KR20220118835A - Method and device for transmitting and receiving blackbox video - Google Patents

Abstract

A method for transmitting and receiving a black box image and a device for transmitting and receiving a black box image are provided. The method for receiving a black box image includes steps of: recognizing a vehicle in front; image-recognizing a vehicle number from a license plate of the front vehicle when the front vehicle is recognized; establishing a wireless network connection with the front vehicle by using the license plate number as a network password; and receiving a black box image from the front vehicle through the wireless network connection, thereby capable of checking a front situation in real time, which is difficult to recognize due to being hidden by the vehicle in front, by receiving the image while driving recorded in real time from the black box from the vehicle in front.

Description

A method for transmitting and receiving a black box image and an apparatus for transmitting and receiving a black box image

The present invention relates to a method for transmitting and receiving a black box image and an apparatus for transmitting and receiving a black box image.

The black box is a device developed for the purpose of accurately finding out the accident process of the aircraft by collecting the black box and analyzing the contents of the accident when an accident occurs. In addition to driving, it is possible to record various information such as images or vehicle speed while parking or stopping.

Recently, an advanced driver assistance system (ADAS) has been applied to a vehicle black box, and the black box recognizes a lane from a road image recorded in real time and determines whether or not the vehicle has deviated from the lane and provides a lane departure warning to the driver. In addition, the forward collision warning may be provided to the driver to preemptively warn of the risk of a collision in consideration of the driving speed of the vehicle, the distance from the vehicle in front, and the relative speed.

The problem to be solved by the present invention is a method for transmitting and receiving a black box image, and a method for receiving a black box, in which a vehicle in front receives an image taken while driving in real time from a black box, so that a front situation that is difficult to recognize because it is obscured by a vehicle in front can be checked in real time. It is to provide an apparatus for transmitting and receiving an image.

A method for receiving a black box image according to an embodiment of the present invention includes: recognizing a vehicle in front; Recognizing the image of the vehicle number from the license plate of the front vehicle when the vehicle in front is recognized; establishing a wireless network connection with the vehicle in front using the vehicle number as a network password; and receiving a black box image from the vehicle in front through the wireless network connection.

Recognizing the vehicle in front may include: detecting a lane using an advanced driver assistance system (ADAS); and recognizing a vehicle traveling in the same lane as the front vehicle based on the detected lane.

The method of receiving the black box image may further include recognizing a vehicle traveling in an adjacent lane based on the detected lane as the front vehicle.

The method for receiving the black box image may include: recognizing the vehicle in front or repeatedly performing image recognition of a vehicle number from the license plate of the vehicle in front; and when the vehicle number recognized by the image is changed, re-establishing the wireless network connection by using the changed vehicle number as a network password.

A method for transmitting a black box image according to an embodiment of the present invention includes: setting a vehicle number in a network interface; receiving a wireless network connection request from a rear vehicle, wherein the wireless network connection request includes a vehicle number recognized by the rear vehicle as an image; comparing the vehicle number set in the network interface with the vehicle number recognized by the rear vehicle, and establishing a wireless network connection if the same; and transmitting the black box image to the rear vehicle through the set wireless network connection.

A black box image receiving apparatus according to an embodiment of the present invention includes: a vehicle recognition module for recognizing a vehicle in front; an image recognition module for recognizing an image of a vehicle number from the license plate of the front vehicle when the vehicle in front is recognized; a wireless network connection setting module for establishing a wireless network connection with the vehicle in front by using the vehicle number as a network password; and an image receiving module configured to receive a black box image from the vehicle in front through the wireless network connection.

The vehicle recognition module may detect a lane using an advanced driver assistance system (ADAS) and recognize a vehicle driving in the same lane based on the detected lane as the front vehicle.

The vehicle recognition module may recognize a vehicle traveling in an adjacent lane based on the detected lane as the front vehicle.

The image recognition module recognizes the vehicle in front or repeatedly performs image recognition of the vehicle number from the license plate of the front vehicle, and the wireless network connection setting module, when the image recognized vehicle number is changed, the changed The wireless network connection can be re-established using the vehicle number as the network password.

