JP3641750B2 - Map route information management system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a personal computer by associating map data with moving image information of a route landscape photographed by a photographing device while actually running a map route based on GPS information collected by the car navigation system and information of the car navigation system itself. This is related to an information management system such as a map route that synchronously displays a position display marker on a raster map displayed on the display of the map, a video of a route landscape, and an elevation display marker on an elevation profile. Concerning information management system such as map route suitable for managing information on map, video of its route landscape, and elevation profile on the desk at the time of grasping, disaster prevention measures, response in case of disaster etc. It is.
[0002]
[Prior art]
In the prior art, for example, moving image information acquisition means for acquiring moving image information having a moving image of a road and GPS information indicating a position at the time of shooting, and the acquired moving image is converted into digital image data. The moving image is divided into frame units, digital moving image information generating means for generating digital moving image information to which GPS information is added for each divided frame, and a map for acquiring map data corresponding to the road where the moving image is captured Corresponding to the moving image of each frame based on the data acquisition means, the road division means for dividing the road of the acquired map data into a plurality of line segments at predetermined length intervals, and the GPS information and the information on the divided roads And an index for linking a moving image of each frame on the map data based on the detected approximate point. There are maps video information link system comprising a index data generation means for recording and generates over data (e.g., Patent Document 1).
[0003]
Also, GPS is not used, and the distance and time from the starting point to each measurement position are recorded based on means for plotting and scanning the measurement position on a white map, converting it to a raster map, and the white map recording the measurement position. While taking a video, digitally converting the captured video, dividing it into arbitrary frames and recording it, and linking each measurement position coordinate on the white map with the distance and elapsed time from the starting point to each measurement position coordinate A means to create a table, a means to set a mark that moves in conjunction with a moving image on a raster map route, etc., and arbitrarily divides the distance between each measurement position coordinate as a straight line. There is a map route etc. information management system provided with means for synchronizing a divided moving image frame and a corresponding divided moving image frame (for example, Patent Document 2).
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-272164
[Patent Document 2]
Japanese Patent Application No. 2002-383285
[0005]
[Problems to be solved by the invention]
However, in Patent Document 1 and Patent Document 2, there is no means for adding an undescribed road to a map generated by new establishment or improvement, and it is difficult to create a map reflecting the current road. In addition, since the position display marker, the moving image of the landscape, and the elevation display marker cannot be displayed in synchronization with each other at an arbitrary virtual speed, a running simulation on a desk cannot be performed, and a trial run must be performed on the spot. In addition, since the distance cannot be measured on a map or an aerial photograph in which scale display or longitude / latitude display is unknown, usable maps are limited to maps with scale display and longitude / latitude display. Moreover, in the said patent document 1, since a vertical section and the display of a road gradient cannot be performed, road information is insufficient. Further, the above-mentioned Patent Document 1 has a digital moving image information generating unit that divides a moving image into frame units and generates digital moving image information to which GPS information is added for each divided frame. Is 30 frames / second, and GPS information must be received every 1/30 seconds (about 0.03 seconds) in order to follow this speed and give GPS information for each frame. In this technical level, an inexpensive GPS receiver having such performance is not commercially available. The prior art has the above problems.
[0006]
The present invention has been made in view of the above-described problems of the prior art, and adds a new road or an improved road with a line having an arbitrary width and length on a map displayed on a display of a personal computer. It is possible to understand accurate road information, and because it can run simulation at any virtual speed on the PC display, it can verify traffic congestion areas and areas where traffic accidents occur frequently, Even if you do not actually drive on the road, you can experience virtual driving on the desk with maps, videos, vertical sections and gradient display of vertical sections, and maps with unknown scale, unknown latitude and longitude A straight line between any two points on a map, a map with a different aspect ratio of latitude and longitude, an aerial photograph with an unknown scale display, an aerial photograph with an unknown longitude and latitude display, and an aerial photograph with a different aspect ratio of longitude and latitude You can measure the distance and the distance traveled in any section, and if you click the mouse on any point on the map route displayed on the computer display, you can instantly display the location marker and video at that point. Provides an information management system for map routes, etc. that allows the location information to be checked instantaneously on the desk, and the on-site landscape information and elevation information to be easily managed on the desk. It is for the purpose.
