CN103150759A - Method and device for dynamically enhancing street view image - Google Patents
Method and device for dynamically enhancing street view image Download PDFInfo
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Abstract
The invention discloses a method and a device for dynamically enhancing a street view image. The method comprises the following steps of obtaining an original street view image and traffic information, wherein the original street view image is displayed on a terminal with a display screen; analyzing the original street view image, and identifying one or a plurality of traffic indication icons from the original street view image; according to the traffic information, rendering one or a plurality of the traffic indication icons by a preset icon rendering rule; and synthesizing one or a plurality of the rendered traffic indication icons and the original street view image, so as to generate and synthesize the street view image. The method and the device have the advantages that content information is dynamically added into the street view image, and the method and the device are favorable for a user to visually and efficiently make decisions related to traveling.
Description
Technical field
The present invention relates to the augmented reality field, relate in particular to a kind of method and apparatus of dynamically strengthening that the streetscape image is carried out.
Background technology
Augmented reality (AR) technology is the new technology that grows up on the basis of virtual reality, also is referred to as the mixed reality technology.This technology is to increase the user to the real world perception by the information that computer system provides, virtual information is applied to real world, and dummy object, scene or system prompt information that computing machine generates are added in real scene, thereby realize enhancing to reality scene.In recent years, augmented reality was widely used in the fields such as streetscape digital map navigation, medical treatment, amusement, game along with the growth of computing power begins develop rapidly.
How augmented reality being applied to the streetscape digital map navigation is one of focus of current navigation field research.At present, Google's streetscape map can be drawn out track in its streetscape image, depth information is provided; Some 3D streetscapes Imax Corp. also can provide depth information in its streetscape image.But all there is following problem in above existing streetscape Cartographic Technique: fail with transport information and streetscape image dynamically, effectively combine.
Summary of the invention
The object of the invention is to solve by a kind of improved method and apparatus that the streetscape image is carried out dynamic enhancing the problem that above background technology is partly mentioned.
For reaching this purpose, the present invention by the following technical solutions:
A kind of method of the streetscape image being carried out dynamic enhancing, described method comprises:
Obtain original streetscape image and transport information, wherein said original streetscape image is used for being presented at the terminal with display screen;
Described original streetscape image is carried out image analysis, identify the one or more traffic indication icons in described original streetscape image;
According to described transport information, play up rule according to predetermined icon described one or more traffic indication icons are played up; And
Described one or more traffic indication icons and described original streetscape image through playing up are synthesized, generate synthetic streetscape image.
Further, describedly obtain original streetscape image and comprise: positional information and the directional information of obtaining described terminal; According to described positional information and described directional information, retrieval obtains original streetscape image in the streetscape image data base.
Further, described streetscape image is actual streetscape image or virtual streetscape image.
Further, described transport information comprises Real-time Traffic Information or historical traffic information.
Further, described Real-time Traffic Information comprises: real-time road condition information or real-time parking parking space information.
Further, described traffic indication icon comprises: road guideboard or parking.
Further, described according to described transport information, playing up regular described one or more traffic indication icons are played up according to predetermined icon comprises: in the situation that described traffic indication icon is the road guideboard, described real-time road condition information according to described Real-time Traffic Information comprises carries out painted processing to the road word in described road guideboard or road sign; In the situation that described traffic indication icon is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised play up on described parking in described original streetscape image or near.
Further, described according to described transport information, playing up rule according to predetermined icon plays up described one or more traffic indication icons and comprises: in the situation that described transport information comprises historical traffic information, with described historical traffic information play up on corresponding traffic indication icon or near.
Accordingly, the invention allows for a kind of device that the streetscape image is carried out dynamic enhancing, described device comprises:
Acquisition module is used for obtaining original streetscape image and transport information, and wherein said original streetscape image is used for being presented at the terminal with display screen;
The image analysis module, the described original streetscape image that is used for acquisition module is obtained carries out image analysis, identifies the one or more traffic indication icons in described original streetscape image;
Rendering module for the described transport information of obtaining according to acquisition module, is played up rule according to predetermined icon described one or more traffic indication icons is played up; And
Synthesis module is used for described one or more traffic indication icons and described original streetscape image through playing up are synthesized, and generates synthetic streetscape image.
