CN104270577A - Image processing method and device for mobile intelligent terminal - Google Patents
Image processing method and device for mobile intelligent terminal Download PDFInfo
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- CN104270577A CN104270577A CN201410418044.6A CN201410418044A CN104270577A CN 104270577 A CN104270577 A CN 104270577A CN 201410418044 A CN201410418044 A CN 201410418044A CN 104270577 A CN104270577 A CN 104270577A
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Abstract
The invention provides an image processing method and device for a mobile intelligent terminal. The image processing method for the mobile intelligent terminal comprises the following steps: capturing a video image of a promotional item through a camera in the mobile intelligent terminal; identifying a predetermined promotional mark from the video image, and acquiring label information from the promotional mark; matching a predetermined virtual object into the video image based on the label information and the parameter data of the camera; performing three-dimensional rendering on a shooting scene of the virtual object and the promotional item through a three-dimensional rendering engine; and displaying the video image which is subjected to the three-dimensional rendering. The virtual object having a vivid visual effect can be overlapped on a promotional item image by identifying the promotional mark on the promotional item and using an augmented reality technology, so that an individual visual effect having impact is achieved, audiences of the promotional item can be vividly and deeply impressed by a person and even an enterprise publishing the promotional item, and the promotional effect is enhanced.
Description
Technical field
The present invention relates to a kind of image processing techniques, particularly relate to a kind of image processing method for mobile intelligent terminal and device.
Background technology
Enterprise, in business activity, often makes, issues the publicity objects such as such as business card, advertisement, pamphlet, gift.Good publicity object can embody and the brand image of enterprise/individual, and generation publicizes, marketing effectiveness, and the aesthetic value that there is appreciation and collect.
Make the publicity object with distinct personality and impact effect is the target that enterprise's public relation and marketing personnel constantly pursue always.
Summary of the invention
The object of the present invention is to provide a kind of image processing method for mobile intelligent terminal and device, user, by carrying out shooting scanning to publicity object, can see that the personalization of augmented reality is shown, thus publicity object audient be produced to the effect of impact.
According to an aspect of the present invention, a kind of image processing method for mobile intelligent terminal is provided.Described method comprises: the video image being caught publicity object by the camera in mobile intelligent terminal; From the publicity mark that described video image identification is predetermined, and obtain label information from described publicity mark; Predetermined dummy object matches in described video image by the supplemental characteristic based on described label information and camera; Three-dimensional rendering is carried out by the photographed scene of 3 d rendering engine to described dummy object and described publicity object; Show the video image through three-dimensional rendering.
According to a further aspect in the invention, a kind of image processing apparatus for mobile intelligent terminal is provided.Described device comprises: image acquisition unit, for being caught the video image of publicity object by the camera in mobile intelligent terminal; Marker extraction unit, the publicity mark that the described video image identification for catching from image acquisition unit is predetermined, and obtain label information from described publicity mark; Tracing Registration unit, predetermined dummy object matches in described video image by the supplemental characteristic for the described label information that obtains based on marker extraction unit and camera; Effect process unit, for carrying out three-dimensional rendering by the photographed scene of 3 d rendering engine to described dummy object and described publicity object; Effect display unit, for showing the video image through three-dimensional rendering.
Image processing method for mobile intelligent terminal of the present invention and device are by identifying the publicity mark on publicity object, and use augmented reality to be superimposed upon on publicity object image by the dummy object with lively visual effect, thus produce personalized, that there is impulsive force visual effect, contribute to making the audient of publicity object produce distincter, deep impression to the people and even enterprise that send out publicity object, strengthen the effect of publicity.
On this basis, also can carry out the interactive processing of vision, sound etc. further according to user operation, strengthen audient further to the impression of publicity object.
Accompanying drawing explanation
Fig. 1 is the flow chart of the image processing method for mobile intelligent terminal illustrated according to exemplary embodiment of the present invention;
Fig. 2 is the schematic diagram that business card is shown;
Fig. 3 ~ Fig. 6 is the schematic diagram that the business card effect shown according to the image processing method for mobile intelligent terminal of exemplary embodiment of the present invention is shown respectively;
Fig. 7 is the logic diagram of the image processing apparatus for mobile intelligent terminal illustrated according to exemplary embodiment of the present invention.
