CN101651767B - Device and method for synchronously synthesizing images - Google Patents
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Abstract
The invention discloses a device and a method for synchronously synthesizing images. The device for synchronously synthesizing the images comprises at least two cameras used for respectively receiving optical signals, an image processing module used for respectively converting the optical signals received by the cameras into digital image signals, an image synthesizing module used for synchronously synthesizing the digital image signals converted from the optical signals into image data of a picture, a control module used for controlling the optical signals received by the camera to synchronously synthesize the image data of the picture according to an instruction of a user, a display used for displaying the picture synchronously synthesized by the image synthesizing module, and a storage used for storing the image data. The device and the method can simultaneously capture pictures at different camera angles at the same instant and synchronously synthesize the pictures into one picture so as to fulfill the real intention of group photo furthest.
Description
Technical field
The present invention relates to image synthesizer and method thereof, relate in particular to image synchronization synthesizer and the method thereof that to synthesize synchronously the captured image of each camera.
Background technology
In general, the digital photographing device at first receives light by camera lens, then utilize and be called as CCD (Charge Coupled Device, charge coupled device) or CMOS (Complementary Metal-Oxide-Semiconductor, the CMOS Image Sensor) photographic element converts the light that receives to the signal of telecommunication, at last the signal of telecommunication is recorded in internal memory and the storage card as data.
Digital camera as the digital photographing device generally only has a camera, the user aims at scenery or the personage that the user chooses with camera when taking pictures, press shutter release button, the image that enters in the view-finder becomes photo, and stores in the memory of digital camera.
Present digital camera has automatic identification function, can identify user's the privileged site such as face, head, eyes and does corresponding adjustment and process.
Present Video processing software has the image complex functionality, many images can be synthesized one, and can automatically process seam and adjust optical characteristics, makes it to seem more consistent.Present video processing technique can also be changed the specific part in the image, such as the hair in the image, clothes, necktie etc.
Present mobile phone generally has camera function, some high-end mobile phone even be equipped with two cameras, and one is used for photographed, and one is used for taking user's head portrait or is used for video telephone.
In order to solve the image composition problem in taking pictures, in the TOHKEMY 2000-316125 communique (on November 14th, 2000 is open), a kind of image synthesizer is disclosed, this device extracts the zone of object from many images of taking in same place, only be the image of background and the simultaneous image of object of other images by image and the background of object being synthesized or do not synthesized, can synthesize to make.
In TOHKEMY 2001-333327 communique (on November 30th, 2000 is open), a kind of digital camera and image processing method are disclosed, that shooting can be finished overlaps onto on the image in the shooting with reference to the designated zone in the image (object zone), it is shown in monitor picture or view finder, can generate simultaneously the view data that the object in the object zone is synthesized to the composograph on the image in the shooting.
In Chinese application number is 03821626.4 prospectus, disclose the recording medium of a kind of image synthesizer, method, program and this program of record, the first object and the second object of taking respectively can have been synthesized without sense of discomfort ground with respect to background.
But there are the following problems for these prior aries.
The first, at first to shear out and take with reference to the object in image zone, and then with other picture registration, thereby synthetic again after needing take pictures for twice, twice is taken pictures not is to occur simultaneously.The important feature of photo is take pictures moment group photo person's expression of record, for example, people's heighten atmosphere of telling funny stories is arranged when taking pictures, and then records everybody common smile.If twice photo is synthetic before and after using, group photo person expression is not with flashy, can depart from the original idea of group photo.
The second, still can not solve the problem that oneself has a photo taken, namely the user takes pictures and automatically oneself is synthesized to simultaneously problem in the selected background.The user need to have a photo taken under some scene, as when the user travels alone will and the object of landscape group photo when inconvenience looks for the people to help taking pictures again, user and wish group photo between have when stopping, the user wants with the object that does not allow to take a group photo (such as impaired easily historical relic) when taking a group photo etc.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide a kind of image synchronization synthesizer and the method thereof that can synthesize synchronously the captured image of two or more cameras.
