KR101515205B1 - Black box with guide function for direction tuning and method for tuning thereof - Google Patents

Black box with guide function for direction tuning and method for tuning thereof Download PDF

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Publication number
KR101515205B1
KR101515205B1 KR1020140005449A KR20140005449A KR101515205B1 KR 101515205 B1 KR101515205 B1 KR 101515205B1 KR 1020140005449 A KR1020140005449 A KR 1020140005449A KR 20140005449 A KR20140005449 A KR 20140005449A KR 101515205 B1 KR101515205 B1 KR 101515205B1
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KR
South Korea
Prior art keywords
black box
area
posture
vehicle
bonnet
Prior art date
Application number
KR1020140005449A
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Korean (ko)
Inventor
오진근
이재명
Original Assignee
한국산업기술대학교산학협력단
주식회사 티엔엔솔루션
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Priority to KR1020140005449A priority Critical patent/KR101515205B1/en
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Publication of KR101515205B1 publication Critical patent/KR101515205B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/037—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for occupant comfort, e.g. for automatic adjustment of appliances according to personal settings, e.g. seats, mirrors, steering wheel
    • B60R16/0373—Voice control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D41/00—Fittings for identifying vehicles in case of collision; Fittings for marking or recording collision areas
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • G07C5/085—Registering performance data using electronic data carriers
    • G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera

Abstract

The present invention relates to a black box with a guide function for direction adjustment and a method for adjusting a direction, more specifically, to a black box with a guide function for direction adjustment and a method for adjusting a direction, capable of easily adjusting the direction of a black box by analyzing images filmed by a camera. The present invention provides a method for adjusting the direction of a black box, including the steps of: (a) filming vehicle front images using a camera of the black box; (b) determining the range of a vehicle bonnet by analyzing the filmed images; (c) determining error of vertical direction of the black box by calculating the area of the vehicle bonnet range by comparing with standard value of predetermined certain bonnet range; (d) representing error level of vertical direction of the black box; (e) and adjusting the direction of the black box based on the representation. According to the present invention, inconvenience and incorrectness in accordance with the adjustment of the direction of the black box manually may be improved, functions of black box itself may be utilized without additional devices such as navigation, and the direction of the black box may be adjusted correctly without increasing system complexity or product unit price significantly.

Description

TECHNICAL FIELD [0001] The present invention relates to a vehicle black box having a posture adjustment guide function,

The present invention relates to a black box for a vehicle having a posture adjustment guide function and a method of adjusting the posture thereof. More specifically, the present invention relates to a black box for a vehicle having a function of easily guiding a posture of a black box by analyzing images taken by a camera And a posture adjusting method using the same.

Conventionally, a black box has been used for recording the state of an aircraft in flight. However, in recent years, in order to prepare for a dispute due to a traffic accident or the like, a black box system has been increasingly mounted not only on an aircraft but also on a vehicle such as an automobile. The black box system records information on the running condition of the vehicle and the accident situation. Accordingly, it is possible to make an objective judgment based on an accident based on the record stored in the black box in the event of a vehicle accident, and thus the cause of the accident can be clearly discriminated.

Conventionally, a conventional black box for a vehicle has been used by mounting a camera around a room mirror inside the vehicle or at the center of the upper surface of a dashboard for forward shooting. 1 illustrates a position where a black box is mounted in a normal vehicle. In many cases, the vehicle-mounted black box is mounted near the room mirror (point (A) in FIG. 1) to maximize the field of view, and may be mounted near the center of the upper surface of the dashboard (point (B) do. 2 illustrates a front image photographed in a normal black box for a vehicle. As shown in FIG. 2, the bonnet of the vehicle is typically photographed in a certain region of the lower end portion of the image photographed in the black box, and the forward running image of the vehicle is photographed thereon.

However, since the conventional black box for a vehicle is mounted on a vehicle, the posture of the black box is adjusted in the up-and-down direction and the left-right direction through manual operation. In order to adjust the posture or direction of the black box, a normal black box for a vehicle checks the images photographed in the mounted black box, determines whether the angle of the black box is appropriate, and manually adjusts the angle However, it is inconvenient to repeatedly adjust the image while checking the image, and there is a problem in that it is not easy to properly adjust the posture or direction of the black box by using the image even though the image can be confirmed from the standpoint of a general user who is a non- .

