TW201720692A - System capable of recognizing traffic sign to prompt driver capable of generating sound or smell to warn the driver to concentrate on driving when the behavior of the driver does not conform to the state of the traffic sign - Google Patents

Abstract

The invention relates to a system capable of recognizing traffic sign to prompt driver. Image technology is utilized to detect location of a traffic sign and image characteristics which is compared with a database and recognizes the traffic sign. Moreover, a positioning module is used to assist detecting the behavior of a driver. When the behavior of the driver does not conform to the state of the traffic sign, a process center issues an instruction to a prompting module for generating sound or smell so that the driver is warned to concentrate on driving. When driving behavior of the driver is detected to conform to the state of normal traffic sign, the system automatically stops warning function.

Description

Identifying traffic signs to alert the driver of the system

The invention relates to a system for prompting a driver, in particular to a driving assistance system for actively identifying a traffic sign and prompting a driver.

Today's human life is inseparable from the transportation system. In China's transportation system, people's self-driving locomotives are the most important. In the process of driving, accidents may occur. Although the accident is difficult to prevent, in recent years, various auxiliary products such as driving recorders have been introduced. It also has the effect of post-protection.

However, the current technology is still difficult to prevent the driving of the spirit itself or the lack of attention to the surrounding traffic, although some advanced models with active brakes or lane change warning systems, from the perspective of traffic signs to regulate the road driving behavior The design is still not seen in the market.

From the traffic sign, you can get a lot of temporary conditions for road driving, such as lane reduction, construction ahead, and rapid traffic signal conversion. If the driver is slightly careless or at a certain speed, the traffic number is slightly It is difficult or impossible to observe the traffic sign correctly. Therefore, a road warning system that identifies traffic signs to get traffic conditions has its necessity and convenience.

The present invention is a system for identifying a traffic sign to prompt a driver. The system includes at least the following module: a camera module, the camera module is mainly disposed toward the front of the vehicle for capturing images along the road during the running of the vehicle. Generating an image signal, the main purpose of which is to record the traffic sign on the road; a positioning module, which is based on the GPS signal to generate a positioning signal, the main purpose of which is to continuously track the position of the vehicle while the vehicle is running. , speed and lane offset.

The present invention further includes a processing center, which is the most important determining component of the present invention, for receiving the image signal transmitted from the camera module and instantly recognizing the traffic number recorded in the image signal. And searching for the meaning of the traffic number representative in the data, and the processing center also receives the positioning signal transmitted from the positioning module, and according to the vehicle position, the vehicle speed and the lane offset in the positioning signal, the current traveling condition of the vehicle is read. Finally, the processing center comprehensively determines whether the driving behavior of the current vehicle conforms to the meaning of the traffic sign according to the traveling condition of the vehicle to determine whether a prompt signal is generated.

The present invention has a prompting module, and the prompting module receives the prompt signal transmitted from the processing center to generate an audible signal or an odor signal to remind the driver whether the currently detected traffic number does not match the driving behavior. Or, when driving may be fatigued or distracted, you can be prompted or driving to focus on driving conditions.

The present invention can classify the meanings of several traffic slogans in the judging process, for example, the traffic loyalty belongs to the warning genre type, the indication genre type, the auxiliary gram type, the banned genre type or the dynamic illuminating type. The manner in which the prompt is determined based on the meaning of the traffic sign represents another function of the present invention.

The photographic module of the present invention further includes a display screen, the display The screen is used to display the image of the vehicle captured by the camera module, so that the driver can view the image through the display screen, and further adjust the lens according to the screen.

The processing center of the present invention further includes: an image recognition module for identifying each of the traffic signs recorded in the image signal; a memory module, the memory module storing each of the The image information of the traffic sign and the data data of the meaning of each traffic sign; a comparison module, the comparison module is based on the detected data of the meaning of each traffic sign and the positioning signal And determining to read the traveling condition of the vehicle to determine whether the prompt signal is generated; and an upgrade module, the upgrade module is configured to check whether there is an updated system version, image information of the traffic sign, and each of the traffic sign representatives The data of the meaning is updated to update the memory module. The upgrade module is used to maintain the system in the latest update state to facilitate system operation.

