CN103150759B - A kind of method and apparatus street view image being carried out to Dynamic contrast enhance - Google Patents
A kind of method and apparatus street view image being carried out to Dynamic contrast enhance Download PDFInfo
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Abstract
The invention discloses a kind of method and apparatus street view image being carried out to Dynamic contrast enhance.Described method comprises: obtain original street view image and transport information, wherein said original street view image has the terminal of display screen for being presented at; Image analysis is carried out to described original street view image, identifies the one or more traffic indication map marks in described original street view image; According to described transport information, play up rule according to predetermined icon and described one or more traffic indication map mark is played up; And the described one or more traffic indication map mark through playing up and described original street view image are synthesized, generate synthesis street view image.The present invention, by dynamically increasing content information to street view image, contributes to user and makes intuitively, efficiently and relevant decision-making of going on a journey.
Description
Technical field
The present invention relates to augmented reality field, particularly relate to a kind of method and apparatus street view image being carried out to Dynamic contrast enhance.
Background technology
Augmented reality (AR) technology is the new technology grown up on the basis of virtual reality, is also referred to as mixed reality technology.This technology is that the information provided by computer system carrys out adding users to real world perception, by virtual Information application to real world, and by the dummy object of Practical computer teaching, scene or system prompt information superposition in real scene, thus realize the enhancing to reality scene.In recent years, augmented reality started develop rapidly along with the growth of computing power, was widely used in the fields such as streetscape digital map navigation, medical treatment, amusement, game.
How augmented reality being applied to streetscape digital map navigation is one of focus of Present navigation area research.At present, Google's streetscape map can draw out track in its street view image, provides depth information; Some 3D street view image company also can provide depth information in its street view image.But all there is following problem in above existing streetscape Cartographic Technique: fail transport information and street view image dynamically, effectively to combine.
Summary of the invention
The object of the invention is to method and apparatus street view image being carried out to Dynamic contrast enhance by a kind of improvement, solve the problem that above background technology part is mentioned.
For reaching this object, the present invention by the following technical solutions:
Street view image is carried out to a method for Dynamic contrast enhance, described method comprises:
Obtain original street view image and transport information, wherein said original street view image has the terminal of display screen for being presented at;
Image analysis is carried out to described original street view image, identifies the one or more traffic indication map marks in described original street view image;
According to described transport information, play up rule according to predetermined icon and described one or more traffic indication map mark is played up; And
Described one or more traffic indication map mark through playing up and described original street view image being synthesized, generating synthesis street view image.
Further, described acquisition original street view image comprises: the positional information and the directional information that obtain described terminal; According to described positional information and described directional information, in street view image database, retrieval obtains original street view image.
Further, described street view image is actual street view image or virtual street view 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 map mark comprises: road guideboard or parking.
Further, described according to described transport information, play up rule according to predetermined icon to play up described one or more traffic indication map mark and comprise: when described traffic indication map mark is road guideboard, according to the described real-time road condition information that described Real-time Traffic Information comprises, coloring treatment is carried out to the Road letterings in described road guideboard or road sign; When described traffic indication map mark is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised to play up on the described parking in described original street view image or near.
Further, described according to described transport information, play up rule according to predetermined icon to play up described one or more traffic indication map mark and comprise: when described transport information comprises historical traffic information, described historical traffic information to be played up on corresponding traffic indication map mark or near.
Accordingly, the invention allows for a kind of device street view image being carried out to Dynamic contrast enhance, described device comprises:
Acquisition module, for obtaining original street view image and transport information, wherein said original street view image has the terminal of display screen for being presented at;
Image analysis module, carries out image analysis for the described original street view image obtained acquisition module, identifies the one or more traffic indication map marks in described original street view image;
Rendering module, for the described transport information obtained according to acquisition module, plays up rule according to predetermined icon and plays up described one or more traffic indication map mark; And
Synthesis module, for the described one or more traffic indication map mark through playing up and described original street view image being synthesized, generates synthesis street view image.
What the present invention proposed has following features to the method and apparatus that street view image carries out Dynamic contrast enhance: by means of augmented reality, by playing up traffic indication map mark corresponding with these information in street view image according to Real-time Traffic Information or historical traffic information, effectively the traffic indication map mark through playing up and original street view image are synthesized together, thus dynamically add content information to street view image, finally contribute to user and make intuitively, efficiently and relevant decision-making of going on a journey.
