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The measurement of relative vessel positioning is important to prevent the risk of vessel collision or the deterioration of working efficiency. This study presents a vision-based system for measuring the relative position and heading between a vessel and a target object without the installation of transponders, reflectors, or markers. Such a markerless measurement system, which is not restricted by...
In this study, we propose a measurement system consists of two pairs of multiple cameras mounted on a pan-tilt unit and a landmark installed on a target side. The purpose of the proposed system is to measure relative position and heading angle of a vessel to a target at a close distance, in order to reduce collision risks by automation of vessel positioning that requires high measurement accuracy...
This paper describes the highly accurate stereo-based measuring and tracking system that measures the distance to a specific landmark installed on a target side. Our goal is to obtain the accurate distance from a vessel to a target such as a wharf for precise vessel control. In order to achieve this, the system should have high distance measurement accuracy and the robustness against waving motion...
In this study, we present a cloud VR system with immersive interfaces for collecting human gaze-controls and interpersonal-behaviors. Human beings can log in to a VR space and naturally communicate with each other and a robot by using immersive interfaces. An HMD (Head Mounted Display) device and a Kinect sensor provide immersive visualization and motion control, respectively. If users have these...
A long distance measurement system using a stereo camera mounted on a rotation control device is proposed for automatic ship control, and the performance of the system is presented to verify the usefulness of it. As a solution to prevent ship operators from maritime accidents owing to their strain for a long period, the distance measurement system is often required to automatically control the posture...
The usability of wearable augmented reality (AR) systems would improve by letting users arbitrarily display virtual information on their palm and simultaneously manipulate it as tablet computers or smartphones. To realize such interaction between users and virtual information, we aim to robustly estimate 3-D palm posture against finger motion. This is based on the assumption that finger motion is...
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