[0007]
[Means for Solving the Problems]
  For this reason, the map route information management system according to claim 1 of the present invention isAn information management system such as a map route that displays a map route and a moving image of a landscape of the map route on a personal computer display,
While driving a vehicle equipped with a photographing device and a car navigation system, the moving image information of the landscape of the map route photographed by the photographing device is taken into the personal computer as digital data and stored in the data file portion as a moving image file, and the moving image file Means for displaying the program on the moving image window of the display unit,
GPS information consisting of azimuth, speed, distance and longitude, latitude, standard time, and altitude collected by the car navigation system is collected by the car navigation system and imported into a personal computer by a position information collection program to obtain a raw position information file. Further, the raw position information file is converted by a data conversion program and stored in a data file portion as a display coordinate pixel file and a position information file, and elevation profiles of elevation are respectively displayed by the program on the vertical information window and speed panel window of the display portion. And means to display speedometer,
The program comprises: a white map, aerial photographs, etc., captured by an image scanner as raster data into a personal computer, stored as a map file in a data file section, and displayed on the map window of the display section by the program. Means for synchronously displaying a position display marker on the map route, the moving image and an elevation display marker on the elevation profile on the display of the personal computer, and a locus of the traveling route of the vehicle by the program. Display on the map window, enter the start and end points of a road section not described in the map data, select the road width, road type, etc. from a pre-registered database, To add a road that matches the routeThe first feature is that it comprises means.
[0008]
  Next, the map route information management system according to claim 2 of the present invention is the map route information management system according to claim 1,The data conversion program arbitrarily divides the cycle by the data conversion program, and the GPS, which includes the azimuth, velocity, distance information and longitude, latitude, standard time, and altitude collected at a fixed cycle by the car navigation system. Means for complementing missing data generated within a period based on the rate of change of data for each periodThe second feature is that it is provided.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described based on examples shown in the drawings. FIG. 1 is an explanatory diagram of a functional configuration showing an embodiment of an information management system for a map route and the like according to the present invention. As shown in FIG. 1A, the map route information management system according to the present invention includes a control unit 200, a data file unit 500, and a display unit 8. The control unit 200 collects moving image data shot and recorded by the shooting device, GPS data received by the car navigation system, data measured by the car navigation system itself, calculation processing, editing processing, and the like. Based on this, a file creation process is performed in the file storage unit 5, and a file is created and stored in the data file unit 500. The collection unit 2 stores a position information collection program for collecting position information data from the car navigation system. The raw position information collection file 53 is a file in which raw data based on the GPS standard time is collected and stored in a cycle of 2 seconds, and this raw data is collected by executing a position information collection program. The calculation unit 3 stores a data conversion program. By executing the data conversion program, the position information collection file 53c and the display coordinate pixel file 54 are created and stored in the data file unit 500. The map file 51 stores raster map data, and the moving image file 52 stores moving image data of a route landscape photographed and recorded by a photographing device. The display unit 8 includes a map window 81, a moving image window 82, a longitudinal information window 83, and an instrument panel window 84, and stores a program for displaying each window on a personal computer display. Based on each file in the data file unit 500, a raster map is displayed in the map window 81, a moving image is displayed in the moving image window 82, a vertical profile of elevation is displayed in the vertical information window 83, and an instrument panel window 84 is displayed. Displays a speedometer. As shown in FIG. 1B, the editing unit 6 includes a basic editing 61, a route display 69, an additional route editing 70, and a distance measurement 71, and performs map data editing processing.
[0013]
Next, a hardware configuration for realizing the above-described map route information management system according to the present invention will be described. FIG. 2 is a hardware configuration diagram showing an embodiment of the map route etc. information management system according to the present invention. The hardware of the map route information management system is composed of a data collection system and a data editing system. As shown in FIG. 2A, the data collection system includes a car 105 equipped with a car navigation system 101 (hereinafter referred to as “car navigation 101”), a digital video camera 102, and a personal computer 103. The car navigation system 101 is a commercial car navigation system equipped with a GPS receiver, and can receive and collect information such as longitude, latitude, standard time, and altitude transmitted from the GPS 100. In addition, the car navigation 101 includes a gyro sensor, a speed sensor, an acceleration sensor, a direction sensor, and the like, and can autonomously collect information such as the direction, speed, and travel distance of the traveling direction of the vehicle 105, Based on these pieces of information, information such as longitude, latitude, standard time, and altitude can be autonomously collected even if reception information from the GPS 100 is temporarily interrupted. The data of the collected information is transferred to the personal computer 103 connected to the car navigation 101 via the RS-232C cable 106 and recorded. At the time of data collection, the landscape of the route is photographed by the digital video camera 102 while traveling the measurement target route by the vehicle 105, and the above-described data collection of the GPS 100 and the car navigation device 101 is performed by the car navigation device 101. In this embodiment, the moving image information photographed by the digital video camera 102 is recorded on a digital video tape 102a attached to the digital video camera 102. The personal computer is directly connected to the digital video camera 102 and the personal computer 103 while photographing. The moving image information may be recorded in 103. In addition, although a digital video camera is used as a photographing apparatus, an analog video camera can be used instead. In this case, it is necessary to convert an analog signal into a digital signal when taking captured moving image information into a personal computer. Further, the personal computer 103 mounted on the vehicle 105 is a laptop computer that is convenient to carry.