To achieve these goals, comprise according to image synchronization synthesizer provided by the present invention: at least two cameras, to be used for respectively receiving optical signals; Image processing module is to be used for that the light signal that described each camera was received is converted to respectively the digital image signal; Image synthesis unit is to be used for being synthesized synchronously by described each digital image signal that described light signal the is changed view data of a picture; Control module is controlled the view data that the light signal that is received by described camera synthesizes a picture synchronously with the instruction that is used for User; Display is be used for to show the picture that is synthesized synchronously by described image synthesis unit institute; Memory is to be used for storing image data.
Wherein, be provided with accordingly respectively described image processing module with described each camera.
In addition, preferably also comprise User's Interface, to be used for receiving user's instruction.
In addition, preferably also comprise communication port, to be used for inputing or outputing data to described device.
Wherein, at least one rotatably arranges in described each camera.
In addition, preferably also comprise mobile communication module.
In addition, the light signal that described each camera receives converts respectively the digital image signal to by described image processing module, and at least one described digital image signal is transferred to described image synthesis unit by communication mode.
Wherein, described communication mode preferably includes internet communication mode, wireless network communication mode and mobile radio communication communication mode.
In addition, comprise according to image synchronization synthesizer provided by the present invention: at least two cameras, to be used for respectively receiving optical signals; Control unit being used for that the light signal that described each camera was received is converted to respectively the digital image signal, and synthesizes described each digital image signal the view data of a picture synchronously; Display is be used for to show the picture that is synthesized synchronously by described control unit institute; Memory is to be used for storing image data.
In addition, according to image synchronization synthetic method provided by the present invention, comprise step: at least two camera difference receiving optical signals; The light signal that described each camera receives is converted to respectively the digital image signal; Described each digital image signal synthesizes the view data of a picture synchronously.
Wherein, described view data can also be the synthetic data of described each digital image signal and existing view data.
In addition, preferably further comprise the step of the described view data of storage.
As mentioned above, can also it be synthesized on the picture synchronously with the picture that catches simultaneously in a flash different angle lenses by the present invention, thereby can satisfy to greatest extent the original idea of taking a group photo.
And, need not to seek help from other people by user of the present invention, also need not to enable the automatic shooting function of camera, just can when take at the moment picture, the personal images automatic synchronization be synthesized in the captured picture, thereby bring convenience for taking pictures of user.
Description of drawings
The functional structure block diagram of the camera arrangement with multi-cam image synchronization complex functionality that provides according to embodiments of the invention is provided Fig. 1.
The functional structure block diagram of the mobile phone with multi-cam image synchronization complex functionality that provides according to embodiments of the invention is provided Fig. 2.
Fig. 3 is the flow chart of the process of making user human body image material.
The flow chart of the image synchronization building-up process that provides according to the embodiment of the invention is provided Fig. 4.
The functional structure block diagram of the distributed camera arrangement with multi-cam image synchronization complex functionality that provides according to embodiments of the invention is provided Fig. 5.
Embodiment
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings.But, the embodiment that the present invention is not limited in this explanation and also can be embodied as other forms.Instead, embodiment described herein be for the content that makes record more thoroughly and complete and in order fully to transmit thought of the present invention to those skilled in the art and to provide.
Fig. 1 is the functional structure block diagram of the camera arrangement with multi-cam image synchronization complex functionality that provides according to embodiments of the invention.As shown in Figure 1, described camera arrangement comprises: the first camera 101, second camera 102, the first image processing module 103, the second image processing module 104, image synthesis unit 105, control module 106, display 107, memory 108, shutter release button 109, User's Interface 110, communication port 111, power supply 112 etc.Wherein, such as the module that comprises in the figure dotted line frame, namely the first image processing module 103, the second image processing module 104, image synthesis unit 105, control module 106 can be integrated in the control unit.
