JPH11108671A - Road information acquisition and display apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a road information acquisition and display apparatus by which road information up to a destination is stored thoroughly on a small-capacity memory within a predetermined picture recording time, by a method wherein the surrounding state of a vehicle which is photographed for a definite picture recording time at every prescribed traveling distance is stored so as to correspond to a photographing position. SOLUTION: A road information acquisition and display apparatus which is loaded on a vehicle is constituted, e.g., of a CCD camera 1, of a vehicle speed sensor 2, of a GPS receiver 3, of a road-map storage device 4, of an image storage device 6 such as a hard disk or the like and of the like. Then, on the basis of a distance up to a destination which is computed by the preset total picture recording time, by a one-time picture recording time, by a present position and by data or the like on the road-map storage device 4, a picture recording distance interval is computed, and the landscape of a road is photographed by the camera 1 at every interval which is found by the vehicle speed sensor 2 or the like. A photographed image is stored on the image storage device 6 together with position information which is detected by the GPS receiver 3 or the like. The load information acquisition and display apparatus can be constituted by using a picture recording sampling interval, based on a reference picture recording vehicle speed which is set by an average legal speed or the like and based on the total picture recording time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for collecting and displaying information on roads.

[0002]

2. Description of the Related Art Road information collection and display is provided in which a landscape around a road is photographed along a traveling road, and then the photographed image is displayed when traveling on the same road to provide more road information. An apparatus is known (for example, see
-215102).

[0003]

However, in the conventional road information collecting and displaying apparatus, since the landscape is continuously photographed along the traveling road, the amount of video data to be collected becomes enormous, and the capacity of the storage memory is increased. Or it takes a lot of time to edit the collected video data,
There are problems such as a longer playback time.

An object of the present invention is to provide a road information collection and display device that collects and displays road information along a road while reducing the amount of information to be collected.

[0005]

[Means for Solving the Problems]

(1) The invention according to claim 1 is a photographing means for photographing a situation around a vehicle, a display means for displaying an image, a storage means for storing an image, a distance detecting means for detecting a traveling distance, and a current state of the vehicle. Position detecting means for detecting a position; setting means for setting a destination, a total recording time and one recording time; distance calculating means for searching a route to the destination and calculating a distance to the destination; Recording interval calculating means for calculating a recording distance interval based on the total recording time, one recording time and the distance to the destination, and one recording time each time the distance detected by the distance detecting means reaches the shooting distance interval. And control means for storing the surrounding conditions of the vehicle photographed by the photographing means and the photographing position detected by the position detecting means in the storage means in association with each other. (2) In the road information collecting and displaying device according to claim 2, when the surrounding condition of the vehicle corresponding to the current position detected by the position detecting device is stored in the storage device, the surrounding condition is read. Thus, the data is reproduced and displayed on the display means. (3) The invention according to claim 3 is a photographing means for photographing a situation around the vehicle, a display means for displaying an image, a storage means for storing an image, a vehicle speed detecting means for detecting a vehicle speed, and a current position of the vehicle. Position detecting means for detecting the destination, total recording time and reference recording vehicle speed setting means, distance calculating means for searching for a route to the destination and calculating the distance to the destination, total recording time A sampling interval calculating means for calculating a recording sampling interval based on a reference recording vehicle speed and a distance to a destination; a surrounding situation of a vehicle photographed by the photographing means for each recording sampling interval; and a photographing position detected by the position detecting means. And control means for storing the vehicle speed detected by the vehicle speed detection means in the storage means in association with each other. (4) In the road information collecting and displaying device according to claim 4, when the surrounding state of the vehicle corresponding to the current position detected by the position detecting means is stored in the storage means, the surrounding situation is read. Thus, the data is reproduced and displayed on the display means. (5) The road information collecting and displaying device according to claim 5, wherein the sampling interval calculating means includes a total recording time and a vehicle speed detecting means when the difference between the vehicle speed detected by the vehicle speed detecting means and the reference recording vehicle speed exceeds a predetermined value. In this case, the recording sampling interval is calculated again based on the vehicle speed and the distance to the destination detected by the method. (6) The road information collection and display device according to claim 6, wherein the control means controls the vehicle stored in the storage means when the vehicle speed at the time of reproducing the surrounding condition of the vehicle is higher than the vehicle speed at the time of capturing the surrounding condition of the vehicle. In this case, the image of the surrounding situation is thinned out and displayed. (7) The road information collecting and displaying device according to claim 7, further comprising a recording instruction unit for photographing the surroundings of the vehicle at an arbitrary point, and when a recording instruction is given by the recording instruction unit by the control unit, the point is displayed. Is stored in the storage means in association with the shooting position. (8) In the road information collecting and displaying device according to the eighth aspect, the control means reduces the shooting distance interval or the recording sampling interval when approaching the destination.

