| 摘要 |
PROBLEM TO BE SOLVED: To provide a outside car control device which can accurately detect a dry condition on the road. SOLUTION: A road dry decision part 12c decides that the road is not dry when a road average brightness Br computed in a road confirmation part 11 is large or road surface data value I computed in a distance data count part 12a is large and also a brightness dispersion value VAR computed in a brightness dispersion computing part 12b is large. To the road which is decided as dry the road dry decision part 12c decides that the road is dry when a under road data value J computed in the distance data count part 12a is small. And also the road dry decision part 12c decides that the road is dry when a car line reliable value D computed in the road confirmation part 11 is high even when the under-road data value J is large. |