Accompanying drawing explanation
Fig. 1 is realization flow figure street view image being carried out to the method for Dynamic contrast enhance according to a first embodiment of the present invention;
Fig. 2 a is the schematic diagram of a width original street view image;
Fig. 2 b plays up the street view image schematic diagram after process according to the preferred embodiment for the present invention to Fig. 2 a;
Fig. 3 is realization flow figure street view image being carried out to the method for Dynamic contrast enhance according to a second embodiment of the present invention;
Fig. 4 is structural representation street view image being carried out to the device of Dynamic contrast enhance according to a third embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only 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 is the realization flow 100 street view image being carried out to the method for Dynamic contrast enhance according to a first embodiment of the present invention, and details are as follows for this realization flow 100:
In a step 101, original street view image and Real-time Traffic Information is obtained.
In a first embodiment, the terminal with display screen shows described original street view image.Described terminal directly from the described original street view image of local reading pre-stored (such as in advance buffer memory or built-in in advance), or can remotely can read the described original street view image at other position (such as server) place by cable network or wireless network.
Street view image described in the present embodiment can be utilize apparatus for making a video recording to take the actual street view image obtained or the virtual street view image utilizing virtual reality technology to generate.
In the present embodiment, can broadcast by means of traffic platform, wire/radio network or other technological means obtain Real-time Traffic Information.
In a step 102, image analysis is carried out to original street view image.
In the present embodiment, image analysis is carried out to obtained original street view image, and utilize existing image icon recognition methods to identify the one or more traffic indication map marks in described original street view image.Wherein, described image icon recognition methods includes but not limited to: utilize boundary direction and Hu not bending moment group and the deforming template icon-based programming method of mating respectively; Obtain shape facility by pixel in statistics icon in the distribution situation of distance areas thus carry out the region direction histogram method that identifies; Or based on the icon-based programming method of the characteristics of image such as Fourier descriptor, Zernike square and Zernike pseudo-matrix.
In the present embodiment, described traffic indication map mark includes but not limited to: road guideboard, parking or place signboard (the management place signboard of such as refuelling station's signboard and so on).
In step 103, one or more traffic indication map mark is played up.
In the present embodiment, according to Real-time Traffic Information, play up rule according to predetermined icon and described one or more traffic indication map mark is played up.Wherein, described icon play up rule be described for playing up mode to various types of traffic indication map target and define.As the preferred mode of one, described icon is played up rule and is kept at terminal in the form of an xml-file or with on the server of terminal association.
At step 104, synthesis street view image is generated.
In the present embodiment, the one or more traffic indication map mark through playing up and original street view image being synthesized, generating synthesis street view image.In described synthesis street view image, the original traffic instruction icon in described original street view image directly can be replaced by corresponding, through playing up traffic indication map mark.
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, when one of described traffic indication map mark identified in a step 102 is road guideboard, according to the described real-time road condition information that described Real-time Traffic Information comprises, coloring treatment is carried out to the Road letterings in described road guideboard or road sign (such as representing the straight line/segment of curve symbol of road), such as, the Road letterings of the jam road in described road guideboard or road sign are played up redness, the Road letterings of the passing road at a slow speed in described road guideboard or road sign are played up yellow, the Road letterings of the unimpeded road in described road guideboard or road sign are played up green, when one of described traffic indication map mark identified in a step 102 is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised to play up on the described parking in described original street view image or near.Exemplarily, Fig. 2 a shows the schematic diagram of a width original street view image; And Fig. 2 b shows and plays up the street view image schematic diagram after process according to above-mentioned preferred implementation to Fig. 2 a.In figure 2b, carried out playing up coloring treatment to the road sign (being depicted as line segment in fig. 2 a) in the road guideboard in Fig. 2 a upper left corner according to real-time road condition information.
In a preferred implementation of the present embodiment, obtaining original street view image can carry out as follows: the positional information and the directional information that first obtain terminal by means of locating device (such as satellite positioning device and gyroscope etc.); Then, according to described positional information and described directional information, in street view image database, retrieval obtains original street view image.
Figure 3 illustrates the second embodiment of the present invention.
Fig. 3 is the realization flow 300 street view image being carried out to the method for Dynamic contrast enhance according to a second embodiment of the present invention, and details are as follows for this realization flow 300:
In step 301, original street view image and historical traffic information is obtained.
In a second embodiment, the terminal with display screen shows described original street view image.Described terminal directly from the described original street view image of local reading pre-stored (such as in advance buffer memory or built-in in advance), or can remotely can read the described original street view image at other position (such as server) place by cable network or wireless network.
Can broadcast by means of traffic platform in the present embodiment, wire/radio network or other technological means obtain historical traffic information.Wherein, described historical traffic information, for showing the past statistical information and/or evolutive scene information etc. of traffic, can be presented by the intuitive manner of histogram and so on.
