| 摘要 |
An alerting system of a vehicle deviating from its traffic lane on a highway or road is disclosed. It includes at least one left-side determining device, at least one right-side determining device and a warning device. For each side, its light intensity detector obtains a light intensity signal function first. A light intensity variation judging module makes a judge. Aft, it utilizes a misjudging preventing module to avoid the misjudging before sending out a warning signal that can activate a warning action. The advantages and functions of this invention includes having a changeable judging base depending on its environment, lowering the possibility of misjudging caused by shadow, and having several post-processing steps.
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