CN1997106A - A digital camera with the embedded elevation watermark information - Google Patents
A digital camera with the embedded elevation watermark information Download PDFInfo
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- CN1997106A CN1997106A CN 200510135693 CN200510135693A CN1997106A CN 1997106 A CN1997106 A CN 1997106A CN 200510135693 CN200510135693 CN 200510135693 CN 200510135693 A CN200510135693 A CN 200510135693A CN 1997106 A CN1997106 A CN 1997106A
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Abstract
This invention relates to one digital code camera to imbed photos into high height water mark in digital image water mark technique, which adds the device and water mark imbed device to get high data in the camera to use digital water mark technique and imbeds the data height information by water mark type into digital images as future validation base to identification digital image height.
Description
[affiliated technical field]
The present invention relates to a kind of digital camera, particularly a kind of can to take a picture and embed the digital camera of height above sea level watermark information, the invention belongs to the digital figure watermark technology.
[background technology]
Digital camera is the product that the digitizing technique with maturation combines with traditional camera.In today of the growing maturation of digitizing technique, digital camera is owing to the parent that its convenient and swift fashion obtains men and women, old and young looks at.Digital camera can be taken high-quality digitized image, and can allow you that they are passed through printout on network bamboo telegraph or the color printer.Conveniently simultaneously, because digital photograph can be made amendment by various softwares and edit at an easy rate, it is as the big heavy discount of authenticity quilt of photo.
At present, digital watermark technology is a kind of comparatively effective method, is used for preventing and differentiate that modes such as despiteful individual or group spread through the internet under the situation that does not obtain data file owner permission duplicate and propagate the document of copyright protection wantonly.Digital watermark technology is to add some digital information in the multi-medium data (as image, sound, vision signal etc.) to reach effect such as copyright protection.We utilize embedded digital watermarking device in digital camera, and utilize special watermark information, thereby realize better protection effect.
Some explorations, mapping, animals and plants are investigated the personage, may arrive the higher area of some height above sea levels and take, and the digital photograph of its shooting will may be used to as experimental verification or prove used.When on high mountain, investigating, take rare animals and plants image, when being used as in test or the paper in the future, need confirm its authenticity with these digital photographs with testifying such as the animals and plants scholar.Therefore, need in photo, write down the height above sea level of environment of living in when taking at that time, and be embedded in the digital photograph in the mode of watermark.And in digital camera in the market, there is not such product.
[summary of the invention]
At existing deficiency in the prior art, the objective of the invention is to: the digital camera that proposes a kind of the embedded elevation watermark information.With the photo that this digital camera is taken, can verify its residing at that time height above sea level position of taking pictures.Owing to be used as the height above sea level for the people's environment of living in of taking pictures of watermark information in this method, and be the height above sea level information of when taking pictures, obtaining the people's environment of living in of taking pictures, mode with watermark embeds in the digital photograph, thereby can verify the authenticity of its environment of living in by extracting the method for height above sea level watermark from digital photograph.Simultaneously, if the watermark information of usefulness is sightless watermark information, do not influence the photographic quality of digital photograph yet.
In order to achieve the above object, the present invention is performed such.
The present invention utilizes digital watermark technology, and before image imaging, will take the digital elevation elevation information of gathering simultaneously and embed in the digital picture, as the foundation of checking in the future, the height above sea level in the time of can the discriminating digit image imaging.
The invention provides a kind of digital camera of the embedded elevation watermark device, comprise the device that obtains view data that is used for obtaining digital image information, be used for obtaining the device that obtains the height above sea level data of height above sea level information, be used for utilizing digital watermark technology in described digital image information, to embed the watermark flush mounting of the watermark information that comprises described height above sea level information.Wherein, the device that obtains the height above sea level data comprises the air pressure signal transducer that is used for obtaining air pressure signal and is used for the air pressure signal of described acquisition is calculated, draws the signal processing apparatus of corresponding height above sea level numerical value.And described air pressure signal transducer is positioned at the shell of described digital camera, as positions such as the front portion of digital camera, rear portion, top, bottom, sidepieces.