A black box image transmission apparatus according to an embodiment of the present invention includes: a network interface that receives a wireless network connection request from a rear vehicle, wherein the wireless network connection request includes a vehicle number recognized by the rear vehicle as an image; a vehicle number setting module for setting the vehicle number to the network interface; and an image transmission module for transmitting the black box image to the rear vehicle, wherein the network interface compares the vehicle number set in the network interface with the vehicle number recognized by the rear vehicle, and if the same, wireless network connection , and the image transmission module may transmit the black box image to the rear vehicle through the set wireless network connection.

According to embodiments of the present invention, the rear vehicle receives an image while driving in real time from a black box from the front vehicle and can check the front situation that is difficult to recognize because it is obscured by the front vehicle in real time. It is possible to obtain effects such as compliance and reduction of traffic accidents.

1 is a block diagram illustrating an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.
2 to 5 are diagrams for explaining an operation of an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.
6 is a flowchart illustrating a method for receiving a black box image according to an embodiment of the present invention.
7 is a flowchart illustrating a method for transmitting a black box image according to an embodiment of the present invention.
8 and 9 are diagrams for explaining an operation of an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.
10 is a diagram for explaining an operation of an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.
11 is a block diagram illustrating a computing device for implementing a method for transmitting and receiving a black box image and an apparatus for transmitting and receiving a black box image according to embodiments of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily implement them. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification and claims, when a part "includes" a certain element, it means that other elements may be further included, rather than excluding other elements, unless otherwise stated.

In addition, terms such as "... unit", "... group", and "module" described in the specification may mean a unit capable of processing at least one function or operation described in this specification, which It may be implemented in hardware or software or a combination of hardware and software.

1 is a block diagram illustrating an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.

Referring to FIG. 1 , an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention may be implemented in vehicles V1 and V2. Specifically, the black box image transmission and reception apparatus is implemented together with a circuit for photographing and recording an image inside the black box device mounted on the vehicle (V1, V2), or separate from the circuit for photographing and recording an image, but the black box device It may be implemented integrally with or as a device separate from the black box device, and the scope of the present invention is not limited to a specific implementation manner. However, hereinafter, for clarity and convenience of explanation, it will be described on the premise that the black box image transmission and reception device is implemented integrally with the black box device of the vehicles V1 and V2.

In addition, hereinafter, a situation in which the vehicle V2 is driving in front of the vehicle V1 will be mainly described. In this case, the vehicle V1 may be referred to as a "rear vehicle V1", and the vehicle V2 is It may also be referred to as a “vehicle in front V2”. Vehicle V1 receives a driving image captured in real time from the black box of the front vehicle V2 from the front vehicle V2, and can check the front situation that is difficult to recognize because it is obscured by the front vehicle V2 in real time. In this case, the rear vehicle V1 will be described as being equipped with a black box image receiving device, and the front vehicle V2 will be described as having a black box image transmitting device mounted thereon. However, the meaning is not limited to be interpreted that only one of the black box image transmission and reception devices is mounted on the vehicles V1 and V2, and the vehicles V1 and V2 may be a front vehicle in relation to other vehicles, and Since it may be a rear vehicle, each of the vehicles V1 and V2 may be equipped with both a black box image transmission and reception device.

The black box image receiving apparatus 10 may be mounted on the rear vehicle V1 to receive the black box image from the front vehicle V2. To this end, the black box image receiving device 10 may include a vehicle recognition module 110 , an image recognition module 120 , a wireless network setting module 130 , an image receiving module 140 , and a network interface 150 . have.

The vehicle recognition module 110 may recognize the front vehicle V2 . Specifically, the vehicle recognition module 110 may recognize a vehicle from an image captured by the camera 160 . The method in which the vehicle recognition module 110 recognizes the vehicle from the captured image is not limited to a specific method, and it varies from a method of recognizing a vehicle by analyzing the pixel configuration of the image itself to a method of recognizing a vehicle using artificial intelligence technology. can do.

When the vehicle in front V2 is recognized by the vehicle recognition module 110 , the image recognition module 120 may recognize the vehicle number from the license plate of the vehicle in front of the vehicle V2 as an image. Like the vehicle recognition module 110, the method for the image recognition module 120 to recognize the vehicle number from the captured image is not limited to a specific method, and from the method of recognizing the vehicle number by analyzing the pixel configuration of the image itself to artificial intelligence It can range from how technology is used to recognize vehicle numbers.

