TWI834382B - Method of locking a dash cam for keeping the evidence of driving in compliance with the traffic rules - Google Patents

Abstract

A method of locking a dash cam, which is applicable to a vehicle, implemented by the dash cam, and includes the following steps: (A) the dash cam determines whether a newly generated video includes plural traffic signs in the longitudinal lane in which the vehicle is traveling; (B) when the dash cam determines that the video includes the traffic signs in the longitudinal lane in which the vehicle is traveling, the dash cam determines, according to the video, a first traffic signal that is relatively closest to the vehicle among the traffic signs, and a second traffic signal that is closest to the vehicle in addition to the first traffic signal are both green lights; (C) when the dash cam determines that both the first traffic signal and the second traffic signal are green lights, the dash cam determines whether the second traffic signal is a red light before disappearing according to the video; and (D) when the dash cam determines that the second traffic signal is the red light before disappearing, the dash cam locks the video.

Description

Driving recorder locking method to retain evidence of driving in compliance with traffic regulations

The present invention relates to image data processing, and in particular to a driving recorder locking method for retaining evidence of driving in compliance with traffic regulations.

Failure to maintain clearance at intersections is often one of the main causes of traffic congestion. Drivers often arrive at intersections with traffic signals. After entering the intersection, they encounter traffic jams ahead and the traffic signals turn red. When a vehicle remains at the intersection behind the lights, it will impede the passage of cross-traffic vehicles.

In order to help passers-by develop good habits, the police often strengthen enforcement at traffic jam intersections. According to Article 58, paragraph 3, of the Road Traffic Management Punishment Regulations, "When traveling to a fork in the road with a sign, if you encounter a red light and do not follow the lanes, you will stop. "Inserting directly between lanes, causing traffic congestion and obstructing the passage of other vehicles", the driver may be fined not less than NT$600 but not more than NT$1,200.

Drivers sometimes enter intersections when the light is green, which means they do not stop according to lanes unless there is a red light and there is no violation and they are cited. If the driver refuses to accept the complaint, he needs to submit the driving recorder video to the appeal. Adjudication Center.

However, when a driver receives a ticket, the supporting video may have been covered by a new video, making it impossible to appeal, or it may take a lot of time to find the supporting video.

Therefore, the object of the present invention is to provide a driving recorder locking method that can help drivers file complaints and retain evidence of driving in compliance with traffic regulations.

Therefore, the driving recorder locking method of the present invention for retaining evidence of driving in compliance with traffic regulations is suitable for a vehicle and is implemented by a driving recorder. The driving recorder is used to continuously capture images of the exterior of the vehicle to continuously generate videos. , the method includes the following steps. The method includes a step (A), a step (B), a step (C), and a step (D).

In this step (A), the driving recorder determines whether a newly generated video includes multiple traffic signals on the longitudinal lane in which the vehicle is traveling.

In this step (B), when it is determined that the video includes multiple traffic signals on the longitudinal lane where the vehicle is traveling, the driving recorder determines one of the traffic signals that is closest to the vehicle based on the video. The first traffic signal, and once the first traffic signal is removed Whether the second traffic signal closest to the vehicle outside the signal is green.

In step (C), when it is determined that the first traffic signal and the second traffic signal are both green lights, the driving recorder determines whether the second traffic signal was a red light before it disappeared based on the video.

In step (D), when it is determined that the second traffic signal is a red light before it disappears, the driving recorder locks the video.

The effect of the present invention is to use the driving recorder to determine that the longitudinal lane in which the vehicle is traveling in the video includes multiple traffic signals, that the first traffic signal and the second traffic signal are both green lights, and When the second traffic signal was red before it disappeared, the video was locked as a record for self-protection and evidence collection.

