A water-droplet detecting apparatus according to an embodiment includes a setting unit, a first extraction unit, a second extraction unit, and a determination unit. The setting unit sets concentric circles having a center at arbitrary one point of a captured image of an image capturing unit. The first extraction unit extracts candidate pixels based on gradients of pixels on a circumference of each of the concentric circles. The candidate pixels are candidates for pixels that are estimated to indicate a water droplet adhered to the image capturing unit. The second extraction unit extracts one or more candidate circles based on the candidate pixels extracted by the first extraction unit. The one or more candidate circles are candidates for circles that indicate a shape of the water droplet. The determination unit determines whether or not the water droplet is adhered based on an extraction result of the second extraction unit.


    Access

    Download


    Export, share and cite



    Title :

    WATER-DROPLET DETECTING APPARATUS, WATER-DROPLET DETECTING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM


    Contributors:

    Publication date :

    2018-03-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



    Liquid-droplet detecting apparatus, liquid-droplet detecting method, and computer-readable recording medium

    KONO TAKASHI / HASHIMOTO JUNJI / TANI YASUSHI et al. | European Patent Office | 2019

    Free access

    METHOD FOR DETECTING ROAD SIGN, APPARATUS AND COMPUTER READABLE RECORDING MEDIUM

    HE NA / LIU DIANCHAO / SHI ZHONGCHAO et al. | European Patent Office | 2019

    Free access

    ELEVATOR COMPRISING WATER DROPLET DETECTING MEANS IN CAGE AND POUR WATER CONTROL OPERATION METHOD

    WAKABAYASHI SHOICHI / MIYAGAWA YUKIHIRO | European Patent Office | 2019

    Free access

    WATER DROPLET WIPER

    HIRAI TADASHI | European Patent Office | 2016

    Free access

    WATER DROPLET REMOVING DEVICE

    TOTSUKA YUJI | European Patent Office | 2018

    Free access