In the present invention, in the watermark flush mounting, the described height above sea level information that embeds with digital watermark technology is the take pictures height above sea level information of the environment of living in that obtains simultaneously of photographer.In addition, the described watermark information that embeds in the described device is visible watermark information or invisible watermark information, just so-called open fire seal and dark watermark.
Traditional digital camera generally only has common device, central data processor and the storage device that obtains view data.As mentioned above, in digital camera of the present invention, also added a device that obtains the height above sea level data.Photographer is when taking digital photograph, when pressing camera shutter, obtain the height above sea level data of present position by the device that obtains the height above sea level data that is arranged on housing of digital camera, and height above sea level information is embedded into simultaneously in the digital photograph of taking, as authentication information as watermark information.
In digital camera of the present invention, added a watermark flush mounting in addition, this device can be placed in the central data processor in the described digital camera.This device is embedded into the height above sea level information the obtained form with watermark in the digital image, and the digital image that obtains can be the digital image that comprises visible watermark, also can be the digital image that comprises invisible watermark.The embedded mode of digital watermarking is publicly-owned technology, does not remake elaboration here.
Digital camera of the present invention also comprises the device that detects digital picture intermediate altitude height watermark information, described device comprises and is used for utilizing from described digital picture the corresponding digital digital watermark to extract the extraction watermarking device of the height above sea level watermark information of embedding, with the output device of exporting height above sea level information according to the height above sea level watermark information of extracting embedding, this device is primarily aimed at the detection of the digital image that comprises invisible watermark.
This device can be placed in the central data processor in the described digital camera, also can be used as the processor that independent apparatus module places computer and so on, and the logarithmic code photo detects, and judges its authenticity.The process that photo detects comprises that the corresponding digital digital watermark that reads, utilizes of digital signal extracts hiding watermark information, this watermark information is reduced into height above sea level information from digital signal, at last output.
In addition, though present embodiment the invention is not restricted to this, but goes for such as digital systems such as digital videos for the digital camera explanation.And, present mobile phone, PDA (palmtop PC), notebook, video media player etc. has all added the function of digital camera, also can be suitable for device of the present invention and digital camera.
The present invention's's " a kind of digital camera of the embedded elevation watermark information " advantage is as follows:
1, since the present invention to adopt photographer's digital elevation height be watermark information, before digital image-forming, the height above sea level information embedding that just will in time obtain, thereby height above sea level that can logarithmic code photo environment of living in is judged.
2, because the present invention adopts built-in watermark embed system, and before the photo imaging, added watermark information, from beginning most just to have guaranteed the authenticity of digital photograph.
3, among the present invention, device that obtains height above sea level information and watermark flush mounting all are built in the digital camera, realized integrated, thereby be convenient for carrying.
4, the present invention can adopt to lose watermark information when embed watermark information, according to the mankind's visual characteristic, success data message is hidden in the insensitive zone of image vision, guarantee the image vision difference minimum of watermarked front and back.
[description of drawings]
Fig. 1 a is the front view of traditional digital cameras
Fig. 1 b is the rearview of traditional digital cameras
Fig. 2 is the rearview of present embodiment digital camera
Fig. 3 is present embodiment digital camera internal module figure shown in Figure 2
Fig. 4 is the inner watermark flush mounting of a present embodiment digital camera schematic diagram shown in Figure 2
[embodiment]
The present invention is described in further detail below in conjunction with drawings and Examples, and see also accompanying drawing.
Being the front view of traditional digital cameras 100 shown in Fig. 1 a, is the rearview of traditional digital cameras 100 shown in Fig. 1 b.Shown in Fig. 1 a, 1b, traditional digital cameras 100 comprises shutter device 101, view-finder 102, photoflash lamp 106, camera lens 104, LCDs 105 and user input apparatus 103.User input apparatus 103 generally comprises button 103A-103C.User input apparatus 103 allows user input data and selects to use the various functions of camera.
