CN105208372A - 3D landscape generation system and method with interaction measurable function and reality sense - Google Patents
3D landscape generation system and method with interaction measurable function and reality sense Download PDFInfo
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- CN105208372A CN105208372A CN201510663819.0A CN201510663819A CN105208372A CN 105208372 A CN105208372 A CN 105208372A CN 201510663819 A CN201510663819 A CN 201510663819A CN 105208372 A CN105208372 A CN 105208372A
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Abstract
The invention provides a 3D landscape generation system and method with the interaction measurable function and reality sense. The system is composed of a data collection module 3, a synchronous control module 4, a data processing module 5, a measurable panoramic video control module 6, a display module 7 and the like jointly. The method comprises the following steps of obtaining 3D video stream data, GPS data, INS data and 3D GIS data obtained by a plurality of video cameras through photographing at different angles; judging whether the time of a GPS and the time of an INS are synchronous or not, whether the position of the GPS and the position of a GIS are synchronous or not and whether all videos are synchronous or not; completing video data and space position information analysis, compression, analysis extraction and storage; conducting data calibration on all the data, conducting unified processing on the video data, the GPS data, the GIS data and the INS data for conducting panoramic video splicing, and generating a 3D panoramic video with space information; displaying the 3D landscape generation system through the display module.
Description
Technical field
The invention belongs to technical field of image processing, specifically a kind of have mutual, can the 3D view generation system of measuring function and the sense of reality and method thereof.
Background technology
The research of Values urban three dimensional landscape in recent years obtains develop rapidly, and many universities, company all start correlation theory and the application work of being devoted to three-dimensional sight structure energetically.
The geographical environment that virtual reality technology let us can emulate with multi-angle observation, but we still feel confused, because all these have just accomplished " true to nature ", the realistic space that we still can't see in GIS " truly ".
Geographical video is the new ideas proposed in recent years, is by geographical spatial data and the organic integration of video image data, the Hypermedia information management and application service providing locus to combine with video image.Based on the development of multimedia, hypermedia, GIS, GPS and network technology, VideoGIS be gather, editor, management, classification and applied geography video information system.VideoGIS not only extends multimedia GIS, and has enriched the intension of video, provides geographical augmented reality, is the novelty leap of GIS technology, has great application potential in fields such as linearly implementing management, Geography Education, video navigation, popular life.
Although the structure research work of three-dimensional sight is in development, it still needs to be improved greatly.Although such as existing 3D landscape system can solve three-dimensional space model structure and the three-dimensional visualization problem of view preferably, it does not still possess can measurement capability, thus can not meet higher level needs.And most of 3D landscape system construction cost is expensive, greatly limit the universal of 3D landscape system.
Therefore the technological means of application of advanced is needed to improve acquisition efficiency and the positional information accurately of interactive three-dimensional panoramic view data in actual applications in a hurry, shorten the cycle of Data Update, improve the quality of data, the consistency solved under the actual situation hybird environment fallen behind presents the research and apply problem of problem and the GIS based on three-dimensional live video data, thus provide a kind of newly more press close to daily life, low cost, there is the three-dimensional sight generation system that can measure computing function and authentic true feeling alternately.
Summary of the invention
The present invention proposes a kind of have mutual, can the 3D view generation system of measuring function and the sense of reality and method thereof.Mutual mainly for three dimensions, can measure with analytical applications great demand under, propose a kind of brand-new settling mode, in the 3D view generation system of high realism, namely add measurement and interactive function.
The present invention proposes a kind of have mutual, can the 3D view generation system of measuring function and the sense of reality, comprising: data acquisition module, carry out integral collecting for stereoscopic video flow data, gps data, INS data, GIS data; Synchronization control module, for each road Video sync control, the control of GPS and INS time synchronized, GPS and GIS position synchronization control; Data processing module, for data calibration, carries out unified coordinate transform to each circuit-switched data, carries out preliminary treatment and extract video feature information to video; Scalable panoramic video control module, for carrying out data fusion and integrated to video, GPS, INS, GIS, generates the three-dimensional panoramic video image with spatial information; Display module, for showing the Seamless integration-of interactive three-dimensional panoramic video and three-dimensional artificial map.