In order to solve such a problem, Korean Patent Registration No. 10-1001842 (registered on Dec. 10, 2010) discloses a storage unit for storing normal attitude data of a vehicle black box, a communication unit for communicating with the vehicle black box, And a controller for analyzing the data received from the box to acquire the current attitude data and determining whether the stored normal attitude data and the obtained current attitude data coincide with each other to calibrate the position of the vehicle black box A method is disclosed. However, in the case of using the navigation system for vehicles as described above, it is necessary to interlock with the black box to increase the complexity of the system, so that the price of the product can be increased, and the black box is a machine for photographing, , The vehicle navigation is not an image processing apparatus, so that a considerable system load may be increased to process the black box image to acquire the attitude information of the black box as described above. Further, only the black box is used without the navigation There is a problem in that it is difficult to apply it.

Accordingly, it is possible to improve the inconvenience and inaccuracy of the black box in adjusting the posture of the black box, and to realize the function of the black box itself without a separate device such as navigation or the like. Further, There is a continuing need for a method of adjusting a posture of a black box for a vehicle that can accurately adjust the attitude of the black box and a vehicle black box using the same.

Disclosure of Invention Technical Problem [8] The present invention has been made to solve the above problems of the prior art, and it is an object of the present invention to improve the discomfort and inaccuracy of manual operation of the black box, And it is an object of the present invention to provide a method of adjusting a posture of a black box for a vehicle and a vehicle black box using the same, which can precisely adjust the attitude of the black box without increasing the complexity of the system or the product cost.

According to one aspect of the present invention, there is provided a method of adjusting a posture of a black box for a vehicle, the method comprising: (a) photographing a vehicle front image with a camera of a black box; (b) analyzing the photographed image to determine an area of the vehicle bonnet; (c) calculating an area of the vehicle bonnet area and comparing the area with the predetermined bonnet area reference value to determine an error in the vertical posture of the black box; (d) displaying a degree of error of the vertical posture of the black box; And (e) adjusting a posture of the black box based on the display.

Here, before step (a), (p) may further include adjusting a horizontal posture of the black box.

The step (p) may further include the steps of: (p1) photographing a vehicle front image with a camera of a black box; (p2) analyzing the photographed image to determine a region of the vehicle bonnet; (p3) calculating an area of the left side area and the right side area based on a center line of the vehicle bonnet area and comparing the calculated area to determine an error of a horizontal posture of the black box; (p4) displaying the degree of error of the horizontal posture of the black box; And (p5) adjusting the posture of the black box based on the display.

In addition, in the step (c), a value input by the user as the predetermined bonnet area reference value may be used, or a previously calculated value may be used in consideration of the mounting position of the black box and the type of the vehicle.

In the step (d), if the area of the vehicle bonnet area is larger than the predetermined reference value of the bonnet area, a predetermined click sound is produced. If the area of the vehicle bonnet area is smaller than the predetermined reference value of the bonnet area, The error of the vertical posture of the black box is displayed by giving a higher or lower frequency tone, and when the error of the vertical posture of the black box is within the standard range, it can be displayed using voice or another sound.

According to another aspect of the present invention, there is provided a method of adjusting a posture of a black box for a vehicle, the method comprising the steps of: (i) photographing a vehicle front image with a camera of a black box; (j) analyzing the photographed image to determine an area of the vehicle bonnet; (k) calculating an area of a left side area and a right side area based on a centerline of the vehicle bonnet area and comparing the calculated area to determine an error of a horizontal posture of the black box; (1) displaying the degree of error of the horizontal posture of the black box; And (m) adjusting a posture of the black box based on the display.

If the area of the left side area of the vehicle bonnet is smaller than the area of the right side area in the step (l), a predetermined click sound is generated. If the area of the left side area of the vehicle bonnet is smaller than the right side area, And the error of the horizontal posture of the black box is displayed. When the error of the horizontal posture of the black box is within the standard range, it can be displayed by using voice or another sound.

A black box for a vehicle according to another aspect of the present invention includes: a camera; A black box posture determiner for calculating an area of the vehicle bonnet area from the image of the camera and comparing an area of the vehicle bonnet area with a predetermined reference value of the bonnet area to calculate an error of the vertical posture of the black box; And a black box posture indicator for displaying an error of the calculated black box posture.

Here, the predetermined bonnet area reference value may be a value input by a user, a value previously calculated in consideration of a mounting position of a black box, and a type of a vehicle.

