KR20130031016A - A method for saving of moving picture in car blackbox - Google Patents

Abstract

PURPOSE: An image storage method of a black box for vehicle is provided to automatically control the focus of a camera at an accident predicted position through the change of the camera, thereby sensing motion without a sensor or equipment for sensing vehicle movement. CONSTITUTION: A black box captures a forward and backward image with a constant time unit in images photographed by an image photographing unit. The black box compares pixels of captured images. The black box adjusts the setting of the camera or an angle of the camera in response to a change direction of the pixels. [Reference numerals] (AA) Start; (BB) Photographing and capturing image by time; (CC) Comparing a pixel of the captured image; (DD) Same image of the captured image by time?; (EE) Setting a camera or adjusting an angle for corresponding to the change direction of the pixel; (FF) Supplying power?; (GG) End

Description

Image storage method for vehicle black box {A METHOD FOR SAVING OF MOVING PICTURE IN CAR BLACKBOX}

The present invention captures a plurality of images over time through a black box for automobiles having image capturing means to capture images of different angles, and detects pixel changes of the current frame and the previous frame among the captured images. The present invention relates to an image storing method of a vehicle black box in which an angle of an image capturing means is determined according to a change direction of a pixel so as to capture an image.

In general, a black box for a vehicle can be used as a useful tool for screening drivers' inconveniences in the event of a traffic accident. The black box for a vehicle can be used to clearly understand an accident situation based on an image captured through a camera .

In addition, the vehicle black box has a function of recording data surrounding the vehicle for a predetermined time before and after an accident by using a shock sensor or the like while storing data.

In addition, in the case of a vehicle parked recently, damages caused by contact accidents, pedestrians, and the like frequently occur frequently, and in such a case, it is required to use imaging equipment.

In connection with such a technique, an image recording apparatus for a vehicle having an unmanned surveillance function is disclosed in Patent No. 990439, and the configuration thereof includes an image receiving unit 170 receiving an image captured by the camera; An image controller 140 configured to receive an image signal from the image receiver and configure an image to be stored; A recording / recording controller 130 which receives the image signal from the image controller and stores the image signal in a storage device; At least one motion sensor 30 for detecting movement around the parked vehicle; A power input unit 110 that receives power from the vehicle ACC power and the vehicle battery at the same time; A power supply unit 160 for supplying power supplied from the power input unit to a magnetic field related device such as a camera, an image receiving unit, a motion sensor; And controlling the power input unit so that power is supplied to the power supply unit only from the vehicle battery when the vehicle is turned off, and the peripheral device is activated by sensing by the motion sensor when the vehicle is turned off. The apparatus is set to selectively turn on the device, and when the motion sensor detects a movement, controls the camera to capture an image around the vehicle, and controls the image controller to store the captured image signal. It is configured to include an I / O control unit 120.

The power input unit measures a voltage of a battery transferred from the vehicle battery to the power supply unit while the vehicle is stopped. When the battery voltage measured by the power input unit is determined to be less than or equal to a preset threshold of the battery voltage, the I / O control unit is configured to block the power supply from the vehicle battery to prevent over discharge.

However, the black box as described above has a disadvantage in that shooting is difficult when an object approaches from a blind spot by using one camera.

In addition, even when a plurality of cameras are mounted on the black box, a plurality of cameras are operated at the same time, which makes it difficult to efficiently consume power.

An object of the present invention for improving the conventional problems as described above, to change the position of the camera to be able to automatically adjust the focus of the camera in the expected position of the accident, and to detect the movement of the vehicle separate sensors or equipment It is possible to detect motion without installing the system, and it is possible to save the image with simple configuration, to reduce the cost, to obtain accurate image of the site, and to selectively operate during parking and operation. To provide an image storage method of a vehicle black box that can be used efficiently.

In order to achieve the above object, the present invention captures a plurality of images over time through a black box for automobiles having image capturing means to capture images of different angles, and captures a plurality of images of the current frame and the current frame. The present invention provides a method of storing an image of a vehicle black box which detects a change of a pixel of a previous frame and determines an angle of an image photographing means according to a change direction of a pixel.

In addition, the image capturing means of the present invention provides an image storing method of a vehicle black box in which the position of the camera is initialized when there is no change in the pixel.

In addition, the black box of the present invention provides an image storing method of a vehicle black box in which an image capturing means is constituted by a plurality of cameras having different shooting angles, and is configured to store each photographed image.

In addition, the image capturing means of the present invention, when there is no pixel change of the image captured by the main camera, the image of the vehicle black box to shoot a plurality of images to compare the pixels while changing the angle of the secondary camera periodically and a certain angle Provide a storage method.

Subsequently, the black box of the present invention provides a method of storing an image of a black box for a vehicle in which a shooting time and angle are adjusted according to a main and stop mode and a driving mode in a configuration interlocked with a gear box and a start switch.

In addition, the image capturing means of the present invention, the camera is fixed to the casing supported on the base connected to the vehicle body as a motor is fixed to the casing while maintaining a different angle so as to shoot a different angle, so that the shooting angle changes when the motor rotates It provides a plurality of cameras, the image storage method of the vehicle black box is selected from among the cameras of which the angle is adjusted from the inside of the casing as an angle adjustment unit connected to the inside of the casing.

According to the present invention as described above, it is possible to change the position of the camera to automatically adjust the focus of the camera at the expected position of the accident, it is possible to detect the motion without installing a separate sensor or equipment to detect the movement of the vehicle, The simple configuration makes it possible to store images, reducing costs, obtaining accurate images of the site, and selectively operating during parking and operation.

