KR20130020126A - Display apparatus for assistance of driving a car - Google Patents

Abstract

PURPOSE: A display apparatus for the assistance of driving a car is provided to prevent accidents by guiding an optimal path, detecting the surroundings using a camera, and displaying the traffic conditions of a road ahead. CONSTITUTION: A display apparatus for the assistance of driving a car comprises an obstacle detection unit(10), an approaching material detection unit(11), eye point and eye gaze detection units(15,16), a car periphery determining unit(17), a display adjusting value output unit(18), and a display unit(19). The obstacle detection unit and the approaching material detection unit detect the location, the distance, the direction, and the speed of an obstacle and an approaching material by using a monitoring camera on the front of the car body. The eye point and eye gaze detection units are installed on a steering column to detect the eye point and the eye gaze of a driver by using a sensor for three-dimensional distance and location. The car periphery determining unit produces the traveling trajectory and provides the traffic conditions of the front lane and the opposite lane after receiving the acquired information. The display adjusting value output unit prepares the reference picture of the traveling trajectory and traffic conditions. The display unit converts the reference picture by applying the calculated value to match the reference picture with the eye gaze of the driver and subsequently displays the converted picture on a window shield glass. [Reference numerals] (10) Obstacle detection unit; (11) Approaching material detection unit; (12) Road monitoring information acquisition unit; (13) Car signal detection unit; (14) Path induction unit; (15) Driver eye position detection unit; (16) Driver sight detection unit; (17) Car periphery determining unit; (18) Display adjusting value output unit; (19) Display unit

Description

Display apparatus for assistance of driving a car}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle driving assistance display apparatus, and more particularly, to a vehicle driving assistance display apparatus capable of supporting an elderly person's vision.

Interest in the silver industry is increasing as the population of the elderly increases due to the development of the general economy and the medical industry.

In addition, the number of elderly people who drive is increasing rapidly as the spread of automobiles expands.

However, the elderly suffer from the deterioration of their senses and perceptions as their body ages, and the fatigue of even a little driving makes them less likely to notice the signals, manipulate the steering wheel properly, or make judgments about other cars and priorities. It is very likely to cause a breach or accident.

In particular, elderly people may have an accident due to a narrow field of view while driving, for example, pedestrians or bicycles popping out, or delayed recognition time of surrounding objects such as signals or signs.

The present invention has been invented to solve the above problems, which can suddenly pop out in front of the vehicle by using a camera for the front monitor mounted on the vehicle and the camera installed on the road for the purpose of road traffic information, crime prevention, etc. By guiding the path optimized for avoiding pedestrians and bicycles, and by displaying the road conditions in front of traffic jams or stopping, the elderly's senses and perceptions can be reduced and the safety can be prevented. An object thereof is to provide a vehicle driving assistance display device.

In order to achieve the above object, the vehicle driving assistance display apparatus according to the present invention uses a front monitor camera mounted on the vehicle to detect an obstacle and an approach of the vehicle and the position, distance, direction, and speed of the obstacle and approach to the vehicle. Water detection unit; A driver's eye position and gaze detection unit installed on the steering column toward the driver and detecting a position or distance of the driver's eyes and a driver's gaze by using a distance and position sensor; A vehicle periphery determination unit that detects a protrusion of a pedestrian / bicycle from the obstacle and the approach object detecting unit, calculates a driving trajectory for avoiding this, and presents a traffic situation in the front or the opposite lane; A display adjustment value calculation unit which generates a driving trajectory and a traffic condition calculated by the vehicle surrounding determination unit as a reference image and calculates a difference between the reference image and the actual scenery seen from the driver's eyes; And a display unit for converting an image by applying a difference value calculated from the display adjustment value calculator and displaying an image that matches the driver's field of view on a window shield glass, and includes a camera installed in a host vehicle or a camera installed on a road. It detects the surroundings, guides the optimized route, and displays the road traffic situation in front of the vehicle at the time of stopping or congestion to support the vision of the elderly, thereby preventing safety accidents.