When the area of the vehicle bonnet area is smaller than a predetermined bonnet area reference value, the black box posture indicator displays a predetermined phoneme when the area of the vehicle bonnet area is larger than a predetermined bonnet area reference value, The error of the vertical posture of the black box is displayed by giving a higher or lower frequency tone, and when the error of the vertical posture of the black box is within the standard range, it can be displayed using voice or another sound.

The black box posture determiner may also determine an error in the horizontal posture of the black box by calculating and comparing respective areas of the left side area and the right side area with reference to the center line of the vehicle bonnet area.

A black box for a vehicle according to another aspect of the present invention includes: a camera; Calculating a black box posture for calculating an error of a horizontal posture of the black box by calculating and comparing respective areas of a left side area and a right side area based on a center line of the vehicle bonnet area after calculating a vehicle bonnet area from the image of the camera group; And a black box posture indicator for displaying an error of the calculated black box posture.

When the area of the left area of the vehicle bonnet is smaller than the area of the right area, the black box posture indicator displays a predetermined sound when the area of the left area of the vehicle bonnet is larger than the area of the right area, And the error of the horizontal posture of the black box is displayed. When the error of the horizontal posture of the black box is within the standard range, it can be displayed by using voice or another sound.

According to the present invention, after calculating the car bonnet area from the image of the camera, the area of the car bonnet area is compared with a predetermined bonnet area reference value, or the left and right sides of the car bonnet area The area of the black box is compared to calculate the error of the vertical or horizontal posture of the black box and displayed by voice or sound and then the posture of the black box is adjusted on the basis thereof to manually adjust the posture of the black box It is possible to improve the inconvenience and inaccuracy of the black box and to realize the function of the black box itself without any additional device such as navigation and furthermore, A method of adjusting a posture of a vehicle black box which can be adjusted Using it is possible to provide a vehicle black box.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicle interior showing a mounting position of a conventional black box for a vehicle. FIG.
2 is an exemplary view of a front image photographed in a usual black box for a vehicle.
3 is a flowchart of a camera posture adjusting method of a black box for a vehicle according to an embodiment of the present invention.
4 is an explanatory diagram of a vertical posture adjusting method of a black box for a vehicle according to an embodiment of the present invention.
5 is an exemplary view of a captured image of a black box camera in the case of FIG.
6 is an explanatory diagram of a horizontal posture adjusting method of a black box for a vehicle according to an embodiment of the present invention.
FIG. 7 is an exemplary view of a photographed image of a black box camera in the case of FIG. 6;
8 is a block diagram of a vehicle black box having a posture adjustment guidance function according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments will be described in detail below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms, and the terms are used only for the purpose of distinguishing one component from another Is used.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a black box for a vehicle, which is mounted on a vehicle and manually adjusts the posture of the black box in the vertical direction and the left- On the other hand, a method of calibrating the position of a vehicle black box using vehicle navigation has been disclosed. However, in this case, the complexity of the system increases, the product unit price may increase, the system load may be increased, It is difficult to apply it to a case where only a black box is used.

Accordingly, the present invention can improve the inconvenience and inaccuracies caused by manually adjusting the attitude of the black box, and can be realized by the function of the black box itself without a separate device such as navigation, The present invention is also directed to a method of adjusting a posture of a black box of a vehicle and a vehicle black box using the same, which can precisely adjust the attitude of the black box without increasing the complexity of the system or the product cost.

FIG. 3 shows a flowchart of a camera posture adjustment method for a vehicle black box according to an embodiment of the present invention. As shown in FIG. 3, the method of adjusting the camera posture of a black box for a vehicle according to an embodiment of the present invention includes photographing a vehicle front image with a camera (S310), analyzing the captured image, A step S330 of comparing the area of the vehicle bonnet area with a predetermined reference value of the bonnet area or comparing the area of the vehicle bonnet with the center line of the vehicle bonnet area to determine the posture of the black box, Displaying the degree of error of the vertical or horizontal posture of the black box with voice or sound (S340), and adjusting the posture of the black box with reference to the voice or sound (S350).

Below, as shown in FIG. 4, a method of adjusting the camera posture of a black box for a vehicle according to an embodiment of the present invention, for example, a black box mounted in the vicinity of a room mirror (point (A) We divide it into each step and look in detail.

