Accident rating model and method for optimizing storage space of automobile data recorder

Abstract

The invention belongs to the technical field of automobiles, and particularly relates to an automobile data recorder system and a storage space optimization method. The method comprises the steps: S1, acquiring historical traffic flow data, historical traffic flow type data, road attributes and accident conditions through road video monitoring, and dividing traffic flow grades, vehicle complexity grades and road grades of all road sections and all time periods; s2, according to the traffic flow grade, the vehicle complexity grade and the road grade of each road section and each time period, constructing an accident rating model described in the claim 1; s3, acquiring vehicle road information of a current road section, and calculating a risk index D of the current road section according to the accident rating model; and S4, obtaining a storage space of corresponding video data according to the risk index D of the current road section. According to the invention, the storage space is divided according to the risk index, the storage method is optimized, and the problems that the storage card is always full and the original video data is covered by the newly recorded video data when the cyclic recording is adopted are avoided.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to an accident rating model and method for optimizing storage space of a driving recorder. Background technique [0002] The driving recorder has many functions such as video and sound on the way of recording the vehicle, which can provide many conveniences for the driver. The memory card is full of problems in many driving recorders. Insufficient storage space will cause the driving recorder to fail to record driving images normally. The main solution at present is: change the way of the driving recorder to loop recording, then the newly recorded video data will cover all the original video data, so that the continuous loop will not cause insufficient memory card capacity. . The disadvantage of this method is that if the new video covers the original video and the original video is not saved in time, the original important video data will be lost. [0003] Based ...

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Problems solved by technology

[0004] The purpose of the present invention is to provide an accident rating model and method for optimizing the storage space of the driving recorder, so as to divide the storage space of different sizes according to the road conditions, thereby solving the problem that the driving recorder is often full of memory cards

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