[0014]
As shown in FIG. 2B, the data editing system includes a digital video camera 102, a personal computer 103, an image scanner 104, and an external storage device 107. The personal computer 103 is mainly composed of a personal computer main body 103a, input means (keyboard 103c and mouse 103d), and display means (display 103b). The personal computer main body 103a includes arithmetic means (CPU), storage means (semiconductor memory, hard disk). ) And the like, and a program for operating the system of the present invention is stored. The image scanner 104 is connected to the personal computer 103, and is used when a map or aerial photograph created with paper material or film is read and converted into a raster map. The external storage device 107 is a device that drives a hard disk (HD), a flexible disk (FD), a compact disk (CD), a digital versatile disk (DVD), etc., and reads out or edits data recorded at the time of data collection. Write and save. In this data editing system, the digital video camera 102 is used to output recorded moving image information from the digital video tape 102 a to the personal computer 103. The personal computer 103 records and edits this moving picture information.
[0015]
GPS is generally known to have a single positioning method and a relative positioning method. A single positioning method is used for car navigation applications, and a relative positioning method is used for applications that require high accuracy. It's being used. When ultra-high accuracy is required, such as surveying, real-time kinematic GPS may be used as a relative positioning method. In the present embodiment, it is assumed that the single positioning method GPS for car navigation applications is used, but other types of GPS can also be used.
[0016]
Next, each component of the functional configuration diagram shown in FIG. 1 will be described. First, the collection unit 2 executes the position information collection program to collect the raw data of the position information from the car navigation 101 and save it as the raw position information collection file 53. Next, a procedure for creating the map file 51, the moving image file 52, the raw position information collection file 53, the position information file 53c, and the display coordinate pixel file 54 in the data file unit 500 will be described with reference to FIGS. 3A is an explanatory diagram showing the procedure for creating the map file 51, FIG. 3B is an explanatory diagram showing the procedure for creating the moving image file 52, and FIG. It is explanatory drawing which shows the preparation procedure of the display coordinate pixel phi 54 and the positional information file 53c. FIG. 4 is an explanatory diagram showing a procedure for creating the display coordinate pixel file 54 and the position information file 53c from the raw position information file 52 by executing the data conversion program in FIG.
[0017]
A procedure for creating the map file 51 will be described with reference to FIG. First, a white map 51a made of paper is taken into a personal computer as raster data by an image scanner (51b). This is saved as a map file 51. An aerial photograph 51e made of a film material may be used instead of the blank map 51a made of paper material. As the map file 51, a rasterized numerical map 51d or a rasterized aerial photograph 51f may be used.
[0018]
As shown in FIG. 3B, the moving image file 52 is created by first using a digital video camera 102 to photograph a route landscape with the digital video camera 102 while traveling the route to be measured with the vehicle 105. The moving image information of the photographed landscape is recorded (52a). Next, the digital data from the digital video camera 102 is taken into the personal computer 103 (52b) and stored as a moving image file 52.
[0019]
The raw position information collection file 53, the display coordinate pixel file 54, and the position information file 53c are created as shown in FIG. Raw data of position information is collected (53a), taken into the personal computer 103 connected to the car navigation 101 (53b), and saved as a raw position information collection file 53 (53). Next, as shown in FIG. 4, the data of the raw position information collection file 53 taken into the personal computer 103 is divided into 20 equal parts by executing the data conversion program 3a, and at the same time, the longitude is the X coordinate and the latitude is the Y The pixel data is converted as coordinates and stored as a display coordinate pixel file 54. This division number is arbitrary. Further, the position information file 53c is also generated and saved.