The case where the black box is mounted near the center of the upper surface of the dashboard (the position (B) in FIG. 1) will be described in the following. It is possible to apply the present invention without any difficulty to those having ordinary skill in the art to which the present invention belongs.

First, a step S310 of photographing a forward vehicle image with a camera will be described. In this step, the forward image of the vehicle is photographed by the camera provided in the black box. 2, the bonnet of the vehicle is positioned in a certain area of the lower end of the image, and the image of the front of the vehicle, which is photographed within the viewing angle of the camera, is positioned thereon. The image captured in this step is used to determine the posture of the black box and its error in the subsequent series of steps. This step can be easily implemented and executed in accordance with the prior art, so it will not be discussed in detail here.

Next, a step S320 of recognizing the car bonnet area by analyzing the photographed image will be discussed. In this step, the vehicle front area image captured by the camera of the black box is analyzed to recognize the vehicle bonnet area. In this case, it is possible to use a conventional image processing technique such as an outline extraction. This step can also be easily implemented and executed according to the prior art, so it will not be discussed in detail here.

Next, a description will be made of a step S330 of comparing the area of the vehicle bonnet area with a predetermined reference value of the bonnet area, or comparing the area of the vehicle bonnet with the center line of the vehicle bonnet area to determine the posture of the black box.

Since a normal black box has a structure in which the posture can be adjusted in the vertical direction and the lateral direction, a case in which the posture in the vertical direction and the lateral direction is misaligned will be described separately below.

First, a case in which the attitude of the black box is shifted from the vertical direction to the vertical direction will be examined. As can be seen from Fig. 4, a comparison is made between the case where the attitude of the black box is appropriate (Fig. 4 (A)) and the case where the attitude of the black box is shifted in the lower direction (Fig. 4 (B)). On the other hand, FIG. 5 shows captured images of a black box camera for each of the above cases.

When the posture of the black box is appropriate (Fig. 4 (A)), the image taken by the camera of the black box has the vehicle bonnet region located at a predetermined portion at the lower end portion of the image as shown in Fig. 5 (A) When the attitude of the box is shifted downward (Fig. 4 (B)), the area occupied by the vehicle bonnet becomes larger as shown in Fig. 5 (B). Therefore, when the attitude of the black box is appropriate (FIG. 4 (A)), the image of the case where the attitude of the black box is misaligned (FIG. 4 (B) It is possible to judge whether the attitude of the black box is shifted in the upper direction or shifted in the lower direction if the area is calculated and compared. Similarly, when the posture of the black box is deviated toward the upper direction, the vehicle bonnet area of the captured image of the black box camera is reduced or disappear, so that it is possible to judge whether the black box is deviated in the upper direction based on this, The degree can be calculated.

In this case, the area of the vehicle bonnet area, which serves as a reference for determining whether the vertical posture of the black box is appropriate, may vary depending on the mounting position of the black box, the type of vehicle, etc. Therefore, It can be calculated and stored in the black box, or the user can input the appropriate value and use it as a reference.

Next, the case where the attitude of the black box is shifted in the horizontal direction or in the horizontal direction will be examined. As can be seen from Fig. 6, comparison is made between the case where the attitude of the black box is appropriate (Fig. 6 (A)) and the case where the attitude of the black box is shifted to the left side (Fig. 6 (B)). On the other hand, FIG. 7 shows images taken by a black box camera for each of the above cases.

In a case where the attitude of the black box is appropriate (Fig. 6 (A)), the image taken by the camera of the black box has the vehicle bonnet region located at a predetermined portion at the lower end of the image as shown in Fig. 7 (A) When the posture of the box is shifted to the left (Fig. 6 (B)), the vehicle bonnet is shifted to the right side of the image as shown in Fig. 6 (B). Therefore, when the posture of the black box is appropriate (Fig. 6 (A)), the areas of the left area and the right area have similar values based on the area based on the center line of the vehicle bonnet area, (FIG. 6B), the area of the left area and the area of the right area are different from each other with respect to the center line of the vehicle bonnet area, so that the posture of the black box is shifted leftward or rightward . ≪ / RTI >

Next, a step S340 of displaying the degree of error of the vertical or horizontal posture of the black box with voice or sound will be described. In this step, the error of the vertical or horizontal posture calculated through the series of steps is displayed to the black box user through voice or sound. In this case, the information is not necessarily transmitted through voice or sound, but may be transferred to an external video signal to be displayed on an external display, or may be displayed by blinking an LED or the like provided in a black box May be used. However, when an external video signal is used, it can be used only when there is an external display. In the case of using an LED or the like, it may be difficult to effectively display and transmit the attitude information of the black box. It is more preferable to display it by using an acoustic device such as a speaker included.