[0006]

【The invention's effect】

(1) According to the first aspect of the present invention, a recording distance interval is calculated based on a preset total recording time and one recording time, and a distance to a destination. Each time, the surrounding situation of the vehicle photographed during one recording time is stored in association with the photographing position, so that road information along the route to the destination can be stored within the scheduled total recording time. It can be collected evenly and stored in a small memory. According to the conventional method of continuously collecting road information along a route to a destination, it is necessary to edit information after collection in order to reduce the storage capacity of the memory. According to this, there is no need for editing, and it can be used as road information as it is. Further, even when the recorded road information is reproduced at home, the image of the traveling route can be used as an album. (2) According to the second aspect of the present invention, when the surrounding situation of the vehicle corresponding to the current position is stored, the surrounding situation is read out and reproduced and displayed.
In addition to the effects described above, detailed information on the road on which the vehicle is traveling can be provided in real time. (3) According to the third aspect of the present invention, the recording sampling interval is obtained based on the preset reference recording vehicle speed and total recording time, and the distance to the destination. Since the position and the vehicle speed are stored, road information along the route to the destination can be collected evenly within the total scheduled recording time, and can be stored in a small-capacity memory. According to the conventional method of continuously collecting road information along a route to a destination, it is necessary to edit the information after collection in order to reduce the storage capacity of the memory. According to this, there is no need for editing after collection, and it can be used as road information as it is. Further, even when the recorded road information is reproduced at home, the image of the traveling route can be used as an album. (4) According to the invention of claim 4, when the surrounding situation of the vehicle corresponding to the current position is stored, the surrounding situation is read out and reproduced and displayed.
In addition to the effects described above, detailed information on the road on which the vehicle is traveling can be provided in real time. (5) According to the invention of claim 5, when the difference between the actual vehicle speed and the reference recording vehicle speed exceeds a predetermined value, the total recording time,
Since the recording sampling interval is recalculated based on the actual vehicle speed and the distance to the destination, even if the actual vehicle speed deviates from the reference recording vehicle speed, the total recording time for which road information along the route to the destination is scheduled It can be collected evenly within the device and stored in a small memory. (6) According to the invention of claim 6, when the vehicle speed at the time of reproducing the surrounding conditions of the vehicle is higher than the vehicle speed at the time of capturing the surrounding conditions of the vehicle, the stored images of the surrounding conditions of the vehicle are thinned out and displayed. As a result, it is possible to display a recorded image that matches the actual surrounding conditions of the road on which the vehicle is traveling. (7) According to the invention of claim 7, there is provided recording instruction means for photographing a situation around the vehicle at an arbitrary point,
When a recording instruction is given by the recording instruction means, the surrounding situation of the vehicle at that point is stored in association with the shooting position, so that road information at any point can be collected and provided. (8) According to the invention of claim 8, when approaching the destination, the photographing distance interval or the recording sampling interval is reduced, so that fine road information around the destination can be collected and provided.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION

-First Embodiment of the Invention- FIG. 1 is a diagram showing a configuration of a first embodiment. The road information collection and display device according to the first embodiment is mounted on a vehicle capable of autonomous traveling. The CCD camera 1 captures a scene of a running road. The vehicle speed sensor 2 is installed on the output shaft of the transmission, and generates a pulse signal for each predetermined rotation angle of the output shaft. By measuring the period of the pulse signal and the number of pulses, the traveling speed and the traveling distance of the vehicle can be detected. The GPS receiver 3 detects the current position by satellite navigation. The current position of the vehicle may be detected by autonomous navigation based on the traveling distance of the vehicle detected by the vehicle speed sensor and the traveling direction of the vehicle detected by the direction sensor. The road map storage device 4 is a CD-ROM
And its reading device, and stores road map data.

