CN105447642A - Engineering digital photograph verification system based on two-dimension code and verification method - Google Patents
Engineering digital photograph verification system based on two-dimension code and verification method Download PDFInfo
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- CN105447642A CN105447642A CN201510840320.2A CN201510840320A CN105447642A CN 105447642 A CN105447642 A CN 105447642A CN 201510840320 A CN201510840320 A CN 201510840320A CN 105447642 A CN105447642 A CN 105447642A
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Abstract
The invention discloses an engineering digital photograph verification system based on two-dimension code and a verification method. The verification method comprises steps of shooting photos, collecting and real time characteristic information during photographing, uploading the photographs and the real time characteristic information to the server, extracting the byte flow of the real time characteristic information, generating the verification url address correlated to the real time characteristic information, compositing the real time characteristic information and the verification url address into the standard two-dimension cod, adopting the flow technology to composite the standard two dimension code to the photograph, and verifying the photographs. The invention enables the original photograph to not be artificially corrected and reduces the difficulty of the artificial verification.
Description
Technical field
The present invention relates to engineering digital photograph inspection field, specifically a kind of engineering digital photograph verification system based on Quick Response Code and verification method, can verify the authenticity of photo.
Background technology
Photo history of forming is long, but universal popular along with digital camera, intelligent mobile hardware and computing machine, we can produce a large amount of digital photograph information in office and daily life.There is comparison film of all kinds to carry out the method processing and revise simultaneously, be thus difficult to distinguish whether photo is modified, be also difficult to the source obtaining photo.
At present in safety supervision work, find violating the regulations still serious with security diagnostics analysis, the behavior touching bottom line and red line occurs repeatedly.Though company strengthens dynamics in investigation violating the regulations and punishment, especially outsourcing troop violating the regulations of teams and groups scene is violating the regulations still serious, and the behavior touching bottom line and red line occurs repeatedly.Outstanding behaviours is that even managerial personnel's awareness of safety is thin for staff, and risk operation happens occasionally.The site operation management of power use of outsourcing troop is chaotic, and rudimentary breaking rules and regulations still is remained incessant after repeated prohibition.Managerial personnel give directions against regulations, and when safety and index clash, often cover the error in oneself work to sacrifice safety or go to save production & marketing index.
After Partial security supervision and management personnel complete Spot-supervision, the photo for scene evidence taking causes cannot uploading supervisory information in time owing to being busy with one's work, and allows the no longer effective property of scene evidence taking photo.And it is not in place because carrying out duty to there are safety supervision management personnel, scene is gone to superintend and check to associated production work not in time, for the on-the-spot audit record of amended record in secure supervision system afterwards appears in task of finishing the work, utilize the photo of other similar engineering to carry out mending-leakage, there is the phenomenon of seriously practising fraud; Managerial personnel are difficult to the authenticity distinguishing that this takes pictures afterwards.Thus need to verify to engineering digital photograph the true and false confirming this photo.
The true and false forensics analysis of digital photograph is all generally to the data analysis in picture, and the most frequently used method is exactly metadata and encryption effect two kinds of methods.Metadata method: the information of such as PNG or jpeg format has the traffic flow informations such as file size, image type, Color Channel, timestamp, just can be differentiated the true and false of picture by the meta-attribute sharing these pictures.Close effect: contrary with the meta-attribute of picture, password effect is equivalent to Hash effect, is also the one of digital finger-print, such as MD5, SHA1SHA256, and any trickle change all can cause the difference of effect, and this is also a kind of mode that picture checking detects.But above two kinds of check systems directly can destroy former primitive data, such as: digital photograph by other softwares a arbitrarily or system copies, stickup or editor all can on photograph meta data record, the dbase used when comprising amendment and version, concrete modification date and time, or eliminate the photograph taking facility information etc. that should exist.
Summary of the invention
In view of the demand verified project photograph, and the defect existed in prior art, the authenticity that the object of this invention is to provide a kind of comparison film carries out the engineering digital photograph verification system based on Quick Response Code verified, and utilizes this system to carry out the method verified.
