CN101753854A - Image communication method and electronic device using same - Google Patents
Image communication method and electronic device using same Download PDFInfo
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- CN101753854A CN101753854A CN200810179598A CN200810179598A CN101753854A CN 101753854 A CN101753854 A CN 101753854A CN 200810179598 A CN200810179598 A CN 200810179598A CN 200810179598 A CN200810179598 A CN 200810179598A CN 101753854 A CN101753854 A CN 101753854A
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Abstract
The invention provides an image communication method and an electronic device using the same. In the image communication method, the communication between the electronic device and the called is firstly set up. And then a current image which is shot is analyzed to capture the foreground object in the current image and combine the foreground object with a scene background into a synthetic image, so as to send the image to the called. Consequently, when having conversation with the called with the electronic device, a user can replace the real background of the environment with the scene background in real time, so as to add interest in the image communication process.
Description
Technical field
The invention relates to a kind of image communication method and use its electronic installation, and particularly about a kind of method of carrying out Image communicating with the sight background.
Background technology
Along with the development of multimedia and communication, the user only need utilize electronic installation and communication network, just can carry out Image communicating in real time with the various places participant, has not only saved user's time, and interpersonal communication distance has also furthered.
In the Image communicating process, the user can take ambient image of living in by electronic installation, and transmitted image is to linked up by words side.But, when the user does not wish to expose environment of living in, for example: mixed and disorderly room, toilet or indecency place, often can only select to cut off communication.If electronic installation in the Image communicating process, can be hidden the background of true environment and with the certain scenarios background for it, protect user's privacy and offering convenience property surely.
With the mobile phone is example, though having different background in the mobile phone possibility selects to take interesting photo sticker for the user, the user can (MultimediaMessage Service, mobile phone MMS) be sent to photo sticker and be subjected to words side by supporting the multimedia short message service.But the user not only must aim at the face location of reserving in the background voluntarily and take, also only can be with the short message way transmitted image to being subjected to words side.That is to say that the user is non-and be subjected to words side to carry out Image communicating in real time.
Therefore, how to allow the user when carrying out Image communicating, can possess user's privacy or increase communication process interest and convenience, just for developing the one emphasis of Image communicating.
Summary of the invention
The present invention proposes a kind of image communication method and uses its electronic installation, and it can hide the real background of user's environment of living in the Image communicating process, with convenience and the interest in protection user's privacy and the raising use.
The present invention proposes a kind of image communication method that is suitable for electronic installation.At first set up the communication between electronic installation and the side talked about.Then, take at least one preceding image of opening one's eyes wide, and analyze present image to capture the foreground object in the present image.Afterwards, synthetic foreground object and sight background are composograph, and transmit composograph to being subjected to words side.
The present invention proposes a kind of image communication method that is suitable for electronic installation.At first, set up communication between electronic installation and the side talked about.Then,, take present image, and analyze present image and at least one Zhang Xianqian image, to capture foreground object in the present image every Preset Time.Afterwards, synthetic foreground object and sight background are composograph; Transmit composograph at last to being subjected to words side.
In one embodiment of this invention, above-mentioned image communication method is analyzed foreground object shared ratio in present image, and convergent-divergent sight background according to this.
In one embodiment of this invention, above-mentioned image communication method is when transmitting composograph to the side talked about, and synchronously transmission meets the voice signal of sight background to being subjected to words side.
In one embodiment of this invention, above-mentioned image communication method replaces in the sight backgrounds a plurality of second pixels with these first pixel same positions with a plurality of first pixels that belong to foreground object in the present image, to obtain composograph.
The invention provides a kind of electronic installation, it comprises camera module, image processing module and signal transmitting and receiving module.Camera module is in order to take present image.Image processing module couples camera module, and it analyzes present image capturing foreground object in the present image, and synthetic foreground object and sight background are composograph.The signal transmitting and receiving module couples image processing module, in order to setting up the communication between electronic installation and the side talked about, and transmits composograph to being subjected to words side.
In one embodiment of this invention, above-mentioned electronic installation also comprises storage module, and it couples image processing module and signal transmitting and receiving module, in order to store the sight background.
