CN103679901A - Method for improving OCR (Optical Character Recognition) certificate recognition efficiency and visitor registration integrated machine - Google Patents
Method for improving OCR (Optical Character Recognition) certificate recognition efficiency and visitor registration integrated machine Download PDFInfo
- Publication number
- CN103679901A CN103679901A CN201310740875.0A CN201310740875A CN103679901A CN 103679901 A CN103679901 A CN 103679901A CN 201310740875 A CN201310740875 A CN 201310740875A CN 103679901 A CN103679901 A CN 103679901A
- Authority
- CN
- China
- Prior art keywords
- certificate
- ocr
- visitor
- control module
- main control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012015 optical character recognition Methods 0.000 title abstract description 63
- 239000011159 matrix material Substances 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 4
- 230000009885 systemic effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000005341 toughened glass Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009966 trimming Methods 0.000 abstract 1
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 208000003164 Diplopia Diseases 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Landscapes
- Character Discrimination (AREA)
Abstract
The invention relates to a method for improving the OCR (Optical Character Recognition) certificate recognition efficiency and a visitor registration integrated machine based on the same. The visitor registration integrated machine comprises a touch display screen, an OCR certificate recognition unit, a thermal printer, a human face snapshot camera, an internet access, a telephone interface, a USB (Universal Serial Bus) interface, an on-off button, an alternating-current supply input interface, a card distributor and an identity card reader, wherein the OCR certificate recognition unit internally comprises OCR certificate recognition system image input equipment, an image position trimming structural member, a supplementary light matrix, a certificate bearing stage, a front light-reflecting flat mirror and a support structural member. According to the method, the supplementary light uniformity of the OCR certificate recognition unit is improved, and further the OCR certificate recognition effect is greatly improved. Compared with the prior art, the visitor registration integrated machine has the advantages of simple supplementary light circuit, low false rejection rate and false accept rate, high recognition speed, ease of use, and the like.
Description
Technical field
The present invention relates to OCR(Optical Character Recognition) certificate recognition technology field, relate in particular to a kind of method and visitor's registration integral machine of the OCR of raising certificate recognition efficiency.
Background technology
As everyone knows, visitor's register system refers to can effectively realize the device that personnel's turnover situation is registered and searched fast, it is mainly used in certificate information, image informations full and accurate, the visiting personnel of record fast, and providing multimode inquiry easily to visiting information, present stage visitor register system generally forms by guest machine and with the supporting software systems of guest machine.
In existing guest machine OCR certificate recognition system, image input device mainly adopts scanner or camera, and be provided with light filling parts and scanner or camera cooperating, during use, certificate to be identified is placed on to the ad-hoc location of certificate bearing area, open light filling circuit, supplementary lighting sources timesharing in light filling matrix produces the light (at least needing 2 kinds of LED as supplementary lighting sources) of different-waveband, image input device carries out respectively certificate image (personnel's head portrait) and Word message (name, sex, national, go out the birthday, address, passport NO.) location and identification.
Wherein adopt scanner mainly to have following problem as the image input device of OCR certificate recognition system: one, recognition speed is slow, two, reject rate and misclassification rate high, three, have a physical damage, four, noise is large; Adopt camera mainly to have following problem as the image input device of OCR certificate recognition system: one, reject rate and misclassification rate are high, two, certificate can need to be fixed on specific region in cog region, ease for use is poor, three, light filling circuit is complicated, need supplementary lighting sources timesharing to produce the light of different-waveband, identification equipment is analyzed identification to the image under different-waveband.
Summary of the invention
The present invention is directed to the shortcoming and defect existing in prior art, propose that a kind of light filling circuit is simple, reject rate is low, misclassification rate is low, recognition speed is fast, ease for use is good, have no mechanical damage, the advantage such as noiselessness, light filling homogeneity be can greatly improve, and then method and visitor's registration integral machine of the raising OCR certificate recognition efficiency of OCR certificate recognition effect greatly improved.