In particular, it further comprises a road monitoring information acquisition unit for acquiring accident and refinement information, road regulation information, etc. using a camera installed for road traffic information, crime prevention and disaster prevention, and the road at the point of congestion through the road monitoring information acquisition unit. When the image is acquired or when the signal waits at the intersection, the road image on the opposite lane side is acquired and displayed on the window shielded glass.

The apparatus may further include a route guidance unit for guiding a route from the current location to the destination using the stationary navigation and the mobile navigation, wherein the vehicle peripheral determination unit receives the driving route information acquired through the route guidance unit and calculates a driving trajectory along the driving route. Characterized in that.

In addition, the vehicle signal detection unit for detecting a vehicle signal, such as steering angle, angular speed, vehicle speed, increase and decrease acceleration and direction indicator of the steering wheel, the vehicle peripheral determination unit receives a vehicle signal from the vehicle signal detection unit direction indication light when the path is not induced The driving trajectory for changing the course of the vehicle according to the signal is calculated.

The advantages of the vehicle driving assistance display device according to the present invention will be described below.

1. Acquire the pedestrian / bicycle, the position and relative speed of the opposite vehicle through each detection unit of the vehicle, calculate the driving trajectory by the vehicle peripheral determination unit using the acquired information, and use the display adjustment value calculation unit. By matching the driving trajectory seen from the eye with the driving trajectory displayed on the window shielded glass and the overhead view of the front and displaying the image through the display unit, information on the surrounding situation is consistently displayed with the driving trajectory displayed on the window shielded glass. By simplifying the acquisition of information, we can support the view of the elderly.

For example, it is possible to prevent safety accidents caused by not seeing pedestrians or bicycles popping out due to narrowing of vision of the elderly, or slowing time to recognize the surroundings such as signals and signs.

2. Through the overhead view of the vehicle on the opposite side of the window shielded glass, the driver's naked eye can see the position of the vehicle on the opposite side of the vehicle that is invisible.

3. It is possible to predict the traffic situation ahead through the overhead view of the vehicle in front of the window shielded glass, which can prevent secondary accidents and reduce the stress caused by the traffic jam.

1 is a block diagram showing the configuration of a vehicle driving assistance display device according to an embodiment of the present invention;
2 is a schematic diagram showing an example of vehicle driving support according to an embodiment of the present invention;

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention.

1 is a block diagram showing a configuration of a vehicle driving assistance display device according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing an example of vehicle driving assistance according to an embodiment of the present invention.

The present invention guides the optimized route through the surrounding sensing and infrastructure information in front of the vehicle, and displays the vehicle's driving support that can support the elderly's vision by displaying the road situation in front of the vehicle at the time of stopping and congestion (looking down from a high place). Relates to a device.

The driving support display device according to the present invention is an obstacle detecting unit 10, an approach object detecting unit 11, a driver's eye position detecting unit 15, a driver's eye detecting unit 16, and a road monitoring information obtaining unit 12 as detecting means. And a vehicle signal detection unit 13, a path guidance unit 14, a vehicle peripheral determination unit 17 as a control means, a display adjustment value calculation unit 18, and a display unit 19 as display means.

The obstacle detecting unit 10 has a front monitor camera (mounted toward the front of the vehicle), a radar, or the like mounted on the vehicle of the own vehicle, and the obstacle detection unit 10 uses a front monitor camera or a radar to detect an obstacle with respect to the own vehicle. Detect location, distance, obstacle speed, etc.

The approach detection unit 11 has a front monitor camera or a radar mounted in front of the vehicle so as to face the outside of the vehicle, and detects the position, direction, and speed of the approach object with respect to the own vehicle using the front monitor camera or the radar. .

The driver's eye position detection unit 15 is installed toward the driver in a steering column or inside a meter cluster, and has a sensor that can measure distance and position in three dimensions. Detect location or distance.

The driver's eye detection unit 16 is installed toward the driver in a steering column or inside a meter cluster, and has a sensor that can measure distance and position in three dimensions, and detects the driver's eye using a three-dimensional distance and position sensor. do.

The road monitoring information acquisition unit 12 may include accidents, congestion information, road regulation information, and the like by acquiring road traffic information or information such as a camera installed on the road for the purpose of crime prevention and disaster prevention.