In operation, the user adjusts the position of camera 100 and goes to obtain needed scene by view-finder 102 or LCDs 105.When camera 100 was placed on the appropriate location, the user pressed shutter device 101, thereby obtained needed scene.And optical imagery is hinted obliquely at imageing sensor 203 by camera lens 104, and the signal here all is an optical signalling.The image that is obtained shows on LCDs 105.Photoflash lamp 106 is user's servicing units when obtaining the image optimum light effects in being in the not good zone of light status.User input apparatus 103 is user input data and the various functions of selecting to use camera 100.
Fig. 2 is the rearview of the digital camera 200 in the present embodiment.Digital camera 200 can be used as the camera function of ordinary digital camera, can obtain simultaneously photographer's height above sea level information, and the form of this height above sea level information with watermark is embedded in the captured digital photograph, thereby can judges the copyright information of captured digital photograph.Why digital camera 200 can realize this function, is because added our bright method and apparatus of setting forth.As shown in Figure 2, digital camera 200 comprises the used same parts of digital camera 100, comprises air pressure signal transducer 201 simultaneously.
In the present embodiment, air pressure signal transducer 201 is placed on the rear portion of digital camera 200, as shown in Figure 2.And in the present invention, air pressure signal transducer 201 also can be placed on any position on the shell of digital camera 200, as front portion, top, bottom and the sidepiece of digital camera 200.
Fig. 3 is present embodiment digital camera 200 internal module figure shown in Figure 2.Digital camera 200 comprises camera lens 104, air pressure signal transducer 201, signal processing apparatus 202, imageing sensor 203, control device 204, central processing unit 205, dynamic memory 206, nonvolatile memory 207, built-in Control Software 208, watermark embedded software 209, data input/output interface 210, shutter device 102, LCDs 105, user input apparatus 103 etc.There is built-in Control Software 208 in the nonvolatile memory 207, includes watermark embedded software 209 in the built-in Control Software 208.
When the user presses shutter device 102, central processing unit 205 and control device 204 drive imageing sensor 203 and obtain image, image processor 203 is converted to digital signal by the device that obtains the digital signal signal value with optical signalling, promptly represents the pixel data of digital picture.Pixel data with representative image is transferred to central processing unit 205 then, and stores in the dynamic memory 206 temporarily, and the image that camera lens 104 is obtained shows on LCDs 105.When taking pictures, air pressure signal transducer 201 obtains the air pressure signal of residing position at that time, signal processing apparatus 202 is converted to height above sea level numerical value with the air pressure signal that is obtained through calculating, signal processing apparatus 202 is transferred to central processing unit 205 with the height above sea level numerical value that is calculated then, also stores in the dynamic memory 206 temporarily.Built-in Control Software 208 in nonvolatile memory 207 is used for controlling central processing unit 205, also contain watermark embedded software 209 in the built-in Control Software 208, the height above sea level information that is used for obtaining embeds in the digital picture in the watermark mode, thereby obtains a new digital picture.Watermark embedded software 209 will be stored in the height above sea level numerical value in the dynamic memory 206, mode with digital watermarking is embedded in the pixel data that is stored in the representative image in the dynamic memory 206 simultaneously, a new digital picture that contains the height above sea level watermark information that obtains at last, and store in the nonvolatile memory 207.In the present embodiment, the watermark information of storage is a visible watermark information.
In another embodiment, the watermark information of storage also can be sightless watermark information, according to the mankind's visual characteristic, success data message is hidden in the insensitive zone of image vision, guarantee the image vision difference minimum of watermarked front and back.The step of a front as above embodiment is described.Only when watermarked, adopt the embedded mode of invisible watermark, height above sea level information is embedded in the digital picture, obtain a new digital picture that contains invisible watermark information.In this case, in the present invention, built-in Control Software 208 also can comprise the software that is used for detecting watermark information.By user input apparatus 103, choose a digital camera 200 image detection function, with built-in Control Software 208 digital photograph that is stored in the nonvolatile memory 207 is carried out watermark detection, detect the watermark information of digital photograph, and convert height above sea level to, thereby identify the authenticity of environment of living in when digital photograph is taken, and the authorization information of detected height above sea level information and authenticity is exported by output device.