The present invention analyzes captured present image in the process of carrying out Image communicating, capturing the foreground object of present image, and then removes the residing true environment background of user, and replaces it with the sight background.Be sent to by composograph and be subjected to words side, can hide the residing true environment background of user, with protection user's privacy and convenience and the interest in the increase use with the synthetic gained of foreground object and sight background.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the flow chart of the image communication method that illustrates according to one embodiment of the invention.
Fig. 2 is the flow chart of the image communication method that illustrates according to one embodiment of the invention.
Fig. 3 is the schematic diagram of the electronic installation that illustrates according to one embodiment of the invention.
[main element label declaration]
300: electronic installation
310: camera module
320: image processing module
330: the signal transmitting and receiving module
340: storage module
Bac: sight background
Cur: present image
Syn: composograph
Voi: voice signal
Embodiment
Fig. 1 is the flow chart of the image communication method that illustrates according to one embodiment of the invention.Please refer to Fig. 1, at first, set up the communication (step S110) between electronic installation and the side talked about so that the user by electronic installation be subjected to words side to carry out communication.At this, electronic installation for example is the computer of 3G mobile phone or tool network camera.By this, the user just can take at least one present image by electronic installation and carries out Image communicating (step S120).Because the residing true environment of user may be indecency place; in order to protect user's privacy; thereby captured present image analyzed; to capture foreground object in the present image (step S130); and foreground object and sight background synthesized (step S140) behind the composograph; transmit composograph to being subjected to words side (step S150), wherein foreground object for example is user's a image itself.
In the step S130 of present embodiment, concerning single present image, can analyze the profile of foreground object in the present image by edge detection process, to capture foreground object.Generally speaking, the one feature of discontinuity appears in " edge " for brightness in the image or GTG, simple edge detection process can be utilized gradient operator (Gradient operator), for example: Sobel operator and Prewitt operator etc., to the processing (Convolution) of circling round of the image of local block, detecting the profile of foreground object in the present image, and capture foreground object.For instance, the shielding that the Sobel operator utilizes the shielding of vertical direction and horizontal direction is respectively to the processing of circling round of the pixel of present image, with vertical gradient component and the horizontal gradient component that obtains each pixel in the present image, and the gradient component of foundation two directions calculates the gradient of each pixel.And, can learn just whether the pairing pixel of this gradient is present edge of image, to sketch the contours of the profile of foreground object with gradient and after suitably threshold values (Threshold) compares.
In addition, since at present in the image except the foreground object that belongs to user itself is arranged, the object that may also include other, in the step S130 of another embodiment of the present invention, further at least one object and the geometric feature that present image is obtained after edge detection process compared, correctly to capture the foreground object that belongs to user itself.For instance, geometric figure for example is the oval copy near people's face profile, and the feature that geometric figure had for example for the face of people's face one of them.By comparison object and geometric feature, just can find out the foreground object that the object conduct that meets feature belongs to user itself.
In the step S140 of present embodiment, after capturing foreground object, just the pixel that belongs to foreground object in the present image is replaced in the sight background pixel with its tool same position, to obtain composograph.Because the scene content of sight background can be different because of the branch of distance, therefore before synthetic, can analyze foreground object shared ratio in present image, and, foreground object can be merged with the sight background according to scale convergent-divergent sight background.If foreground object shared ratio in present image hour then can extensively be changed the scene content that the sight background is comprised, on the contrary the scene content that the sight background that then can narrow is comprised, so that foreground object and sight background average out in the composograph.
At last, just can transmit composograph to being subjected to words side, to carry out Image communicating by electronic installation.And during this transmits, but also synchronous driving meet the sight background voice signal to being subjected to words side, with the authenticity of increase composograph.For example: the sight background is the seabeach landscape, and then voice signal just can be tidewater sound and aeolian tone.
