| CPC G08G 1/0967 (2013.01) [G08G 1/0112 (2013.01); G08G 1/052 (2013.01)] | 6 Claims | 

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               1. An information processing device, comprising: 
            an acquisition unit that acquires travel information related to travel of a vehicle and information of regulation display that has been converted into information from a captured image of the regulation display, the image being an image captured by a camera mounted on the vehicle; 
                a preprocessing unit that sets, when a reliability of the information of the regulation display that has been converted into information is equal to or higher than a threshold value, the information to a regulation value of regulation values; and updates the regulation value at a certain time with any one of the regulation values in a certain section including the certain time; and 
                a diagnosis unit that diagnoses a violation when the travel of the vehicle based on the travel information satisfies a violation condition based on the updated regulation value, 
                wherein 
                the regulation display is a display related to speed limit, 
                the information of the regulation display is the speed limit, and 
                the preprocessing unit updates all the regulation values in the certain section with a maximum value of the regulation values in the certain section. 
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