KR101675557B1 - Vehicle control method and apparatus using light pattern image - Google Patents

Vehicle control method and apparatus using light pattern image Download PDF

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Publication number
KR101675557B1
KR101675557B1 KR1020150078034A KR20150078034A KR101675557B1 KR 101675557 B1 KR101675557 B1 KR 101675557B1 KR 1020150078034 A KR1020150078034 A KR 1020150078034A KR 20150078034 A KR20150078034 A KR 20150078034A KR 101675557 B1 KR101675557 B1 KR 101675557B1
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KR
South Korea
Prior art keywords
vehicle
light pattern
predetermined
light emitting
light
Prior art date
Application number
KR1020150078034A
Other languages
Korean (ko)
Inventor
한영인
Original Assignee
주식회사 케이에스에스이미지넥스트
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Priority to KR1020150078034A priority Critical patent/KR101675557B1/en
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Publication of KR101675557B1 publication Critical patent/KR101675557B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/1004—Alarm systems characterised by the type of sensor, e.g. current sensing means
    • B60R25/1012—Zone surveillance means, e.g. parking lots, truck depots
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/18—Locks for luggage compartments, car boot lids or car bonnets for car boot lids or rear luggage compartments
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation

Abstract

The present invention relates to a method and an apparatus for controlling a vehicle using a light pattern image. The apparatus according to an embodiment of the present invention comprises: a light emitting unit mounted on a vehicle to irradiate a predetermined light pattern; a camera mounted on the vehicle to photograph an area irradiated with the light pattern; and a control unit which controls the vehicle to allow the vehicle to perform a predetermined movement when determining that there is a deformation in the light pattern displayed in an area photographed by the camera, wherein the control unit can control the vehicle such that the vehicle performs the predetermined movement when there is deformation in the light pattern and a smart key of the vehicle is located in a predetermined range from the vehicle. More particularly, the trunk of the vehicle is automatically opened even if a user with the smart key does not intentionally make a movement, e.g., raising a leg or the like to be detected by an ultra-red sensor while moving to a rear side of the vehicle and operation of the vehicle can be more accurately controlled by combination of the smart key detection and the light pattern photographing image change detection. Moreover, the movement of the vehicle is customized and accurately controlled in accordance with setting of the relative distance or position of the vehicle irradiating the light pattern through the light emitting unit mounted thereon.

Description

TECHNICAL FIELD [0001] The present invention relates to a vehicle control method and apparatus using an optical pattern image,

The present invention relates to a vehicle control method and apparatus, and more particularly, to a method and apparatus for controlling a vehicle using an image of a light pattern irradiated by a light emitting unit mounted on a vehicle.

The vehicle is provided with a trunk capable of loading cargo. The opening and closing of the trunk is performed by driving an actuator through operation of a switch provided at a predetermined position around the driver's seat or by operating a key box provided on the trunk lid from outside the vehicle .

Further, the trunk is opened by operating the trunk open key provided in the smart key.

However, there is a disadvantage that the trunk can not be opened in a situation where the driver (user) holds a load on both hands and the use of the hand is not free.

Therefore, in order to open the trunk with the luggage loaded in both hands, the luggage is put down and the trunk is opened directly, and then the luggage placed on the trunk is taken to be carried on the trunk.

In addition, it is possible to cause a back injury in the course of dropping and reloading a heavy load. In case of rainy weather or dirty floor around a parked vehicle, the load may be contaminated when the load is lowered to open the trunk.

Recently, various techniques for automatically opening a trunk have been developed in order to solve the aforementioned drawbacks.

Korean Unexamined Patent Publication No. 2002-0062115 discloses a trunk automatic opening control method for an automobile in which a trunk is automatically opened by detecting a foot operation of a user having a smart key to increase the convenience of trunk use by freeing the user's hand have. However, in Korean Patent Publication No. 2012-0062115, in a state where the first and second infrared detectors are separated from each other by a predetermined distance or more, a foot is positioned and recognized at a position where motion is first detected by the first infrared sensor, It is necessary to move the foot to the place where the motion is detected and recognize it.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a method and apparatus for controlling a vehicle using an image of a light pattern irradiated by a light emitting unit mounted on a vehicle.

According to an aspect of the present invention, there is provided a vehicle control apparatus including a light emitting unit mounted on a vehicle and emitting a predetermined light pattern, a camera mounted on the vehicle for photographing an area irradiated with the light pattern, And a control unit for controlling the vehicle to perform a predetermined operation when it is determined that there is a deformation in the light pattern displayed in the area photographed by the camera.