Fig. 2 is the flow chart of the image communication method that illustrates according to another embodiment of the present invention.Please refer to Fig. 2, at first, set up the communication (step S210) between electronic installation and the side talked about so that the user with talked about square tube and interrogated.Then, by electronic installation, take present image every Preset Time (for example 0.3 second) and carry out Image communicating (step S220), wherein shooting time is referred to as previous image prior to the image of present image.In this, present embodiment captures foreground object (step S230) in the present image by analyzing present image and at least one previous image, and foreground object and sight background are synthesized (step S240) behind the composograph, be sent to and be subjected to words side to carry out Image communicating (step S250).
In the step S230 of present embodiment, because image has correlation usually with previous image at present, for example: constant static background, therefore can set up background image by the image of many shootings, and remove background image in the present image further, to capture foreground object.For instance, if when at present the GTG value of same position pixel is close in image and the previous image, the pixel of visual this position is static, and by new present image of taking of comparison and previous image constantly, writes down the static number of times of this pixel.When the static number of times of pixel reaches a certain default value, but this pixel just dependent of dead military hero be pixel in the background image, use and set up background image.And, can obtain foreground object by present image and the background image of being set up are subtracted each other.
In addition, in the step S230 of another embodiment of the present invention, present image can be moved to detect with previous image and handle (Motion Detection), to detect mobile object as foreground object.In present image, background image is normally fixed with respect to foreground object, and move to detect to handle to be generally present image and previous image are compared, when the GTG value of same position pixel in two images is close, the pixel that then writes down this position is static, otherwise the pixel that then writes down this position uses capturing mobile object for dynamic.
In the step S240 of present embodiment, after capturing foreground object, just the pixel that belongs to foreground object in the present image is replaced in the sight background pixel with its tool same position, obtaining composograph, and transmit composograph to being subjected to words side to carry out Image communicating.As previously mentioned,, therefore before synthetic, can analyze foreground object shared ratio in present image because the scene content of sight background can be different because of the branch of distance, and according to scale convergent-divergent sight background.And in transmitting the process of composograph, also can synchronously transmit the voice signal that meets the sight background to cause and be subjected to words side, with the authenticity of increase composograph.
Fig. 3 is the schematic diagram according to the electronic installation that one embodiment of the invention illustrated.Please refer to Fig. 3, electronic installation 300 comprises camera module 310, image processing module 320, signal transmitting and receiving module 330 and storage module 340.Camera module 310 is in order to take at least one present image C ur.Image processing module 320 couples camera module 310, and in order to analyzing present image C ur, capturing foreground object in the present image, and synthetic foreground object and sight background are composograph.At this, image processing module 320 for example is a digital signal processor, it can capture the relevant treatment (as described in above-mentioned step S130 or above-mentioned steps S230) of foreground object, and synthesizes processing (as described in above-mentioned step S140 or above-mentioned steps S240).
In sum, the foregoing description by analyzing present image, is perhaps analyzed present image with reference to previous image, to capture foreground object in the process of carrying out Image communicating.After capturing foreground object, just foreground object and sight background are synthesized, to obtain composograph.By this, real background that can filtering user environment of living in, and replace it with the sight background is with protection user's privacy and increase the interest of Image communicating.
In addition, the foregoing description also when transmitting composograph, synchronously transmit meet the sight background voice signal to being subjected to words side, arrange in pairs or groups by the perfection of phonotape and videotape, can promote the sense of reality of the side talked about widely for composograph.And according to foreground object shared ratio in present image, suitably convergent-divergent sight background also can make foreground object and sight background merge, to obtain the composograph of likelihood.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (12)
1. an image communication method is suitable for electronic installation, comprising:
Set up the communication between this electronic installation and the side talked about;
Take at least one present image;
Analyze this present image, to capture a foreground object in this present image;
Synthetic this foreground object and a sight background are composograph; And
Transmit this composograph and be subjected to words side to this.
2. image communication method according to claim 1 also comprises:
Analyze this foreground object shared ratio in this present image; And
According to this scale, this sight background of convergent-divergent.
3. image communication method according to claim 1, wherein transmit this composograph to the step of this side talked about and also comprise:
The voice signal that synchronous driving meets this sight background is subjected to words side to this.