1: Driving recorder

11:Storage unit

12:Image shooting unit

13: Processing unit

14: Communication unit

15:GPS unit

100:Vehicle

101: First traffic signal

102: Second traffic signal

103: Traffic flow server

21~32: Steps

211~214: Sub-steps

221~223: Sub-steps

261~263: Sub-steps

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a block diagram illustrating a driving system used to implement the present invention to retain evidence of driving in compliance with traffic regulations. A driving recorder according to one embodiment of the recorder locking method; Figure 2 is a schematic diagram illustrating a vehicle driving to an intersection; Figure 3 is a flow chart illustrating the driving record used by the present invention to retain evidence of driving in compliance with traffic rules. This embodiment of the device locking method; Figure 4 is a flow chart that illustrates a sub-step of step 21 of this embodiment with Figure 3 Steps; Figure 5 is a flow chart that is used with Figure 3 to illustrate the sub-steps of step 22 of this embodiment; and Figure 6 is a flow chart that is used with Figure 3 to illustrate the sub-steps of step 26 of this embodiment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated with the same numbering.

Referring to FIG. 1 , a driving recorder 1 is illustrated for implementing one embodiment of the driving recorder locking method of the present invention for retaining evidence of driving in compliance with traffic regulations. The driving recorder 1 is installed in a vehicle and includes a storage unit 11, an image capturing unit 12, a communication unit 14, a Global Positioning System (GPS) unit 15, and an electrical connection to the storage unit 11 , the image capturing unit 12 , the communication unit 14 , and the processing unit 13 of the global positioning system unit 15 .

The storage unit 11 stores a plurality of historical intersection passing data. Each historical intersection passing data includes a geographical location of a predetermined distance before an intersection, and a location of the vehicle at the predetermined distance before the intersection. Historical vehicle speed, a historical traffic flow information related to the vehicle passing through the intersection, and a mark indicating whether the vehicle has stayed at the intersection, the storage unit 11 has a data overlay storage area, and a data lock storage area.

The image capturing unit 12 continuously captures images of the exterior of the vehicle to continuously generate videos.

The communication unit 14 is communicatively connected to a traffic flow server 103 .

The processing unit 13 continuously obtains a plurality of vehicle speeds of the vehicle, and continuously obtains a plurality of traffic flow information from the traffic flow server 103 through the communication unit 14, and continuously obtains a plurality of traffic flow information related to the vehicle through the global positioning system unit 15. geographical location. It is worth noting that in this embodiment, the processing unit 13 is electrically connected to the vehicle, and continuously obtains the vehicle speed from the vehicle's on-board diagnostic system (On-Board Diagnostics). The traffic flow server 103 is, for example, Google map, each traffic flow information indicates one of a smooth traffic flow (lane), a medium traffic flow (lane), and a congested traffic flow (lane). In other embodiments, the processing unit 13 can be based on the global positioning system The vehicle speed is calculated based on the geographical location generated by unit 15, but is not limited to this.

It is worth noting that the traffic flow server 103 generates the traffic flow information based on, for example, the average speed of all vehicles on the lane. For example, if the average speed of all vehicles on the lane is almost stationary, traffic flow information indicating traffic (lane) congestion is generated.

Referring to Figures 1, 2, and 3, it is explained how the driving recorder 1 performs this embodiment of the driving recorder locking method of the present invention for retaining evidence of driving in compliance with traffic regulations. The steps involved in this embodiment are described in detail below.

In step 21, the processing unit 13 determines whether the vehicle 100 is in an intersection The predetermined distance before the fork in the road.

Referring to Figure 4, step 21 includes sub-steps 211~214 for further illustration.

In sub-step 211, the processing unit 13 determines whether a currently captured image includes multiple traffic signals on the longitudinal lane in which the vehicle 100 is traveling. When it is determined that the image includes multiple traffic signals on the longitudinal lane where the vehicle 100 is traveling, the process proceeds to step 212; and when it is determined that the image does not include multiple traffic signals on the longitudinal lane where the vehicle 100 is traveling. , then repeat sub-step 211.

In sub-step 212, the processing unit 13 calculates a distance between the reference traffic signal and the vehicle 100 based on the size of the image of a reference traffic signal closest to the vehicle 100 among the traffic signals. relative distance.

It should be noted that since the traffic signal has a standard size, the processing unit 13 can determine the location of the reference traffic signal in the image based on the correlation between the distance between the traffic signal and the vehicle and the size of the traffic signal. The relative distance is calculated based on the size of the traffic signal. Specifically, the types of traffic signals are limited and their sizes are also fixed. We actually shoot these traffic signals through the lens at different distances and compare the image proportions or pixel changes in the screen. A distance comparison table or database can be organized and formed, so that the processing unit 13 can know the current distance between the vehicle and the traffic light, that is, the relative distance, by looking up the table.