The present invention can reach by following measures:
A kind of method that improves OCR certificate recognition efficiency, it is characterized in that certificate to be identified to be placed on behind certificate identification bearing area, LED light source in the light filling matrix of master control module controls certificate plummer both sides is luminous, light filling matrix sends visible ray, visible ray is uniformly distributed in certificate plummer, certificate on certificate plummer is through the reflection of front reflective plane mirror, make reflected image by camera collection to, the certificate image collecting is cut out and processed, then send main control module to, main control module is identified certificate image, output text message, wherein establishing the long limit of certificate and certificate plummer base angle is θ, after the reflection quilt camera collection of the premenstrual reflective plane mirror of certificate arrives, first certificate image is carried out to maximum area cutting, then with system preset the contrast of certificate dimensional parameters value, when the certificate image after cutting is identical with systemic presupposition parameter, automatically proceed to certificate identification process, when the certificate image after cutting is not identical with systemic presupposition parameter, θ value is subtracted after 1 °, then certificate image is carried out to maximum area cutting, and with system in default certificate dimensional parameters value contrast, to θ=0 o'clock, the area that certificate image carries out after maximum area cutting is minimum by that analogy.
A kind of visitor's registration integral machine that utilizes the method for above-mentioned raising OCR certificate recognition efficiency, it is characterized in that being provided with OCR certificate recognition unit, OCR certificate recognition unit comprises camera, reflective mirror, certificate plummer, light filling matrix, the light filling circuit being connected with light filling matrix, the main control module being connected with camera with light filling circuit respectively, the picture position fine tuning structure part being connected with camera, light filling matrix comprises riser and is fixed on the LED light source on riser, wherein plural LED light source is lined up many rows, the light filling matrix of two equal numbers is separately fixed at the both sides of certificate plummer, reflective mirror is fixed on the place ahead of certificate plummer, camera is fixed on the back side top of certificate plummer through picture position fine tuning structure part.
In the present invention, certificate plummer is the table top that transparent toughened glass is made, and is preferably rectangle table top, and length and width scope is preferably 12cm * 9cm.
In the present invention, reflective mirror is compared with common reflective mirror, has and on eyeglass, is provided with reflecting coating, can effectively shorten the distance of camera and certificate plummer, and can effectively reduce " diplopia " that common reflective mirror forms.
In the present invention, be also provided with the touch control display being connected with main control module, the card reader of ID card being connected with main control module, the thermal printer being connected with main control module, be connected with main control module and be fixed on the telephony interface for capturing people's face camera of visitor's portrait, the network communication interface being connected with main control module and being connected with main control module of body rear side.
Touch control display described in the present invention, for display system software interface, and controls visitor's registration integral machine; Described OCR certificate recognition unit comprises OCR certificate recognition system image input device (camera), picture position fine tuning structure part, light filling matrix, certificate plummer, front reflective plane mirror and supporting structure, described OCR certificate recognition unit, for certificate is carried out to image acquisition, is identified the image transmitting of collection to main control module; OCR certificate recognition system image input device (camera), be fixed on the fine tuning structure part of picture position, the certificate that control light filling matrix is opposite on certificate plummer carries out light filling, by front reflective plane mirror, gather image, and by USB, be transferred to main control module and carry out certificate identification, described OCR certificate recognition system image input device includes external trigger IO mouth, and external trigger IO mouth can produce low and high level to be changed; Described picture position fine tuning structure part, the position of adjustable OCR certificate recognition system image input device, makes image acquisition region mate with certificate plummer; Described light filling matrix, this module contains LED element, DCDC power supply voltage stabilizing chip and the peripheral circuit that emission spectrum scope drops on visible region.Wherein the enable pin of DCDC power supply voltage stabilizing chip, is controlled by the external trigger IO mouth of OCR certificate recognition system image input device; Described certificate plummer, is certificate put area and recognition region, and scope is 12cm*9cm; Described front reflective plane mirror, can shorten the distance of OCR certificate recognition system image input device and certificate plummer, eliminates " diplopia " that common reflective mirror forms, improves the binaryzation accuracy rate of image; Described supporting structure is the body junction member of OCR certificate recognition unit; Thermal printer, is connected with main control module, for printing visitor information and the unique Quick Response Code corresponding with visitor information; People's face is captured camera, is connected with main control module, realizes the candid photograph of visitor people's face, and image transmitting is preserved to main control module; Network interface, is connected with server by netting twine, realizes network service; Described telephony interface, by external telephone set and telephone exchange, can dial interviewed people's phone automatically, notifies interviewed people to have visitor; Described USB interface is connected with main control module, can external access of mouse, the equipment such as keyboard; Described switching on and shutting down button, realizes start and the shutdown of visitor's registration integral machine; Described AC power input interface is connected with main control module, the power input interface of visitor's registration integral machine; Described card sender is connected with main control module, for ISO/IEC15693 agreement card sender, is connected with main control module; Described card reader of ID card, is connected with main control module, realizes directly reading of China second-generation identity card, and by recognition communication to main control module.