Wherein, the first camera 101 is optical element, and generally display 107 and arranging dorsad points to user the place ahead when taking pictures.The first camera 101 main light signals that receive the place ahead scenery, light signal is sent to the first image processing module 103 as the basis of further opto-electronic conversion.The first camera 101 can have the functions such as focusing, camera lens is flexible.At this, the first camera 101 can also rotatably arrange on camera arrangement, thereby enables to point to arbitrarily direction.
The first image processing module 103 is made of photo detector and subsidiary electronic circuit thereof etc. usually.The first image processing module 103 is treated to the digital image signal from the first camera 101 receiving optical signals and with it.Particularly, the light signal of first the first camera 101 being taken carries out opto-electronic conversion, encodes again.As the device of general opto-electronic conversion such as CCD, CMOS etc. are arranged, as long as and other can make light signal be converted into the device of view data.
The second image processing module 104 is identical with the first image processing module 103, and repeats no more.
In logic, each image processing module 103,104 with independent camera 101,102 corresponding, but a plurality of image processing module 103,104 also can become one physically.Image processing module 103,104 pairs of light signals from each camera 101,102 receptions are treated to corresponding digital image signal simultaneously.
In general, second camera 102 points to the user when taking pictures, therefore, that the second image processing module 104 also needs the part that will need in the image than the first image processing module 103 more functions, be object, from picture background, extract, for example user's head portrait is clapped from second camera 102 and extracted the image, be called user's head portrait herein, be used for and the synthesizing of the first camera 101 image of clapping.The work that the part that needs in the image is accurately extracted from picture is called scratches figure (scratching picture) or goes at the end, is a mature technology.
Image synthesis unit 105 will come from each camera 101,102 image synchronization synthesizes a picture.That is, will be synthesized synchronously by the described digital image signal that described each image processing module 103,104 is changed from light signal the view data of a picture.The main following functions of realizing:
(1) user's head portrait and user's human body image material can be synthesized user's photo.
User's human body image material takes in advance and leaves in the memory 108 of camera arrangement, can comprise multiple posture and wear various clothes, can from material database, be specified by the user and specifically select which width of cloth as user's human body image material of this use or use a default width of cloth.When taking pictures, when finding a view, second camera 102 extracts user's head portrait by the second image processing module 104, image synthesis unit 105 usefulness user head portraits are replaced the head in user's human body image material,, user's head portrait and user's human body image material are synthesized user's photo that is.To carry out convergent-divergent to user's head portrait with reference to the size of the head in the human body material when synthetic.
(2) user's photo is placed into correct position in the background.
Find a view beginning before press shutter release button 109, the scenery of the first camera 101 picked-ups shows as a setting that at display 107 the synthetic user's photo of user's human body image material of storage is superimposed upon on the background as floating image in user's head portrait of use second camera 102 picked-ups and the memory 108.For making things convenient for the user to operate and determine effect, floating image also can be translucent.The user utilizes size and the putting position of User's Interface 110 control floating images.Image synthesis unit 105 also can be put floating image the next door of camera lens focus place scenery in the background automatically, at this moment, need image synthesis unit 105 to identify human body or the scenery at camera lens focus place, the human body identification is easy, and scenery identification has certain difficulty, may produce error.
(3) user's photo and background are coordinated mutually.
User's photo comes from user's head portrait that second camera 102 takes and is stored in the synthetic of user's human body image material in the memory 108, and background comes from the first camera 101, and final photo will be synthetic by three place's pictures.Because the difference of the angle that every part picture is taken pictures, light, distance, the first-class factor of camera lens, need to be to user's photo, i.e. the floating image of this moment, the coordination processing is so that user's photo is coordinated mutually with background.The implication of coordinating is after after the coordinatedization processing two or many pictures synthesize a pictures, and approaching or reach these objects for people's sensation is the effect of being taken by a camera.The process of coordinationization can be subdivided into:
1) processing of user's head portrait
Because user's head portrait is by the hand-held camera arrangement of user the head of oneself to be taken, belong to closely and take pictures, need to adjust user's head portrait with reference to focal length and the angle of the focusing square frame in the background.