In sub-step 213, the processing unit 13 determines whether the relative distance is equal to the predetermined distance to determine whether the vehicle 100 is at the predetermined distance before the intersection. distance. When the processing unit 13 determines that the relative distance is equal to the predetermined distance, it determines the predetermined distance of the vehicle 100 before the intersection, and the process proceeds to step 22; and when the processing unit 13 determines that the relative distance If it is not equal to the predetermined distance, it is determined that the vehicle 100 is not within the predetermined distance before the intersection, and sub-step 211 is repeated.

It is worth noting that in this embodiment, the distance between the vehicle 100 and the intersection is the relative distance between the reference traffic signal and the vehicle 100. In other embodiments, it can also be other reference objects. relative distance, or a defined absolute distance. For example, the storage unit 11 of the driving recorder 1 also stores a plurality of reference geographical locations related to the predetermined distances before multiple intersections. The processing unit 13 determines Whether a current target geographical location matches one of the reference geographical locations to determine whether the vehicle 100 is at the predetermined distance before the intersection, wherein when the processing unit 13 determines the coordinate position of the target vehicle When matching one of the reference coordinate positions, the predetermined distance of the vehicle 100 before the intersection is determined, but is not limited to this.

In step 22 , the processing unit 13 determines whether the vehicle 100 will stay at the intersection based on the historical intersection passing data, the target geographical location, a current target vehicle speed, and a current target traffic flow information. When the processing unit 13 determines that the vehicle 100 has the behavior of staying at the intersection, the process proceeds to step 23; and when the processing unit 13 determines that the vehicle 100 does not have the behavior of staying at the intersection, the process proceeds to step 23. twenty four.

Referring to Figure 5, further examples illustrate that sub-step 22 includes steps 221~224.

In sub-step 221 , the processing unit 13 obtains a plurality of pieces of target historical intersection passing data from the historical intersection passing data according to the target geographical location, including the target geographical location and annotations indicating that the vehicle 100 has not stayed at the intersection. .

In sub-step 222, the processing unit 13 obtains a threshold vehicle speed based on the target historical intersection passing data.

It is worth noting that in this embodiment, the threshold vehicle speed is the lowest historical vehicle speed in the historical intersection passing data including annotations indicating that the vehicle did not stay at the intersection, but it is not limited to this.

In sub-step 223, the processing unit 13 determines whether the target vehicle speed is greater than the threshold vehicle speed. When the processing unit 13 determines that the target vehicle speed is greater than the threshold vehicle speed, the process proceeds to sub-step 224; and when the processing unit 13 determines that the target vehicle speed is not greater than the threshold vehicle speed, the processing unit 13 determines that the vehicle 100 If there is stranded behavior at the intersection, the process proceeds to step 23.

In sub-step 224, the processing unit 13 determines whether the vehicle 100 will stay at the intersection according to the target traffic flow information. When the processing unit 13 determines that the vehicle 100 will stay at the intersection, the process proceeds to step 23; and when the processing unit 13 determines that the vehicle 100 does not stay at the intersection, the process proceeds to step 24.

In this embodiment, in sub-step 224, the processing unit 13 determines whether the target traffic flow information indicates the traffic jam. When it is determined that the target traffic information indicates the traffic jam, the processing unit 13 determines that the target traffic information indicates the traffic jam. The vehicle 100 will have the behavior of staying at the intersection; and when it is determined that the target traffic flow information indicates that the traffic flow is smooth or the traffic flow is medium, the processing unit 13 determines that the vehicle 100 will not have the behavior of staying at the intersection, but does not take this as limit.