The present invention adopts following technical scheme to achieve these goals: a kind of engineering digital photograph verification method based on Quick Response Code, comprises the following steps:
(1) utilize mobile device to take pictures, and collect real-time characteristic information when taking pictures;
(2) described photo and real-time characteristic information are uploaded onto the server;
(3) server extracts the byte stream of described real-time characteristic information, generates the checking url address be associated with this real-time characteristic information, and real-time characteristic information and checking url address are synthesized to standard two-dimensional code;
(4) adopt Flow Technique under the prerequisite of metadata not changing the captured photo of step (1), the standard two-dimensional code that step (3) is synthesized to be synthesized on photo and storage picture;
(5) adopt the Quick Response Code in photo Authentication devices scanned photograph, identify real-time characteristic information when taking pictures, differentiate the true and false of photo.
Particularly, described real-time characteristic information comprises mobile device model name, shooting people, department information, shooting time and geographical location information.
In the preferred embodiment of the present invention, the described photo Authentication devices of step (5) be mobile device or other there is the equipment of Quick Response Code scan function, mobile device and other equipment with Quick Response Code scan function all need registration in the server.
Based on an engineering digital photograph verification system for Quick Response Code, comprise
Mobile device, for taking pictures, and collecting real-time characteristic information when taking pictures, described photo and real-time characteristic information being uploaded onto the server; This process is realized by mobile communications network or WIFI.
Server, the photo upload mobile device and real-time characteristic information store; Extract the byte stream of real-time characteristic information, generate the checking url address be associated with this real-time characteristic information, real-time characteristic information and checking url address are synthesized to standard two-dimensional code; Then adopt Flow Technique under the prerequisite not changing the metadata of taking pictures, standard two-dimensional code is synthesized on photo.
Photo Authentication devices, the Quick Response Code in scanned photograph, identifies real-time characteristic information when taking pictures, and differentiates the true and false of photo.Described photo Authentication devices is registered mobile device in the server or other has the equipment of Quick Response Code scan function.
The Flow Technique adopted in the present invention refers to and data is sent to by buffering the consumer's (as file, internal memory or disk) accepting these data from producer's (as disk file, internal memory or other equipment).The Dou You data buffer, two ends of stream can temporal data.Such receiving end can monitor whether stream has data to need to receive, and data are placed in buffer zone after coming all the time, waits when needing and goes to read again.And transmitting terminal also each byte need not call sending method, but etc. concentrated the data of some after send together again, substantially increase efficiency.
When adopting the present invention to carry out field surveillance work, not only can monitoring site photograph taking situation and field staff to put in place situation in real time.The photograph taking result that also can complete scene is verified, photo synthesizes Quick Response Code automatically, and the Quick Response Code of synthesis not only stores the property content of original photo, and also stored in the engineering information content of floor, more ensure that the authenticity of photo.
Accompanying drawing explanation
Fig. 1 is main flow figure of the present invention;
Fig. 2 is photo synthetic schemes.
Embodiment
See Fig. 1, a kind of engineering digital photograph verification method based on Quick Response Code, comprises the following steps:
(1) utilize mobile device to take pictures, and collect real-time characteristic information when taking pictures; Comprise mobile device model name, shooting people, department information, shooting time and geographical location information.Particularly, mobile device information refers to the model name of the mobile device of this photo of shooting, such as Huawei B199, and department information refers to that the Genus Homo of this photo of shooting is in which department, such as pacifies matter portion.
(2) described photo and real-time characteristic information are uploaded onto the server;
(3) server extracts the byte stream of described real-time characteristic information, generates the checking url address be associated with this real-time characteristic information, adopts Flow Technique to be synthesized to standard two-dimensional code real-time characteristic information and checking url address;
(4) adopt Flow Technique under the prerequisite of metadata not changing the captured photo of step (1), the standard two-dimensional code that step (3) is synthesized is synthesized on photo, and preserves;
(5) adopt the Quick Response Code in photo Authentication devices scanned photograph, identify real-time characteristic information when taking pictures, differentiate the true and false of photo.