When the present invention uses, when visitor's visiting, first show perfect instrument, if I.D., card reader of ID card collection by visitor's registration integral machine, record identity information, to interviewed people examine receive visiting after, single or provide visa card by thermal-sensitive printer printing visitor, when visitor leaves, by brush visa card or the OCR certificate recognition unit that adopts visitor's registration integral machine to visitor singly take pictures sign from; When visitor is visiting, show be the certificate not directly reading of non-I.D. class time, by the OCR certificate recognition unit collection in visitor's registration integral machine, record certificate information, to interviewed people examine receive visiting after, single or the granting visa card by thermal-sensitive printer printing visitor, when visitor leaves, by brush visa card or the OCR certificate recognition unit that adopts visitor's registration integral machine to visitor singly take pictures sign from; Wherein the visiting certificate information of visitor can upload onto the server, and realizes remote inquiry, management.
The present invention compared with prior art, have the following advantages: 1, light filling circuit is simple: the LED element that circuit only adopts emission spectrum scope to drop on visible region forms, by image input device-camera, control and carry out light filling, reduced the kind of light filling LED, simplified certificate identification step; 2, reject rate, misclassification rate are low: improve light filling homogeneity, the binaryzation accuracy rate of image is improved, reject rate and misclassification rate obviously reduce; 3, recognition speed is fast: existing OCR certificate recognition technology, need supplementary lighting sources timesharing to produce the light (at least needing 2 kinds of LED as supplementary lighting sources) of different-waveband, carry out respectively location and the identification of certificate image (personnel's head portrait) and Word message (name, sex, nationality, go out birthday, address, passport NO.).The present invention simplifies supplementary lighting sources, and the LED element that supplementary lighting sources only adopts emission spectrum scope to drop on visible region forms, and the step of certificate image and Word message identification is united two into one, and shortens the light filling time, simplifies identification step, improves recognition speed; 4, ease for use is good: existing OCR certificate recognition system, and require certificate to fix in the position of certificate plummer, leave this position None-identified.The present invention optimizes OCR recognizer, within the scope of certificate carrying identification window, can carry out optional position identification to certificate.
accompanying drawing explanation:
Accompanying drawing 1 is the one-piece construction schematic diagram of visitor's registration integral machine.
Accompanying drawing 2 is one-piece construction left views of visitor's registration integral machine.
Accompanying drawing 3 is one-piece construction right views of visitor's registration integral machine.
Accompanying drawing 5 is workflow diagrams of OCR certificate recognition unit.
Accompanying drawing 6 is workflow diagrams of visitor's registration integral machine.
Reference numeral: touching display screen 1, OCR certificate recognition unit 2, thermal printer 3, people's face are captured camera 4, network interface 5, telephony interface 6, USB interface 7, switching on and shutting down button 8, AC power input interface 9, OCR certificate recognition system image input device 10, picture position fine tuning structure part 11, light filling matrix 12, certificate plummer 13, front reflective plane mirror 14, supporting structure 15, card sender 16, card reader of ID card 17.
embodiment:
Below in conjunction with drawings and Examples, the present invention is further illustrated.
embodiment 1:
As shown in Figures 1 to 4, the present invention proposes a kind of visitor's registration integral machine, comprising: touching display screen 1, OCR certificate recognition unit 2, thermal printer 3, people's face are captured camera 4, network interface 5, telephony interface 6, USB interface 7, switching on and shutting down button 8, AC power input interface 9, card sender 16, card reader of ID card 17.
Described touch control display 2, for display system software interface, and controls visitor's registration integral machine.