An example of using artificial intelligence technology to recognize a vehicle or vehicle number from a captured image is a deep learning-based image recognition technology, and in particular, a lightweight deep Learning techniques or hardware acceleration techniques may be applied. Here, the lightweight deep learning technology reduces the size of the model or simplifies the operation while maintaining the accuracy of image recognition to lighten it to the level to be mounted on a small device. There are techniques such as reduction, pruning to delete weights of neural networks that have little effect, and quantization to reduce floating point values of weight values to implement computational simplification. On the other hand, hardware acceleration technology enables deep learning processing to be integrated into a mobile processor by developing a dedicated chipset or NPU (Neural Processing Unit) for accelerating the decision operation of artificial intelligence.

The wireless network setting module 130 may establish a wireless network connection with the front vehicle V2 by using the vehicle number of the front vehicle V2 recognized by the image recognition module 120 as a network password. Here, the wireless network may include any wireless network such as a Bluetooth network, a Wi-Fi network, and a cellular network. For example, when a Bluetooth network is used as the wireless network, the wireless network setting module 130 may establish a wireless network connection with the vehicle V2 in front by using the vehicle number as a pairing password of the Bluetooth network. As another example, when a Wi-Fi network is used as the wireless network, the wireless network setting module 130 may establish a wireless network connection with the front vehicle V2 by using the vehicle number as an access password of the Wi-Fi network.

The image receiving module 140 may receive a black box image from the front vehicle V2 through a wireless network connection set by the wireless network setting module 130 . In addition, the received black box image may be provided to passengers, such as a driver and a passenger, through a display device inside the vehicle V1. In this case, the display device may be a display device mounted on the navigation device of the vehicle V1, but the present invention is not limited thereto. It may be provided through a mobile device of, for example, a smart phone, a tablet computer, a notebook computer, and the like. That is, the black box image received from the front vehicle V2 may be provided to the occupants of the rear vehicle V1 through various methods that are not limited to a specific method.

When the received black box image is compressed, the image receiving module 140 may perform decompression before providing the black box image to the passenger. It may be determined according to the method in which the image transmission module 220 of the black box image is compressed.

The network interface 150 may transmit and receive signals to and from the front vehicle V2 through a wireless network connected through the vehicle number of the front vehicle V2 recognized by the rear vehicle V1.

The black box image transmission apparatus 20 may be mounted on the front vehicle V2 and transmit the black box image to the rear vehicle V1. To this end, the black box image transmission apparatus 20 may include a vehicle number setting module 210 , an image transmission module 220 , and a network interface 230 .

The vehicle number setting module 210 may set its own vehicle number on which the black box image transmission device 20 is mounted, that is, the vehicle number of the front vehicle V2 , to the network interface 230 . For example, the vehicle number setting module 210 may receive a vehicle number directly from the occupant of the front vehicle V2 through a touch screen or a button and set it in the network interface 230, but the vehicle number setting module 210 ), the method of receiving this vehicle number is not limited to a specific method.

The network interface 230 may receive a wireless network connection request from the rear vehicle V1, and the wireless network connection request may include a vehicle number recognized by the rear vehicle V1 as an image. The network interface 230 compares the vehicle number set in the network interface 230 by the vehicle number setting module 210 with the vehicle number recognized by the rear vehicle V1 and, if the same, the rear vehicle V1 ) to establish a wireless network connection, and through this, it is possible to transmit and receive signals to and from the rear vehicle V1.

For example, when a Bluetooth network is used as the wireless network, when receiving a Bluetooth network connection request from the rear vehicle V1, the network interface 230 sets the vehicle number recognized by the image recognized by the rear vehicle V1 of the Bluetooth network. It can be received as a pairing passphrase. Next, the network interface 230 compares the vehicle number set in the network interface 230 by the vehicle number setting module 210 with the vehicle number recognized by the image of the rear vehicle V1, and if the same, the rear vehicle You can set up a Bluetooth network connection with (V1).

