CN110853487A - Digital sand table system for urban design - Google Patents
Digital sand table system for urban design Download PDFInfo
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- CN110853487A CN110853487A CN201911164632.0A CN201911164632A CN110853487A CN 110853487 A CN110853487 A CN 110853487A CN 201911164632 A CN201911164632 A CN 201911164632A CN 110853487 A CN110853487 A CN 110853487A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/04—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of buildings
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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Abstract
The invention discloses a digital sand table system for city design, which comprises an image acquisition module, a digital sand table module and a digital sand table module, wherein the image acquisition module is used for acquiring images of a city at each corner through a camera erected at each corner in the city; the city splicing module is used for splicing according to the positions of corners of the city splicing module to obtain a panoramic image of the city; the map extraction module is used for extracting an electronic map of a city; the city design module is used for providing a design input port of a city designer; the scene generation module is used for searching the building and the dynamic scene in the scene database; and the city simulation module is used for displaying the building and the corresponding dynamic scene obtained in the scene generation module on a map of the sand table through a 3D technology. The invention simulates characters and scenes in real life on the sand table, so that the sand table does not appear monotonous when being displayed, the scenes of people living in the designed city are displayed from two aspects of static and dynamic, and the expectation of city design is more vivid.
Description
Technical Field
The invention relates to the technical field of sand tables, in particular to a digital sand table system for urban design.
Background
In the planning process, in order to have a previous expectation, a sand table is usually used to simulate the planned city and make a mini city with a miniature board.
However, in the current design, the used sand tables are static, the displayed content is monotonous, the architectural characteristics of the city can be reflected only from the static angle, the clear characteristics and the impression can not be provided from the dynamic angle of the human environment, and the feeling of being personally on the scene can not be provided for the designed city.
Disclosure of Invention
The present invention is directed to overcome the problems in the prior art, and provides a digital sand table system for city design, which simulates the people and scenes in real life on the sand table, so that the sand table does not appear monotonous when being displayed, and displays the scenes of people living in the designed city from two aspects of static and dynamic, so that the expectation of city design is more vivid.
To this end, the invention provides a digital sand table system for city design, comprising
And the image acquisition module is used for acquiring images of the city at all corners through the cameras erected at all corners in the city.
And the city splicing module is used for splicing the images of all corners of the city acquired in the image acquisition module according to the positions of the corners of the city to obtain a panoramic image of the city.
And the map extraction module is used for analyzing the panoramic image obtained in the city splicing module and extracting the electronic map of the city from the panoramic image.
And the city design module is used for providing design input ports of city designers and collecting the types of buildings designed by the city designers and the positions of the buildings.
And the scene generation module is used for searching the building and the dynamic scene consistent with the building type in the scene database according to the building type obtained by the city design module.
And the scene database is used for storing the dynamic scene and the building type corresponding to the dynamic scene.
And the city simulation module is used for displaying the building and the corresponding dynamic scene obtained in the scene generation module on a map of the sand table through a 3D technology.
Furthermore, the image acquisition module captures videos shot by cameras erected at all corners in the city at set time points to obtain images of the city at all corners.
Further, the city concatenation module includes:
and the position acquisition module acquires the positions of the cameras at all the corners through the positioning devices on the cameras at all the corners.
And the image arrangement module is used for carrying out array arrangement on the images of the corners corresponding to the cameras of all the corners according to the positions of the cameras of all the corners.
And the image splicing module is used for splicing the images at each corner arranged by the image arrangement module to obtain a panoramic image of the city.
Still further, the image stitching module includes:
and the image edge detection module is used for detecting the overlapped part of the edge of the image of each corner and the edge of the image of the adjacent corner.
And the image edge cutting module cuts the overlapped part detected by the image edge detection module from the image of the corner to obtain the cut image of the corner.
And the image generation module is used for splicing the image of each cut corner with the image of the adjacent corner to obtain the panoramic image of the city.
Further, the image edge detection module detects a portion where an edge of the image at each corner and an edge of the image at an adjacent corner thereof coincide by an edge pixel detection technique of the image.
Further, a design input port in the city design module detects the selection of the position of the designer on the electronic map and the selection of the building type.
Further, the selection of the building type provides a user's selection service by way of a drop-down option box.
Further, the city simulation module includes:
and the static projection module is used for projecting the buildings obtained in the scene generation module on a map of a sand table through 3D projection equipment.
And the dynamic putting module is used for projecting the dynamic scene corresponding to the building obtained in the scene generation module on a map of the sand table through the 3D demonstration equipment.
Still further, the 3D presentation device includes a 3D projection and a 3D stereo.