The input device 5 is a device for inputting a destination, one recording time, a total recording time, and the like. Video storage device 6
Is a hard disk that stores an image taken by the camera 1 in association with a shooting position and a running situation. Display device 7
Is a liquid crystal monitor for reproducing and displaying an image taken by the camera 1. The controller 8 is composed of a microcomputer and its peripheral parts, and executes a control program, which will be described later, to detect a traveling distance, calculate a recording interval, control image storage, and control playback and display of stored images.

FIGS. 2 to 4 are flowcharts showing a control program for collecting and displaying road information according to the first embodiment. The operation of the first embodiment will be described with reference to these flowcharts. It should be noted that 3 seconds for one recording time T1 from the input device 5 is 20 minutes (1200 minutes) for the total recording time T2.
(Seconds) are input, and the input data is stored in the memory in the controller 8 as an example.

FIG. 2 is a flowchart showing an initialization program for the controller 8. In step 1, based on the destination input from the input device 5, the current position detected by the GPS receiver 3, and the road map data in the road map storage device 4, an optimal route to the destination is searched. , Calculate the distance D1 to the destination. Here, it is assumed that D1 = 60 km. In the following step 2, one recording time T1 = 3s and total recording time T2 = 1
The recording distance interval D2 is calculated based on 200s and the distance D1 to the destination D1 = 60km, and is stored in the memory in the controller 2. Here, the recording distance interval D2 is

## EQU1 ## D2 = D1 * T1 / T2 = 60 * 3/1200
= 3 / 20km = 150m.

FIG. 3 is a flowchart showing a main program of the controller 8. In step 11, it is checked whether the vehicle has arrived at the destination. If the vehicle has arrived at the destination, the process proceeds to step 21; otherwise, the process proceeds to step 12. When the vehicle arrives at the destination, it is no longer necessary to collect road information, so a reproduction display routine described later is executed in step 21 to display a road image. This reproduction display processing will be described later.

If the vehicle has not arrived at the destination, the process of collecting road information after step 12 is performed. First, in step 12, the recording distance interval D2
(150 m in this embodiment) is read out, and in the following step 13, the traveling distance is calculated based on the pulse signal from the vehicle speed sensor 2. In step 14, the recording distance interval D
It is checked whether or not the vehicle has traveled 2 = 150 m. If the vehicle has traveled for the recording distance interval D2, the process proceeds to step 15 to start recording. Otherwise, the process proceeds to step 21 to perform a reproduction display process described later.

In step 15, storage of the image captured by the camera 1 and the current position detected by the GPS receiver 3 is started. These image and position information are stored in the video storage device 6. In step S16, a reproduction and display process, which will be described later, is performed in parallel with the operation of storing the image and position information. In step 17, 1
The recording time T1 (3 seconds in this embodiment) is read out, and it is confirmed in the subsequent step 18 whether or not one recording time T1 has elapsed.

When one recording time T1 has elapsed, the process proceeds to step 19 to stop recording, and otherwise, the process proceeds to step 22 to perform a reproduction display process described later. When one recording time T1 has elapsed, the storage operation of the captured image and the current position in the video storage device 6 is stopped in step 19, and the reproduction display processing described later is performed in step 20. In this manner, the image of the road and the current position are stored in the video storage device 6 for the recording time T1 (here, 3 s) at every recording distance interval D2 (here, 150 m).

FIG. 4 is a flowchart showing a reproduction display routine. In step 31, it is confirmed whether or not the image of the road is being reproduced and displayed. If the image is being reproduced and displayed, the process proceeds to step 34, and if not, the process proceeds to step 32. If the image is not being reproduced and displayed, in step 32, the image in the video storage device 6 is searched to determine whether or not the image corresponding to the current position is stored. If the road image corresponding to the current position is stored, the process proceeds to step 33,
The image is reproduced and displayed on the display device 7. On the other hand, if the road image is being reproduced and displayed, it is checked in step 34 whether or not the reproduction display information has ended.
Then, the reproduction display operation is stopped.

As described above, the preset total recording time T2
And calculating a recording distance interval D2 based on one recording time T1 and a distance D1 to a destination, photographing a road scene for the recording time T1 for each recording distance interval D2,
Since the image is stored in association with the shooting position, road images along the route to the destination can be collected evenly within the total scheduled recording time, and can be stored in a small-capacity memory.
Further, in the conventional method of continuously collecting road images along the route to the destination, it was necessary to edit the image after collection in order to reduce the storage capacity of the memory. According to this, there is no need for editing, and the road information can be used as it is. Further, even when the recorded road image is reproduced at home, the video of the traveling route can be used as an album.