As another example, when a Wi-Fi network is used as a wireless network, when receiving a Wi-Fi network connection request from the rear vehicle V1, the network interface 230 connects the vehicle number recognized by the image recognized by the rear vehicle V1 to the Wi-Fi network. It can be received as a password. Next, the network interface 230 compares the vehicle number set in the network interface 230 by the vehicle number setting module 210 with the vehicle number recognized by the rear vehicle V1 and, if the same, the rear vehicle You can set up a Wi-Fi network connection with (V1).

The image transmission module 220 may transmit a black box image of the front of the front vehicle V2 photographed through the camera 240 to the rear vehicle V1 in real time through a set wireless network connection.

Of course, the image transmission module 220 may perform image compression before transmitting the black box image to the rear vehicle V1 in order to save the use of wireless network resources, and the image compression method is an international standard such as MPEG, HEVC, etc. From video compression technology to artificial intelligence-based video compression technology, it can be used regardless of the specific implementation method.

According to this embodiment, the rear vehicle receives a driving image captured in real time from the black box from the front vehicle and can check the front situation in real time that is difficult to recognize because it is obscured by the vehicle in front. Effects such as reduction of traffic accidents can be obtained.

Specifically, it is possible to prevent in advance traffic accidents and violations of traffic laws that may occur as the driver's view of the rear vehicle is not secured by the front vehicle while driving. Buses, heavy trucks, etc.) can check traffic lights and congestion conditions to prevent signal violations and resulting accidents, help determine whether overtaking is possible, and when the vehicle ahead is a child protection vehicle , it can be checked until the child who got out of the vehicle safely crosses the road, thereby protecting the traffic safety of children.

In addition, the rear vehicle may receive a black box image from a front vehicle traveling in the same lane as itself, as well as a front vehicle traveling in an adjacent lane, so that the vehicle stopped in the first lane in front of the crosswalk on a one-way two-lane road If there is, when a two-lane vehicle proceeds at a crosswalk, it can recognize a pedestrian crossing from the left through the screen, so that the pedestrian can safely cross the crosswalk.

2 to 5 are diagrams for explaining an operation of an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.

Referring to FIG. 2 , a case in which vehicles V1 to V4 are driving on a three-lane road is illustrated. The vehicle recognition module 110 of the black box image receiving device 10 mounted on the vehicle V1 together with the black box device B1 may first recognize the front vehicle V2 ( S10 ). The vehicle recognition module 110 may, for example, attempt to recognize a vehicle at a predetermined time interval (eg, an interval of seconds) with respect to an image captured by the camera 160 . . Accordingly, when the vehicle V2 starts driving in front of the vehicle V1 , the vehicle recognition module 110 may automatically recognize the vehicle V2 in front.

In particular, in recognizing the vehicle in front V2, the vehicle recognition module 110 detects a lane using an advanced driver assistance system (ADAS), and determines a vehicle traveling in the same lane based on the detected lane as the vehicle in front. (V2) can be recognized. Advanced Driver Assistance System (ADAS) can provide a lane departure warning to the driver, and has a lane recognition function to determine this. The vehicle recognition module 110 may perform lane detection using such a lane recognition function.

Of course, a method of implementing lane recognition is not limited to a method using an advanced driver assistance system (ADAS), and the vehicle recognition module 110 itself configures the pixels of the image, such as when recognizing a vehicle or vehicle number from a captured image. It can vary from a method of recognizing a lane by analyzing itself to a method of recognizing a lane using artificial intelligence technology.

Next, referring to FIG. 3 , after the vehicle in front V2 is recognized by the vehicle recognition module 110 , the image recognition module 120 of the black box image receiving device 10 is configured to retrieve the vehicle from the license plate of the vehicle V2 in front. The number "2222" can be recognized as an image (S20).

Next, referring to FIG. 4 , the wireless network setting module 130 of the black box image receiving device 10 uses the vehicle number “2222” of the front vehicle V2 recognized by the image recognition module 120 as a network password. It can be used to transmit the corresponding vehicle number to the front vehicle V2 to establish a wireless network connection with the front vehicle V2 (S30).

The vehicle number setting module 210 of the black box image transmission device 20 mounted on the vehicle V2 together with the black box device B2 sets its own vehicle number “2222” to the network interface 230 . to be. The network interface 230 of the black box image transmission device 20 may receive a wireless network connection request from the rear vehicle V1, and the wireless network connection request is a vehicle number "2222" recognized by the rear vehicle V1 as an image. may include.