Adopt Flow Technique synthetic standards Quick Response Code, when photo is uploaded by network bytes, what native system obtained is Internet Transmission byte stream from cover to cover, not upload complete picture, then the photograph meta data of stream the inside is extracted, temporary cache, then carries out the synthesis of Quick Response Code stream on the basis of byte stream, finally affix metadata streams information again.Finally pass photo again, form full picture.So namely, reach the unchanged synthesis Quick Response Code of metadata.
Wherein adopt the rudimentary algorithm of Quick Response Code, its cataloged procedure is divided into: data analysis, data encoding, Error Correction of Coding, structure final data information, structural matrix, mask, form and version information, specific as follows.
1, data analysis: determine the character types of encoding, convert sign character to by corresponding character set; Select error-correction level, under the condition that specification is certain, the capacity of error-correction level its True Data higher is less.
2, data encoding: data character is converted to bit stream, every 8 code words, the overall codeword sequence forming data.Know that this code word data sequence is just aware of the data content of Quick Response Code.
3, Error Correction of Coding: on demand by codeword sequence piecemeal above, and according to the code word of error-correction level and piecemeal, produce error correction code word, and error correction code word is joined after code word data sequence, becomes a new sequence.
When Quick Response Code specification and error-correction level are determined, the code word sum that can hold and error correcting code number of words are also just determined, such as: version 10, during error-correction level during H, altogether can hold 346 code words, wherein 224 error correction code words.
In two-dimension code area, the code word of about 1/3 is redundancy.For 224 error correction code words, it can be corrected 112 and substitute mistake (as confuse right and wrongs) or 224 according to read error (cannot read or cannot decoding),
Such error correction capability is: 112/346=32.4%
4, final data information is constructed: under the condition that specification is determined, the sequence in order produced above is put as in piecemeal, by regulation deblocking, then each block is calculated, draw corresponding error correcting code block block, error correcting code block block is formed a sequence in order, adds to after original code word data sequence.
5, structural matrix: detection figure, separator, positioning pattern, correction graph and code word module are put into matrix.
Complete sequence is above filled in the region of Quick Response Code matrix of dimension.
6, mask: coding region mask figure being used for symbol, makes dark color in two-dimension code pattern and light color (black and white) region can the distribution of ratio optimum.
7, form and version information: production form and version information put into respective regions.
So far, the coding of Quick Response Code completes substantially, reaches in real-time characteristic information write Quick Response Code.
Quick Response Code is synthesized in photo.Above building-up process is see Fig. 2.
Proof procedure see the photo of Fig. 1 is: open Quick Response Code barcode scanning software, and carry out scanning recognition to the Quick Response Code of project photograph, and jump to Quick Response Code network address, whether judgment device is registered, and registered equipment shows picture data result.Because what synthesize in Quick Response Code in the present invention is network address, network address can detect the equipment of scanning whether in native system, if the equipment not in native system (this equipment refers to the equipment of registering in this photo verification system, and essential information such as clear and definite registering apparatus ownership people or unit etc.) be the source cannot verifying this photo.
Claims (6)
1., based on an engineering digital photograph verification method for Quick Response Code, it is characterized in that, comprise the following steps:
(1) utilize mobile device to take pictures, and collect real-time characteristic information when taking pictures;
(2) described photo and real-time characteristic information are uploaded onto the server;
(3) server extracts the byte stream of described real-time characteristic information, generates the checking url address be associated with this real-time characteristic information, and real-time characteristic information and checking url address are synthesized to standard two-dimensional code;
(4) adopt Flow Technique under the prerequisite of metadata not changing the captured photo of step (1), the standard two-dimensional code that step (3) is synthesized is synthesized on photo, and stores;
(5) adopt the Quick Response Code in photo Authentication devices scanned photograph, identify real-time characteristic information when taking pictures, differentiate the true and false of photo.
2. a kind of engineering digital photograph verification method based on Quick Response Code according to claim 1, is characterized in that: described real-time characteristic information comprises mobile device model name, shooting people, department information, shooting time and geographical location information.