Described OCR certificate recognition unit 2, inside comprises 6 modules: OCR certificate recognition system image input device 10, picture position fine tuning structure part 11, light filling matrix 12, certificate plummer 13, front reflective plane mirror 14, supporting structure 15, described OCR certificate recognition unit 2, for certificate is carried out to image acquisition, is identified the image transmitting of collection to main control module.
Described thermal printer 3, is connected with main control module, for printing visitor information and the unique Quick Response Code corresponding with visitor information.
Described people's face is captured camera 4, is connected with main control module, realizes the candid photograph of visitor people's face, and image transmitting is preserved to main control module.
Described network interface 5, is connected with server by netting twine, realizes network service.
Described telephony interface 6, by external telephone set and telephone exchange, can dial interviewed people's phone automatically, notifies interviewed people to have visitor.
Described USB interface 7, can external access of mouse, the equipment such as keyboard.
Described switching on and shutting down button 8, realizes start and the shutdown of visitor's registration integral machine.
Described AC power input interface 9, the power input interface of visitor's registration integral machine.
Described light filling matrix 12, is connected with OCR certificate recognition system image input device 10, according to the signal of OCR certificate recognition system image input device 10, carries out work.
Described card sender 16, for ISO/IEC15693 agreement card sender, is connected with main control module.
Described card reader of ID card 17, is connected with main control module, realizes directly reading of China second-generation identity card, and by recognition communication to main control module.
embodiment 2:
As shown in Figure 4, described OCR certificate recognition unit 2 inside comprise: OCR certificate recognition system image input device 10, picture position fine tuning structure part 11, light filling matrix 12, certificate plummer 13, front reflective plane mirror 14, supporting structure 15.
Described OCR certificate recognition system image input device 10, be fixed on picture position fine tuning structure part 11, control the certificate that light filling matrix 12 is opposite on certificate plummer 13 and carry out light filling, by front reflective plane mirror 14, gather images, and by USB, be transferred to main control module and carry out certificate identification.Described OCR certificate recognition system image input device 10 includes external trigger IO mouth, and external trigger IO mouth can produce low and high level to be changed.
Described picture position fine tuning structure part 11, the position of adjustable OCR certificate recognition system image input device 10, makes image acquisition region mate with certificate plummer 13.
Core of the present invention is light filling matrix 12, and this module contains LED element, DCDC power supply voltage stabilizing chip and the peripheral circuit that emission spectrum scope drops on visible region.The enable pin of DCDC power supply voltage stabilizing chip wherein, controlled by the external trigger IO mouth of OCR certificate recognition system image input device 10, when the external trigger IO mouth of OCR certificate recognition system image input device 10 is high level, DCDC power supply voltage stabilizing chip is started working, and output voltage is luminous for light filling matrix.
Described certificate plummer 13, is certificate put area and recognition region, and scope is 12cm*9cm.
Described front reflective plane mirror 14, can shorten the distance of OCR certificate recognition system image input device 10 and certificate plummer 13, eliminates " diplopia " that common reflective mirror forms, improves the binaryzation accuracy rate of image.
Described supporting structure 15 is the body junction member of OCR certificate recognition unit 2.
embodiment 3:
The workflow of visitor's registration integral machine that as shown in Figure 6, the present invention proposes:
Step 1: visitor informs its interviewed people of visitor's registration integral machine operator, and provides I.D., driving license, passport etc. can prove the perfect instrument of its identity after arriving;
Step 2: the type of credential that visitor's registration integral machine operator provides according to visitor, the touching display screen 1 of operation visitor registration integral machine, according to the prompting of touching display screen 1, carry out the OCR certificate identification of directly reading of I.D. or driving license, passport etc., and by touching display screen 1, control people's face and capture 4 couples of visitors of camera and carry out the candid photograph of people's face, visitor information is saved and uploads onto the server together with capturing image with people's face after by safety verification;
Step 3: visitor's registration integral machine operator is according to the prompting of touching display screen 1, adopt phone or strong screen notify interviewed people its have visitor, and confirm whether interviewed people accepts to come to visit;
Step 4: after confirming that interviewed people accepts to come to visit, visitor's registration integral machine operator is according to the prompting of touching display screen 1, improve the visiting origin of an incident, in company with information such as personnel, belongings, access durations, visitor's registration integral machine automatically generates and comprises all information of visitor and the visitor of corresponding Quick Response Code is single with it, and visitor's single-pass is crossed thermal printer 3 and printed; Visitor's registration integral machine operator also can pass through touching display screen 1, and 16 couples of visitors of operation card sender provide visa card; Visitor relies on visitor's list or the visa card access service of being correlated with;
Step 5: access finish after, visitor by visitor's list or visa card sign from.
