Driving assistance device and raindrop detection method therefor

Driving assistance device and raindrop detection method therefor

  • CN 103,477,624 A
  • Filed: 03/08/2012
  • Published: 12/25/2013
  • Est. Priority Date: 04/13/2011
  • Status: Active Application
First Claim
Patent Images

1. a driving assist system, provide various information according to the image pickup result around moving body to the driver of moving body, it is characterized in that possessing:

  • Image unit, it is loaded into above-mentioned moving body, takes the image on every side of a part that comprises this moving body;

    The first edge line memory cell, it stores the first edge line, this first edge line be according to by above-mentioned image unit, usually the time, photographed first around image and detected;

    Computing unit, it calculates by above-mentioned first edge line of above-mentioned the first edge line cell stores and the consistent degree of the second edge line, this second edge line be according to by above-mentioned image unit current shooting to second around image and detected;

    AndThe raindrop identifying unit, it descends to judge that based on above-mentioned the first edge line and the consistent degree of above-mentioned the second edge line the lens section of above-mentioned image unit is attached with raindrop.

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