2) processing of user's photo
After user's photo put assigned address, need to process user's photo with reference to focal length, angle, the light of the focusing square frame in the background, make it from visually seeming similarly to be to take pictures out in the focal position of focusing square frame by the first camera 101.
3) processing of user's photo place background
If the scenery more complicated at user's photo place, present position in background, also need to consider the order that stacks of user's photo and background frame, such as the background essential part at basecoat, it is user's photo on it, branch in the background, flowers and plants are placed in last layer, realize the multi-level demonstration between grading of user's photo, background essential part, background protuberance.For reaching ideal effect, this step needs user's participation, and image synthesis unit 105 can provide operation indicating.
Effect after synthetic shows at display 107, when the user presses shutter release button 109, image synthesis unit 105 synthesizes final photo with user's photo and background, namely generates simultaneously object that second camera 102 takes is synthesized to the composograph on the image that the first camera 101 takes as a part view data.This view data can further store in the memory 108.
Control module 106 is used for receiving and processing user's instruction, and controls the work of each functional module and parts according to this instruction, especially controls the view data that is synthesized synchronously a picture by described camera 101,102 light signals that receive.
User's Interface 110 is used for receiving user's instruction, comprises user's command reception parts (not shown) and transfer member (not shown).User's instruction is generally finished by operation keys, can be other forms such as sound, action also, and user's command reception parts receive various types of user's instructions, and change into the corresponding signal of telecommunication.Transfer member is responsible for the signal of telecommunication is sent to control module 106.
Power supply 112 is each functional module power supply source.Can be dry cell, rechargeable battery, AC and DC external power supply etc.
Fig. 2 is the functional structure block diagram of the mobile phone with multi-cam image synchronization complex functionality that provides according to embodiments of the invention.As shown in Figure 2, on the basis of camera arrangement shown in Figure 1, can further increase the mobile communication part that is consisted of by mobile communication module 213, loud speaker 214, microphone 215, keyboard 216, antenna 217 etc., thereby consist of a mobile phone with multi-cam image synchronization complex functionality.At this, the module 201～212 among Fig. 2 is identical with module 101～112 among Fig. 1, and repeats no more.
Keyboard 216 is used for the user and inputs the contents such as telephone number, Word message.
Antenna 217 is used for receiving and the transmission wireless signal.
Mobile communication partly consists of mobile phone in general sense, and take pictures part and the parts such as mobile communication part common display 207, power supply 212 are subjected to user's control to taking of common source.
Fig. 3 is the flow chart of making the process of material.Describe as an example of making user human body image material example in this embodiment.
At step S301, take user individual photo, the photo of namely taking and wear various dress ornaments, poseeing multiple postures such as standing, sit, lie with camera arrangement shown in Figure 1 or mobile phone shown in Figure 2.
At step S302, and take the photo do not comprise the user under step S301 the same terms.That is, it is mobile mostly to be photographic means, but the user takes after walking out before the photographic means.It can be take a picture identical background or comprise at least the background of personage's all edge images of living in except the personage in step S301.
At step S303, utilize image synthesis unit from " S301 takes a picture ", to deduct " S302 takes a picture " part, thereby obtain user's human body image:
(1) finds first the part of " S301 takes a picture " identical with pixel in " S302 takes a picture " (extremely be similar on the continuum and also think identical);
(2) extract pixel is identical in two photos part and by this part surround, semi-surrounding or the part that wraps, reach " remainder that S302 takes a picture " as " remainder that S301 takes a picture ";
(3) remove the zone identical with pixel in " remainder that S302 takes a picture " from " remainder that S301 takes a picture ", remainder is as user's human body image material, and background is selected monochrome or Transparent color.
At step S304, import described user's human body image material and deposit in the memory as material database.