The network interface 230 of the black box image transmission device 20 includes the vehicle number “2222” set in the network interface 230 by the vehicle number setting module 210 and the vehicle in which the rear vehicle V1 recognizes the image. By comparing the number "2222", in the same case, a wireless network connection with the rear vehicle V1 is established. In this way, after the front vehicle V2 is recognized, the rear vehicle V1 and the front vehicle V2 can automatically establish a wireless network connection.

Next, referring to FIG. 5 , the image transmission module 220 of the black box image transmission device 20 is a black box for the front of the front vehicle V2 photographed through the camera 240 through a set wireless network connection. The image may be transmitted to the rear vehicle V1 in real time. In addition, the image receiving module 140 of the black box image receiving apparatus 10 may receive the black box image from the front vehicle V2 through the wireless network connection set by the wireless network setting module 130 ( S40).

The received black box image may be provided to passengers, such as a driver and a passenger, through a display device inside the vehicle V1. In this case, the display device may be a display device mounted on the navigation device of the vehicle V1, but the present invention is not limited thereto. It may be provided through a mobile device of, for example, a smart phone, a tablet computer, a notebook computer, and the like.

6 is a flowchart illustrating a method for receiving a black box image according to an embodiment of the present invention.

Referring to FIG. 6 , a method for receiving a black box image according to an embodiment of the present invention includes recognizing a vehicle in front ( S601 ); When the vehicle in front is recognized, image recognition of the vehicle number from the license plate of the vehicle in front (S603); using the vehicle number as a network password to establish a wireless network connection with the vehicle in front (S605); Receiving a black box image from a vehicle in front through a wireless network connection (S607); and providing the received black box image to the passenger (S609).

Step S601 may include: detecting a lane using an advanced driver assistance system (ADAS); and recognizing a vehicle traveling in the same lane as a forward vehicle based on the detected lane. In addition, the step S601 may further include recognizing a vehicle traveling in an adjacent lane based on the detected lane as a forward vehicle.

On the other hand, the black box image receiving method, the step of recognizing the vehicle in front or the step of repeatedly performing the step of recognizing the image of the vehicle number from the license plate of the vehicle in front; and when the image-recognized vehicle number is changed, resetting the wireless network connection by using the changed vehicle number as a network password.

For more detailed information on the above-described steps of the black box image receiving method, reference may be made to the contents described with reference to FIGS. 1 to 5 , and a redundant description will be omitted herein.

7 is a flowchart illustrating a method for transmitting a black box image according to an embodiment of the present invention.

Referring to FIG. 7 , a method for transmitting a black box image according to an embodiment of the present invention includes the steps of setting a vehicle number in a network interface (S701); Receiving a wireless network connection request from the rear vehicle (S703); Comparing the vehicle number set in the network interface with the vehicle number recognized by the rear vehicle as an image (S705); and in the same case, transmitting the black box image to the rear vehicle through the established wireless network connection (S705).

In step S703, the wireless network connection request may include a vehicle number recognized by the rear vehicle as an image.

For more detailed information on the above-described steps of the black box image transmission method, reference may be made to the contents described with reference to FIGS. 1 to 5 , and a redundant description will be omitted herein.

8 and 9 are diagrams for explaining an operation of an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.

Referring to FIG. 8 , in FIG. 6 , a case in which the vehicle V2 driving in front of the vehicle V1 disappears from the view of the vehicle V1 is illustrated. In this case, the vehicle recognition module 110 of the image receiving apparatus 10 may repeatedly perform image recognition of the vehicle in front or of the vehicle number from the license plate of the vehicle in front ( S50 ). For example, the vehicle recognition module 110 repeatedly performs recognizing the front vehicle at a predetermined time interval (eg, an interval of seconds), or repeatedly performs image recognition of the vehicle number from the license plate of the front vehicle. can do.

Accordingly, the image recognition module 120 of the black box image receiving apparatus 10 recognizes the vehicle number "3333" from the license plate of the front vehicle V3 as an image, and the wireless network connection setting module ( 130), since the image-recognized vehicle number has been changed from "2222" to "3333", the changed vehicle number is used to reset the wireless network connection using the changed vehicle number "3333" as a network password to the vehicle in front (V3) It can be transmitted (S60).