The control unit may control the vehicle to perform the predetermined operation when the light pattern is deformed and the smart key of the vehicle is located within a certain range from the vehicle.

The predetermined operation may be a trunk opening operation of the vehicle.

Wherein the control unit controls the light emitting unit to irradiate the predetermined light pattern for a predetermined time from the time when the smart key is determined to have moved from the inside of the vehicle to the outside of the vehicle, It is possible to judge whether the displayed light pattern is deformed.

The control unit may cause the trunk opening operation of the vehicle to be performed when the light pattern is deformed while the vehicle is parked.

The light emitting unit is mounted at a predetermined position of the rear portion of the vehicle and irradiates the light pattern toward the ground. The camera is mounted at a predetermined position of the rear portion of the vehicle, and photographs the ground where the light pattern is irradiated.

According to another aspect of the present invention, there is provided a vehicle control method including: irradiating a predetermined light pattern; photographing an area irradiated with the light pattern; And controlling the vehicle to perform a predetermined operation when it is determined that the light pattern is deformed.

According to another aspect of the present invention, there is provided a computer-readable recording medium recording a program for causing a computer to execute any one of the methods.

According to the present invention, there is an advantage that the trunk is automatically opened without consciously taking an action to lift the foot and detect it by the infrared sensor while the user carrying the smart key moves to the rear of the vehicle.

In addition, there is an advantage that more accurate vehicle operation control becomes possible by combining smart key detection and optical pattern image sensing change operation.

Further, there is an advantage that the operation of the vehicle can be more accurately and accurately controlled according to the setting of the distance and the position of the light pattern illuminated by the light emitting unit mounted on the vehicle relative to the vehicle.

1 is a block diagram showing a configuration of a vehicle control apparatus according to an embodiment of the present invention.
Fig. 2 is a diagram showing the configuration of the light emitting portion of Fig. 1 in more detail.
3 is a diagram illustrating an example in which a user is approached near a rear portion of a vehicle using an optical pattern image taken according to an embodiment of the present invention.
4 is a flowchart illustrating a vehicle control method according to an embodiment of the present invention.

Hereinafter, 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 control apparatus according to an embodiment of the present invention.

Referring to FIG. 1, a vehicle control apparatus according to the present invention may include a light emitting unit 110, a camera 120, a wireless communication unit 130, a control unit 140, and a vehicle functioning unit 150.

The light emitting unit 110 has a light emitting element such as a light emitting diode (LED), and is mounted on the vehicle and performs a function of irradiating a predetermined position, for example, a predetermined light pattern on the ground where the vehicle is parked. The LED provided in the light emitting portion 110 can emit light having a specific color such as red, blue, and the like.

Fig. 2 is a diagram showing the configuration of the light emitting portion of Fig. 1 in more detail.

Referring to FIG. 2, the light emitting unit 110 may include an LED module 111, a light pattern forming unit 113, and a lens unit 115.

The light irradiated from the LED module 111 has a specific light pattern P while passing through the light pattern forming portion 113. In FIG. 2, it is illustrated that a narrow linear gap is formed in the light pattern forming portion 113, but it is also possible to form a lattice-like gap depending on the case. Depending on the pattern of the gap formed in the light pattern forming portion 113, The shape of the light pattern irradiated by the unit 110 can be changed. On the other hand, the area irradiated through the lens unit 115 may be enlarged after the light emitted from the LED module 111 passes through the optical pattern forming unit 113. The light emitting unit 110 may be implemented by other devices capable of forming a specific light pattern in a predetermined area in addition to those illustrated in FIG.

The vehicle function operating unit 150 may include all devices related to various functions provided in the vehicle, but may include a trunk opening drive unit for opening a trunk provided in the vehicle.

The trunk opening drive unit may perform a trunk opening operation under the control of the controller 140. For example, the trunk opening driver may open the trunk open / close switch when receiving the trunk open signal from the controller 140, or may include a mechanical configuration for lifting the trunk upward.

On the other hand, the light emitting unit 110 can be installed to illuminate a light pattern on the ground where a person approaches to open the trunk when the vehicle function operating unit 150 is the trunk open driving unit. For example, when the trunk is located at the rear portion of the vehicle, it is preferable that the light emitting portion 110 is mounted at a predetermined position on the rear portion of the vehicle so as to irradiate the light pattern toward the ground on the rear side of the vehicle. Of course, when the trunk is located at the front portion of the vehicle, the light emitting portion 110 may be mounted at a predetermined position on the front of the vehicle so as to irradiate a light pattern toward the front of the vehicle. In addition, according to the embodiment, the light emitting unit 110 may be mounted at a proper position of the vehicle to irradiate a predetermined area with a light pattern.