The method and apparatus that the streetscape image is carried out dynamically strengthening that the present invention proposes has following features: by means of augmented reality, by playing up traffic indication icon corresponding with these information in the streetscape image according to Real-time Traffic Information or historical traffic information, effectively the indication icon of the traffic through playing up and original streetscape image are synthesized together, thereby increased content information dynamically for the streetscape image, finally help the user to make intuitively, efficiently and the relevant decision-making of going on a journey.
Description of drawings
Fig. 1 carries out the realization flow figure of the method that dynamically strengthens according to first embodiment of the invention to the streetscape image;
Fig. 2 a is the schematic diagram of an original streetscape image;
Fig. 2 b plays up streetscape image schematic diagram after processing according to the preferred embodiment for the present invention to Fig. 2 a;
Fig. 3 carries out the realization flow figure of the method that dynamically strengthens according to second embodiment of the invention to the streetscape image;
Fig. 4 carries out the structural representation of the device that dynamically strengthens according to third embodiment of the invention to the streetscape image.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.Be understandable that, specific embodiment described herein only is used for explaining the present invention, but not limitation of the invention.Also need to prove in addition, for convenience of description, only show part related to the present invention in accompanying drawing but not full content.
Figure 1 illustrates the first embodiment of the present invention.
Fig. 1 for according to first embodiment of the invention the streetscape image is carried out the realization flow 100 of the method that dynamically strengthens, details are as follows for this realization flow 100:
In step 101, obtain original streetscape image and Real-time Traffic Information.
In the first embodiment, has the described original streetscape image of demonstration on the terminal of display screen.Described terminal can be directly from the described original streetscape image of local reading pre-stored (for example buffer memory or built-in in advance) in advance, perhaps can remotely read the described original streetscape image that other position (for example server) is located by cable network or wireless network.
Described streetscape image can be the virtual streetscape image that utilizes apparatus for making a video recording to take the actual streetscape image that obtains or utilize virtual reality technology to generate in the present embodiment.
In the present embodiment, can obtain Real-time Traffic Information by means of the broadcasting of traffic platform, wire/radio network or other technological means.
In step 102, original streetscape image is carried out image analysis.
In the present embodiment, the original streetscape image that obtains is carried out image analysis, and icons are indicated in the one or more traffic that utilize existing image icon recognition methods to identify in described original streetscape image.Wherein, described image icon recognition methods includes but not limited to: utilize respectively the not icon recognition methods of bending moment group and deforming template coupling of boundary direction and Hu; Thereby obtain in the distribution situation of distance areas the region direction histogram method that shape facility is identified by pixel in the statistics icon; Perhaps based on the icon recognition methods of the characteristics of image such as Fourier descriptor, Zern ike square and pseudo-Zern ike square.
In the present embodiment, described traffic indication icon includes but not limited to: road guideboard, parking or place signboard (for example management place signboard of refuelling station's signboard and so on).
In step 103, one or more traffic indication icons are played up.
In the present embodiment, according to Real-time Traffic Information, play up rule according to predetermined icon described one or more traffic indication icons are played up.Wherein, described icon is played up rule and is used for that various types of traffic index map targets are played up mode and is described and defines.As a kind of preferred mode, described icon is played up rule and is kept on terminal or the server related with terminal with the form of XML file.
In step 104, generate synthetic streetscape image.
In the present embodiment, one or more traffic indication icons and original streetscape image through playing up are synthesized, generate synthetic streetscape image.In described synthetic streetscape image, the original traffic indication icon in described original streetscape image can directly be replaced by traffic indication icon corresponding, through playing up.