The present invention proposes a kind of have mutual, can the 3D view generation method of measuring function and the sense of reality, comprising: obtain three-dimensional video-frequency flow data, gps data, INS data and 3DGIS data that multiple video camera is taken different angles; Judge that whether GPS and the INS time is synchronous, whether whether synchronous and each road, GPS and GIS position video is synchronous; Complete the parsing of video data and spatial positional information, compression, the work of analysis pick up and store; Data calibration is carried out to each circuit-switched data, by video data, gps data, GIS data, the unified process of INS data, carries out panoramic video splicing, generate the three-dimensional panoramic video image with spatial information; By display module show have mutual, can the 3D view generation system of measuring function and the sense of reality.
Of the present invention a kind of have mutual, the 3D view generation system of measuring function and the sense of reality and method can have following beneficial effect: 1. the present invention can arrive efficiently, in real time, dynamically generation there is the three-dimensional panoramic video that elaborate position identifies.2. the present invention realize three-dimensional panoramic video frame with the Auto-matching of the 3DGIS system of latitude and longitude coordinates and Seamless integration-and have measure calculate, interactive function.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention;
Fig. 2 is system module unit details drawing of the present invention;
Fig. 3 is method flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, system configuration 1 of the present invention by data acquisition module 3, synchronization control module 4, data processing module 5, panoramic video control module 6 can be measured, display module 7 forms jointly.
Fig. 2 is system module unit details drawing of the present invention, and wherein this data acquisition module 3 is made up of CCD collecting unit, GPS unit and INS unit, is connected by ccd video camera by 1394/USB interface, GPS with INS module by RS232 with computer.Ccd video camera is made up of the video camera that 6 or 8 layout structures are fixing, by 1394/USB interface digital signal transmission in computer.GPS by RS232 interface by the information transmission such as speed, position and time that receives in computer, GIS data is also connected with computer by the corresponding interface simultaneously.
To be received the data of each unit by the corresponding interface at computer after, resolved and the extraction of video feature information by gps data, judge that whether GPS and the INS time is synchronous, whether the whether synchronous and each frame of video in GPS and GIS position is synchronous, then determine whether produce synchronous control signal, carried out the Synchronization Control of each data by synchronization control module 4.
This data processing module 5 comprises data calibration unit, carries out unified coordinate transform and carry out preliminary treatment to video to each circuit-switched data.As generalized information system must can receive the gps data and then integrated with GPS that GPS sends, and the data that GPS receives are based on WGS-84 coordinate system, the coordinate system of the domestic map datum of China is also all different, namely to carry out Coordinate Conversion, as by projective transformation longitude and latitude is converted to GIS data coordinate in the reference system that adopts.
This can measure panoramic video control module 6 and comprise panoramic video concatenation unit, data fusion unit.This panoramic video concatenation unit carries out panorama automatic Mosaic based on the automatic selection of optimal technology of image characteristic point, video matching frame, image mosaic transformation parameter and the spatial coordinated information of integration characteristics point, generates in real time dynamically and have the three-dimensional panoramic video of elaborate position mark; This data fusion unit carries out unified process to GPS, INS, GIS and video data, as on each data fusion point, if GPS information and INS information with time tag consistent, then directly carry out data fusion; If the coupling on not free, carries out trigging control again by computer interface.After the unified process of each data, utilize spatial coordinate or latitude and longitude coordinates to map data, then pass to the three-dimensional panoramic video that panoramic mosaic unit generates tool spatial information.
Fig. 3 be have in the present invention one preferred embodiments mutual, the 3D view of measuring function and the sense of reality can generate method flow diagram, wherein the method application with above-mentioned have mutual, can in the 3D view generation system of measuring function and the sense of reality, the method comprises the steps:
Step S301: obtain three-dimensional video-frequency flow data, gps data, INS data and 3DGIS data that multiple video camera is taken different angles;
Step S302: judge that whether GPS and the INS time is synchronous, whether whether synchronous and each road, GPS and GIS position video is synchronous;
Step S303: complete the parsing of video data and spatial positional information, compression, the work of analysis pick up and store;
Step S304: carry out data calibration to each circuit-switched data, by video data, gps data, GIS data, the unified process of INS data, carries out panoramic video splicing, generates the three-dimensional panoramic video image with spatial information;
Step S305: by display module show have mutual, can the 3D view generation system of measuring function and the sense of reality;
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent to substitute and improvement etc., be all included within protection scope of the present invention.
