Mr. Daiki Teraya Profile

Daiki Teraya

at Nagaoka Univ of Technology

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Proceedings Article | 13 May 2015 Paper

A telephoto camera system with shooting direction control by gaze detection

Daiki Teraya, Takumi Hachisu, Tomohiro Yendo

Proceedings Volume 9481, 94810N (2015) https://doi.org/10.1117/12.2177019

KEYWORDS: Cameras, Imaging systems, Sensors, Scanners, Light emitting diodes, Control systems, Mirrors, Display drivers, Roads, Reflection

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For safe driving, it is important for driver to check traffic conditions such as traffic lights, or traffic signs as early as soon. If on-vehicle camera takes image of important objects to understand traffic conditions from long distance and shows these to driver, driver can understand traffic conditions earlier. To take image of long distance objects clearly, the focal length of camera must be long. When the focal length is long, on-vehicle camera doesn’t have enough field of view to check traffic conditions. Therefore, in order to get necessary images from long distance, camera must have long-focal length and controllability of shooting direction. In previous study, driver indicates shooting direction on displayed image taken by a wide-angle camera, a direction controllable camera takes telescopic image, and displays these to driver. However, driver uses a touch panel to indicate the shooting direction in previous study. It is cause of disturb driving. So, we propose a telephoto camera system for driving support whose shooting direction is controlled by driver’s gaze to avoid disturbing drive. This proposed system is composed of a gaze detector and an active telephoto camera whose shooting direction is controlled. We adopt non-wear detecting method to avoid hindrance to drive. The gaze detector measures driver’s gaze by image processing. The shooting direction of the active telephoto camera is controlled by galvanometer scanners and the direction can be switched within a few milliseconds. We confirmed that the proposed system takes images of gazing straight ahead of subject by experiments.

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