Second Embodiment of the Invention In the first embodiment described above, the recording distance interval D2 is determined based on one recording time T1, the total recording time T2, and the distance D1 to the destination. Although the example in which the road image and the photographing position are recorded for each of the recording distance intervals D2 has been described, in the second embodiment, based on the reference recording vehicle speed S1, the total recording time T2, and the distance D1 to the destination. An example is shown in which a recording sampling interval R2 is obtained by recording the road image and the photographing position at each recording sampling interval R2.

Here, the reference recording vehicle speed S1 is a reference vehicle speed at the time of recording and can be arbitrarily set.
For the reference recording vehicle speed S1, an average legal speed may be obtained based on the road type (expressway, general road, etc.) of the route to the destination, and the average legal speed may be automatically set, or VICS ( The setting may be made in consideration of road traffic information such as traffic congestion and traffic regulation provided from a road traffic information communication system.

FIG. 5 is a diagram showing the configuration of the second embodiment. The same components as those shown in FIG. 1 are denoted by the same reference numerals, and the description will focus on the differences. Input device 5
A is a device for inputting a destination, a reference recording vehicle speed S1, a total recording time T2, a reference reproduction vehicle speed S2, and the like. The controller 8A is composed of a microcomputer and its peripheral parts, and executes a control program, which will be described later, to detect a traveling distance, calculate a recording sampling interval, control image storage, and control playback and display of stored images. Controller 8
A is provided with a buffer memory 81 for temporarily storing a road image taken by the camera 1.
The image captured by the camera 1 is temporarily stored in the buffer memory 81, sampled at a recording sampling interval described later, and stored in the video storage device 6.

FIGS. 6 to 8 are flowcharts showing a control program for collecting and displaying road information according to the second embodiment. The operation of the second embodiment will be described with reference to these flowcharts. Note that 20 minutes (1200 seconds) from the input device 5A for the total recording time T2 is 6 minutes for the reference recording vehicle speed S1.
0 km / h is input to the reference regeneration vehicle speed S2, and 120 km / h is input to the reference regeneration vehicle speed S2, and the input data is stored in the memory in the controller 8A as an example. Further, the sampling interval R1 at the time of continuous recording of a normal video is set to 1/30 s.

FIG. 6 is a flowchart showing an initialization program for the controller 8. In step 41, the destination input from the input device 5A, the current position detected by the GPS receiver 3, and the road map storage device 4
Based on this road map data, the optimum route to the destination is searched for, and the distance D1 to the destination is calculated. Here, it is assumed that D1 = 60 km. Subsequent step 42
Then, the total recording time T2 = 1200s and the reference recording vehicle speed S
1 = 60km / h and distance D1 = 60km to destination
Then, the recording sampling interval R2 is calculated based on the sampling interval R1 = 1/30 s during continuous recording, and stored in the memory in the controller 2. Here, the recording sampling interval R2 is

R2 = D1 / Ｒ (S1 / 3600) * R1 * T
2｝ = 60 / ｛(60/3600) * (1/30) * 1
200｝ = 1/10 s.

FIG. 7 is a flowchart showing a main program of the controller 8A. In step 51, it is checked whether the vehicle has arrived at the destination. If the vehicle has arrived at the destination, the process proceeds to step 57; otherwise, the process proceeds to step 52. When the vehicle arrives at the destination, it is no longer necessary to collect road information. Therefore, in step 57, a reproduction display routine described later is executed to display a road image. This reproduction display processing will be described later.

If the vehicle has not arrived at the destination, the process of collecting road information after step 52 is performed. First, at step 52, the recording sampling interval R2 (1/10 s in this embodiment) is read from the controller built-in memory. In the following step 53, the road image temporarily recorded in the buffer memory 81 is sampled at an interval R2, and the position and the vehicle speed at the time of sampling are stored in the image storage device 6 in association with the sampled image. That is, the road images captured by the camera 1 are thinned out at the sampling interval R2 and stored.