The manner in which the attitude information of the black box is displayed will be described in more detail with reference to a case where the vertical posture of the black box is shifted. In this case, when the area of the vehicle bonnet area is larger than the predetermined reference value of the bonnet area (that is, when the black box is shifted toward the lower end), a predetermined click sound is generated. On the contrary, (In other words, when the black box is shifted to the upper direction), it is possible to display the error of the vertical posture of the black box by emitting a pulse of a frequency higher or lower than the predetermined phoneme. Accordingly, the black box user can adjust the posture of the black box in the upper or lower direction with reference to the sound.

When the error of the vertical posture of the black box falls within the standard range, it is possible to notify that the posture of the black box has been adjusted appropriately by displaying using a voice or voice different from the voice when the posture is misaligned.

Further, as the black box user adjusts his / her posture, the sound or voice such as the phonemic tone is changed immediately by reflecting the new posture information, so that the user can perform the adjustment while hearing the sound or voice, , The adjustment may be ended by displaying using another sound or voice.

Further, even if the horizontal posture of the black box is deviated, it is not so different from the case of adjusting the posture in the vertical direction. However, it is preferable that the user can easily distinguish the black box by using a phasing sound of a different frequency different from the frequency of the calling phasing sound when the posture in the horizontal direction of the black box is shifted or by using another sound or voice Do.

Next, a step of adjusting the posture of the black box on the basis of the voice or sound (S350) will be described. As described above, the black box user can determine whether or not the error of the black box posture is due to voice or sound, so that the user can easily and accurately adjust the posture of the black box by adjusting the black box vertically or horizontally do.

Further, in consideration of the case where the black box is deviated in both the vertical direction and the horizontal direction, it is preferable to adjust the vertical direction after adjusting the horizontal direction of the black box first. When adjusting the vertical direction first and then the horizontal direction, the area of the vehicle bonnet area that matches the predetermined bonnet area reference value previously determined as the vertical direction adjustment can be changed again, This is because it may occur.

Further, the series of steps may be performed in a specific operation mode of the black box (for example, a black box initial operation mode or a black box mounting mode), or the black box may determine its own posture from time to time, To provide information to the user.

8 is a block diagram of a vehicle black box 800 having a posture adjustment guidance function according to an embodiment of the present invention. 8, the vehicle black box 800 having the posture adjustment guidance function according to an embodiment of the present invention calculates the area of the vehicle bonnet area from the image of the camera 810, the camera 810, A black box posture determiner 820 for calculating an error of a vertical posture of the black box by comparing with a predetermined bonnet area reference value and a black box posture indicator 830 for displaying the calculated error of the black box posture, As shown in FIG.

Here, the predetermined bonnet area reference value may be a value input by the user, or a value stored in the black box, which is calculated in advance in consideration of the mounting position of the black box and the type of the vehicle.

More specifically, if the area of the vehicle bonnet area is greater than a predetermined value of the bonnet area, the black box posture indicator 830 outputs a predetermined tone, and if the area of the vehicle bonnet area is smaller than a predetermined bonnet area reference value The error of the vertical posture of the black box is displayed by outputting a phoneme of a frequency higher or lower than the predetermined phoneme, and when the error of the vertical posture of the black box is within the standard range, Lt; / RTI >

In addition, the black box posture determiner 820 calculates the area of the left area and the area of the right area based on the center line of the vehicle bonnet, It is also possible to determine the error of the horizontal posture of the box.

The vehicle black box 800 having the posture adjustment guidance function according to an embodiment of the present invention calculates the vehicle bonnet area from the image of the camera 810 and the camera 810, A black box posture determiner 820 for calculating an error of the horizontal posture of the black box by calculating and comparing the areas of the left and right areas on the basis of the calculated black box posture, And an attitude indicator 830.