[0020]
Next, the data conversion program 3a described above will be described. In the map route information management system according to the present invention, the playback speed of a moving image shot by the digital video camera 102 is 30 frames / second as is generally known. On the other hand, the GPS 100 data collection period from the car navigation system 101 is optimal for a commercial car navigation system that is commercially available. Accordingly, the amount of raw position information from the car navigation system 101 is small with respect to the playback speed of the moving image, and the position display marker on the map and the vertical section displayed on the screen of the display 103b are displayed as missing teeth. Therefore, there is a problem that data cannot be collected depending on the communication state between the car navigation 101 and the GPS artificial satellite and the topography of the data collection place (traveling place). Therefore, in order to solve these problems, in the present invention, at the time of data conversion, the rate of change is determined from the relationship between the previous and next data for missing data that has become missing, and the interval between missing teeth (that is, 2 of the data collection period). Assuming that the rate of change in the second) changes at the rate of change in the context, as shown in FIG. 4, the data missing interval (2 seconds) is divided into 20 equal parts. Thereby, the missing tooth data is complemented, and the position display marker and the longitudinal view can be displayed smoothly.
[0021]
Next, the coordinate system of this system will be described. Position data such as white maps, aerial photographs, and numerical maps used in this system are expressed in units of longitude and latitude. When this position data is rasterized, it is converted into pixels. Also, a deviation (tilt) occurs when a white map or aerial photograph is read by an image scanner and rasterized. Since the subsequent processing is impossible if the difference in unit or deviation (inclination) occurs, it is necessary to perform coordinate unit conversion and deviation (inclination) correction processing. In the system of the present invention, as shown in FIG. 5, a map coordinate system 131, a logical coordinate system 132, and a display coordinate system 133 are used, and the map position on the display 103b of the personal computer 103, the actual map position, Are associated, coordinate conversion and inclination correction are performed. Each will be described below. First, the map coordinate system 131 is a paper map or aerial photo coordinate system and is represented in a car navigation format. Next, the display coordinate system 133 is obtained by taking the map as raster data into the personal computer 103 by the image scanner 104 and converting the unit of the coordinate system of the data into pixels. The display coordinate system 133 uses the coordinates of the map window 134 on the display 103b. is there.
[0022]
Next, the editing unit 6 will be described with reference to FIGS. The basic editing 61 in FIG. 1 is an editing process for associating a map on the display 103 b of the personal computer 103 with an actual map and correcting the inclination of the coordinates of the raster map imported into the personal computer 103. First, the inclination correction is performed. As shown in FIG. 5A, the X coordinate and the Y coordinate are calculated from one end point coordinate (x1, y1) and the other end point coordinate (x2, y2) of the inclination correction line segment L. Changes ΔX and ΔY are obtained and converted to an angle θ by arctangent. Coordinates (x, y) after correction of an arbitrary point (xw, yw) are based on the input position (x1, y1) of the end point, using the two-dimensional affine transformation formula, by an angle θ. It can be calculated by rotating the coordinates (xw, yw).
[0023]
Next, input of the corresponding point 1 and the corresponding point 2 will be described. Two arbitrary points on the diagonal of the map (hereinafter referred to as corresponding point 1 and corresponding point 2) are marked in advance on the map coordinates, and the coordinates of the car navigation format corresponding to the corresponding points 1 and 2 are measured. To fill in. If the longitude and latitude coordinates are displayed on the map, this operation can be omitted. Then, as shown in FIG. 5B, in order to associate the map coordinate system 131 and the display coordinate system 133, the display coordinates and the map coordinates of the corresponding point 1 and the corresponding point 2 are input on the map window 134. A coordinate conversion parameter to be described later is calculated from the coordinates of the corresponding points. Conversion to each coordinate system can be performed by calculating the coordinate conversion parameters and correcting the inclination described above.
[0024]
Next, a procedure for converting from map coordinates to display coordinates and from display coordinates to map coordinates will be described. First, in order to convert from map coordinates to display coordinates, map coordinates are first converted to logical coordinates, and the inclination of the logical coordinates is corrected and converted to display coordinates. To convert map coordinates to logical coordinates, the logical coordinates are obtained by adding the bias value of the conversion parameter to the value obtained by multiplying the map coordinate by the ratio of the conversion parameter. Two-dimensional affine transformation is used to correct the inclination of the logical coordinates. Next, in order to convert from display coordinates to map coordinates, first, the inclination of the display coordinates is corrected to be logical coordinates, and then the logical coordinates are converted to map coordinates. Two-dimensional affine transformation is used to correct the tilt of the display coordinates. In order to convert logical coordinates into map coordinates, a bias value of the conversion parameter is added to a value obtained by multiplying the logical coordinate by the ratio of the conversion parameter. The conversion parameter is a conversion ratio of longitude and latitude, and is calculated from the coordinates of latitude and longitude of corresponding point 1 and corresponding point 2 and logical coordinates (pixel coordinates).