In step 54, a reproduction display process, which will be described later, is executed in parallel with the video storage operation. Next step 5
In step 5, the actual traveling vehicle speed S3 is detected by the vehicle speed sensor 2, and the reference recorded vehicle speed S1 is read from the controller built-in memory. In step 56, the actual traveling vehicle speed S
3 is compared with the reference recording vehicle speed S1. If the difference between the two is equal to or less than a predetermined value, the process returns to step 51 assuming that the reference recording vehicle speed S1 does not need to be changed. move on. In step 58, the recording sampling interval R2 is re-calculated by using the actual traveling vehicle speed S3 in place of the reference recording vehicle speed S1 according to Expression 2, and stored in the controller built-in memory.

FIG. 8 is a flowchart showing a reproduction display routine. In step 61, it is confirmed whether or not the image of the road is being reproduced and displayed. If the image is being reproduced and displayed, the process proceeds to step 64; otherwise, the process proceeds to step 62. If not, in step 62, the image in the video storage device 6 is searched to determine whether or not the image corresponding to the current position is stored. When the road image corresponding to the current position is stored, the process proceeds to step 63,
The image is reproduced and displayed on the display device 7. On the other hand, if the road image is being reproduced and displayed, it is checked in step 64 whether or not the reproduction display information has ended.
Then, the reproduction display operation is stopped.

It is to be noted that the recording sampling interval R2 is short and the reproduction time is long, or the actual running vehicle speed S during reproduction is
3 becomes faster and there is a large difference between the vehicle speed at the time of video recording and the vehicle speed at the time of video reproduction, and the recorded video deviates from the actual running scene. It may be.

As described above, the preset reference recording vehicle speed S
1 and the total recording time T2 and the distance D1 to the destination, the recording sampling interval R2 is obtained, and the road image, the photographing position, and the vehicle speed are recorded at each recording sampling interval R2. Road images along the route can be collected evenly within the total scheduled recording time, and can be stored in a small capacity memory. Further, in the conventional method of continuously collecting road images along the route to the destination, it was necessary to edit the image after collection in order to reduce the storage capacity of the memory. According to this, there is no need for editing after collection, and it can be used as road information as it is. Further, even when the recorded road image is reproduced at home, the video of the traveling route can be used as an album.

If the capacity of the video storage device 6 can be increased at low cost and the editing work of the recorded video can be automated, the recording sampling interval R2 may be determined only by the vehicle speed. Thereby, a natural image of the traveling route can be reproduced.

In the above-described second embodiment, the sampling interval R2 is calculated by Expression 2 based on the preset reference recording vehicle speed S1 and total recording time T2, and the distance D1 to the destination. Is the standard recording vehicle speed S1
The actual vehicle speed S detected by the vehicle speed sensor 2 instead of
3, the recording sampling interval R2 may be calculated. For example, the average actual vehicle speed S3 every 1 km
And the recording sampling interval R2 may be calculated. Alternatively, the average actual vehicle speed S3 during traveling for a predetermined time
And the recording sampling interval R2 may be calculated.

In the above-described embodiment, an example has been described in which recording is performed at a preset recording interval D1 or sampling interval R2. However, a recording interrupt is generated by a user's photographing instruction, and recording is performed for a predetermined time. Is also good. Further, when approaching the destination, the recording interval D1 or the sampling interval R2 may be reduced, and recording may be performed for a longer time near the destination to provide detailed road information. In this case, when approaching the destination, the recording interval D1 and one recording time T1 or the recording sampling interval R2 are recalculated so that the recording time falls within the total recording time T2.

In the above-described embodiment, an example in which road scenes are collected has been described. However, sound may be recorded in synchronization with photographing of road scenes. In addition, default values may be set in advance for parameters input by the input devices 5 and 5A.

In the configuration of the above embodiment, the camera 1 is the photographing means, the display device 7 is the display means, the video storage device 6 is the storage means, and the vehicle speed sensor 2 and the controller 8 are the distance detecting means and the vehicle speed detecting means. The GPS receiver 3 constitutes position detecting means, the input devices 5 and 5A constitute setting means and recording instruction means, and the controllers 8 and 8A constitute distance computing means, recording interval computing means, control means and sampling interval computing means. I do.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a first embodiment.

FIG. 2 is a flowchart illustrating an initialization process according to the first embodiment.

FIG. 3 is a flowchart illustrating a main program according to the first embodiment.

FIG. 4 is a flowchart illustrating a reproduction display routine according to the first embodiment.

FIG. 5 is a diagram illustrating a configuration of a second embodiment.

FIG. 6 is a flowchart illustrating an initialization process according to the second embodiment.