In addition, the prompting module of the present invention further includes: an audio device, wherein the sound device generates the sound signal according to the prompt signal, and the sound signal can be a horn sound or a harsh warning sound of the automobile itself; The scent module generates the scent signal according to the difference of the prompt signal, and the scent signal can be a pungent odor or a refreshing odor, which can make the driver feel alert when smelling.

1‧‧‧Photography module

2‧‧‧Display screen

3‧‧‧ Positioning Module

4‧‧‧Processing Center

5‧‧‧ prompt module

6‧‧‧Sound device

7‧‧‧ smell module

S101~S111‧‧‧Step process

S201~S208‧‧‧Step procedure

FIG. 1 is a schematic diagram of a system setting for identifying a traffic sign to prompt a driver.

2 is a schematic diagram of a system architecture for identifying a traffic sign to prompt a driver.

FIG. 3 is a flow chart showing the steps of identifying a traffic sign to prompt the driver to operate the system according to the present invention.

FIG. 4 is an example of steps taken by the present invention to identify a traffic sign to prompt the driver's system to be based on the meaning of the traffic sign.

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention is a system for identifying a traffic sign to prompt a driver. The schematic diagram of the system disposed on the vehicle and the system architecture diagram of the system can be comprehensively referred to FIG. 1 and FIG. 2. The system includes:

A camera module 1 is located in front of the driver's seat of the vehicle. When driving in the driving state, the camera module 1 can generate an image signal through the image of the external driving condition through the lens, including the traffic signal image of the road. The lens of the photographic module 1 is a wide-angle lens, and is disposed on a base for rotating and adjusting the orientation. The photographic module 1 further has a display screen 2 for displaying the image captured by the lens, so that the driving can be displayed according to the display. Range to adjust the preferred photographic position or orientation.

A positioning module 3 is located in front of the driver's seat of the vehicle. When driving in the driving state, the positioning module 3 is used for recording GPS signals (for example: current speed, direction, acceleration, altitude), by recording GPS signals, while simultaneously The positioning signal generated by the behavior of the vehicle under the driving of the driving (for example, acceleration, deceleration, braking, turning, parking) can be interpreted, and the positioning signal is transmitted to the processing center 4.

The processing center 4 is connected to the camera module 1 and the positioning module 3, and the image signal transmitted from the camera module 1 and the positioning signal transmitted by the positioning module 3 are subjected to subsequent processing and interpretation, and a prompt module 5 and the processing center 4 The prompting module 5 includes an acoustic device 6 and an odor module 7.

The sound device 6 receives an indication from the processing center 4 to emit a different sound to alert the driver to the state of the vehicle.

The scent module 7 can be an odor eliminator that emits a refreshing scent or a pungent odor, so that the driver can remain awake or concentrate on driving when the driver is likely to doze off.

Referring to FIG. 3, the flow of the operation of the system of the present invention is as follows: Step S101: detecting the launch of the vehicle to activate the camera module and the positioning module; Step S102: the camera module continues to display the image signal Transfer to the processing center; step S103: the positioning module continuously transmits the generated positioning signal to the processing center according to the GPS positioning; step S104: the processing center recognizes the traffic signal from the image signal; step S105: the processing The center picks up the image feature of the traffic sign; step S106: the process center compares the image feature of the traffic sign with the traffic log information in the memory module to identify the meaning of the traffic sign; step S107: the process The center determines, according to the comparison module, that the meaning of the traffic sign does not meet the driving behavior displayed by the positioning signal; step S108: the processing center sends a prompt signal to the prompting module; and step S109: the prompting module emits a sound or smell to alert Driving or boosting the spirit of driving; Step S110: The processing center continuously receives the image signal and the positioning signal and continuously compares the same. Step S111: When the processing center determines, according to the comparison module, the meaning of the traffic sign conforms to the driving behavior displayed by the positioning signal, the processing center stops. A prompt signal is sent to the prompting module to prompt the module to stop the warning.

Please refer to FIG. 4, which cites the meanings of several traffic signs to explain the step flow of the present invention in more detail with the above explanation: Step S201: Classification process, because it is necessary to judge whether the driver's behavior conforms to the traffic sign. The status needs to first classify the identified traffic number; step S202: the traffic number belongs to the warning number category; step S203: the traffic number belongs to the indicator number category; step S204: the traffic number belongs to the auxiliary number category Because the role of steps S202, S203, S204 is to remind the driver of driving to pay attention to the situation on the road and prepare for the response (for example: beware of pedestrians, danger, attention signs, gas stations in front, 15 kilometers from the destination, There is road construction, vehicle diversion right turn...etc.), so step S205 is followed; Step S205: The traffic behavior is detected only by the horn sound prompt without determining the driving behavior.