Watermark embedding and detection method are known technology, no longer describe in detail.
Data input/output interface 210, be used for digital camera 200 be connected such as electronic equipments such as computer, digital partners, at transmitting data information between the two.Such as with the image data download in the digital camera 200 in electronic equipment.In the present invention, the software that detects watermark information also can be installed in this electronic equipment, and the view data from digital camera 200 is detected, and detects the authenticity of digital photograph.
Fig. 4 is the inner watermark flush mounting of a present embodiment digital camera schematic diagram as shown in Figure 2.Digital camera 200 comprises camera lens 104, and imageing sensor 203 obtains the device 301 of digital signal signal value, the device 302 of embed watermark information, air pressure signal transducer 201, signal processing apparatus 202 and nonvolatile memory 207 etc.
Arrive imageing sensor 203 when image passes through main lens 104, then, imageing sensor passes to the device 301 that obtains digital signal letter signal value with signal, and device 301 reads out the value of the digital signal of digital picture.Simultaneously, air pressure signal transducer 201 obtains the air pressure signal of residing position at that time, signal processing apparatus 202 is converted to height above sea level numerical value with the air pressure signal that is obtained through calculating, by the device 302 of embed watermark information, utilize digital watermark technology that height above sea level information is embedded in the digital picture again.After above operation, the digital picture that contains the height above sea level watermark information the most at last is stored in the nonvolatile memory 207.
In the above-described embodiments, told about and how to have utilized the present invention, in digital camera, realized height above sea level information is embedded digital photograph in the mode of watermark, and to its method of verifying.In addition, though present embodiment the invention is not restricted to this, but goes for such as digital systems such as digital videos for the digital camera explanation.And, present mobile phone, PDA (palmtop PC), notebook, video media player etc. has all added the function of digital camera, also can be suitable for device of the present invention and digital camera.
Above embodiment is the technical scheme of unrestricted our face in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and the task of not breaking away from the spirit and scope of the present invention is revised or local the replacement, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1, a kind of digital camera of the embedded elevation watermark information comprises:
(1) obtains the device of view data, be used for obtaining digital image information;
(2) obtain the device of height above sea level data, be used for obtaining the height above sea level information of environment of living in;
(3) watermark flush mounting is used for utilizing digital watermark technology to embed the watermark information that comprises described height above sea level information in described digital image information.
2. the digital camera of a kind of the embedded elevation watermark information as claimed in claim 1 is characterized in that the device that obtains the height above sea level data comprises:
A, air pressure signal transducer are used for obtaining the air pressure signal of environment of living in;
B, signal processing apparatus are used for the air pressure signal of described acquisition is calculated, and draw corresponding height above sea level numerical value.
3. the digital camera of a kind of the embedded elevation watermark information as claimed in claim 2, its feature also is: described air pressure signal transducer is positioned at the shell of described digital camera.
4. the digital camera of a kind of the embedded elevation watermark information as claimed in claim 1 is characterized in that: the height above sea level information of the described height above sea level information environment of living in that described digital image information obtains simultaneously for photographer obtains that device (3) embeds.
5, the digital camera of a kind of the embedded elevation watermark information as claimed in claim 1 is characterized in that: the described watermark information that device (3) embeds is a visible watermark information.
