Traffic lane deviation preventing device

摘要: PROBLEM TO BE SOLVED: To avoid imparting a trouble feeling to driver by the operation of traffic lane deviation alarm caused unintentional traveling vehicle near merging in juncture section or like. SOLUTION: This prevention device is provided with front camera 1 and rear 2 picking up images its own vehicle, detects right left partitioning lines on basis respective pickup images. For example, when detection state line transits pattern wherein side are lost this order from detecting lines, newly detected order, decides that travels joins changes threshold value Ythr for decision direction larger Ythr2. When it comes into both front-and-left detected, passage completed, gradually returns normal Ythr1 after prescribed time lapses. COPYRIGHT: (C)2005,JPO&NCIPI