FIG. 7 is a flowchart illustrating a main program according to the second embodiment.

FIG. 8 is a flowchart illustrating a reproduction display routine according to the second embodiment.

[Explanation of symbols]

 Reference Signs List 1 camera 2 vehicle speed sensor 3 GPS receiver 4 road map storage device 5, 5A input device 6 video storage device 7 display device 8, 8A controller 81 buffer memory

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takeshi Ken Akatsuka 2 Takara-cho, Kanagawa-ku, Yokohama, Nissan Motor Co., Ltd. (72) Inventor Norimishi Kishi 2 Takaracho, Kanagawa-ku, Yokohama-shi, Kanagawa Nissan Motor Co., Ltd. (72) Inventor Kozo Nakamura 7-1-1, Omikacho, Hitachi City, Ibaraki Prefecture Inside Hitachi, Ltd.Hitachi Research Laboratory, Ltd. (72) Inventor Hiroyuki Satake 7-1-1, Omikamachi, Hitachi City, Ibaraki Prefecture Hitachi, Ltd. Inside Hitachi, Ltd. (72) Inventor Seiji Kishimoto 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture Inside Multimedia Systems Development Division, Hitachi, Ltd.

Claims (8)

[Claims] 1. A photographing means for photographing a situation around a vehicle, a display means for displaying an image, a storage means for storing an image, a distance detecting means for detecting a traveling distance, and a position for detecting a current position of the vehicle. Detecting means; setting means for setting a destination, a total recording time and one recording time; distance calculating means for searching a route to the destination and calculating a distance to the destination; Recording interval calculating means for calculating a recording distance interval based on time, the one recording time and the distance to the destination; and each time the distance detected by the distance detecting means reaches the recording distance interval, Control means for associating the surrounding situation of the vehicle photographed by the photographing means with the photographing position detected by the position detecting means during the recording time, and storing the photographing position in the storage means. Information collection display device. 2. The road information collection and display device according to claim 1, wherein the control unit is configured to determine whether a surrounding situation of the vehicle corresponding to a current position detected by the position detection unit is stored in the storage unit. Is a road information collecting and displaying device for reading out the surrounding state and reproducing and displaying the read out state on the display means. 3. A photographing means for photographing a situation around a vehicle, a display means for displaying an image, a storage means for storing an image, a vehicle speed detecting means for detecting a vehicle speed, and a position detection for detecting a current position of the vehicle. Means, setting means for setting a destination, a total recording time and a reference recording vehicle speed, distance calculating means for searching for a route to the destination and calculating a distance to the destination, A sampling interval calculating means for calculating a recording sampling interval based on a reference recording vehicle speed and a distance to the destination; a surrounding situation of a vehicle photographed by the photographing means for each of the recording sampling intervals; and a detection by the position detecting means. Road information characterized by comprising a control means for associating the photographed position with the vehicle speed detected by the vehicle speed detection means and storing the associated vehicle speed in the storage means. Collection display device. 4. The road information collection and display device according to claim 3, wherein the control unit is configured to determine whether a surrounding situation of the vehicle corresponding to a current position detected by the position detection unit is stored in the storage unit. Is a road information collecting and displaying device for reading out the surrounding state and reproducing and displaying the read out state on the display means. 5. The road information collecting and displaying device according to claim 3, wherein the sampling interval calculating means has a difference between a vehicle speed detected by the vehicle speed detecting means and the reference recording vehicle speed exceeding a predetermined value. In this case, a recording sampling interval is recalculated based on the total recording time, the vehicle speed detected by the vehicle speed detecting means, and the distance to the destination. 6. The road information collecting and displaying device according to claim 4, wherein the control unit is configured to control the vehicle information when the vehicle speed at the time of reproducing the vehicle surroundings is higher than the vehicle speed at the time of capturing the vehicle surroundings. A road information collection and display device for thinning out and displaying images of the surroundings of the vehicle stored in the storage means; 7. The road information collection and display device according to claim 1, further comprising: a recording instruction unit for photographing a surrounding situation of the vehicle at an arbitrary point. A road information collection and display device, wherein when a recording instruction is given by a recording instruction means, a surrounding situation of the vehicle at that point is stored in the storage means in association with a shooting position. 8. The road information collection and display device according to claim 1, wherein the control unit reduces the shooting distance interval or the recording sampling interval when approaching a destination. Road information collection and display device.