Claims (7)
1. having alternately can the 3D view generation system of measuring function and the sense of reality, it is characterized in that, comprising:
Data acquisition module (3), is connected with synchronization control module (4), carries out integral collecting for stereoscopic video flow data, gps data, INS data, GIS data;
Synchronization control module (4), is connected with data acquisition module (3), for each road Video sync control, the control of GPS and INS time synchronized, GPS and GIS position synchronization control;
Data processing module (5), is connected with synchronization control module (4), for data calibration, carries out unified coordinate transform to each circuit-switched data, carries out preliminary treatment and extract video feature information to video;
Scalable panoramic video control module (6), is connected with data processing module (5), for carrying out data fusion and integrated to video, GPS, INS, GIS, generates the three-dimensional panoramic video image with spatial information;
Display module (7), is connected with scalable panoramic video control module (6), for showing the Seamless integration-of interactive three-dimensional panoramic video and three-dimensional artificial map.
2. having as claimed in claim 1 alternately can the 3D view generation system of measuring function and the sense of reality, it is characterized in that, described data acquisition module (3) is made up of CCD video acquisition unit, GPS unit and INS unit, and transmits GIS data by the corresponding interface.
3. having as claimed in claim 1 alternately can the 3D view generation system of measuring function and the sense of reality, it is characterized in that, described synchronization control module (4) by compare in GPS and INS data with temporal information whether mate and determine that whether two-way information synchronous; The mapping relations decided between the two whether are mated by the positional information comparing GPS and GIS.
4. having as claimed in claim 1 alternately can the 3D view generation system of measuring function and the sense of reality, and it is characterized in that, described scalable panoramic video control module (6) comprising:
Panoramic video concatenation unit, for the splicing of panoramic video;
Data fusion unit, for unifying process to GPS, INS, GIS and video data, merges video data and spatial data, utilizes stereoscopic three-dimensional coordinate to map to generate the three-dimensional panoramic video image with spatial information to data.
5. having as claimed in claim 3 alternately can the 3D view generation system of measuring function and the sense of reality, it is characterized in that, described synchronization control module (4), by judging that whether each road frame of video is synchronous, whether GPS and the INS time is synchronous, whether GPS and GIS position is synchronous, produces a synchronous control signal with the work of each unit of control data acquisition module.
6. one kind have mutual, can the 3D view generation method of measuring function and the sense of reality, it is characterized in that, comprise step:
Stereoscopic video flow data, gps data, INS data, GIS data carry out integral collecting;
To each road Video sync control, the control of GPS and INS time synchronized, GPS and GIS position synchronization control;
Data calibration is carried out to each image data, unified coordinate transform is carried out to each circuit-switched data, preliminary treatment is carried out to video and extracts video feature information;
Data fusion and integrated is carried out to video, GPS, INS, GIS, completes panoramic video splicing, generate the three-dimensional panoramic video image with spatial information;
The Seamless integration-of interactive three-dimensional panoramic video and three-dimensional artificial map is shown.
7. having as claimed in claim 6 alternately can the 3D view generation method of measuring function and the sense of reality, it is characterized in that, described Synchronization Control step is resolved by gps data and video feature information extraction, determines whether each data syn-chronization and produce corresponding control signal.
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| CN108961790A (en) * | 2018-07-24 | 2018-12-07 | 河北德冠隆电子科技有限公司 | Bad weather pre-warning management system and method based on four-dimensional outdoor scene traffic simulation |
| CN114386497A (en) * | 2021-12-31 | 2022-04-22 | 核工业北京地质研究院 | Aviation hyperspectral and gamma spectrum data fusion method oriented to uranium mineralization structure |
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Application publication date: 20151230 |