For example, the processing unit 13 selects the lowest vehicle speed as the threshold vehicle speed based on the target historical intersection passing data in which the vehicle 100 has previously driven through the intersection multiple times and has not stayed at the intersection. The predetermined distance is, for example, 10 meters, for example, the threshold speed is 20 kilometers per hour, which means that 10 meters before the intersection, the vehicle must maintain a speed of at least 20 kilometers per hour to pass smoothly, so the vehicle 100 is 10 meters before the intersection. When, if the target vehicle speed is not greater than 20 kilometers per hour, the processing unit 13 determines that it will be stuck; on the contrary, if the target vehicle speed is greater than 20 kilometers per hour, the processing unit 13 will confirm whether the target traffic flow information indicates that the traffic flow is blocked, If the target traffic flow information indicates that the traffic flow is blocked, the processing unit 13 determines that the vehicle 100 will stay at the intersection.

It should be noted that in other embodiments, the driving recorder 1 may not include the communication unit 14, and the processing unit 13 may generate traffic flow information based on a current image captured at the current time and a previous image captured at the previous moment, for example The processing unit 13 determines that there is a presence in front of the lane based on the displacements of all vehicles in the current image and the previous image. Among multiple stationary vehicles, these stationary vehicles account for 50% of all vehicles in the lane in the current image, and the threshold to reach congestion is 60%, and the threshold to reach medium is 40%, so Generate traffic flow information indicating the average traffic flow (lane). To determine whether the vehicle ahead is stationary, object recognition can be performed on the image through the symmetrical appearance of the rear of the car, and then through object tracking and other methods to determine whether the object has a movement trajectory. However, this image recognition technique is not the focus of the invention, so in this case This will not be described in detail.

In step 23 , the processing unit 13 generates a first message related to not recommending passing through the intersection.

In step 24, the processing unit 13 generates a second message related to the proposed crossing of the intersection.

It is worth noting that the driving recorder 1 can prompt the first message or the second message in text or voice, but is not limited to this.

In step 25 , the processing unit 13 determines whether the latest generated video includes multiple traffic signals on the longitudinal lane in which the vehicle 100 is traveling. When the processing unit 13 determines that the longitudinal lane in which the vehicle 100 is traveling in the video includes multiple traffic signals, the process proceeds to step 26; and when the processing unit 13 determines that the longitudinal lane in which the vehicle 100 is traveling in the video is included. If there are no plural traffic signals, repeat step 25.

It is worth noting that in this embodiment, the processing unit 13 determines whether the traffic signal is correct based on the direction of the road, characters, numbers, and the heads of other vehicles. In the longitudinal lane in which the vehicle 100 travels, but is not limited to this.

In step 26 , the processing unit 13 determines a first traffic signal 101 that is relatively closest to the vehicle 100 among the traffic signals in the video, and other than the first traffic signal 101 that is relatively close to the vehicle 100 Whether the nearest second traffic signal 102 is all green. When the processing unit 13 determines that the first traffic signal 101 and the second traffic signal 102 are both green, the process proceeds to step 27; and when the processing unit 13 determines that the first traffic signal 101 and the third traffic signal are green. When one of the two traffic signals 102 is not green, step 25 is repeated.

It is worth noting that in this embodiment, the processing unit 13 determines whether the first traffic signal 101 and the second traffic signal 102 are both based on the image of the traffic signal appearing for the first time in the video. Green light, but not limited to this.

Referring to Figure 6, further examples illustrate that sub-step 26 includes steps 261~263.

In sub-step 261, the processing unit 13 obtains a plurality of signal size information respectively corresponding to the traffic signals according to one of the traffic signal images in the video including the traffic signals.

It is worth noting that in this embodiment, the signal size information obtained by the processing unit 13, each signal size information includes the area of the corresponding traffic signal in the traffic signal image. In other embodiments, , each signal size information includes the number of pixels included in the traffic signal image of the corresponding traffic signal, but is not limited to this.

In sub-step 262, the processing unit 13 obtains the first traffic signal 101 whose corresponding signal size information is the relatively largest according to the signal size information, and the corresponding signal size information is divided into the first traffic signal 101 and the corresponding signal size information. In addition to the signal size information corresponding to signal 101, the second traffic signal 102 is the relatively largest one.

In sub-step 263, the processing unit 13 determines whether the first traffic signal 101 and the second traffic signal 102 of the traffic signals are both green lights.

In step 27 , the processing unit 13 stores a vehicle speed data related to the first traffic signal 101 disappearing from the field of view of the image capturing unit 12 to the storage unit 11 .