The camera 120 is mounted on a vehicle and performs a function of acquiring an image of a light pattern irradiated by the light emitting unit 110. For this purpose, the camera 120 is preferably installed in the vicinity of the position where the light emitting unit 110 is installed. For example, when the light emitting portion 110 is provided at the rear portion of the vehicle so as to irradiate a light pattern toward the ground, the camera 120 can also be provided at the rear portion of the vehicle to photograph a light pattern irradiated on the ground.

The wireless communication unit 130 can transmit and receive a wireless signal through a radio frequency (RF) or low frequency (LF) communication with the smart key of the vehicle. Of course, it is also possible for the smart key of the vehicle to communicate with the wireless communication unit 130 using a short-range wireless communication method other than RF / LF.

3 is a diagram illustrating an example in which a user is approached near a rear portion of a vehicle using an optical pattern image taken according to an embodiment of the present invention.

When the light emitting unit 110 is implemented to generate a linear light pattern as illustrated in FIG. 2, a linear light pattern P may be irradiated to the ground as illustrated in FIG. 3 (a).

On the other hand, when the driver moves his / her back to the vehicle and places his / her foot 10 at a position where the light pattern is irradiated, the light pattern P 'irradiated on the ground is deformed as illustrated in FIG. 3 (b).

3 (a), the controller 140 controls the light pattern P photographed by the camera 120 before approaching the driver and the light pattern P photographed after the driver approaches, as illustrated in FIG. 3 (b) It is possible to compare the light patterns P 'and determine that the light pattern is deformed.

Of course, when another object such as a stone is placed on the ground, the light pattern displayed on the ground may vary depending on the shape of the object, not the straight line, even when the driver does not move to the rear of the vehicle. Even in such a case, when the driver moves to the rear of the vehicle and places his / her foot at a position where the light pattern is irradiated, the light pattern is deformed as compared with when the driver's foot is not positioned. Therefore, it can be determined whether or not the driver has moved to the rear of the vehicle by determining whether there is deformation of the light pattern.

The control unit 140 can control the vehicle to perform a predetermined operation when the light pattern irradiated from the light emitting unit 110 is deformed and the smart key of the vehicle is located within a certain distance from the vehicle. For example, the control unit 140 may control the vehicle function operating unit 150 to perform a trunk opening operation of the vehicle.

The control unit 140 may determine that the user (driver) carrying the smart key has moved from the vehicle to the outside of the vehicle according to the signal strength of the smart key received through the wireless communication unit 130. [ In addition to the signal strength of the smart key, a plurality of antennas constituting the wireless communication unit 130 may be arranged in the vehicle to determine that the driver has moved outside the vehicle from the inside of the vehicle. Alternatively, It is also possible to determine that it has moved from the inside to the outside.

The control unit 140 may be configured to cause the light emitting unit 110 to irradiate the light pattern for a predetermined time in the following cases. For example, the control unit 140 controls the light emitting unit 110 to irradiate the light pattern on the light emitting unit 110 for a predetermined period of time from when the smart key holder approaches a certain distance from the vehicle or when it is determined that the smart key element sheet has moved out of the vehicle . In this case, light is irradiated only when necessary in the light emitting unit 110, thereby reducing the consumption of the vehicle battery power.

The control unit 140 determines whether there is a deformation in the light pattern displayed in the area photographed by the camera 120 while the light pattern is irradiated by the light emitting unit 110. If there is a deformation in the light pattern, 150 to control the vehicle to perform a predetermined operation.

Also, the control unit 140 can increase the degree of safety by restricting the trunk opening operation of the vehicle only when the light pattern is deformed while the vehicle is parked.

4 is a flowchart illustrating a vehicle control method according to an embodiment of the present invention.

Referring to FIG. 4, first, the controller 140 determines whether the smart key holder has moved to a predetermined position based on the vehicle (S410). For example, the control unit 140 may determine when the smart key holder approaches a certain distance from the vehicle or when the smart key element sheet moves outside the vehicle.

Next, the control unit 140 controls the light emitting unit 110 to irradiate a predetermined light pattern (S420). The time for irradiating the light pattern in step S420 may be limited within a predetermined time from when the smart key holder approaches a certain distance from the vehicle or when it is determined that the smart key element sheet has moved outside the vehicle.

