 25 judges that clapping object in advance has literal or image and export one and take signal; Make image capture unit 21 pairs of object T ' focusings shooting and obtain a target image; And target image is stored in the internal memory 24, and automatic shooting is accomplished, the wherein part of error message and no longer explanation identical with the present invention's first preferred embodiment.Image analysing computer part after automatic shooting is accomplished is also identical with first preferred embodiment and repeat no more.
Know according to above-mentioned; Automatic image shooting system of the present invention at first is divided into a plurality of focusing ranges with the focusing range of image capture unit; And select to assign image capture unit shootings of in suitable focusing range, focusing through the user, utilize the relative position of shooting area and preparatory bat object in the screen-picture to come the moving target thing again to automatically snap.The focusing range that automatic image shooting system utilization selection of the present invention needs to be reducing the collision of focusing time and image capture unit internal mechanical, thereby can reduce the focusing time that prior art is used universe search method (Global Search).And the function through a kind of virtual file frame of shooting area, let the user carry cubbyhole in addition and fix object, certainly, use cubbyhole to fix object and also can.In sum; The present invention system of automatically snapping can adjust according to user's various demands (comprise and need take or only take and save demands such as cost to a kind of kind of document various kind of document), and multi-selection gives the user to provide more.
The above is merely preferred embodiment of the present invention, is not in order to limiting claim of the present invention, and therefore all other do not break away from the equivalence of being accomplished under the disclosed spirit and change or modify, and all should be contained in the claim of this case.
Claims (16)
1. an automatic shooting device is characterized in that, comprising:
Image capture unit is taken with the preparatory bat image that obtains to comprise preparatory bat object and in the screen-picture of a screen an object that is arranged in first focusing range in advance shown a shooting area and the preparatory bat device that should clap image in advance;
Clap in advance should clapping object in advance and whether being positioned at this shooting area and judging whether first judgment means that makes this image capture unit that this object is focused and taken of image according to this;
Second judgment means; When this second judgment means judges that in this first judgment means should clap object in advance is positioned at this shooting area; Clap in advance object according to this and whether have shootings that judge whether to focus of literal or image, wherein should clap object in advance and whether have literal or image and determine according to the quantity of bat object medium-high frequency data in advance; And
Output device;, this first judgment means exports an information when judging that the bat object exceeds this shooting area in advance; Judge to clap in advance in this second judgment means and export an error message when object does not have literal or image, and output one is taken signal so that a target image is taken and obtained to this image capture unit to this object focusing when this first judgment means judges that should clap object in advance is positioned at this shooting area and this second judgment means and judges that should clap object in advance has literal or image.
2. automatic shooting device as claimed in claim 1; It is characterized in that: this is clapped device in advance and also is shown in the option that the user interface on this screen-picture provides for the user according to one, this image capture unit is made as in this first focusing range or second focusing range takes in advance.
3. automatic shooting device as claimed in claim 2 is characterized in that: the distance of this first focusing range and this image capture unit is less than the distance of this second focusing range and this image capture unit.
4. automatic shooting device as claimed in claim 2; It is characterized in that: this user interface provides plurality of target species option, and this is clapped device in advance and determines according to user-selected object kind this image capture unit is taken in advance in which focusing range.
5. automatic shooting device as claimed in claim 2 is characterized in that: this user interface also comprises a manual option of taking, and this output device is exported the shooting signal at this when manually shooting option is clicked makes this image capture unit take.
6. automatic shooting device as claimed in claim 2 is characterized in that: when this image capture unit was taken in this first focusing range in advance, this object was a business card.
7. automatic shooting device as claimed in claim 2 is characterized in that: when this image capture unit was taken in this second focusing range in advance, this object was an A4 size file.
8. automatic shooting device as claimed in claim 1; It is characterized in that: when this quantity of clapping in advance object medium-high frequency data during more than or equal to an image high frequency threshold value, this second judgment means judges that should clap object in advance has literal or image and this this shooting signal of output device output; When this quantity of clapping in advance object medium-high frequency data during less than this image high frequency threshold value, this second judgment means judges that should clap object does not in advance have literal or image and this this error message of output device output.
9. automatic shooting device as claimed in claim 1 is characterized in that: this information and this error message are shown in this screen-picture with the dialog box form.
10. automatic shooting device as claimed in claim 1 is characterized in that: this information and this error message are exported by a public address system with sound form.
11. automatic shooting device as claimed in claim 1 is characterized in that: this information makes this clap object in advance and is positioned at this shooting area in order to point out a moving direction.
12. automatic shooting device as claimed in claim 1 is characterized in that: this target image is stored in the internal memory that is arranged in the computer.
13. automatic shooting device as claimed in claim 12 is characterized in that: this screen is connected in this computer, and this image capture unit also is connected in this computer, and this image capture unit is a network camera.
14. automatic shooting device as claimed in claim 1 is characterized in that: this target image is analyzed through an optical character identification technique and acquisition a plurality of image informations wherein, and these a plurality of image informations are stored in the archive files.
15. automatic shooting device as claimed in claim 14 is characterized in that: when the image information in this target image comprised a symbol, this image information was stored in the e-mail hurdle in this document archives.
16. automatic shooting device as claimed in claim 14 is characterized in that: when the image information in this target image comprised telephone number information, this image information was stored in the telephone number hurdle in this document archives.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101300765A CN101867715B (en) | 2009-04-14 | 2009-04-14 | Automatic image shooting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101300765A CN101867715B (en) | 2009-04-14 | 2009-04-14 | Automatic image shooting system |
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| CN101867715A CN101867715A (en) | 2010-10-20 |
| CN101867715B true CN101867715B (en) | 2012-11-07 |
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| CN2009101300765A Expired - Fee Related CN101867715B (en) | 2009-04-14 | 2009-04-14 | Automatic image shooting system |
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| CN103685907B (en) * | 2012-09-26 | 2019-04-05 | 联想(北京)有限公司 | A kind of method and electronic equipment of Image Acquisition |
| EP3254249A1 (en) * | 2015-02-03 | 2017-12-13 | Jumio Corporation | Systems and methods for imaging identification information |
| CN107172342A (en) * | 2016-03-08 | 2017-09-15 | 张立秀 | A kind of automatic tracking shooting system and method |
| CN106803893B (en) * | 2017-03-14 | 2020-10-27 | 联想(北京)有限公司 | Prompting method and electronic equipment |
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|---|---|---|---|---|
| US6301440B1 (en) * | 2000-04-13 | 2001-10-09 | International Business Machines Corp. | System and method for automatically setting image acquisition controls |
| US20030113015A1 (en) * | 2001-12-18 | 2003-06-19 | Toshiaki Tanaka | Method and apparatus for extracting text information from moving image |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6301440B1 (en) * | 2000-04-13 | 2001-10-09 | International Business Machines Corp. | System and method for automatically setting image acquisition controls |
| US20030113015A1 (en) * | 2001-12-18 | 2003-06-19 | Toshiaki Tanaka | Method and apparatus for extracting text information from moving image |
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| Title |
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| JP特开2006-174105A 2006.06.29 |
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