In a preferred implementation of the present embodiment, described Real-time Traffic Information comprises real-time road condition information or real-time parking parking space information.thus, in the situation that one of described traffic indication icon of identifying in step 102 is the road guideboard, the described real-time road condition information that comprises according to described Real-time Traffic Information, road word in described road guideboard or road sign (for example representing the straight line of road/segment of curve symbol) are carried out painted processing, such as, road word or the road sign of the jam road in described road guideboard are played up redness, road word or the road sign of the passing road at a slow speed in described road guideboard are played up yellow, road word or the road sign of the unimpeded road in described road guideboard are played up green, in the situation that one of the described traffic of identifying in step 102 indication icon is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised play up on described parking in described original streetscape image or near.As example, Fig. 2 a shows the schematic diagram of an original streetscape image; And Fig. 2 b shows according to above-mentioned preferred implementation Fig. 2 a is played up streetscape image schematic diagram after processing.In Fig. 2 b, according to real-time road condition information, the road sign in the road guideboard in Fig. 2 a upper left corner (being line segment shown in Fig. 2 a) has been carried out the cloring processing.
In a preferred implementation of the present embodiment, obtain original streetscape image and can followingly carry out: positional information and the directional information of at first obtaining terminal by means of locating device (such as satellite positioning device and gyroscope etc.); Then, according to described positional information and described directional information, retrieval obtains original streetscape image in the streetscape image data base.
Figure 3 illustrates the second embodiment of the present invention.
Fig. 3 for according to second embodiment of the invention the streetscape image is carried out the realization flow 300 of the method that dynamically strengthens, details are as follows for this realization flow 300:
In step 301, obtain original streetscape image and historical traffic information.
In a second embodiment, has the described original streetscape image of demonstration on the terminal of display screen.Described terminal can be directly from the described original streetscape image of local reading pre-stored (for example buffer memory or built-in in advance) in advance, perhaps can remotely read the described original streetscape image that other position (for example server) is located by cable network or wireless network.
Can obtain historical traffic information by means of the broadcasting of traffic platform, wire/radio network or other technological means in the present embodiment.Wherein, described historical traffic information can be presented with the intuitive manner of histogram and so on for the past statistical information of showing traffic and/or following trend information etc.
In step 302, original streetscape image is carried out image analysis.
In the present embodiment, the original streetscape image that obtains is carried out image analysis, icons are indicated in the one or more traffic that utilize existing image icon recognition methods to identify in described original streetscape image.
In step 303, one or more traffic indication icons are played up.
In the present embodiment, according to historical traffic information, playing up rule according to predetermined icon plays up described one or more traffic indication icons, for example, described historical traffic information (period information of blocking up that obtains such as statistics) is played up on the corresponding traffic indication icon of this transport information (such as the road guideboard) or near.Wherein, described icon is played up rule and is used for that various types of traffic index map targets are played up mode and is described and defines.
In step 304, generate synthetic streetscape image.
In the present embodiment, one or more traffic indication icons and original streetscape image through playing up are synthesized, generate synthetic streetscape image.
As can be seen from Figure 3, different from the first embodiment is, step 301 is in a second embodiment obtained is historical traffic information but not Real-time Traffic Information.The benefit of obtaining historical traffic information is, can present traffic state data or its statistical data analysis in the past on the relevant position of streetscape image, thereby help the user of described terminal to carry out analysis and decision (for example analyzing and definite traffic path).
Fig. 4 shows the third embodiment of the present invention.
Fig. 4 is for carrying out the structural representation of the device that dynamically strengthens according to third embodiment of the invention to the streetscape image.As shown in Figure 4, the device 400 that the streetscape image is carried out dynamically strengthening according to the present embodiment comprises acquisition module 401, image analysis module 402, rendering module 403 and synthesis module 404.Wherein, described acquisition module 401 is used for obtaining original streetscape image and the transport information having on the terminal of display screen to be shown; The described original streetscape image that image analysis module 402 is used for acquisition module 401 is obtained carries out image analysis, identifies the one or more traffic indication icons in described original streetscape image; Rendering module 403 is played up rule according to predetermined icon described one or more traffic indication icons is played up for the described transport information of obtaining according to acquisition module 401; And synthesis module 404 is used for described one or more traffic indication icons and described original streetscape image through playing up are synthesized, and generates synthetic streetscape image.