[0025]
The above is the description of the basic editing 61 process in the editing unit 6. Since the ratio of each conversion parameter and the bias value of the conversion parameter are independent for each longitude and latitude and XY coordinates, a map with an unknown longitude and latitude display, a map with a different aspect ratio of longitude and latitude, and a scale display are unknown. Map coordinates and display coordinates can be associated with a map.
[0026]
Next, the route addition editing 70 will be described. When the route display 69 is checked in the display 151 of the map window 81 shown in FIG. 6, as shown in FIG. 7, the route 70a traveled on the raster map 81b of the map window 81 is displayed and is not described in the raster map 81b. When there is a road, a new road 70n can be additionally written with an arbitrary width and an arbitrary length line by clicking the start point 70s and the end point 70e of the undescribed road. FIG. 8 is a flowchart showing a procedure for additionally describing a road not described in the map. As shown in FIG. 8, first, the route to be measured is displayed on the raster map 81b displayed on the map window 81 by the button operation of the user's mouse 103d (step S702). Next, the user visually confirms whether the positional relationship between the route and the road matches (step S703). If they match (that is, the road is not corrected), the process ends. If the positional relationship between the route and the road does not match (that is, the road is corrected), the start point and the end point of the section of the road to be corrected are input with the mouse 103d (step S704), the road width, the road type, etc. Is selected from the database list 7051 registered in advance (step S705). Then, a road is newly created or deleted on the map based on the input and selected information, and a road that matches the route is drawn (step S706). Finally, additional information such as the correction history and other changes in the road position information is additionally written in the route database 7071 (step S707), and the process is terminated. By processing in this way, even if the road is not described on the map, the road can be entered or corrected on the map based on the actually traveled trajectory, so that the road management on the desk can be realized. .
[0027]
Next, the distance measurement 71 will be described. As shown in FIG. 9, when measuring the distance from an arbitrary point A to an arbitrary point B on the raster map 81c of the map window 81, the straight line distance between the points AB can be measured by dragging the mouse 103d to the right. . Further, as shown in FIG. 10, on the raster map 81d of the map window 81, the distance between an arbitrary point 30s on the route 30a traveled by the vehicle 105 and an arbitrary point 30e can be measured. In addition, as shown in FIG. 11, a circle 81q is displayed on the raster map 81e of the map window 81 with an arbitrary point as the center of the circle so that a curved road coincides with a part of the outer periphery of the circle 81q. By adjusting the center position of the circle 81q, the radius 81r of the circle 81q when the curve of the road substantially coincides with a part of the outer circumference of the circle 81q can be measured as the curvature radius of the road.
[0028]
Next, a method for associating the position display marker displayed in the map window with the moving image displayed in the moving image window and the altitude display marker displayed in the profile information window will be described. The position information of the car navigation 101 includes longitude, latitude, time, altitude, direction, speed, and distance. These data are stored in the personal computer 103 as time-series arrangement data by executing the position information collection program, and in the data editing process, the collection time of these data is represented by the elapsed time from the data collection start time, Reorganized into time-series data at equal intervals. This elapsed time is expressed in seconds, and is hereinafter referred to as “elapsed seconds”. As shown in the display coordinate pixel file 54 of FIG. 4, the data of P0 is data with an elapsed second of 0 seconds (data collection start time), the data of P20 is data with an elapsed second of 2 seconds, and the data of P40 The data is data with an elapsed time of 4 seconds. That is, by specifying the collection time based on the elapsed seconds from the collection start time, the time, longitude, latitude, height, direction, speed, distance, and pixel coordinates of the collection point can be specified. Therefore, the position display marker, the moving image, and the altitude display marker can be synchronized by associating the vertical view of the map with the moving image and the altitude based on the reproduction time of the moving image. The time is a standard time in GPS.