The vehicle signal detection unit 13 detects vehicle signals such as steering angle, angular speed, vehicle speed, increase and decrease acceleration, direction indication of the steering wheel, and the like.

The route guidance unit 14 includes a stationary navigation device or a portable navigation device (PND), and has a function of inducing a route from a current location to a destination using a stationary navigation device or a PND.

The vehicle perimeter determination unit 17 receives the information acquired from the obstacle detection unit 10, the approach object detection unit 11, the road monitoring information acquisition unit 12, the vehicle signal detection unit 13, and the path guidance unit 14. 20) or show the direction of the vehicle and the traffic conditions of the opposite lane.

The vehicle surroundings determination unit 17 acquires and stores traffic information in advance through the route induction unit 14 such as navigation, and at this time, the range of traffic information acquired in advance is next to the current vehicle's location and moving route. It includes at least the intersection of and the road leading to the intersection.

Referring to the function and operation of the vehicle peripheral determination unit 17 as follows.

1) Path guidance: When the vehicle movement path is guided through the navigation, the trajectory is calculated along the vehicle movement path.

2) When the route is not inferred: When the driver himself selects and moves the route without using navigation, the straight path is displayed as a picture by deciding to go straight when the direction indicator light is turned off through the information obtained from the vehicle signal detection unit 13, Calculate the trajectory to change the course in the signal direction of the turn signal when the indicator light turns on.

In this case, the determination as to whether the direction is changed at the lane change or the intersection may be determined by acquiring the information from the road monitoring information acquisition unit 12 mounted on the path guidance unit 14.

3) If there is an obstacle in front of the own vehicle: If it is determined that there is no danger of collision on the opposite lane side, the trajectory to avoid toward the opposite lane side is calculated.

4) If there is an approach in front of the own vehicle: If the vehicle decelerates or determines that there is no danger of collision on the opposite lane side, calculate the trajectory avoiding to the opposite lane side.

For example, if a bicycle or the like suddenly pops out of the left or right concealment toward the front of the vehicle, it calculates the deceleration of the vehicle or the trajectory to avoid to the left or the right.

5) When waiting for a right turn (a vehicle equipped with a steering wheel on the right side) signal at an intersection: the road image of the opposite lane is acquired through the road monitoring information acquisition unit 12 and the like and displayed on the display unit 19.

6) When congestion occurs on a highway or the like on the route: The road image of the congestion point is acquired through the road monitoring information acquisition unit 12 and displayed on the display unit 19.

The display adjustment value calculation unit 18 creates a reference image such as the driving trajectory 20 or the traffic situation using the information received from the vehicle perimeter determination unit 17.

The reference image is created based on the eye position set in advance, and the display adjustment value calculation unit when the reference image differs from the eye position detected by the driver's eye position detection unit 15 and the driver's eye detection unit 16. Numeral 18 calculates a parameter for changing the image such that the reference image coincides with the driver's field of view.

For example, when there is a difference between the position of the driver's eye detected by the driver's eye position detecting unit 15, the screen of the display unit 19 is moved in the up / down / left / right direction or the direction of rotation is rotated about the axis.

In addition, when the direction of the gaze detected by the driver's gaze detection unit 16 is other than the front, the screen of the display unit 19 is rotated around the eye position by the difference.

The display unit 19 converts the image by applying the calculated value such that the reference image is matched with the driver's field of view to the window shield glass 21, and displays the converted image on the window shield glass 21.

Referring to the operation and effect of the driving support display device of the present invention by such a configuration as follows.

As shown in FIG. 2, the driving track tracks acceleration, deceleration, and stop by detecting a state of a pedestrian, a bicycle, a vehicle opposite, a signal or a sign in front of the vehicle through a front monitor camera or a radar mounted in front of the vehicle. As shown through the display unit 19 as shown in FIG.

Further, information is obtained from a camera or the like stored on a road, intersection, or the like, and the positional information of another vehicle is displayed on the display unit 19.