In the present embodiment, described acquisition module 401 can be directly from the described original streetscape image of local reading pre-stored (for example buffer memory or built-in in advance) in advance, perhaps can remotely read the described original streetscape image that other position (for example server) is located by cable network or wireless network.And described acquisition module 401 can obtain Real-time Traffic Information by means of the broadcasting of traffic platform, wire/radio network or other technological means.
In the present embodiment, the original streetscape image that 402 pairs of acquisition modules 401 of described image analysis module obtain carries out image analysis, and icons are indicated in the one or more traffic that utilize existing image icon recognition methods to identify in described original streetscape image.Wherein, described image icon recognition methods includes but not limited to: utilize respectively the not icon recognition methods of bending moment group and deforming template coupling of boundary direction and Hu; Thereby obtain in the distribution situation of distance areas the region direction histogram method that shape facility is identified by pixel in the statistics icon; Perhaps based on the icon recognition methods of the characteristics of image such as Fourier descriptor, Zern ike square and pseudo-Zern ike square.
In the present embodiment, described rendering module 403 can be according to Real-time Traffic Information, play up rule according to predetermined icon described one or more traffic indication icons that described image analysis module 402 identifies played up.Wherein, described icon is played up rule and is used for that various types of traffic index map targets are played up mode and is described and defines.
In the present embodiment, described synthesis module 404 will synthesize through one or more traffic indication icons and the original streetscape image that rendering module 403 is played up, and generates synthetic streetscape image.In described synthetic streetscape image, the original traffic indication icon in described original streetscape image can directly be replaced by traffic indication icon corresponding, through playing up.
In a preferred implementation of the present embodiment, described acquisition module 401 further comprises be used to the azimuth information of the positional information of obtaining described terminal and directional information and obtains the submodule (not shown); Described acquisition module 401 can obtain described positional information and the described directional information that submodule obtains according to described azimuth information, and retrieval obtains original streetscape image in the streetscape image data base.
Described terminal or device refer to desk-top computer, laptop computer, palm PC, personal digital assistant (PDA), hand-held electronic treating apparatus, the smart mobile phone in conjunction with PDA and cell-phone function, guider, iPod, iPod/MP3 player or any other electronic installation of process information and displays image information automatically in the present invention.Above-mentioned terminal or device can also further be configured to by wired or wireless database or another device of being connected to.
Technical solutions according to the invention can be by means of augmented reality, by playing up traffic indication icon corresponding with these information in the streetscape image according to Real-time Traffic Information or historical traffic information, effectively the indication icon of the traffic through playing up and original streetscape image are synthesized together, thereby increased content information dynamically for the streetscape image, finally help the user to make intuitively, efficiently and the relevant decision-making of going on a journey.
Note, above-mentioned is only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that to the invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjust and substitute and can not break away from protection scope of the present invention.Therefore, although by above embodiment, the present invention is described in further detail, the present invention is not limited only to above embodiment, in the situation that do not break away from the present invention's design, can also comprise more other equivalent embodiment, and scope of the present invention is determined by appended claim scope.
Claims (16)
1. the method that the streetscape image is carried out dynamically strengthening, is characterized in that, described method comprises:
Obtain original streetscape image and transport information, wherein said original streetscape image is used for being presented at the terminal with display screen;
Described original streetscape image is carried out image analysis, identify the one or more traffic indication icons in described original streetscape image;
According to described transport information, play up rule according to predetermined icon described one or more traffic indication icons are played up; And
Described one or more traffic indication icons and described original streetscape image through playing up are synthesized, generate synthetic streetscape image.