[0029]
Next, as shown in FIG. 12, a map window 114, a moving image window 113, and a longitudinal information window 116 are displayed on the display 103b of the personal computer 103, a raster map 114a is displayed in the map window 114, and a moving image 113a is displayed in the moving image window 113. Is displayed in the vertical information window 116, and the position display marker 152 on the route of the altitude display marker 117 and the map (raster map) 114a displayed on the video 113a and the vertical profile 116a is displayed. However, the procedure of jumping to an arbitrarily selected point and displayed will be described. As described above, since all data are related by elapsed seconds, the data on the display can be related as long as the elapsed seconds are known. When a point on the map route is clicked with the mouse, the pixel coordinate 112 of the display coordinate system of the point (the point displayed by the marker 152) can be collected, and the pixel coordinate on the route closest to the pixel coordinate 112 is obtained. You can search, associate data with the elapsed seconds found, extract data, and jump. For this reason, even if a point away from the current point on the route is clicked on the personal computer 103 screen, the position display marker 152, the moving image 113a, and the altitude display marker 117 instantaneously jump to the clicked point, and position information is obtained. Can be confirmed.
[0030]
Further, since the time axis of the moving image window 113 and the time axis of the position information file 115 are synchronized, by moving the control bar 113b for setting the moving image playback point of the moving image window 113 displayed on the display, The position display marker 152 and the altitude display marker 117 jump to the same point as the playback point of the moving image 113a in synchronization with each other. As shown in FIG. 13, a raster map 114a and a position display marker 152 are displayed on a map window 114, a moving image 113a is displayed on a moving image window 113, and an elevation profile 116a and an elevation display marker are displayed on a longitudinal information window 116. 117 is displayed, and the position display marker 152, the moving image 113a, and the altitude display marker 117 are displayed in synchronization with each other.
[0031]
As described above, since the position on the map route, the video, and the elevation profile of the altitude are synchronized, the position display marker, the video, and the altitude display marker can instantaneously jump to an arbitrary point for visual recognition. .
[0032]
Further, as shown in FIG. 14, the position display marker 152 on the raster map 81f of the map window 81 and the moving image 82b of the moving image window 82 are synchronized, and the position display marker 152 is moved in advance on the map route. When it comes to the set moving image display point, a separately captured moving image 86 a is displayed in a pop-up window 86. The pop-up window 86 is closed when a certain time has elapsed.
[0033]
As shown in FIG. 15, the vertical information window 83 displays a vertical profile 83g of the altitude, a distance 83a from the starting point, an altitude 83b, a gradient 83c, and an elapsed distance 83d. Further, a cursor b indicating the reference position and a cursor a for obtaining the gradient of the section are displayed on the elevation profile 83g, and the gradient is calculated based on the height difference 83f of the section. The calculation can be performed by dragging the cursor a with the mouse or by inputting an arbitrary section distance 83e in the “cursor measurement” display field, and a detailed section gradient 83c can be obtained.
[0034]
As shown in FIG. 16, the instrument panel window 84 displays the speed of the vehicle 105 with the actual speed pointer 84b of the speedometer 84a. If the virtual speed pointer 84c of the speedometer 84a is set to an arbitrary speed, this speed is displayed. Video can be played and displayed at the set virtual speed. The position display marker on the map window and the altitude display marker video on the profile information window are displayed in synchronization with each other. In this virtual speed processing algorithm, for example, when the actual speed is 40 km / h and the virtual speed is 40 km / h, the ratio between the actual speed and the virtual speed is 1, and the display rate of the moving image is also 1 according to this. To do. When the virtual speed is 20 km / h, the ratio is ½ of the actual speed. By halving the display rate accordingly, the video looks as if it is traveling at 20 km / h. Can be reproduced and displayed. FIGS. 17 and 18 are flowcharts showing a procedure for displaying a moving image in a pseudo manner at the virtual speed described above. The procedure will be described below.
[0035]
As shown in FIGS. 17 and 18, first, the moving image playback display rate is set to 1 with the moving image window opened (step S802), the virtual speed is set to 0 km / h, and the initial state is set (step S803). That is, in the initial state, pseudo display based on the virtual speed is not performed. Next, when the user inputs the virtual speed value, the reproduction display of the moving image is started (step S804). Next, the actual traveling speed at the time of collection is extracted from the elapsed seconds (step S805), and digital display and analog display are performed on the instrument panel. (Step S806). Next, it is determined whether the mode is the sync mode (step S807). If the mode is not the sync mode, it is determined whether the virtual speed has been updated by the user (step S902). (S906) The processing from step S805 to step S906 is repeated until the moving image ends.
[0036]
If the virtual speed is updated in step S902, it is determined whether the input data is 0 km / h (step S903). If it is 0 km / h, pseudo display of the virtual speed is canceled with the display rate set to 1. (Step S9031), the process proceeds to step 906. If the input data is not 0 km / h, the difference between the virtual speed and the actual speed is calculated (step S904), the ratio is obtained from the calculated difference to update the display rate (step S905), and the process proceeds to step 906. In this embodiment, when the input data is 10 km / h or less, the virtual speed is 0 km / h.