3. a kind of engineering digital photograph verification method based on Quick Response Code according to claim 1 or 2, it is characterized in that: the described photo Authentication devices of step (5) be mobile device or other there is the equipment of Quick Response Code scan function, mobile device and other equipment with Quick Response Code scan function all need registration in the server.
4., based on an engineering digital photograph verification system for Quick Response Code, it is characterized in that: comprise
Mobile device, for taking pictures, and collecting real-time characteristic information when taking pictures, described photo and real-time characteristic information being uploaded onto the server;
Server, the photo upload mobile device and real-time characteristic information store; Extract the byte stream of real-time characteristic information, generate the checking url address be associated with this real-time characteristic information, real-time characteristic information and checking url address are synthesized to standard two-dimensional code; Then adopt Flow Technique under the prerequisite not changing the metadata of taking pictures, standard two-dimensional code is synthesized on photo;
Photo Authentication devices, the Quick Response Code in scanned photograph, identifies real-time characteristic information when taking pictures, and differentiates the true and false of photo.
5. a kind of engineering digital photograph verification system based on Quick Response Code according to claim 4, is characterized in that: described photo Authentication devices is registered mobile device in the server or other has the equipment of Quick Response Code scan function.
6. a kind of engineering digital photograph verification system based on Quick Response Code according to claim 4 or 5, is characterized in that: described photo and real-time characteristic information upload onto the server by mobile communications network or WIFI realization by described mobile device.
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| CN201510840320.2A CN105447642A (en) | 2015-11-27 | 2015-11-27 | Engineering digital photograph verification system based on two-dimension code and verification method |
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Cited By (8)
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| CN106570918A (en) * | 2016-11-02 | 2017-04-19 | 涓ユ不 | Image evidence-obtaining method and system |
| CN107194266A (en) * | 2017-05-12 | 2017-09-22 | 江苏诺安科技有限公司 | It is a kind of to verify the method whether papery license is tampered |
| CN108040050A (en) * | 2017-12-12 | 2018-05-15 | 任天民 | A kind of primary photo identification method and application |
| CN108055519A (en) * | 2018-02-06 | 2018-05-18 | 贵州电网有限责任公司 | A kind of power supply bureau live photographic management system and its management method |
| CN109214425A (en) * | 2018-08-07 | 2019-01-15 | 歌尔股份有限公司 | Picture verification method, image processing method, equipment and system |
| WO2019114614A1 (en) * | 2017-12-12 | 2019-06-20 | 任天民 | Original photo identification method and system |
| WO2019174106A1 (en) * | 2018-03-14 | 2019-09-19 | 北京爱云动科技有限公司 | Photo push method implemented based on qr code, and client and server |
| CN112487228A (en) * | 2020-11-27 | 2021-03-12 | 重庆鸿捷通信科技发展有限公司 | Communication picture analysis and arrangement method based on two-dimensional code |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106570918A (en) * | 2016-11-02 | 2017-04-19 | 涓ユ不 | Image evidence-obtaining method and system |
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| CN108040050A (en) * | 2017-12-12 | 2018-05-15 | 任天民 | A kind of primary photo identification method and application |
| WO2019114614A1 (en) * | 2017-12-12 | 2019-06-20 | 任天民 | Original photo identification method and system |
| CN108055519A (en) * | 2018-02-06 | 2018-05-18 | 贵州电网有限责任公司 | A kind of power supply bureau live photographic management system and its management method |
| WO2019174106A1 (en) * | 2018-03-14 | 2019-09-19 | 北京爱云动科技有限公司 | Photo push method implemented based on qr code, and client and server |
| CN109214425A (en) * | 2018-08-07 | 2019-01-15 | 歌尔股份有限公司 | Picture verification method, image processing method, equipment and system |
| CN112487228A (en) * | 2020-11-27 | 2021-03-12 | 重庆鸿捷通信科技发展有限公司 | Communication picture analysis and arrangement method based on two-dimensional code |
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Application publication date: 20160330 |