For producer's volume image material, also can take out portrait by automatic lifting from photo by camera arrangement or mobile phone.Method is to identify first human body from photo, removes background again or background is become monochrome.This class technology is ripe and known, no longer describes in detail here, specifically can be with reference to the processing method of the image processing softwares such as human body recognition technology and Photoshop and Coreldraw 12.Can also be by the user by other tool making human body image materials such as computers, the memory that is input to camera arrangement or mobile phone by the communication port on camera arrangement or the mobile phone is stored as material.
Fig. 4 is the flow chart of the image synchronization building-up process that provides according to the embodiment of the invention.Describe as an example of camera arrangement example in this embodiment.
As shown in Figure 4, at step S401, open the image synchronization complex functionality, and begin to take pictures.
At step S402, to adjust the first camera and aim at scenery, it is facial that second camera is aimed at the user.Present camera arrangement has automatic focusing square frame mostly, and the square frame the inside is the content that emphasis will represent in the photo.
At step S403, as a setting, user's face-image of second camera picked-up is superimposed upon on the background as floating image the scenery of the first camera picked-up on display, and for making things convenient for the user to operate and determine effect, floating image also can be translucent.
At step S404, select whether to use material database by the user.If select not use, user's head portrait is direct and background is synthetic; If choice for use, the user can choose the required posture that prestores, user's human body image material of clothes from material database.
At step S405, choose suitable user's human body image from material database.
Head part in the alternative user's human body image of user's head portrait that step S406 takes with second camera consists of new floating image.When display shows image, on background image, show floating image with the form that covers.Visually generate composograph data by two images, but actually, only have respectively the image based on two view data, do not have generated data.
At step S407, according to user's instruction adjust the size of floating image, on background frame residing position, the depth of field and with the order that stacks of background frame.Distance, the optical characteristics of the scenery that camera arrangement can be chosen according to the focusing square frame of the first camera among the step S402 are processed floating image, make it consistent.If in the first camera the personage is arranged, the personage's who can be automatically takes according to the first camera distance, optical characteristics are processed floating image, make it consistent.As the personage in the floating image being placed in the personage's that the first camera takes next door, height is consistent etc.The user can by send to camera arrangement instruction to the size of floating image, putting position, optical characteristics, with the stacking order, whether intert and do further to adjust in the medium characteristic of background of background frame.If the user sends instruction, be as the criterion with user's instruction.
At step S408, receive user's shooting instruction after, background frame and floating image are synthesized a photo, it is synthetic to carry out data.Carry out picture when synthetic according to the optical characteristics of background frame to floating image, for example " pixel value " processed again, makes whole picture optical characteristics harmonious.So-called " pixel value " is the value of pixel on the photo, and the figure place of normal operation regulation represents.For example, in the situation of black and white two values, existing with 1 bit table; In the monochromatic situation of 256 gray scales, existing with 8 bit tables; In the colored situation of each 256 gray scale of red, green, blue, existing with 24 bit tables.In the situation of colour, it is more to be broken down into the situation that the three primary colors of the light of red, green, blue show.
At step S409, with photo storage in memory.
Above embodiment is not limited to static picture, also can be the process of making a video recording dynamically.
In fact, aforesaid image synchronization synthesizer can also further be a kind of distributed network equipment, and camera is distributed in various places, and the picture that each camera is taken is by the wired or wireless communication network, such as the Internet, wireless network or mobile radio communication etc. is transferred to together and synthesizes.
Fig. 5 is the functional structure block diagram of the distributed camera arrangement with multi-cam image synchronization complex functionality that provides according to embodiments of the invention.As shown in Figure 5, distributed camera arrangement comprises: local device and strange land equipment, described local device and strange land equipment utilize respectively local communication port 511-1 and strange land communication port 511-2 mutually to communicate by communication network 513.