embodiment 4:
As shown in Figure 5, the present invention proposes a kind of method of the OCR of raising certificate recognition effect, said method comprising the steps of:
Step 1: main control module sends OCR certificate recognition command, OCR certificate recognition system image input device 10 receives after OCR certificate recognition command, and the level of external trigger IO mouth is set high;
Step 2: high level makes DCDC power supply voltage stabilizing chip enable, output voltage;
Step 3: output voltage makes 12 work of light filling matrix, and light filling matrix 12 sends visible ray, and visible ray is uniformly distributed in certificate plummer 13;
Step 4: the certificate on certificate plummer 13 is through the reflection of front reflective plane mirror 14, and reflected image is collected by OCR certificate recognition system image input device 10;
Step 5:OCR certificate recognition system image input device 10 is cut out the certificate image collecting and process, and then sends main control module to;
Step 6: main control module is identified certificate image, output text message (name, sex, nationality, go out birthday, address, passport NO.).
The present invention compared with prior art, has that light filling circuit is simple, reject rate is low, misclassification rate is low, recognition speed is fast, ease for use is good, has no mechanical damage, the advantage such as noiselessness.
What embodiments of the invention were announced is its preferably embodiment, but is not limited to this.Those of ordinary skill in the art, very easily according to above-described embodiment, understands spirit of the present invention, and makes different amplifications and industrialization, but only otherwise within departing from the spirit and principles in the present invention, all within protection scope of the present invention.
Claims (5)
1. a method that improves OCR certificate recognition efficiency, it is characterized in that certificate to be identified to be placed on behind certificate identification bearing area, LED light source in the light filling matrix of master control module controls certificate plummer both sides is luminous, light filling matrix sends visible ray, visible ray is uniformly distributed in certificate plummer, certificate on certificate plummer is through the reflection of front reflective plane mirror, make reflected image by camera collection to, the certificate image collecting is cut out and processed, then send main control module to, main control module is identified certificate image, output text message, wherein establishing the long limit of certificate and certificate plummer base angle is θ, after the reflection quilt camera collection of the premenstrual reflective plane mirror of certificate arrives, first certificate image is carried out to maximum area cutting, then with system preset the contrast of certificate dimensional parameters value, when the certificate image after cutting is identical with systemic presupposition parameter, automatically proceed to certificate identification process, when the certificate image after cutting is not identical with systemic presupposition parameter, θ value is subtracted after 1 °, then certificate image is carried out to maximum area cutting, and with system in default certificate dimensional parameters value contrast, to θ=0 o'clock, the area that certificate image carries out after maximum area cutting is minimum by that analogy.
2. a utilization improves visitor's registration integral machine of the method for OCR certificate recognition efficiency as claimed in claim 1, it is characterized in that being provided with OCR certificate recognition unit, OCR certificate recognition unit comprises camera, reflective mirror, certificate plummer, light filling matrix, the light filling circuit being connected with light filling matrix, the main control module being connected with camera with light filling circuit respectively, the picture position fine tuning structure part being connected with camera, light filling matrix comprises riser and is fixed on the LED light source on riser, wherein plural LED light source is lined up many rows, the light filling matrix of two equal numbers is separately fixed at the both sides of certificate plummer, reflective mirror is fixed on the place ahead of certificate plummer, camera is fixed on the back side top of certificate plummer through picture position fine tuning structure part.
3. a kind of visitor's registration integral machine according to claim 2, is characterized in that certificate plummer is transparent toughened glass table top, is preferably rectangle table top, and length and width scope is preferably 12cm * 9cm.
4. a kind of visitor's registration integral machine according to claim 2, is characterized in that the lens surface of reflective mirror is provided with reflecting coating.
