Vehicle intelligent method capable of automatically recognizing road speed-limit sign

A speed limit sign and automatic recognition technology, applied in the direction of vehicle parts, character and pattern recognition, instruments, etc., can solve problems such as maintenance and maintenance difficulties, deprivation of the driver's right to know the real-time driving status, lack of humanized management, etc.
CN101508300AInactive Publication Date: 2009-08-19SHANGHAI JIAO TONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI JIAO TONG UNIV
Publication Date
2009-08-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a vehicle intelligent method for automatically identifying road speed limit signs in the technical field of vehicle intellectualization. The vehicle intelligent method comprises the following steps: (1) acquiring road speed limit sign images respectively; (2) establishing speed limit sign template databases; (3) acquiring speed limit sign images; (4) carrying out reinforcement processing on the images and removing noise; (5) determining a searching area of the speed limit signs of the images; (6) transferring a speed limit sign template of a database of a corresponding type so as to carry out matching and identifying calculations; (7) automatically accumulating the template matching rate; (8) judging whether the vehicle is overspeed or not; (9) under the action of a control instruction, automatically limiting the speed of the vehicle within the range of the limit speed, and warning drivers to know limit speed information; and (10) repeating the process from the step (3) to the step (9). The vehicle intelligent method can further improve the automatic and intelligent level in the aspect of guaranteeing the vehicle to run safely, and cannot cause the vehicle to overspeed because of the neglect of the drivers.
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Description

technical field

[0001] The invention relates to a vehicle intelligent method in the technical field of information processing, in particular to a vehicle intelligent method for automatically identifying road speed limit signs. Background technique

[0002] For the safety of roads and vehicles, urban roads and high-grade highways, especially expressways, must set vehicle speed limit signs on each road section, so as to remind vehicle drivers to control the speed and drive carefully, so as to avoid illegal or even traffic accidents due to speeding. cause a traffic accident. However, when there are few vehicles in front, the driver of the vehicle tends to neglect his own driving speed, resulting in speeding. Although with the advancement of science and technology, many roads have been installed with vehicle speed monitoring devices, but judging from their effects, they are basically punitive technical means and measures, warning drivers to obey traffic regulations through puni...

Claims

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