Embodiment
Present general inventive concept of the present invention is, enterprise personnel pre-sets mark on its publicity object designed; When the publicity object of such as business card, advertisement, pamphlet, gift etc. being distributed to audient (as client, potential customers, affiliate etc.), by the application being arranged on the portable terminal of such as smart mobile phone etc., the publicity object being provided with publicity mark (as enterprise logo) and mark is taken; The application of installing is analyzed the video image caught by camera, is processed, by augmented reality default dummy object be superimposed upon the video image of seizure and carry out three-dimensional rendering, then show the publicity object image through augmented reality process, produce the visual effect with impulsive force.On this basis, in order to strengthen effect further, also provide integration of user interaction functionality, when user is to when making specific reaction (as clicked) through the publicity object image of augmented reality process, also additional effect process (as action, sound, illumination) is carried out to described dummy object.
Below in conjunction with accompanying drawing, the image processing method for mobile intelligent terminal of the embodiment of the present invention and device are described in detail.
Fig. 1 is the flow chart of the image processing method for mobile intelligent terminal illustrated according to exemplary embodiment of the present invention.Fig. 3 ~ Fig. 6 illustrates for the business card shown in Fig. 2 respectively, according to the bandwagon effect of image processing method of the present invention.
With reference to Fig. 1, in step S110, caught the video image of publicity object by the camera in mobile intelligent terminal.Method of the present invention performs process to the video frame image that camera catches.
In step S120, from the publicity mark that described video image identification is predetermined, and obtain label information from described publicity mark.Such as, in the business card shown in Fig. 2, upper end shows enterprise's icon (logo) of three-dimensional five-pointed star shape, the other enterprise's font size " De Xin Tontru " showing specific font design of logo, described logo on business card, enterprise's font size " De Xin Tontru " or both combinations can be defined as described predetermined publicity mark, certain described publicity mark is not limited to aforementioned logo class, and can be any publicity mark (as product or service mark); In step S120, go out described logo, enterprise's font size " De Xin Tontru " or both combinations from the video image identification caught; If identify described predetermined publicity mark, then obtain label information from described publicity mark further, described label information, for performing the Tracing Registration of augmented reality, is registered also referred to as actual situation.
In step S130, predetermined dummy object matches in described video image by the supplemental characteristic based on described label information and camera.
Tracking technique is mainly manifested in the coordinate conversion relation between camera coordinates system and reality scene coordinate system; Registration technology is mainly manifested in and detects video camera relative to the position and attitude of reality scene and deflection, according to following the tracks of the video camera information obtained, determines the display position of virtual enhancing information in reality scene.Three-dimensional registration needs the inner parameter (focal length and pixel the ratio of width to height etc.) in conjunction with video camera, by the conversion of coordinate system and the calculating of video camera attitude of video camera and label, determine the mapping position of dummy object in actual spatial coordinates in real time, carry out the coupling of virtual video camera, finally obtain relative position and the matrix information of virtual video camera and dummy object, then the coordinate data of generating virtual object.
Particularly, according to exemplary embodiment of the present invention, step S130 can comprise following operation A) ~ C):
A) carry out computing according to the supplemental characteristic of described label information and camera, determine the mapping position of predetermined dummy object in photographed scene and the relative matrix information of virtual video camera in described photographed scene;
B) coordinate data of described dummy object is generated according to described mapping position;
C) according to the coordinate data of described relative matrix information and described dummy object, dummy object is matched in described video image.
In step S140, carry out three-dimensional rendering by the photographed scene of 3 d rendering engine to described dummy object and described publicity object.Photographed scene described here is namely for superposing the video image of described dummy object.Wherein, according to a preferred embodiment of the invention, described dummy object three-dimensional rendering is become dynamic video image.
In step S150, show the video image through three-dimensional rendering.
Fig. 3 and Fig. 5 illustrates the business card effect shown according to the image processing method for mobile intelligent terminal of exemplary embodiment of the present invention respectively.