It is worth noting that in other embodiments, the driving recorder may further include a sensing unit electrically connected to the processing unit 13. The sensing unit is used to continuously sense the speed of other vehicles near the vehicle 100. A speed data also includes at least one speed related to other vehicles and at least one acceleration related to other vehicles, that is, the speed data when the signal disappears also includes at least one speed related to other vehicles when the first traffic signal 101 disappears. Vehicle speed and at least one relative acceleration relative to other vehicles, but not limited to this.

In step 28 , the processing unit 13 determines whether the second traffic signal 102 in the video is a red light before disappearing from the field of view of the image capturing unit 12 . When the processing unit 13 determines that the second traffic signal 102 is not a red light before disappearing, the process proceeds to step 29; and when the processing unit 13 determines that the second traffic signal 102 is a red light before disappearing. When , it indicates that the vehicle 100 is stuck at the intersection, and the process proceeds to step 30 .

In step 29 , the processing unit 13 generates and stores historical intersection passing data to the storage unit 11 , and repeats step 21 . The historical intersection passing data includes a predetermined distance related to the vehicle 100 before the intersection. speed, and a sign indicating that there is no intersection behavior.

In step 30 , the processing unit 13 locks the video, and generates and stores historical intersection passing data to the storage unit 11 . The historical intersection passing data includes information about the vehicle 100 before the intersection. the speed of the vehicle for the predetermined distance, and a sign indicating the behavior of staying at the intersection.

It is worth noting that in this embodiment, the processing unit 13 stores the video in the data lock storage area of the storage unit 11 to perform lock processing, but is not limited to this.

In step 31, the processing unit 13 calculates the length of an intersection based on the video.

It is worth noting that in this embodiment, the processing unit 13 calculates a first relative distance between the vehicle 100 and the first traffic signal based on the size of the first traffic signal 101 in the image, and Calculate a second relative distance between the vehicle 100 and the second traffic signal based on the size of the second traffic signal 102 in the image, and then subtract the first relative distance from the second relative distance. To obtain the length of the intersection, for example, the processing unit 13 determines the distance between the vehicle 100 and the first traffic signal 101 Before using 1080 = 2211840, the first pixel accounts for 11% of the total pixels. After the vehicle 100 travels 5 meters, the processing unit 13 calculates the relative distance between the first traffic signal 101 and the second traffic signal 102 A second pixel, the second pixel example is 486604, it can be seen that the second pixel accounts for 22% of the total pixels, the processing unit 13 changes the distance between the vehicle 100 and the first traffic signal 101 and the traffic signal The distance between the vehicle 100 and the first traffic signal 101 and the distance between the vehicle 100 and the second traffic signal 102 are estimated based on the proportional relationship between the changes in the pixel ratio, but are not limited to this.

In other embodiments, the storage unit 11 also stores a map information. Since the government defines lane widths, lanes of different natures have different width definitions. Therefore, the processing unit 13 can obtain the attributes of each road based on the map information. (such as urban roads), the attributes will correspond to the corresponding road width, that is, the processing unit 13 first obtains the road attributes/lanes of a transverse lane perpendicular to a longitudinal lane where the vehicle 100 is traveling based on the map information. , from which the width of the transverse lane can be estimated. For example, the processing unit 13 first obtains based on the map information that the vehicle 100 is driving on Fuxing South Road and passes through Section 4 of Zhongxiao East Road that is perpendicular to Fuxing South Road, and Zhongxiao East Road is It belongs to the classification of main roads and secondary roads in urban roads. According to regulations, the distance shall not be less than 3 meters. If the image captures that the 4th section of Zhongxiao East Road has a four-lane road in one direction, it will lead from Fuxing South Road. Afterwards, the processing unit 13 calculates that the length of the intersection is approximately 3*8+6=30 meters, of which 6 meters is some estimated width of the roadside, but is not limited to this.

In step 32, the processing unit 13 estimates whether the intersection can be passed reasonably based on the length of the intersection and the vehicle speed data when the sign disappears, and repeats step 21. If it is deduced that the intersection can be passed reasonably, the user can claim the legality of his driving.