The digital sand table system for urban design provided by the invention has the following beneficial effects:
1. characters and scenes in real life are simulated on the sand table, so that the sand table does not appear monotonous when being displayed, the scenes of people living in a designed city are displayed from two aspects of static and dynamic, and the expectation of city design is more vivid;
2. the panoramic image of the city is obtained by using an image splicing technology, so that the original appearance of the city can be accurately restored when the panoramic image is simulated on the sand table, the display on the sand table is more vivid and lively, and a real scene is restored;
3. the position selection and the building type selection of the designer on the electronic map are detected, and meanwhile, the selection service of the user is provided in a pull-down option box mode, so that the design is realized by directly clicking a place needing to be designed on the map when the building type is designed, and then selecting in the option box, the building type to be designed can appear, and the workload of the designer is reduced in the conventional design.
Drawings
Fig. 1 is a schematic diagram of the connection relationship of the whole system of a digital sand table system for city design according to the present invention;
FIG. 2 is a schematic diagram of the connection relationship of the whole city splicing module of the digital sand table system for city design according to the present invention;
fig. 3 is a schematic diagram of the overall system connection relationship of the image stitching module of the digital sand table system for urban design according to the present invention.
Detailed Description
Several embodiments of the present invention will be described in detail below with reference to the drawings, but it should be understood that the scope of the present invention is not limited to the embodiments.
In the present application, the type and structure of components that are not specified are all the prior art known to those skilled in the art, and those skilled in the art can set the components according to the needs of the actual situation, and the embodiments of the present application are not specifically limited.
Example 1
The embodiment provides a digital sand table system for urban design, which is realized by basic necessary technical features so as to solve the problems in the technical background part of the application document.
Specifically, as shown in fig. 1, an embodiment of the present invention provides a digital sand table system for city design, which includes
And the image acquisition module is used for acquiring images of the city at all corners through the cameras erected at all corners in the city.
And the city splicing module is used for splicing the images of all corners of the city acquired in the image acquisition module according to the positions of the corners of the city to obtain a panoramic image of the city.
During splicing, video is spliced according to the positions of the cameras, and edge overlapping parts generated by splicing are eliminated by adopting an edge detection algorithm.
And the map extraction module is used for analyzing the panoramic image obtained in the city splicing module and extracting the electronic map of the city from the panoramic image.
In the technical characteristics, the urban panoramic image is decomposed to obtain a plurality of small images, characteristic values are extracted from an object image, buildings at various positions are judged according to the characteristic value combinations of the small images, and finally, an electronic map is generated according to the positions of the buildings.
And the city design module is used for providing design input ports of city designers and collecting the types of buildings designed by the city designers and the positions of the buildings.
The module receives an entry from the designer, i.e., the type of building the designer designed and the location where the building is located.
And the scene generation module is used for searching the building and the dynamic scene consistent with the building type in the scene database according to the building type obtained by the city design module.
The dynamic scene refers to a scene in which people around a building perform activities, for example, people around a shopping mall who wear leisure activities.
And the scene database is used for storing the dynamic scene and the building type corresponding to the dynamic scene.
And the city simulation module is used for displaying the building and the corresponding dynamic scene obtained in the scene generation module on a map of the sand table through a 3D technology.
Example 2
The present embodiment is based on example 1 and optimizes the implementation scheme in example 1, so that the present embodiment is more stable and better in performance during the operation process, but the present embodiment is not limited to the implementation manner described in the present embodiment.
Specifically, the image acquisition module captures videos shot by cameras erected at all corners in the city at set time points to obtain images of the city at all corners.
Specifically, the city splicing module, as shown in fig. 2, includes:
and the position acquisition module acquires the positions of the cameras at all the corners through the positioning devices on the cameras at all the corners.
And the image arrangement module is used for carrying out array arrangement on the images of the corners corresponding to the cameras of all the corners according to the positions of the cameras of all the corners.
And the image splicing module is used for splicing the images at each corner arranged by the image arrangement module to obtain a panoramic image of the city.
Specifically, an image stitching algorithm is used for stitching the images at each corner arranged by the image arrangement module.
More specifically, as shown in fig. 3, the image stitching module includes:
and the image edge detection module is used for detecting the overlapped part of the edge of the image of each corner and the edge of the image of the adjacent corner.
Specifically, an edge detection sub-algorithm is used.
And the image edge cutting module cuts the overlapped part detected by the image edge detection module from the image of the corner to obtain the cut image of the corner.
Specifically, an edge elimination algorithm is used.
And the image generation module is used for splicing the image of each cut corner with the image of the adjacent corner to obtain the panoramic image of the city.
More specifically, the image edge detection module detects a portion where an edge of an image at each corner and an edge of an image at an adjacent corner thereof coincide by an edge pixel detection technique of the image.