Thereafter, the control unit 140 processes the photographed image of the area irradiated with the light pattern from the camera 120 to determine whether the light pattern is deformed (S430).

If there is no deformation in the light pattern (S430-N), the control unit 140 determines whether a predetermined time has elapsed (S435). If the predetermined time has not elapsed (S435-N), steps S420 and S430 are repeated.

If it is determined in step S430 that there is a deformation in the light pattern, the controller 140 may control the vehicle function operating unit 150 to allow the vehicle to perform a predetermined operation (S440). For example, when the predetermined operation is the vehicle trunk opening operation, the vehicle trunk can be opened. On the other hand, in step S440, the light pattern may be deformed so that the smart key holder may perform a predetermined vehicle operation only when the smart key holder is located within a predetermined distance from the vehicle. It is also possible to implement the predetermined vehicle operation only when the gear position of the vehicle is in the parking position in step S440.

Embodiments of the present invention include a computer-readable recording medium having program instructions for performing various computer-implemented operations. This recording medium records a program for executing the above-described vehicle control method. The recording medium may include a program command, a data file, a data structure, and the like, alone or in combination. Examples of such recording media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD and DVD, programs such as floptical disk and magneto-optical media, ROM, And hardware devices configured to store and execute commands. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like.

While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes and modifications to the scope of the invention.

Claims (12)

A light emitting unit mounted on the vehicle for irradiating a predetermined light pattern,
A camera mounted on the vehicle for photographing an area irradiated with the light pattern;
A control unit for controlling the vehicle to perform a predetermined operation when it is determined that there is a deformation in a light pattern displayed in an area photographed by the camera,
Lt; / RTI >
Wherein,
The control unit controls the light emitting unit to irradiate the predetermined light pattern for a predetermined time from the time when it is determined that the smart key of the vehicle has moved outside the vehicle from inside the vehicle, And judges whether there is a deformation in the light pattern, and controls the vehicle to perform the predetermined operation when the light pattern is deformed and the smart key of the vehicle is located within a certain range from the vehicle. delete The method of claim 1,
Wherein the predetermined operation is a trunk opening operation of the vehicle. delete The method of claim 1,
Wherein,
And the trunk opening operation of the vehicle is performed when there is a deformation in the light pattern while the vehicle is parked. The method of claim 1,
Wherein the light emitting portion is mounted at a predetermined position of a rear portion of the vehicle and irradiates the light pattern toward the ground,
Wherein the camera is mounted at a predetermined position of a rear portion of the vehicle and photographs the ground where the light pattern is irradiated. A step of irradiating a predetermined light pattern to the light emitting portion mounted on the vehicle,
Photographing a region irradiated with the light pattern by a camera mounted on the vehicle, and
Controlling the vehicle to perform a predetermined operation when it is determined that the light pattern displayed in the photographed region is deformed
Lt; / RTI >
The control unit controls the light emitting unit to irradiate the predetermined light pattern for a predetermined time from the time when it is determined that the smart key of the vehicle has moved outside the vehicle from inside the vehicle, And judges whether there is a deformation in the light pattern, and controls the vehicle to perform the predetermined operation when the light pattern is deformed and the smart key of the vehicle is located within a certain range from the vehicle. delete 8. The method of claim 7,
Wherein the predetermined operation is a trunk opening operation of the vehicle. delete 8. The method of claim 7,
And when the light pattern is deformed while the vehicle is parked, the trunk opening operation of the vehicle is performed. 8. The method of claim 7,
The light emitting unit and the camera are mounted at predetermined positions of the rear portion of the vehicle,
Wherein the light emitting portion irradiates the light pattern toward the ground,
Wherein the camera photographs the ground on which the light pattern is irradiated.
KR1020150078034A 2015-06-02 2015-06-02 Vehicle control method and apparatus using light pattern image KR101675557B1 (en)

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KR1020150078034A KR101675557B1 (en) 2015-06-02 2015-06-02 Vehicle control method and apparatus using light pattern image

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007223342A (en) * 2006-02-21 2007-09-06 Hitachi Ltd Rear monitoring camera of vehicle and driving support device
KR20140082961A (en) * 2011-09-12 2014-07-03 발레오 시큐리티 하비태클 Method for opening a movable panel of a motor vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007223342A (en) * 2006-02-21 2007-09-06 Hitachi Ltd Rear monitoring camera of vehicle and driving support device
KR20140082961A (en) * 2011-09-12 2014-07-03 발레오 시큐리티 하비태클 Method for opening a movable panel of a motor vehicle

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