It should be particularly noted that in this embodiment, the processing unit 13 of the driving recorder 1 calculates a passing time interval related to passing the intersection based on the length of the intersection and the vehicle speed data when the sign disappears, and determines the passing time interval of the intersection. Whether the passing time interval is greater than a preset time interval is used to determine whether the intersection can be reasonably passed, where the preset time interval is, for example, the average passing time interval plus a buffer time. In other embodiments, the user The video can be downloaded from the driving recorder 1 through the mobile application (app) related to the driving recorder 1 on the smart device, and the length of the intersection can be calculated and whether the intersection can be reasonably passed, that is, the steps are not included. 31, 32, repeat step 21 after step 30, but not limited to this.

To sum up, in the method of the present invention, when the processing unit 13 determines that the vehicle 100 is at the predetermined distance before the intersection and the vehicle 100 will stay at the intersection, it generates a message that it is not recommended to pass through the intersection. The second message is used to reduce the risk of the vehicle 100 staying at the intersection, and it is determined that the longitudinal lane in which the vehicle is traveling in the video includes multiple traffic signals, the first traffic signal and the second traffic signal. When the light is green, and when the light is red before the second traffic signal disappears, the video is locked as a record for self-protection and evidence collection, so the purpose of the present invention can indeed be achieved.

However, the above are only examples of the present invention. They cannot be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the contents of the patent specification are still within the scope of the present invention. within the scope covered by the patent of this invention.

21~32: Steps

Claims (11)