Specifically, the design input port in the city design module detects the selection of the position and the building type of the designer on the electronic map.
More specifically, the selection of the building type provides a selection service for the user by way of a drop-down option box.
Specifically, the city simulation module includes:
and the static projection module is used for projecting the buildings obtained in the scene generation module on a map of a sand table through 3D projection equipment.
And the dynamic putting module is used for projecting the dynamic scene corresponding to the building obtained in the scene generation module on a map of the sand table through the 3D demonstration equipment.
More specifically, the 3D presentation device includes a 3D projection and a 3D stereo.
While the 3D projection is projected, the 3D stereo plays the sound corresponding to the 3D projection.
In summary, the present invention discloses a digital sand table system for city design, which includes an image acquisition module for acquiring images of a city at each corner through a camera erected at each corner in the city. And the city splicing module is used for splicing the images of all corners of the city acquired in the image acquisition module according to the positions of the corners of the city to obtain a panoramic image of the city. And the map extraction module is used for analyzing the panoramic image obtained in the city splicing module and extracting the electronic map of the city from the panoramic image. And the city design module is used for providing design input ports of city designers and collecting the types of buildings designed by the city designers and the positions of the buildings. The scene generation module is used for searching a building and a dynamic scene consistent with the building type in the scene database according to the building type obtained by the city design module; the scene database is used for storing the dynamic scene and the building type corresponding to the dynamic scene; and the city simulation module is used for displaying the building and the corresponding dynamic scene obtained in the scene generation module on a map of the sand table through a 3D technology. The invention simulates characters and scenes in real life on the sand table, so that the sand table does not appear monotonous when being displayed, the scenes of people living in the designed city are displayed from two aspects of static and dynamic, and the expectation of city design is more vivid.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (9)
1. A digital sand table system for city design is characterized by comprising
The image acquisition module is used for acquiring images of the city at all corners through cameras erected at all corners in the city;
the city splicing module is used for splicing the images of all corners of the city acquired in the image acquisition module according to the positions of the corners of the city to obtain a panoramic image of the city;
the map extraction module is used for analyzing the panoramic image obtained in the city splicing module and extracting an electronic map of the city from the panoramic image;
the city design module is used for providing a design input port of a city designer and collecting the type of a building designed by the city designer and the position of the building;
the scene generation module is used for searching a building and a dynamic scene consistent with the building type in the scene database according to the building type obtained by the city design module;
the scene database is used for storing the dynamic scene and the building type corresponding to the dynamic scene;
and the city simulation module is used for displaying the building and the corresponding dynamic scene obtained in the scene generation module on a map of the sand table through a 3D technology.
2. The digital sand table system for city design according to claim 1, wherein the image acquisition module obtains images of the city at each corner by capturing videos taken by cameras installed at each corner of the city at set time points.
3. The digital sand table system for city design according to claim 1, wherein said city stitching module comprises:
the position acquisition module is used for acquiring the positions of the cameras at all the corners through the positioning devices on the cameras at all the corners;
the image arrangement module is used for carrying out array arrangement on the images of the corners corresponding to the cameras of all the corners according to the positions of the cameras of all the corners;
and the image splicing module is used for splicing the images at each corner arranged by the image arrangement module to obtain a panoramic image of the city.
4. The digital sand table system for urban design according to claim 3, wherein said image stitching module comprises:
the image edge detection module is used for detecting the overlapped part of the edge of the image of each corner and the edge of the image of the adjacent corner;
the image edge cutting module cuts the overlapped part detected in the image edge detection module from the image of the corner to obtain the cut image of the corner;
and the image generation module is used for splicing the image of each cut corner with the image of the adjacent corner to obtain the panoramic image of the city.
5. The digital sand table system for urban design according to claim 4, wherein said image edge detection module detects the edge of the image at each corner and the coincident part of the edge of the image at the adjacent corner by the edge pixel detection technology of the image.
6. The digital sand table system for city design according to claim 1, wherein the design input port in the city design module detects the selection of the location and the building type of the designer on the electronic map.
7. The digital sand table system for city design according to claim 6, wherein the selection of the building type provides the user's selection service by means of a drop-down option box.
8. The digital sand table system for city design according to claim 1, wherein said city simulation module comprises:
the static projection module is used for projecting the buildings obtained in the scene generation module on a map of a sand table through 3D projection equipment;
and the dynamic putting module is used for projecting the dynamic scene corresponding to the building obtained in the scene generation module on a map of the sand table through the 3D demonstration equipment.
9. A digital sand table system for urban design according to claim 8, wherein said 3D presentation device comprises 3D projection and 3D stereo.
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Application publication date: 20200228 |