The vehicle number setting module 210 of the black box image transmission device 20 mounted on the vehicle V3 together with the black box device B3 sets its vehicle number “3333” to the network interface 230 . to be. The network interface 230 of the black box image transmission device 20 may receive a wireless network connection request from the rear vehicle V1, and the wireless network connection request is the vehicle number "3333" recognized by the rear vehicle V1 as an image. may include

The network interface 230 of the black box image transmission device 20 includes the vehicle number “3333” set in the network interface 230 by the vehicle number setting module 210 and the vehicle in which the rear vehicle V1 recognizes the image. By comparing the number "3333", in the same case, a wireless network connection with the rear vehicle V1 is established. In this way, after the new front vehicle V3 is recognized, the rear vehicle V1 and the front vehicle V3 can automatically establish a wireless network connection.

Next, the image transmission module 220 of the black box image transmission device 20 transmits the black box image of the front of the front vehicle V3 photographed through the camera 240 through the established wireless network connection to the rear vehicle ( V1) can be transmitted in real time. In addition, the image receiving module 140 of the black box image receiving apparatus 10 may receive the black box image from the front vehicle V3 through the wireless network connection set by the wireless network setting module 130 .

10 is a diagram for explaining an operation of an apparatus for transmitting and receiving a black box image according to an embodiment of the present invention.

Referring to FIG. 10 , different from the case of FIGS. 2 to 5 or in addition to the case of FIGS. 2 to 5 , a lane is detected in the above-described manner, and a vehicle driving in an adjacent lane based on the detected lane is selected. It can be recognized as the vehicle in front (V4). In this embodiment, it is assumed that all of the vehicles V2 to V4 are traveling within the viewing angle VA of the vehicle V1.

Thereafter, the image recognition module 120 of the black box image receiving device 10 recognizes the vehicle number “4444” from the license plate of the front vehicle V4 in the adjacent lane as an image, and sets the wireless network connection of the image receiving device 10 . The module 130 may use the vehicle number "4444" as a network password to transmit the corresponding vehicle number to the vehicle in front V4 to re-establish the wireless network connection.

The vehicle number setting module 210 of the black box image transmission device 20 mounted on the vehicle V4 together with the black box device B4 sets its own vehicle number “4444” to the network interface 230 . to be. The network interface 230 of the black box image transmission device 20 may receive a wireless network connection request from the rear vehicle V1, and the wireless network connection request is the vehicle number "4444" recognized by the rear vehicle V1 as an image. may include.

The network interface 230 of the black box image transmission device 20 includes the vehicle number “4444” set in the network interface 230 by the vehicle number setting module 210 and the vehicle in which the rear vehicle V1 recognizes the image. By comparing the number "4444", in the same case, a wireless network connection with the rear vehicle V1 is established. In this way, the rear vehicle V1 and the front vehicle V4 can automatically establish a wireless network connection.

Then, the image transmission module 220 of the black box image transmission device 20 transmits the black box image of the front of the front vehicle V4 photographed through the camera 240 through the established wireless network connection to the rear vehicle ( V1) can be transmitted in real time. In addition, the image receiving module 140 of the black box image receiving apparatus 10 may receive the black box image from the front vehicle V4 through the wireless network connection set by the wireless network setting module 130 .

11 is a block diagram illustrating a computing device for implementing a method for transmitting and receiving a black box image and an apparatus for transmitting and receiving a black box image according to embodiments of the present invention.

Referring to FIG. 11 , a method for transmitting and receiving a black box image and an apparatus for transmitting and receiving a black box image according to embodiments of the present invention may be implemented using a computing device 50 .

The computing device 50 includes at least one of a processor 510 , a memory 530 , a user interface input device 540 , a user interface output device 550 , and a storage device 560 in communication via a bus 520 . can do. Computing device 50 may also include network interface 570 electrically connected to network 40 , such as a wireless network. The network interface 570 may transmit or receive signals with other entities through the network 40 .

The processor 510 may be implemented in various types such as an application processor (AP), a central processing unit (CPU), a graphic processing unit (GPU), and the like, and executes a command stored in the memory 530 or the storage device 560 . It may be any semiconductor device that does The processor 510 may be configured to implement the functions and methods described with reference to FIGS. 1 to 10 .

