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This paper proposes a light-weight sensor platform that consists of gyro-assisted odometry and a 3D laser scanner for localization of human-scale robots. The gyro-assisted odometry provides highly accurate positioning only by dead-reckoning. The 3D laser scanner has a wide field of view and uniform measuring-point distribution. Robust and computationally inexpensive localization is implemented on...
View direction is meaningful information for understanding the person's will. For this reason many researches have been done to utilize eye-gaze as a certain input signal to the computer. The methods of detecting view direction are divided into two groups. The one uses a specialized hardware device including an infrared as a light source and the other uses image data. In this paper we describe how...
A photon-counting mode X-ray imaging device has a lot of interests, such as high-sensitivity and energy-discrimination. We have studied about photon-counting mode X-ray image sensor which was constructed with CdTe, and already developed for the line sensor. The imaging device that could detect X-rays by using Field Emitter Array (FEA) was proposed. The resolution of the image is decided by the spot...
We are developing robots for inspection of the under floor of houses. The developed robot system is reported in this paper. The mobile robot platform is based on a crawer type robot developed for rescue purposes. As sensors, a pan-tilt-zoom camera, top-view camera and SOKUIKI sensor are used. We constructed a test field and verified the performance of the robot.
We propose a method of objects tracking implemented on a smart image sensor. This method is able to detect not only the moving vector on a 2D plane but also the moving direction in a depth axis at very high speed such as more than 1000 fps. The proposed method uses not a normal block-based approach adopted by various smart sensors but a pixel-based approach using frame difference between neighbor...
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