4. image communication method according to claim 1 is wherein analyzed this image, comprises with the step that captures this foreground object in this image:
Should carry out edge detection process by present image, to analyze the profile of at least one object in this present image; And
Compare this object and a geometric feature, this object that wherein meets this feature is as this foreground object.
5. an image communication method is suitable for electronic installation, comprising:
Set up the communication between this electronic installation and the side talked about;
Every Preset Time, take present image;
Analyze this present image and at least one previous image, to capture a foreground object in this present image;
Synthetic this foreground object and a sight background are composograph; And
Transmit this composograph and be subjected to words side to this.
6. image communication method according to claim 5 also comprises:
Analyze this foreground object shared ratio in this present image; And
According to this scale, this sight background of convergent-divergent.
7. image communication method according to claim 5, wherein transmit this composograph to the step of this side talked about and also comprise:
The voice signal that synchronous driving meets this sight background is subjected to words side to this.
8. image communication method according to claim 5 is wherein analyzed this present image and this previous image, comprises with the step that captures this foreground object in this present image:
Utilize this present image and this previous image, set up background image; And
Should present image and this background image subtract each other, to obtain this foreground object.
9. image communication method according to claim 5 is wherein analyzed this present image and this previous image, comprises with the step that captures this foreground object in this present image:
Should move the detection processing with this previous image by present image, to detect mobile object as this foreground object.
10. electronic installation comprises:
Camera module is taken at least one present image;
Image processing module couples this camera module, in order to analyzing this present image capturing a foreground object in this present image, and synthesizes this foreground object and a sight background is a composograph; And
The signal transmitting and receiving module couples this image processing module, in order to setting up the communication between this electronic installation and the side talked about, and transmits this composograph and is subjected to words side to this.
11. electronic installation according to claim 10 also comprises:
Storage module couples this image processing module and this signal transmitting and receiving module, in order to store this sight background.
12. electronic installation according to claim 11, wherein this storage module also stores voice signal that should the sight background, and this this composograph of signal transmitting and receiving module synchronous driving and this voice signal are subjected to words side to this.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810179598A CN101753854A (en) | 2008-12-09 | 2008-12-09 | Image communication method and electronic device using same |
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| CN200810179598A CN101753854A (en) | 2008-12-09 | 2008-12-09 | Image communication method and electronic device using same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015144019A1 (en) * | 2014-03-26 | 2015-10-01 | 努比亚技术有限公司 | Photo sharing method and mobile terminal |
| CN107704808A (en) * | 2017-09-11 | 2018-02-16 | 广东欧珀移动通信有限公司 | Image processing method and device, electronic installation and computer-readable recording medium |
| CN108566515A (en) * | 2018-04-28 | 2018-09-21 | 努比亚技术有限公司 | It takes pictures processing method, mobile terminal and storage medium |
| CN108833718A (en) * | 2018-07-28 | 2018-11-16 | 努比亚技术有限公司 | Call method, mobile terminal and computer readable storage medium |
| CN108965695A (en) * | 2018-06-27 | 2018-12-07 | 努比亚技术有限公司 | A kind of image pickup method, mobile terminal and computer readable storage medium |
-
2008
- 2008-12-09 CN CN200810179598A patent/CN101753854A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015144019A1 (en) * | 2014-03-26 | 2015-10-01 | 努比亚技术有限公司 | Photo sharing method and mobile terminal |
| CN107704808A (en) * | 2017-09-11 | 2018-02-16 | 广东欧珀移动通信有限公司 | Image processing method and device, electronic installation and computer-readable recording medium |
| CN108566515A (en) * | 2018-04-28 | 2018-09-21 | 努比亚技术有限公司 | It takes pictures processing method, mobile terminal and storage medium |
| CN108965695A (en) * | 2018-06-27 | 2018-12-07 | 努比亚技术有限公司 | A kind of image pickup method, mobile terminal and computer readable storage medium |
| CN108833718A (en) * | 2018-07-28 | 2018-11-16 | 努比亚技术有限公司 | Call method, mobile terminal and computer readable storage medium |
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Open date: 20100623 |