5. a kind of visitor's registration integral machine according to claim 2, is characterized in that being also provided with the touch control display being connected with main control module, the card reader of ID card being connected with main control module, the thermal printer being connected with main control module, is connected with main control module and is fixed on the telephony interface for capturing people's face camera of visitor's portrait, the network communication interface being connected with main control module and being connected with main control module of body rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740875.0A CN103679901B (en) | 2013-12-30 | 2013-12-30 | Improve method and visitor's registration integral machine of OCR certificate recognition efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310740875.0A CN103679901B (en) | 2013-12-30 | 2013-12-30 | Improve method and visitor's registration integral machine of OCR certificate recognition efficiency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103679901A true CN103679901A (en) | 2014-03-26 |
| CN103679901B CN103679901B (en) | 2017-01-04 |
Family
ID=50317333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310740875.0A Active CN103679901B (en) | 2013-12-30 | 2013-12-30 | Improve method and visitor's registration integral machine of OCR certificate recognition efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103679901B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741358A (en) * | 2016-03-08 | 2016-07-06 | 李洪臣 | Entrance ticket self-service printing system based on OCR visual sense identification technology |
| CN106228663A (en) * | 2016-09-22 | 2016-12-14 | 北京联华博创科技有限公司 | A kind of guest machine being applied in law court and caller management method |
| CN106295629A (en) * | 2016-07-15 | 2017-01-04 | 北京市商汤科技开发有限公司 | Structured text detection method and system |
| CN106961535A (en) * | 2017-03-16 | 2017-07-18 | 芜湖星途机器人科技有限公司 | High photographing instrument image capturing system |
| CN109359647A (en) * | 2018-10-16 | 2019-02-19 | 翟红鹰 | Identify the method, equipment and computer readable storage medium of a variety of certificates |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003504771A (en) * | 1999-07-13 | 2003-02-04 | ダッチ エー アンド エー トレーディング ベスローテン フェンノートシャップ | Detection device with video camera |
| CN2671013Y (en) * | 2004-01-16 | 2005-01-12 | 广州市索源信息技术有限公司 | Automatic visiting identifying register devices |
| US20050163396A1 (en) * | 2003-06-02 | 2005-07-28 | Casio Computer Co., Ltd. | Captured image projection apparatus and captured image correction method |
| US20060045379A1 (en) * | 2004-08-26 | 2006-03-02 | Compulink Management Center, Inc. | Photographic document imaging system |
| CN201348784Y (en) * | 2008-12-25 | 2009-11-18 | 苏州工业园区中际机电有限公司 | Valid certification recognizing instrument |
| CN101625760A (en) * | 2009-07-28 | 2010-01-13 | 谭洪舟 | Method for correcting certificate image inclination |
| CN102132323A (en) * | 2008-08-26 | 2011-07-20 | 微软公司 | Automatic Image Straightening |
| CN201974863U (en) * | 2010-07-02 | 2011-09-14 | 广州市嘉赫信息科技有限公司 | Intelligent visiting registration management system |
| CN102801528A (en) * | 2012-08-17 | 2012-11-28 | 珠海市载舟软件技术有限公司 | Authentication system and method based on intelligent mobile communication equipment |
-
2013
- 2013-12-30 CN CN201310740875.0A patent/CN103679901B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003504771A (en) * | 1999-07-13 | 2003-02-04 | ダッチ エー アンド エー トレーディング ベスローテン フェンノートシャップ | Detection device with video camera |
| US20050163396A1 (en) * | 2003-06-02 | 2005-07-28 | Casio Computer Co., Ltd. | Captured image projection apparatus and captured image correction method |
| CN2671013Y (en) * | 2004-01-16 | 2005-01-12 | 广州市索源信息技术有限公司 | Automatic visiting identifying register devices |
| US20060045379A1 (en) * | 2004-08-26 | 2006-03-02 | Compulink Management Center, Inc. | Photographic document imaging system |
| CN102132323A (en) * | 2008-08-26 | 2011-07-20 | 微软公司 | Automatic Image Straightening |
| CN201348784Y (en) * | 2008-12-25 | 2009-11-18 | 苏州工业园区中际机电有限公司 | Valid certification recognizing instrument |