1 is a block diagram showing a conventional video recording apparatus for a vehicle.
2 is a flowchart illustrating an image storage state of a black box according to the present invention.
3 is a plan view showing an image storage device to which the present invention is applied.
4 is a block diagram showing an image storage device to which the present invention is applied.
5 and 6 are cross-sectional views showing main parts of a camera for a black box to which an image storing method according to the present invention is applied.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a flowchart illustrating an image storage state of a black box according to the present invention, FIG. 3 is a plan view showing an image storage device to which the present invention is applied, and FIG. 4 is a view showing an image storage device to which the present invention is applied. 5 and 6 are sectional views showing main parts of a black box camera to which an image storing method according to the present invention is applied.

The present invention captures a plurality of images over time through the automobile black box 100 having the image capturing means 110 composed of at least one or more cameras 115 so as to capture images of different angles. To be installed.

The pixel change of the current frame and the previous frame captured in the captured image by the image capturing means 110 is sensed.

In addition, the angle of the image capturing means 110 is adjusted according to the pixel change direction of the captured frame to capture an image.

The image capturing means 110 initializes the position of the camera 115 when there is no pixel change of the captured image.

In addition, the image capturing means is constituted as a plurality of cameras 115 provided to have photographing angles α facing in opposite directions to each other, and are provided to store each photographed image.

In this case, the plurality of cameras 115 are set at an angle such that at least a part of the captured image overlaps.

In addition, the image capturing means 110 is provided so as to compare the pixels by capturing a plurality of images while the camera 115 angle is changed at regular and constant angles.

Subsequently, the image capturing means 110 is configured to work with the gearbox 310 and the start switch 330 to operate the variable unit 350, so that the photographing time and angle are changed according to the main and stop modes and the operation mode. Installed to adjust.

The variable unit 350 is installed such that the camera casing 355 is rotated as the motor 351 or the solenoid 353 so that the photographing angle is changed when the motor is rotated.

In this case, the variable unit 350 is installed on the inner side of the black box or installed at the connection portion of the black box, respectively, to adjust the angle of the camera to obtain a photographing screen at a different angle.

The operation of the present invention constructed as described above will be described.

As shown in Figures 2 to 6, the present invention uses an automobile black box 100 having an image capturing means 110 composed of at least one camera 115 so that image capturing at different angles is possible. In this case, it is possible to solve the problem that the captured image is not accurate at the blind spot.

In addition, the black box 100 captures the image before and after in a predetermined time unit so as to detect the pixel change of the current frame and the previous frame captured in the captured image by the image capturing means 110.

Subsequently, the angle of the image capturing means 110 is adjusted according to the pixel change direction of the captured frame so that the image is captured so that the angle of the camera is always adjusted to the optimum position.

In this case, when there is no pixel change of the captured image, the image capturing means 110 initializes the position of the camera 115 so that the image is taken at the center of the general direction of the vehicle.

In addition, the image capturing means is provided to have a photographing angle α in different directions when a plurality of the photographing means are provided in the black box 100, and have images overlapping each other when photographing, and the images are located in different quadrangles. Shooting is possible so that accurate images can be obtained.

In addition, the image capturing means 110 may be provided so as to compare pixels by capturing a plurality of images while the angle of the camera 115 changes periodically.

At this time, if there is a change in pixels during the image capturing by the image capturing means, the image is stopped at the local position.

Subsequently, the image capturing means 110 is configured to work with the gearbox 310 and the start switch 330 to operate the variable unit 350, so that the photographing time and angle are changed according to the main and stop modes and the operation mode. It is installed to adjust the center of the camera at the desired angle to obtain an accurate image.

In addition, the variable unit 350 is installed so that the camera casing 355 rotates as the motor 351 or the solenoid 353, so that the photographing angle is changed when the motor is rotated, so that the same effect can be realized.

In this case, the variable unit 350 is installed on the inner side of the black box or installed on the base portion 370 connecting the black box, respectively, so that the shooting angle is changed by rotating the camera to realize the same effect. It is possible.

100 ... black box 115 ... camera
310 ... gearbox 330 ... starting switch
350 ... variable unit

Claims (6)

 It captures and captures a plurality of images over time through a black box for cars equipped with image capturing means to capture images of different angles, and detects pixel changes in the current frame and the previous frame among the captured images. Image storage method of a vehicle black box, which is configured to take an image by determining an angle of the image photographing means according to a change direction of a pixel The method according to claim 1, wherein the image photographing means initializes the position of the camera when there is no change in the pixel of the photographed image. The method of claim 1, wherein the black box comprises an image capturing means configured as a plurality of cameras having different photographing angles, respectively, to store each photographed image. The method of claim 1, wherein the image photographing means, when there is no pixel change in the captured image of the main camera, the secondary camera angle is rotated by a predetermined angle periodically to shoot a plurality of images to compare the pixels, characterized in that Image storage method of car black box The method of claim 1, wherein the black box is configured to be interlocked with the gear box and the start switch so that the shooting time and angle are adjusted according to the main and stop modes and the driving mode. The camera of claim 1, wherein the image photographing means is fixed to a casing supported by a base connected to a vehicle body as a motor, wherein the photographing angle is changed when the motor is rotated.
A plurality of cameras each fixed to the casing while maintaining different angles to photograph different angles,
Image storage method of a black box for a vehicle, characterized in that any one selected from the camera of the angle adjustment unit is connected to the inside of the casing, the angle of the inside of the casing is adjusted.

Images