Wherein, described local device comprises: local camera 501, local image processing module 503, image synthesis unit 505, display 507, control module 506, memory 508, shutter release button 509, User's Interface 510, local communication port 511-1 and local power supply 512-1.
Described strange land equipment comprises: strange land camera 502, allopatric image processing module 504, strange land communication port 511-2 and strange land power supply 512-2.
Because each functional part shown in Figure 5 is identical with operation principle and the course of work of corresponding each functional part shown in Figure 1, so repeat no more in this content to repetition.
When utilizing described distributed camera arrangement to take pictures, local camera 501 will point to respectively different scenery with strange land camera 502, the scenery that can take with local camera 501 is picture as a setting, the scenery that strange land camera 502 is taken is synthesized on the described background frame synchronously as floating image, the scenery of can certainly be on the contrary taking with strange land camera 502 is picture as a setting, and the scenery that local camera 501 is taken is synthesized on the described background frame synchronously as floating image.The picture synchronization that image synthesis unit 505 is taken picture and the strange land camera 502 of local camera 501 shootings is synthetic, and the final image that is synthesized will store 508 li of memories into.
Distributed camera arrangement with multi-cam image synchronization complex functionality can synthesize synchronously to picture or the video that different geographical is taken, and can be used for the fields such as monitoring, video conference.
Claims (11)
1. image synchronization synthesizer comprises:
At least two cameras are to be used for respectively receiving optical signals;
Image processing module is to be used for that the light signal that described each camera was received is converted to respectively the digital image signal;
Image synthesis unit is with each digital image signal of being used for being changed by described light signal view data that synthesizes a picture synchronized with each other in real time;
Control module is controlled the view data that the light signal that is received by described camera synthesizes a picture synchronously with the instruction that is used for User;
Display is be used for to show the picture that is synthesized synchronously by described image synthesis unit institute;
Memory, being used for storing image data,
Wherein, one in described at least two cameras is pointed to the user to take user's head portrait when taking, and other cameras in described at least two cameras are the shooting background image when taking,
Image synthesis unit is positioned in the background image user's image of taking to generate the view data of a picture, and user's image is shown as floating image with the form that covers on background image.
2. image synchronization synthesizer according to claim 1 is characterized in that being provided with accordingly respectively described image processing module with described each camera.
3. image synchronization synthesizer according to claim 1 characterized by further comprising User's Interface, to be used for receiving user's instruction.
4. image synchronization synthesizer according to claim 1 characterized by further comprising communication port, to be used for inputing or outputing data to described device.
5. image synchronization synthesizer according to claim 1 is characterized in that at least one rotatably arranges in described each camera.
6. the described image synchronization synthesizer of any one in 5 according to claim 1 characterized by further comprising mobile communication module.
7. image synchronization synthesizer according to claim 2, it is characterized in that the light signal that described each camera receives converts respectively the digital image signal to by described image processing module, and at least one described digital image signal is transferred to described image synthesis unit by communication mode.
8. image synchronization synthesizer according to claim 7 is characterized in that described communication mode comprises internet communication mode, wireless network communication mode and mobile radio communication communication mode.
9. image synchronization synthetic method comprises step:
At least two camera difference receiving optical signals;
The light signal that described each camera receives is converted to respectively the digital image signal;
With each digital image signal view data that synthesizes a picture synchronized with each other in real time,
Wherein, one in described at least two cameras is pointed to the user to take user's head portrait when taking, and other cameras in described at least two cameras are the shooting background image when taking,
In synthetic step, user's image of taking is positioned in the background image to generate the view data of a picture, user's image is shown as floating image with the form that covers on background image.
10. image synchronization synthetic method according to claim 9 is characterized in that described view data is the synthetic data of described each digital image signal and existing view data.
11. according to claim 9 or 10 described image synchronization synthetic methods, it is characterized in that further comprising the step of storing described view data.
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| CN114745508B (en) * | 2022-06-13 | 2023-10-31 | 荣耀终端有限公司 | Shooting method, terminal equipment and storage medium |
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