In addition, the steps in the same stage as steps S202, S203, and S204 further include two other steps S206 and S207: step S206: the traffic number belongs to the prohibited number category; and step S207: the traffic number belongs to the dynamic light type; Because the steps S206 and S207 are mandatory for driving and the pedestrian strictly abides by the contents of the sign, it is necessary to make a comparison and judgment at this time; step S208: determining whether the driving behavior conforms to the traffic number and proceeding one by one. Step prompts (for example: whether the speed exceeds the minimum speed, whether the speed exceeds the maximum speed, the parking is prohibited nearby, the red light needs to stop, the passerby needs to stop, the level crossing needs to stop.., etc.).

The present invention further includes a memory module 8 and an upgrade module 9. The memory module 8 stores image information of each of the traffic signs and data of the meaning of each of the traffic signals. The upgrade module 9 The latest program update can be provided for the processing center 4 to download the program, the new image information of the traffic sign or the data of the meaning of the traffic sign to update the content of the memory module 8.

The detailed description of the preferred embodiments of the present invention is intended to be construed as the invention The patent scope of this case.

In summary, the present invention is innovative in terms of technical ideas, and also has various functions that are not in the prior art, and has fully complied with the statutory invention patent requirements of novelty and progressiveness, and has filed a patent application according to law, and invites you to approve the invention. The patent application was inspired to invent, and it was a matter of feeling.

S101~S111‧‧‧Step process

Claims (7)

A system for identifying a traffic sign to prompt a driver includes: a camera module for capturing an image of a vehicle during driving to generate an image signal; and a positioning module, the positioning module Generating a positioning signal according to the GPS signal; the processing center receives the image signal transmitted from the camera module and instantly recognizes at least one traffic signal recorded in the image signal, and the processing center receives the transmission signal from the processing center The positioning signal of the positioning module is used to determine the traveling condition of the vehicle, and the processing center determines whether to generate a prompt signal according to each of the traffic signs and the traveling condition of the vehicle; and a prompting module, the prompting module receives the transmission from the The prompt signal of the processing center generates an audible signal or an odor signal. A system for identifying a traffic sign to prompt a driver, wherein the processing center further includes: an image recognition module for recognizing the video signal in the video signal. Each of the traffic signs. The system for identifying a traffic sign to prompt a driver, as described in claim 1 or 2, wherein the camera module further includes a display screen for displaying the vehicle photographed by the camera module. The image in the process. The system for identifying a traffic sign to prompt a driver, as described in claim 1 or 2, wherein the processing center further includes: a memory module that stores image information of each of the traffic signs And the data of the meaning of each of the traffic signs; a comparison module, the comparison module is based on the detected data of the meaning of each of the traffic signs and the location of the vehicle The status is used to determine whether the prompt signal is generated; and an upgrade module is used to check whether there is an updated system version, image information of the traffic number, and data of each of the traffic signals representing the meaning to update the Memory module. The system for identifying a traffic sign to prompt a driver, as described in claim 3, wherein the processing center further includes: a memory module that stores image information of each of the traffic signs and each The traffic sign represents the meaning data; a comparison module, the comparison module is based on the detected data of the meaning of each traffic sign and the status of the vehicle in the positioning signal Determining whether the prompt signal is generated; an upgrade module, wherein the upgrade module is configured to check whether there is an updated system version, image information of the traffic number, and data of each of the traffic tokens to update the memory model. group. Identify the traffic number as stated in item 4 of the patent application to prompt the driver The system further includes: an audio device, wherein the sound device generates the sound signal according to the prompt signal, the sound signal can be a horn sound or a warning sound; and an odor module, the scent module The group generates the scent signal according to the difference of the prompt signal, and the scent signal may be a pungent odor or a refreshing odor. The system for identifying a traffic sign to prompt a driver, as described in claim 5, wherein the prompting module further comprises: an audio device, wherein the sound device generates the sound signal according to the difference of the prompt signal, The audible signal may be a horn sound or a warning sound; and an odor module may generate the scent signal according to the difference of the prompt signal, and the scent signal may be a pungent odor or a refreshing odor.