In step 302, image analysis is carried out to original street view image.
In the present embodiment, image analysis is carried out to obtained original street view image, utilize existing image icon recognition methods to identify the one or more traffic indication map marks in described original street view image.
In step 303, one or more traffic indication map mark is played up.
In the present embodiment, according to historical traffic information, play up rule according to predetermined icon to play up described one or more traffic indication map mark, such as, described historical traffic information (such as add up obtain period information of blocking up) to be played up on the traffic indication map mark (such as road guideboard) corresponding to this transport information or near.Wherein, described icon is played up rule and is described for playing up mode to various types of traffic indication map target and defines.
In step 304, synthesis street view image is generated.
In the present embodiment, the one or more traffic indication map mark through playing up and original street view image being synthesized, generating synthesis street view image.
As can be seen from Figure 3, with the first embodiment unlike, what step 301 in a second embodiment obtained is historical traffic information but not Real-time Traffic Information.The benefit obtaining historical traffic information is, can present traffic state data in the past or its statistical data analysis, thus help the user of described terminal to carry out analysis and decision (such as analyze and determine traffic path) on the relevant position of street view image.
Fig. 4 shows the third embodiment of the present invention.
Fig. 4 is structural representation street view image being carried out to the device of Dynamic contrast enhance according to a third embodiment of the present invention.As shown in Figure 4, according to the present embodiment, acquisition module 401, image analysis module 402, rendering module 403 and synthesis module 404 are comprised to the device 400 that street view image carries out Dynamic contrast enhance.Wherein, described acquisition module 401 is for obtaining original street view image in the terminal having display screen to be shown and transport information; Image analysis module 402 carries out image analysis for the described original street view image obtained acquisition module 401, identifies the one or more traffic indication map marks in described original street view image; The described transport information of rendering module 403 for obtaining according to acquisition module 401, plays up rule according to predetermined icon and plays up described one or more traffic indication map mark; And synthesis module 404 is for synthesizing the described one or more traffic indication map mark through playing up and described original street view image, generate synthesis street view image.
In the present embodiment, described acquisition module 401 directly from the described original street view image of local reading pre-stored (such as in advance buffer memory or built-in in advance), or can remotely can read the described original street view image at other position (such as server) place by cable network or wireless network.Further, described acquisition module 401 can be broadcasted by means of traffic platform, wire/radio network or other technological means obtain Real-time Traffic Information.
In the present embodiment, the original street view image that described image analysis module 402 pairs of acquisition modules 401 obtain carries out image analysis, utilizes existing image icon recognition methods to identify the one or more traffic indication map marks in described original street view image.Wherein, described image icon recognition methods includes but not limited to: utilize boundary direction and Hu not bending moment group and the deforming template icon-based programming method of mating respectively; Obtain shape facility by pixel in statistics icon in the distribution situation of distance areas thus carry out the region direction histogram method that identifies; Or based on the icon-based programming method of the characteristics of image such as Fourier descriptor, Zernike square and Zernike pseudo-matrix.
In the present embodiment, described rendering module 403 can according to Real-time Traffic Information, according to predetermined icon play up rule described one or more traffic indication map marks that described image analysis module 402 identifies are played up.Wherein, described icon play up rule be described for playing up mode to various types of traffic indication map target and define.
In the present embodiment, the one or more traffic indication map mark played up through rendering module 403 and original street view image synthesize by described synthesis module 404, generate synthesis street view image.In described synthesis street view image, the original traffic instruction icon in described original street view image directly can be replaced by corresponding, through playing up traffic indication map mark.
In a preferred implementation of the present embodiment, the azimuth information that described acquisition module 401 comprises positional information for obtaining described terminal and directional information further obtains submodule (not shown); The described positional information that described acquisition module 401 can obtain according to described azimuth information acquisition submodule and described directional information, in street view image database, retrieval obtains original street view image.
Terminal described in the present invention or device refer to desk-top computer, laptop computer, palm PC, personal digital assistant (PDA), hand-held electronic treating apparatus, smart mobile phone in conjunction with PDA and cell-phone function, guider, iPod, iPod/MP3 player or can process information any other electronic installation of displays image information automatically.Above-mentioned terminal or device can also be configured to be connected to database or another device by wired or wireless further.