[0037]
When not in sync mode, the display rate is updated at the actual speed when the virtual speed is entered, so if the actual speed is moving at a constant speed, keep the display rate constant, Although the moving image reproduction display can be approximated, if the actual speed changes, the display rate must be updated again to follow the speed. When the sync mode is set, this process can be automatically performed. In FIG. 17, in the synchro mode, it is determined in step S808 whether the actual speed has changed. If there is no change in speed, the process proceeds to step S902. If there is a change in speed, the difference between the virtual speed and the actual speed is determined. (Step S809), the display rate proportional to the ratio is updated (step S810), and the process proceeds to step S902. In step S809, the change rate of the actual speed is obtained, and the display rate update process is performed only when there is a certain speed change. If the moving image ends in step 906, this series of processing ends. The sync mode ON / OFF can be switched by the sync ON 84s in the check box on the instrument panel 84.
[0038]
The above is the description of the process of synchronously displaying the map, the moving image, and the longitudinal view at the virtual speed. As described above, since the driving simulation can be performed at the virtual speed, it is possible to analyze the cause of the frequent traffic accidents by visually recognizing the road scenery in the frequent traffic accident area.
[0039]
In addition, the data 142 of longitude, latitude, and height information in the raw position information collection file 53 shown in FIGS. 3C and 4 is used in combination with the above-described surveying GPS as shown in FIG. It can be used and replaced with the data 141 of longitude, latitude, and height of the position information data 53R of the surveying GPS comprising the longitude, latitude, and height with reference to the standard time. In this method, first, longitude, latitude, and height data 141 are collected from the surveying GPS, converted from the surveying GPS format to the car navigation format, and the longitude, latitude, and height of the raw position information collection file 53 are obtained. The information data 142 is replaced. In this way, different types of GPS can be used together.
[0040]
【The invention's effect】
Since it comprised as mentioned above, according to the map route etc. information management system concerning the present invention, it has the following outstanding effects.
(1) If a new road or improved road is not described in an old map or old aerial photograph, add the new road or improved road with a line of arbitrary width and length on the map displayed on the PC display. Therefore, accurate road information can be grasped.
(2) Map location marker displayed on the PC display at any virtual speed, video and elevation profile can be synchronized and travel simulation can be performed, so verification of traffic jam areas and areas where traffic accidents occur frequently Can prevent accidents.
(3) Even if you do not actually travel on the road, you can experience virtual driving on a desk with a map, a moving image, a longitudinal view, and a gradient display of the longitudinal view.
(4) Measurement of a linear distance between two points and any of a map or aerial photograph with an unknown scale display, a map or aerial photograph with an unknown longitude and latitude display, a map or an aerial photograph with different aspect ratios of latitude and longitude It is possible to measure the travel distance of the section and the curvature radius of the road curve.
(5) The position display marker, video, and elevation profile are synchronized. When you click the mouse on any point on the map route displayed on the computer display, the position display marker and video are instantly displayed at that point. The altitude display marker jumps and the position information can be confirmed instantly.
(6) On the desk, it is possible to easily manage on-site landscape information and elevation information.
[Brief description of the drawings]
FIG. 1 is a functional explanatory diagram showing an embodiment of an information management system for map route and the like according to the present invention.
FIG. 2 is a hardware configuration diagram showing an embodiment of an information management system for map routes and the like according to the present invention.
FIG. 3 is a flowchart showing a procedure for creating each file in the data file portion of FIG. 1;
FIG. 4 is an explanatory diagram showing an outline of a data conversion program of the arithmetic unit in FIG. 1;
FIG. 5 is an explanatory diagram showing an example of map inclination correction by coordinate transformation in the basic editing of FIG. 1;
FIG. 6 is an explanatory diagram showing an example in which the map window of FIG. 1 is displayed on a display of a personal computer.
FIG. 7 is an explanatory diagram showing an embodiment for displaying the root addition edit of FIG. 1;
FIG. 8 is a flowchart illustrating an example of a procedure for adding an undescribed road on a map.
FIG. 9 is an explanatory diagram showing an example of measuring a linear distance in the editing unit of FIG. 1;
FIG. 10 is an explanatory diagram showing an example of measuring a travel section distance in the editing unit in FIG. 1;
FIG. 11 is an explanatory diagram showing an embodiment in which the radius of curvature of a road is measured by a circle display in the editing unit of FIG. 1;
FIG. 12 is an explanatory diagram showing an embodiment in which a position display marker on a map window, a moving image on a moving image window, and an elevation display marker on a longitudinal information window are associated with each other.