| CN101625760A (en) * | 2009-07-28 | 2010-01-13 | 谭洪舟 | Method for correcting certificate image inclination |
| CN201974863U (en) * | 2010-07-02 | 2011-09-14 | 广州市嘉赫信息科技有限公司 | Intelligent visiting registration management system |
| CN102801528A (en) * | 2012-08-17 | 2012-11-28 | 珠海市载舟软件技术有限公司 | Authentication system and method based on intelligent mobile communication equipment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741358A (en) * | 2016-03-08 | 2016-07-06 | 李洪臣 | Entrance ticket self-service printing system based on OCR visual sense identification technology |
| CN105741358B (en) * | 2016-03-08 | 2018-06-29 | 李洪臣 | One kind is based on the self-service print system of OCR Visual identification technology admission tickets |
| CN106295629A (en) * | 2016-07-15 | 2017-01-04 | 北京市商汤科技开发有限公司 | Structured text detection method and system |
| CN106295629B (en) * | 2016-07-15 | 2018-06-15 | 北京市商汤科技开发有限公司 | structured text detection method and system |
| US10937166B2 (en) | 2016-07-15 | 2021-03-02 | Beijing Sensetime Technology Development Co., Ltd. | Methods and systems for structured text detection, and non-transitory computer-readable medium |
| CN106228663A (en) * | 2016-09-22 | 2016-12-14 | 北京联华博创科技有限公司 | A kind of guest machine being applied in law court and caller management method |
| CN106961535A (en) * | 2017-03-16 | 2017-07-18 | 芜湖星途机器人科技有限公司 | High photographing instrument image capturing system |
| CN106961535B (en) * | 2017-03-16 | 2019-07-26 | 芜湖星途机器人科技有限公司 | High photographing instrument image capturing system |
| CN109359647A (en) * | 2018-10-16 | 2019-02-19 | 翟红鹰 | Identify the method, equipment and computer readable storage medium of a variety of certificates |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103679901B (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203616804U (en) | Visitor register all-in-one machine for improving identification efficiency of OCR (optical character recognition) certificate | |
| CN103679901B (en) | Improve method and visitor's registration integral machine of OCR certificate recognition efficiency | |
| CN109389723B (en) | Visitor management method and device using face recognition and computer equipment | |
| US8831295B2 (en) | Electronic device configured to apply facial recognition based upon reflected infrared illumination and related methods | |
| US20190050626A1 (en) | Device for collecting personal data from user | |
| CN102801528A (en) | Authentication system and method based on intelligent mobile communication equipment | |
| US9536159B2 (en) | Smart glasses and method for recognizing and prompting face using smart glasses | |
| CN208141417U (en) | A kind of identity recognition terminal | |
| CN203825670U (en) | An attendance device that integrates fingerprints, punch cards and photos | |
| CN103559483A (en) | Identity recognition device and method | |
| CN105373770B (en) | Image acquisition device, terminal and image acquisition method | |
| US11361181B2 (en) | Controlling access to barcode-reading functionality | |
| CN203982399U (en) | Identification apparatus | |
| CN207624113U (en) | Self-service card making all-in-one machine for temporary identity cards | |
| CN103854349B (en) | Movable-type intelligent based on Text region and wireless communication technology is come to visit register system | |
| RU2643130C1 (en) | Automated working place for passport documents control | |
| CN207853995U (en) | A kind of high photographing instrument | |
| US20220253862A1 (en) | Face based payment system and methods | |
| CN102117521A (en) | Method and system for information collection and recognition for non-cash payment | |
| CN204791204U (en) | Multi -functional attendance machine | |
| CN204808349U (en) | Many cameras authentication system for mobile internet | |
| CN110414408B (en) | Face recognition method, device and equipment | |
| RU127977U1 (en) | UNIVERSAL READER OF PASSPORT AND VISA DOCUMENTS | |
| RU166152U1 (en) | AUTONOMOUS AUTOMATED WORK PLACE FOR CONTROL OF PASSPORT DOCUMENTS | |
| CN201233618Y (en) | Automatic registration system for foreign personnel information |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |