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US 11,142,124 B2Granted
Adhered-substance detecting apparatus and vehicle system equipped with the same
AssigneeClarion Co., Ltd.
InventorsKohei Mandai, Takehito Ogata, Daisuke Fukuda, Shuzo Kaneko
Life of this patent
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Abstract
An adhered-substance detecting apparatus capable of detecting adhered substances such as water droplets, mud, and dust, including those with ambiguous outlines, which adhere to, for example, a lens for an imaging apparatus, and a vehicle system equipped with the adhered-substance detecting apparatus are provided.
Claims12
An adhered-substance detecting apparatus for detecting an adhered substance appearing in a captured image photographed by an imaging apparatus installed at a moving body, the adhered-substance detecting apparatus comprising:
- an outline extraction unit that extracts an area of an outline of the adhered substance from the captured image as an outline area;
- an inside extraction unit that extracts an area being inside the outline of the adhered substance from the captured image as an inside area;
- an adhered-substance-detected area judgment unit that:
- compares the outline area with an outline of a first predetermined adhered substance and detects the outline area with either one of matching shape and matching luminance as an adhered substance outline area,
- compares the inside area with an area being inside an outline of a second predetermined adhered substance and detects the inside area with either one of matching shape and matching luminance as an adhered substance inside area, and
- detects an area of the adhered substance, which is composed of either one of an outline of an adhered substance and an area being inside an outline of an adhered substance, as an adhered-substance-detected area from either one of the adhered substance outline area and the adhered substance inside area.
3 more elements
Dependencies are inferred from the claim text.