Wherein, Fig. 3 illustrates the business card effect having superposed tank 3-D view, the tank of camouflage color style of superposition appear vividly be presented at shooting business card on, unexpected impact effect can be produced to beholder, make the audient of business card produce distincter, deep impression to the people and even enterprise that send out business card.Although cannot illustrate, by 3 d rendering engine, also can to described tank additional instance as left and right or the dynamic effect that rocks back and forth.Fig. 5 illustrates the business card effect having superposed truck 3-D view.
According to a preferred embodiment of the invention, the described image processing method for mobile intelligent terminal also comprises, in response to the operation of video image of user to display, perform following at least one process to described dummy object is additional: terrain rendering, illumination are played up, acoustic processing, particle are played up, physics is played up and user interactions response process.
Such as, played up by particle and can render such as cigarette, fire, water droplet, pyrotechnics or fallen leaves etc. in three dimensions, build unique visual effect.Again such as, additional directions light source effect, point-source of light, spotlight and area light are played up in illumination, can play up dynamic shadow, render diffuse reflection, mirror-reflection, transparent or refraction effect, also can play up water surface Fresnel reflection effect.Again such as, physics is played up and can be supported rigid motion, can accept external force and torsional forces to ensure that three dimensional object moves as in real world; Can collision body be supported, ensure mutually not pass between object; Can support Role Dilemma, force environment and the behavior of simulation people are mutual; Cloth effect can be supported, the motion state of cloth can be simulated on a grid, the object effect of the cloth such as flag, clothes waved with the wind can be simulated; Can support hinge joint, it is made up of two rigid bodies, and this pass festival-gathering retrains rigid body, makes them just look like be connected on a hinge to move like that, etc.
Fig. 4 and Fig. 6 illustrate respectively according to a preferred embodiment of the invention when the click of video image of user to display, according to the business card effect that described image processing method shows.
Wherein, in the diagram, render lighting effect to the virtual tank superposed in Fig. 3, this tank is firing shells seemingly, and the sound of additional tank transmitting simultaneously, makes the tank superposed seem very lively.In figure 6, action process is carried out to the virtual truck shown in Fig. 5, truck is vacillated now to the left, now to the right and the side lamp of truck both sides opens, also render the lighting effect that two headlights are opened, whole structure is lively, tool is personalized, contributes to strengthening the impression of audient to business card further.
Fig. 7 is the logic diagram of the image processing apparatus for mobile intelligent terminal illustrated according to exemplary embodiment of the present invention.
With reference to Fig. 7, comprise image acquisition unit 710, marker extraction unit 720, Tracing Registration unit 730, effect process unit 740 and effect display unit 750 according to the image processing apparatus for mobile intelligent terminal of exemplary embodiment of the present invention.
Image acquisition unit 710 is for catching the video image of publicity object by the camera in mobile intelligent terminal.
Marker extraction unit 720 for the predetermined publicity mark of the described video image identification that catches from image acquisition unit 710, and obtains label information from described publicity mark, and described label information is for performing the Tracing Registration of augmented reality.
Predetermined dummy object matches in described video image for the supplemental characteristic of the described label information that obtains based on marker extraction unit 720 and camera by Tracing Registration unit 730.Particularly, Tracing Registration unit 730 carries out computing for the supplemental characteristic according to described label information and camera, determine the mapping position of predetermined dummy object in photographed scene and the relative matrix information of virtual video camera in described photographed scene, generate the coordinate data of described dummy object according to described mapping position, and according to the coordinate data of described relative matrix information and described dummy object, dummy object is matched in described video image.
Effect process unit 740 is for carrying out three-dimensional rendering by the photographed scene of 3 d rendering engine to described dummy object and described publicity object.According to a preferred embodiment of the invention, described dummy object three-dimensional rendering is become dynamic video image by effect process unit 740.
Effect display unit 750 is for showing the video image through three-dimensional rendering.
According to a preferred embodiment of the invention, effect process unit 740, also in response to the operation of three-dimensional animation of user to display, performs following at least one process to described dummy object is additional: terrain rendering, illumination are played up, acoustic processing, particle are played up, physics is played up and user interactions response process.
