IMAGE PROCESSING APPARATUS

An image processing apparatus that identifies a light emitting state of a traffic light having a green light, a yellow light and a red light from a camera image includes a controller configured to: (i) detect, from the camera image, each of green pixels, yellow pixels, and red pixels of the green, y...

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Bibliographische Detailangaben
Hauptverfasser: KINOSHITA, Shota, NISHIJIMA, Yasutaka, KAKITA, Naoshi, KONO, Takashi, MATSUMOTO, Yuki
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An image processing apparatus that identifies a light emitting state of a traffic light having a green light, a yellow light and a red light from a camera image includes a controller configured to: (i) detect, from the camera image, each of green pixels, yellow pixels, and red pixels of the green, yellow and red lights of the traffic light; (ii) identify a light emitting region and non-light emitting regions from the green pixels, the yellow pixels and the red pixels that have been detected by comparing the detected pixels to predetermined threshold values; and (iii) determine the light emitting state of the traffic light according to results of relative comparison of luminance and saturation between the light emitting region and the non-light emitting regions that have been identified.