A driving recorder locking method for retaining evidence of driving in compliance with traffic regulations, applicable to a vehicle, implemented by a driving recorder, and the driving recorder is used to continuously capture images of the exterior of the vehicle to continuously generate videos. The method The method includes the following steps: (A) Determining whether the latest generated video contains multiple traffic signals on the longitudinal lane where the vehicle is traveling; (B) When determining whether the video contains multiple traffic signals on the longitudinal lane where the vehicle is traveling When the traffic signal is stopped, it is determined based on the video whether a first traffic signal among the traffic signals that is relatively closest to the vehicle and a second traffic signal other than the first traffic signal that is relatively close to the vehicle are both Green light; (C) When it is determined that both the first traffic signal and the second traffic signal are green, determine whether the second traffic signal was a red light before it disappeared based on the video; and (D) When it is determined that the second traffic signal is a red light before it disappears; When the second traffic signal is a red light before it disappears, the video is locked. The driving recorder locking method for retaining evidence of driving in compliance with traffic regulations as described in claim 1, wherein step (B) includes the following sub-steps: (B-1) When it is determined that the vehicle is driving in the video When multiple traffic signals are included in the longitudinal lane, multiple signal size information corresponding to the traffic signals are obtained based on one of the traffic signal images in the video including the traffic signals; (B-2) According to the The corresponding signal size information obtained by equal signal size information is the relatively largest first traffic signal, and the corresponding signal size In addition to the signal size information corresponding to the first traffic signal, the information is the relatively largest second traffic signal; and (B-3) determine the first traffic signal and the second traffic signal among the traffic signals. Whether all ambitions are green. As described in claim 1, the driving recorder locking method is used to retain evidence of driving in compliance with traffic regulations. The driving recorder is also used to continuously obtain the speed data of the vehicle. After step (B), the following steps are also included: E) When it is determined that both the first traffic signal and the second traffic signal are green, store a signal-disappearance speed data related to the first traffic signal when it disappears; after step (D), it also includes The following steps: (F) Calculate the length of an intersection based on the video; and (G) Determine whether the intersection can be reasonably passed based on the length of the intersection and the speed data when the sign disappears. As described in claim 1, the driving recorder locking method used to retain evidence of driving in compliance with traffic regulations, the driving recorder is also connected to a traffic flow server, and the driving recorder is also used to continuously obtain the speed of the vehicle and continuously Obtain multiple pieces of traffic flow information from the traffic flow server, and continuously obtain multiple geographical locations related to the vehicle. The driving recorder stores multiple pieces of historical intersection passing data, and each historical intersection passing data includes an intersection. a geographical location at a predetermined distance before the intersection, a historical speed of the vehicle at the predetermined distance before the intersection, historical traffic flow information related to the vehicle when passing through the intersection, and an indication of the vehicle Whether there is annotation of stranded behavior at intersections, the following steps are included before step (A): (H) Determine whether the vehicle is the predetermined distance before an intersection; (I) When it is determined that the vehicle is the predetermined distance before the intersection, based on the historical intersection passing data, a current The target geographical location, a current target vehicle speed, and a current target traffic flow information are used to determine whether the vehicle will be stranded at the intersection; (J) When it is determined that the vehicle will be stranded at the intersection, a message indicating that it is not recommended to pass the intersection is generated. The first message of the intersection; and (K) when it is determined that the vehicle will not stay at the intersection, generate a second message related to the proposal to pass the intersection. The driving recorder locking method for retaining evidence of driving in compliance with traffic regulations as described in claim 4, wherein step (I) includes the following sub-steps: (I-1) When it is determined that the vehicle is at a distance from the intersection When the predetermined distance is reached, a plurality of pieces of target historical intersection passing data are obtained from the historical intersection passing data based on the target geographical location and include the target geographical location and annotations indicating that the vehicle has not stayed at the intersection; (I-2) Obtain a threshold speed from the target historical intersection data; (I-3) determine whether the target speed is greater than the threshold speed; and (I-4) when it is determined that the target speed is greater than the threshold speed, based on the target traffic flow The information determines whether the vehicle will be stuck at the intersection. The driving recorder locking method for retaining evidence of driving in accordance with traffic regulations as described in claim 5, wherein in sub-step (I-2), the threshold speed includes a mark indicating that the vehicle does not stay at the intersection. historical intersection Pass the lowest historical speed in the data. For example, in the driving recorder locking method for retaining evidence of driving in compliance with traffic regulations as described in claim 5, each traffic flow information indicates one of a smooth traffic flow, a medium traffic flow, and a blocked traffic flow, wherein, sub In step (I-4), it is determined whether the target traffic flow information indicates that the traffic flow is blocked. When it is determined that the target traffic flow information indicates that the traffic flow is blocked, it is determined that the vehicle will be stuck at the intersection. When it is determined that the target traffic flow information indicates that the traffic flow is blocked, When it is indicated that the traffic flow is smooth or the traffic flow is medium, it is determined that the vehicle will not stay at the intersection. The driving recorder locking method used to retain evidence of driving in compliance with traffic regulations as described in request item 4 also includes the following steps after step (C): (L) When it is determined that the second traffic signal is not When the light is red, a historical intersection passing data is generated and stored. The historical intersection passing data includes a speed related to the predetermined distance of the vehicle before the intersection, and a mark indicating that there is no stuck behavior at the intersection; wherein , in step (D), a historical intersection passing data is also generated and stored. The historical intersection passing data includes a vehicle speed of the predetermined distance before the intersection, and a mark indicating a stuck behavior at the intersection. The driving recorder locking method for retaining evidence of driving in compliance with traffic regulations as described in claim 4, wherein step (H) includes the following sub-steps: (H-1) Determine whether the vehicle is driving in a currently captured image Whether the longitudinal lane of the image includes multiple traffic signals; (H-2) When it is determined that the image contains multiple traffic signals on the longitudinal lane of the vehicle, based on which one of the traffic signals is closest to the vehicle The reference traffic signal is at the size of the image, and the reference traffic signal is calculated a relative distance between the traffic signal and the vehicle; and (H-3) determining whether the relative distance is equal to the predetermined distance to determine whether the vehicle is at the predetermined distance before the intersection. As described in claim 4, the driving recorder locking method for retaining evidence of driving in compliance with traffic regulations, the driving recorder stores a plurality of reference geographical locations related to the predetermined distances before multiple intersections, wherein, In step (H), it is determined whether a currently generated target geographical location matches one of the reference geographical locations to determine whether the vehicle is at the predetermined distance before the intersection distance. As described in claim 1, the driving recorder locking method for retaining evidence of driving in compliance with traffic regulations, the driving recorder includes a storage unit, the storage unit has a data overwriteable storage area, and a data locking storage area , wherein, in step (D), the video is stored in the data lock storage area.

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