When the area of the left area of the vehicle bonnet is greater than the area of the right area, the black box posture indicator 830 outputs a predetermined sound. When the area of the left area of the vehicle bonnet is smaller than the area of the right area And displays the error of the horizontal posture of the black box by outputting a phoneme of a frequency higher or lower than the predetermined phoneme. When the error of the horizontal posture of the black box is within the standard range, . ≪ / RTI >

The vehicle black box 800 having the posture adjustment guidance function according to the embodiment of the present invention can be operated in the same manner as the posture adjustment method of the vehicle black box having the posture adjustment guidance function according to the embodiment of the present invention I do not describe it repeatedly here.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments described in the present invention are not intended to limit the technical spirit of the present invention but to illustrate the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

800: Car black box with orientation control function
810: Camera
820: Black box posture determiner
830: Black box attitude indicator

Claims (13)

(a) photographing a vehicle forward image with a camera of a black box;
(b) analyzing the photographed image to determine an area of the vehicle bonnet;
(c) calculating an area of the vehicle bonnet area and comparing the area with the predetermined bonnet area reference value to determine an error in the vertical posture of the black box;
(d) displaying a degree of error of the vertical posture of the black box; And
(e) adjusting the posture of the black box on the basis of the display. The method according to claim 1,
Prior to step (a)
(p) adjusting the posture of the black box in the horizontal direction. 3. The method of claim 2,
The step (p)
(p1) photographing a forward vehicle image with a camera of a black box;
(p2) analyzing the photographed image to determine a region of the vehicle bonnet;
(p3) calculating an area of the left side area and the right side area based on a center line of the vehicle bonnet area and comparing the calculated area to determine an error of a horizontal posture of the black box;
(p4) displaying the degree of error of the horizontal posture of the black box; And
(p5) adjusting the posture of the black box on the basis of the display. The method according to claim 1,
In the step (c)
Wherein a value input by a user is used as the predetermined bonnet area reference value or a value calculated in advance in consideration of a mounting position of a black box and a type of a vehicle are used. The method according to claim 1,
In the step (d)
When the area of the vehicle bonnet area is larger than a predetermined bonnet area reference value,
When the area of the vehicle bonnet area is smaller than a predetermined reference value of the bonnet area, an error of a vertical posture of the black box is displayed by emitting a ringing tone having a frequency higher or lower than the predetermined phoneme,
And when the error of the vertical posture of the black box is within the standard range, the voice is displayed using voice or another sound. delete delete camera;
A black box posture determiner for calculating an area of the vehicle bonnet area from the image of the camera and comparing an area of the vehicle bonnet area with a predetermined reference value of the bonnet area to calculate an error of the vertical posture of the black box; And
A black box posture indicator for displaying an error of the calculated black box posture
And a black box for a vehicle. 9. The method of claim 8,
Wherein the predetermined bonnet area reference value is a value input by a user or a value calculated in advance in consideration of a mounting position of a black box and a type of a vehicle. 9. The method of claim 8,
Wherein the black box posture indicator comprises:
When the area of the vehicle bonnet area is larger than a predetermined bonnet area reference value,
When the area of the vehicle bonnet area is smaller than a predetermined reference value of the bonnet area, an error of a vertical posture of the black box is displayed by emitting a ringing tone having a frequency higher or lower than the predetermined phoneme,
And when the error of the vertical posture of the black box is within the standard range, the voice is displayed using voice or another sound. 9. The method of claim 8,
The black box posture determiner includes:
Wherein an error of a horizontal posture of the black box can be determined by calculating and comparing respective areas of a left side region and a right side region with reference to a center line of the vehicle bonnet region. delete delete
KR1020140005449A 2014-01-16 2014-01-16 Black box with guide function for direction tuning and method for tuning thereof KR101515205B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06215134A (en) * 1993-01-19 1994-08-05 Aisin Seiki Co Ltd Preprocessing method for on-vehicle picture data to be recognized
KR20020078826A (en) * 2001-04-10 2002-10-19 현대자동차주식회사 Calibration method of active safety system using Camera, and error detection method of the system
JP2006327495A (en) * 2005-05-27 2006-12-07 Denso Corp Infinite point determination device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06215134A (en) * 1993-01-19 1994-08-05 Aisin Seiki Co Ltd Preprocessing method for on-vehicle picture data to be recognized
KR20020078826A (en) * 2001-04-10 2002-10-19 현대자동차주식회사 Calibration method of active safety system using Camera, and error detection method of the system
JP2006327495A (en) * 2005-05-27 2006-12-07 Denso Corp Infinite point determination device

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