Method for identification of traffic lane boundary
AssigneeNational Chiao Tung University
InventorsYow-Jen Jou, Hsun-Jung Cho, Yu-Kuang Chen, Heng Huang, Chia-Chun Hsu, Rih-Jin Li, Chien-Lun Lan, Ming-Te Tseng
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Abstract
The invention provides a method for identification of traffic lane boundary. Firstly the microwave signal is received, and the noise reduction is treated for the microwave signal. Then the frequency domain information is employed to calculate the legal set of closed interval, in order to form the frequency span information. Finally, the probability density function model is employed to calculate the frequency span information in order to identify the traffic lane boundary.
Claims7
A method for identification of traffic lane boundary by using the treatment of conflict information, comprising:
- receiving a microwave signal and said microwave signal being converted to a frequency domain information by Fourier Transformation, wherein;
- treating a noise reduction for the frequency domain information by filtering an unnecessary frequency domain information from said microwave signal;
- forming a frequency span information by employing a frequency domain information to calculate a plurality of closed intervals;
- checking whether a first distance between two of said closed intervals is smaller than a setting threshold value;
- checking whether a second distance of others of said closed intervals is smaller than said setting threshold value;
- checking all of said closed intervals and a single existed frequency domain alone;
- carrying out a treatment of conflict information in order to adjust said frequency span information;
- and
- identifying a traffic lane boundary by an accumulated frequency span.
Dependencies are inferred from the claim text.