When the signal waits at the intersection, image information is acquired from a camera or the like provided at the intersection to display the road image on the opposite lane through the display unit 19.

In addition, when the road on the path in which the vehicle is moving is congested, the road image of the congestion point is acquired through the road monitoring information acquisition unit 12 and displayed on the display unit 19.

Accordingly, according to the present invention, the pedestrian / bicycle, the position and relative speed of the opposite vehicle, etc. are acquired through each detection unit of the vehicle, and the driving trajectory determination unit 17 uses the obtained information to determine the driving trajectory 20. The display adjustment value calculating unit 18 matches the driving trajectory 20 displayed on the window shield glass 21 with the driving trajectory 20 and the overhead view image displayed on the window shield glass 21 by matching the display unit 19. By displaying through), the information on the surrounding situation can be consistent with the driving trajectory 20 displayed on the window shield glass 21 to simplify the acquisition of information, thereby supporting the vision for the elderly.

For example, it is possible to prevent safety accidents caused by not seeing pedestrians or bicycles popping out due to narrowing of vision of the elderly, or slowing time to recognize the surroundings such as signals and signs.

In addition, through the overhead view of the opposite vehicle displayed on the window shield glass 21, the driver's naked eye can check the position of the opposite vehicle that is not visible and hidden by the shade of the vehicle opposite to the naked eye, thereby improving an accident prevention effect.

In addition, it is possible to predict the traffic situation in front of the vehicle through the overhead view of the front vehicle displayed on the window shield glass 21 to prevent secondary accidents and to reduce the stress caused by traffic jams.

10: obstacle detection unit
11: approach detection unit
12: road monitoring information acquisition unit
13: vehicle signal detection unit
14: route guidance unit
15: driver's eye position detection unit
16: driver's eye detection unit
17: vehicle peripheral determination unit
18: display adjustment value calculation unit
19: display unit
20: driving trajectory
21: Window Shield Glass

Claims (4)

Obstacle and approach detection units (10, 11) for detecting the position, distance, direction and speed of the obstacle and the approach to the vehicle using the front monitor camera mounted on the vehicle;
A driver's eye position and gaze detector 15 and 16 installed on the steering column toward the driver to detect the position or distance of the driver's eyes and the driver's gaze using distance and position sensors;
The vehicle peripheral determination unit 17 which detects the protrusion of the pedestrian / bicycle from the obstacle and the approach object detecting unit 10 and 11, calculates the driving trajectory 20 to avoid the obstacle, and presents the traffic situation of the front or the opposite lane 17. );
The display adjustment value calculation part 18 which produces | generates the driving trace 20 and traffic conditions computed by the said vehicle periphery determination part 17 as a reference image, and calculates the difference between this reference image and the real scenery seen from the driver's eyes. ; And
A display unit 19 for converting an image by applying the difference value calculated by the display adjustment value calculating unit 18 and displaying an image matching the driver's field of view on the window shield glass 21;
Vehicle driving support display device comprising a.
The method according to claim 1,
The road monitoring information acquisition unit 12 may further include road monitoring information acquisition unit 12 for acquiring accident and purification information, road regulation information, etc. using a camera installed for road traffic information, crime prevention, and disaster prevention. The vehicle driving assistance display device, characterized in that the road image of the congestion generation point is obtained or the road image on the opposite lane side is acquired and displayed on the window shielded glass 21 when the signal waits at the intersection.
The method according to claim 1,
The vehicle further includes a route guidance unit 14 for inducing a route from the current location to the destination by using the stationary navigation and the mobile navigation, and the vehicle peripheral determination unit 17 receives the driving route information acquired through the route guidance unit 14. A vehicle driving assistance display device, characterized in that the driving trajectory 20 is calculated along the driving route.
The method according to claim 1,
The vehicle signal detector 13 detects a vehicle signal such as a steering angle, an angular velocity, a vehicle speed, an increase or decrease acceleration, and a direction indication of the steering wheel, and the vehicle peripheral determination unit 17 includes a vehicle signal from the vehicle signal detection unit 13. And a driving trajectory 20 for changing the course of the vehicle according to a signal of a direction indicator when the path is not induced.

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