6, the digital camera of a kind of the embedded elevation watermark information as claimed in claim 1 is characterized in that: the described watermark information that device (3) embeds is an invisible watermark information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510135693 CN1997106A (en) | 2005-12-31 | 2005-12-31 | A digital camera with the embedded elevation watermark information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510135693 CN1997106A (en) | 2005-12-31 | 2005-12-31 | A digital camera with the embedded elevation watermark information |
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| Publication Number | Publication Date |
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| CN1997106A true CN1997106A (en) | 2007-07-11 |
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| CN 200510135693 Pending CN1997106A (en) | 2005-12-31 | 2005-12-31 | A digital camera with the embedded elevation watermark information |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104144297A (en) * | 2014-08-19 | 2014-11-12 | 诚迈科技（南京）股份有限公司 | System and method for automatically adding watermarks to shot pictures |
| CN104243411A (en) * | 2013-06-14 | 2014-12-24 | 腾讯科技（深圳）有限公司 | Multimedia processing method, client side and terminal equipment |
| CN104243410A (en) * | 2013-06-14 | 2014-12-24 | 腾讯科技（深圳）有限公司 | Multimedia processing method, client side and terminal equipment |
| CN104867096A (en) * | 2014-02-25 | 2015-08-26 | 腾讯科技（深圳）有限公司 | Method for dynamically changing watermark content and device thereof |
| CN105765969A (en) * | 2015-03-27 | 2016-07-13 | 深圳市大疆创新科技有限公司 | Image processing method, device, and equipment, and image-shooting system |
| CN105954162A (en) * | 2016-04-27 | 2016-09-21 | 北京爱空气科技有限公司 | Air detection processing method, system and device |
| CN106537457A (en) * | 2015-03-02 | 2017-03-22 | 华为技术有限公司 | Image processing method and apparatus, and electronic terminal |
| CN106803289A (en) * | 2016-12-22 | 2017-06-06 | 五邑大学 | A kind of false proof method and system of registering of intelligent mobile |
| CN107451947A (en) * | 2017-08-03 | 2017-12-08 | 武汉远众科技有限公司 | A kind of enhancing evidence collection method based on picture watermark |
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2005
- 2005-12-31 CN CN 200510135693 patent/CN1997106A/en active Pending
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| CN104243411B (en) * | 2013-06-14 | 2019-06-25 | 腾讯科技（深圳）有限公司 | Multi-media processing method, client and terminal device |
| CN104243411A (en) * | 2013-06-14 | 2014-12-24 | 腾讯科技（深圳）有限公司 | Multimedia processing method, client side and terminal equipment |
| CN104243410A (en) * | 2013-06-14 | 2014-12-24 | 腾讯科技（深圳）有限公司 | Multimedia processing method, client side and terminal equipment |
| US11037267B2 (en) | 2013-06-14 | 2021-06-15 | Tencent Technology (Shenzhen) Company Limited | Systems and methods for multimedia processing |
| CN104867096A (en) * | 2014-02-25 | 2015-08-26 | 腾讯科技（深圳）有限公司 | Method for dynamically changing watermark content and device thereof |
| CN104867096B (en) * | 2014-02-25 | 2020-04-07 | 腾讯科技（深圳）有限公司 | Method and device for dynamically transforming watermark content |
| CN104144297A (en) * | 2014-08-19 | 2014-11-12 | 诚迈科技（南京）股份有限公司 | System and method for automatically adding watermarks to shot pictures |
| CN106537457A (en) * | 2015-03-02 | 2017-03-22 | 华为技术有限公司 | Image processing method and apparatus, and electronic terminal |
| US10554907B2 (en) | 2015-03-02 | 2020-02-04 | Huawei Technologies Co., Ltd. | Improving static image quality when overlaying a dynamic image and static image |
| CN106537457B (en) * | 2015-03-02 | 2019-08-20 | 华为技术有限公司 | A kind of image processing method, device and electric terminal |
| WO2016154794A1 (en) * | 2015-03-27 | 2016-10-06 | 深圳市大疆创新科技有限公司 | Image processing method, apparatus and device, and image shooting system |
| CN105765969A (en) * | 2015-03-27 | 2016-07-13 | 深圳市大疆创新科技有限公司 | Image processing method, device, and equipment, and image-shooting system |
| CN105954162A (en) * | 2016-04-27 | 2016-09-21 | 北京爱空气科技有限公司 | Air detection processing method, system and device |
| CN106803289A (en) * | 2016-12-22 | 2017-06-06 | 五邑大学 | A kind of false proof method and system of registering of intelligent mobile |
| CN107451947A (en) * | 2017-08-03 | 2017-12-08 | 武汉远众科技有限公司 | A kind of enhancing evidence collection method based on picture watermark |
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