The memory 530 and the storage device 560 may include various types of volatile or non-volatile storage media. For example, the memory may include a read-only memory (ROM) 531 and a random access memory (RAM) 532 . In an embodiment of the present invention, the memory 530 may be located inside or outside the processor 510 , and the memory 530 may be connected to the processor 510 through various known means.

In addition, the method for transmitting and receiving a black box image and the apparatus for transmitting and receiving a black box image according to embodiments of the present invention may be implemented as a program or software executed in the computing device 50 , and the program or software may be computer-readable may be stored on the medium.

In addition, the black box image transmission and reception method and the black box image transmission and reception apparatus according to embodiments of the present invention may be implemented as hardware capable of being electrically connected to the computing device 50 .

According to the embodiments of the present invention described so far, the rear vehicle receives an image while driving in real time from a black box from the front vehicle, and can check the front situation that is difficult to recognize because it is obscured by the front vehicle in real time, so that safe driving of the rear vehicle, It is possible to obtain effects such as compliance with traffic laws and reduction of traffic accidents.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto. Various modifications and improvements by those with knowledge also fall within the scope of the present invention.

Claims (10)

recognizing a vehicle ahead;
Recognizing the image of the vehicle number from the license plate of the front vehicle when the vehicle in front is recognized;
establishing a wireless network connection with the vehicle in front using the vehicle number as a network password; and
Receiving a black box image from the vehicle in front through the wireless network connection
How to receive black box video. The method of claim 1,
Recognizing the vehicle ahead includes:
detecting a lane using an Advanced Driver Assistance System (ADAS); and
and recognizing a vehicle traveling in the same lane as the front vehicle based on the detected lane. 3. The method of claim 2,
The method further comprising the step of recognizing a vehicle traveling in an adjacent lane based on the detected lane as the front vehicle. According to claim 1,
repeating the step of recognizing the vehicle in front or the step of recognizing the image of the vehicle number from the license plate of the vehicle in front; and
The method further comprising the step of resetting the wireless network connection by using the changed vehicle number as a network password when the vehicle number recognized by the image is changed. setting the vehicle number in the network interface;
receiving a wireless network connection request from a rear vehicle, wherein the wireless network connection request includes a vehicle number recognized by the rear vehicle as an image;
comparing the vehicle number set in the network interface with the vehicle number recognized by the rear vehicle, and establishing a wireless network connection if the same; and
Transmitting a black box image to the rear vehicle through the set wireless network connection
How to transmit black box video. a vehicle recognition module for recognizing a vehicle in front;
an image recognition module for recognizing an image of a vehicle number from the license plate of the front vehicle when the vehicle in front is recognized;
a wireless network connection setting module for establishing a wireless network connection with the vehicle in front by using the vehicle number as a network password; and
and an image receiving module for receiving a black box image from the vehicle in front through the wireless network connection
Black box video receiver. 7. The method of claim 6,
The vehicle recognition module,
A black box image receiving device that detects a lane using an advanced driver assistance system (ADAS) and recognizes a vehicle traveling in the same lane as the front vehicle based on the detected lane. 8. The method of claim 7,
The vehicle recognition module,
A black box image receiving apparatus for recognizing a vehicle traveling in an adjacent lane based on the detected lane as the front vehicle. 7. The method of claim 6,
The image recognition module,
Recognizing the front vehicle, or repeatedly performing image recognition of the vehicle number from the license plate of the front vehicle,
The wireless network connection setting module,
When the vehicle number recognized by the image is changed, the wireless network connection is reset by using the changed vehicle number as a network password. a network interface that receives a wireless network connection request from a rear vehicle, wherein the wireless network connection request includes a vehicle number recognized by the rear vehicle as an image;
a vehicle number setting module for setting the vehicle number to the network interface; and
Comprising an image transmission module for transmitting the black box image to the rear vehicle
The network interface compares the vehicle number set in the network interface with the vehicle number recognized by the image of the rear vehicle, and sets a wireless network connection if the same,
The image transmission module is configured to transmit the black box image to the rear vehicle through the set wireless network connection.
Black box video transmission device.

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