Can be found out the description of embodiments of the invention with reference to Fig. 1 ~ Fig. 7 by above, image processing method for mobile intelligent terminal of the present invention and device are by identifying the publicity mark on publicity object, and use augmented reality to be superimposed upon on publicity object image by the dummy object with lively visual effect, thus produce personalized, that there is impulsive force visual effect, contribute to making the audient of publicity object produce distincter, deep impression to the people and even enterprise that send out publicity object, strengthen the effect of publicity.
On this basis, also can carry out the interactive processing of vision, sound etc. further according to user operation, strengthen audient further to the impression of publicity object.
The foregoing is only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (8)
1. for an image processing method for mobile intelligent terminal, it is characterized in that, described image processing method comprises the following steps:
The video image of publicity object is caught by the camera in mobile intelligent terminal;
From the publicity mark that described video image identification is predetermined, and obtain label information from described publicity mark;
Predetermined dummy object matches in described video image by the supplemental characteristic based on described label information and camera;
Three-dimensional rendering is carried out by the photographed scene of 3 d rendering engine to described dummy object and described publicity object;
Show the video image through three-dimensional rendering.
2. image processing method according to claim 1, is characterized in that, the process that predetermined dummy object matches in described video image comprises by the described supplemental characteristic based on described label information and camera:
Supplemental characteristic according to described label information and camera carries out computing, determines the mapping position of predetermined dummy object in photographed scene and the relative matrix information of virtual video camera in described photographed scene;
The coordinate data of described dummy object is generated according to described mapping position;
Dummy object matches in described video image by the coordinate data according to described relative matrix information and described dummy object.
3. the image processing method according to any one of claim 1 ~ 2, it is characterized in that, the described process carrying out three-dimensional rendering by the photographed scene of 3 d rendering engine to described dummy object and described publicity object comprises: described dummy object three-dimensional rendering is become dynamic video image.
4. image processing method according to claim 3, is characterized in that, described method also comprises:
In response to the operation of video image of user to display, perform following at least one process to described dummy object is additional: terrain rendering, illumination are played up, acoustic processing, particle are played up, physics is played up and user interactions response process.
5. for an image processing apparatus for mobile intelligent terminal, it is characterized in that, described device comprises:
Image acquisition unit, for catching the video image of publicity object by the camera in mobile intelligent terminal;
Marker extraction unit, the publicity mark that the described video image identification for catching from image acquisition unit is predetermined, and obtain label information from described publicity mark;
Tracing Registration unit, predetermined dummy object matches in described video image by the supplemental characteristic for the described label information that obtains based on marker extraction unit and camera;
Effect process unit, for carrying out three-dimensional rendering by the photographed scene of 3 d rendering engine to described dummy object and described publicity object;
Effect display unit, for showing the video image through three-dimensional rendering.
6. device according to claim 5, it is characterized in that, Tracing Registration unit is used for carrying out computing according to the supplemental characteristic of described label information and camera, determine the mapping position of predetermined dummy object in photographed scene and the relative matrix information of virtual video camera in described photographed scene, generate the coordinate data of described dummy object according to described mapping position, and according to the coordinate data of described relative matrix information and described dummy object, dummy object is matched in described video image.
7. the device according to any one of claim 5 ~ 6, is characterized in that, described dummy object three-dimensional rendering is become dynamic video image by effect process unit.
8. device according to claim 7, it is characterized in that, effect process unit, also in response to the operation of video image of user to display, performs following at least one process to described dummy object is additional: terrain rendering, illumination are played up, acoustic processing, particle are played up, physics is played up and user interactions response process.
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| CN113610987A (en) * | 2021-07-13 | 2021-11-05 | 北京远舢智能科技有限公司 | Mixed reality space labeling method and system based on three-dimensional reconstruction |
| CN113610987B (en) * | 2021-07-13 | 2024-02-20 | 北京远舢智能科技有限公司 | Mixed reality space labeling method and system based on three-dimensional reconstruction |
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Application publication date: 20150107 |