2. the method that dynamically strengthens that the streetscape image is carried out according to claim 1, is characterized in that, describedly obtains original streetscape image and comprise: positional information and the directional information of obtaining described terminal; According to described positional information and described directional information, retrieval obtains original streetscape image in the streetscape image data base.
3. method of the streetscape image being carried out dynamic enhancing according to claim 1, is characterized in that, described streetscape image is actual streetscape image or virtual streetscape image.
4. method of the streetscape image being carried out dynamic enhancing according to claim 1, is characterized in that, described transport information comprises Real-time Traffic Information or historical traffic information.
5. method of the streetscape image being carried out dynamic enhancing according to claim 4, is characterized in that, described Real-time Traffic Information comprises: real-time road condition information or real-time parking parking space information.
6. method of the streetscape image being carried out dynamic enhancing according to claim 5, is characterized in that, described traffic indication icon comprises: road guideboard or parking.
7. the method that dynamically strengthens that the streetscape image is carried out according to claim 6, it is characterized in that, described according to described transport information, playing up regular described one or more traffic indication icons are played up according to predetermined icon comprises: in the situation that described traffic indication icon is the road guideboard, described real-time road condition information according to described Real-time Traffic Information comprises carries out painted processing to the road word in described road guideboard or road sign; In the situation that described traffic indication icon is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised play up on described parking in described original streetscape image or near.
8. the method that dynamically strengthens that the streetscape image is carried out according to claim 4, it is characterized in that, described according to described transport information, playing up rule according to predetermined icon plays up described one or more traffic indication icons and comprises: in the situation that described transport information comprises historical traffic information, with described historical traffic information play up on corresponding traffic indication icon or near.
9. the device that the streetscape image is carried out dynamically strengthening, is characterized in that, described device comprises:
Acquisition module is used for obtaining original streetscape image and transport information, and wherein said original streetscape image is used for being presented at the terminal with display screen;
The image analysis module, the described original streetscape image that is used for acquisition module is obtained carries out image analysis, identifies the one or more traffic indication icons in described original streetscape image;
Rendering module for the described transport information of obtaining according to acquisition module, is played up rule according to predetermined icon described one or more traffic indication icons is played up; And
Synthesis module is used for described one or more traffic indication icons and described original streetscape image through playing up are synthesized, and generates synthetic streetscape image.
10. the device that dynamically strengthens that the streetscape image is carried out according to claim 9, is characterized in that, described acquisition module further comprises be used to the azimuth information of the positional information of obtaining described terminal and directional information and obtains submodule; Described acquisition module obtains according to described azimuth information described positional information and the described directional information that submodule obtains, and retrieval obtains original streetscape image in the streetscape image data base.
11. the device that the streetscape image is carried out dynamic enhancing according to claim 9 is characterized in that described streetscape image is actual streetscape image or virtual streetscape image.
12. the device that the streetscape image is carried out dynamic enhancing according to claim 9 is characterized in that described transport information comprises Real-time Traffic Information or historical traffic information.
13. the device that the streetscape image is carried out dynamic enhancing according to claim 12 is characterized in that described Real-time Traffic Information comprises: real-time road condition information or real-time parking parking space information.
14. the device that the streetscape image is carried out dynamic enhancing according to claim 13 is characterized in that, described traffic indication icon comprises: road guideboard or parking.
15. the device that the streetscape image is carried out dynamic enhancing according to claim 14, it is characterized in that, described rendering module comprises: in the situation that described traffic indication icon is the road guideboard, described real-time road condition information according to described Real-time Traffic Information comprises carries out painted processing to the road word in described road guideboard or road sign; In the situation that described traffic indication icon is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised play up on described parking in described original streetscape image or near.
16. the device that the streetscape image is carried out dynamic enhancing according to claim 12, it is characterized in that, described rendering module comprises: in the situation that described transport information comprises historical traffic information, with described historical traffic information play up on corresponding traffic indication icon or near.
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