Technical solutions according to the invention can by means of augmented reality, by playing up traffic indication map mark corresponding with these information in street view image according to Real-time Traffic Information or historical traffic information, effectively the traffic indication map mark through playing up and original street view image are synthesized together, thus dynamically add content information to street view image, finally contribute to user and make intuitively, efficiently and relevant decision-making of going on a journey.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (16)
1. street view image is carried out to a method for Dynamic contrast enhance, it is characterized in that, described method comprises:
Obtain original street view image and transport information, wherein said original street view image has the terminal of display screen for being presented at, described transport information comprises: traffic or parking position information of park or traffic state data;
Image analysis is carried out to described original street view image, identifies the one or more traffic indication map marks in described original street view image;
According to described transport information, play up rule according to predetermined icon and described one or more traffic indication map mark is played up; And
Described one or more traffic indication map mark through playing up and described original street view image being synthesized, generating synthesis street view image.
2. method of street view image being carried out to Dynamic contrast enhance according to claim 1, is characterized in that, described acquisition original street view image comprises: the positional information and the directional information that obtain described terminal; According to described positional information and described directional information, in street view image database, retrieval obtains original street view image.
3. method of street view image being carried out to Dynamic contrast enhance according to claim 1, is characterized in that, described street view image is actual street view image or virtual street view image.
4. method of street view image being carried out to Dynamic contrast enhance according to claim 1, is characterized in that, described transport information comprises Real-time Traffic Information or historical traffic information.
5. method of street view image being carried out to Dynamic contrast enhance 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 street view image being carried out to Dynamic contrast enhance according to claim 5, is characterized in that, described traffic indication map mark comprises: road guideboard or parking.
7. method of street view image being carried out to Dynamic contrast enhance according to claim 6, it is characterized in that, described according to described transport information, play up rule according to predetermined icon to play up described one or more traffic indication map mark and comprise: when described traffic indication map mark is road guideboard, according to the described real-time road condition information that described Real-time Traffic Information comprises, coloring treatment is carried out to the Road letterings in described road guideboard or road sign; When described traffic indication map mark is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised to play up on the described parking in described original street view image or near.
8. method of street view image being carried out to Dynamic contrast enhance according to claim 4, it is characterized in that, described according to described transport information, play up rule according to predetermined icon to play up described one or more traffic indication map mark and comprise: when described transport information comprises historical traffic information, described historical traffic information to be played up on corresponding traffic indication map mark or near.
9. street view image is carried out to a device for Dynamic contrast enhance, it is characterized in that, described device comprises:
Acquisition module, for obtaining original street view image and transport information, wherein said original street view image has the terminal of display screen for being presented at, described transport information comprises: traffic or parking position information of park or traffic state data;
Image analysis module, carries out image analysis for the described original street view image obtained acquisition module, identifies the one or more traffic indication map marks in described original street view image;
Rendering module, for the described transport information obtained according to acquisition module, plays up rule according to predetermined icon and plays up described one or more traffic indication map mark; And
Synthesis module, for the described one or more traffic indication map mark through playing up and described original street view image being synthesized, generates synthesis street view image.
10. device street view image being carried out to Dynamic contrast enhance according to claim 9, is characterized in that, the azimuth information that described acquisition module comprises positional information for obtaining described terminal and directional information further obtains submodule; Described acquisition module obtains according to described azimuth information the described positional information and described directional information that submodule obtains, and in street view image database, retrieval obtains original street view image.
11. devices street view image being carried out to Dynamic contrast enhance according to claim 9, is characterized in that, described street view image is actual street view image or virtual street view image.
12. devices street view image being carried out to Dynamic contrast enhance according to claim 9, it is characterized in that, described transport information comprises Real-time Traffic Information or historical traffic information.
13. devices street view image being carried out to Dynamic contrast enhance according to claim 12, it is characterized in that, described Real-time Traffic Information comprises: real-time road condition information or real-time parking parking space information.
14. devices street view image being carried out to Dynamic contrast enhance according to claim 13, is characterized in that, described traffic indication map mark comprises: road guideboard or parking.
15. devices street view image being carried out to Dynamic contrast enhance according to claim 14, it is characterized in that, described rendering module comprises: when described traffic indication map mark is road guideboard, according to the described real-time road condition information that described Real-time Traffic Information comprises, coloring treatment is carried out to the Road letterings in described road guideboard or road sign; When described traffic indication map mark is parking, the described real-time parking parking space information that described Real-time Traffic Information is comprised to play up on the described parking in described original street view image or near.
16. devices street view image being carried out to Dynamic contrast enhance according to claim 12, it is characterized in that, described rendering module comprises: when described transport information comprises historical traffic information, described historical traffic information to be played up on corresponding traffic indication map mark or near.
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