FIG. 13 is an explanatory diagram illustrating a display example of a position display marker, a moving image, and an altitude display marker that are synchronized with each other.
FIG. 14 is an explanatory diagram showing an example in which a separately captured moving image is displayed in a pop-up window.
FIG. 15 is an explanatory diagram showing an example in which the profile information window of FIG. 1 is displayed.
FIG. 16 is an explanatory diagram showing an embodiment for displaying the instrument panel window of FIG. 1;
FIG. 17 is a flowchart illustrating an example of a procedure for setting a virtual speed.
FIG. 18 is a flowchart illustrating an example of a procedure for setting a virtual speed.
FIG. 19 is an explanatory diagram showing an example of a procedure for replacing the position information data of the surveying GPS with the longitude, latitude, and height data of the raw position information collection file collected from the car navigation system. is there.
[Explanation of symbols]
2 Collection Department
3 Calculation unit
3a Data conversion program
30a Route traveled by vehicle
30s, 30e Any point
5 File storage
51 Map file
51a Blank map of paper material
51b Importing to a computer with an image scanner
51d rasterized numerical map
51e Aerial view of film material
51f Rasterized aerial photography
52 video files
52a Video recording / recording
52b, 53b Import to PC
53 Raw location information collection file
53a GPS location data collection
53c Location information file
53R GPS location information data for surveying
54 Display coordinate pixel file
6 editorial department
61 Basic editing
69 Route display
70 Add and edit routes
70a Route traveled
71 Distance measurement
8 Display section
81, 134, 114 Map window
81b, 81c raster map
81d, 81e, 81f Raster map
114a raster map
81r radius (curvature radius)
81q yen
82, 113 Movie window
82b, 86a, 113a video
83 Longitudinal information window
83a Distance from starting point
83b Altitude
83c gradient
83d Elapsed distance
83g, 116a Elevation profile
84 Instrument panel window
84a Speedometer
84b Actual speed indicator
84c Virtual speed guideline
84s Sync ON
86 Pop-up window
100 GPS
101 Car navigation
102 Digital video camera
102a Digital video tape
103 PC
103a PC
103b display
103c keyboard
103d mouse
104 Image scanner
105 vehicles
106 RS-232C cable
107 External storage device
112 pixel coordinates
113b Control bar
115 Location information file
116 Profile information window
117 Altitude display marker
131 Map coordinate system
132 Logical coordinate system
133 Display coordinate system
141 Surveying GPS location information data
142 GPS position information data for car navigation
152 Position display marker
200 Control unit
500 Data file part
a, b cursor
L Straight line for tilt correction

Claims (2)

An information management system such as a map route that displays a map route and a moving image of a landscape of the map route on a personal computer display,
While driving a vehicle equipped with a photographing device and a car navigation system, the moving image information of the landscape of the map route photographed by the photographing device is taken into the personal computer as digital data and stored in the data file portion as a moving image file, and the moving image file Means for displaying the program on the moving image window of the display unit,
GPS information consisting of azimuth, speed, distance and longitude, latitude, standard time, and altitude collected by the car navigation system is collected by the car navigation system and imported into a personal computer by a position information collection program to obtain a raw position information file. Further, the raw position information file is converted by a data conversion program and stored in a data file portion as a display coordinate pixel file and a position information file, and elevation profiles of elevation are respectively displayed by the program on the vertical information window and speed panel window of the display portion. And means to display speedometer,
The program comprises: a white map, aerial photographs, etc., captured by an image scanner as raster data into a personal computer, stored as a map file in a data file section, and displayed on the map window of the display section by the program. Means for synchronously displaying a position display marker on the map route, the moving image and an elevation display marker on the elevation profile on the display of the personal computer, and a locus of the traveling route of the vehicle by the program. Display on the map window, enter the start and end points of a road section not described in the map data, select the road width, road type, etc. from a pre-registered database, characterized in that a means for adding a road that matches the travel route in Map the route, such as information management system to be. In the map route information management system according to claim 1,
The data conversion program arbitrarily divides the cycle by the data conversion program, and the GPS, which includes the azimuth, velocity, distance information and longitude, latitude, standard time, and altitude collected at a fixed cycle by the car navigation system. An information management system for a map route or the like , comprising means for complementing missing data generated within a period based on the rate of change of data for each period .

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