Optical Gaze Research Articles

Portable High-Speed Optical Gaze Controller with Vision Chip

It is important to miniaturize robot systems while maintaining advantages such as high responsiveness and functionality for human-machine interactions and for achieving integration with other robotic systems such as drones. In this research, we focused on the miniaturization of a high-speed visual feedback system, and developed a “portable saccade mirror,” which is a system that can realize active target tracking using 1000 Hz image capturing, processing, and feedback actuation with only 3 ms latency in a handheld device. By using a three-dimensionally-stacked vision chip, the proposed system achieved high speed, low latency, low power consumption and compact size, and therefore, can be considered as a good example of a miniaturized high-speed visual feedback system. In this study, we evaluated the performance of the proposed system in comparison with the conventional optical gaze controller, and demonstrated some applications, such as tracking field scope and panorama target scanning.

光学式視線制御機構による高速ビジュアルトラッキング

光学式視線制御機構による高速ビジュアルトラッキング

Avoid Contact with the Eyes and Skin, May Cause Irritation: Agnès Varda’s La Pointe courte (1954)

Abstract When, through highly atypical financial and creative means, French filmmaker Agnès Varda’s first feature film The Pointe Courte (La Pointe courte, 1954) first appeared on cinema screens, a fragment of contemporary commentators thought it hampered by “defects,” “blunders,” and “follies.” Its perceived infirmity compounded further by a “rather irritating intellectual dryness,” implying contact with the film may cause itching. A more material, rather than intellectual engagement with the film, then, may offer a means to overcome such reservations; a piste this article pursues. In doing so, I draw on the thought of contemporary French thinker Jean-Luc Nancy and his proposition that all images are flowers and the mobilised look such thinking engenders which oscillates between an optical gaze and a haptic graze. A look mobilized thanks to the contact it makes with wood’s textured, internal ornament and which undoes the material myopia by which the film’s existing critical landscape has itself been hampered.

2A1-L10 サッカードミラーと画像処理を用いた高速飛翔体の映像計測(ロボットビジョン)

In this paper, we report a method of observing dynamic flying objects such as a ball in a sport game stably and continuously. We have developed the Saccade Mirror, the high-speed optical gaze controller, and it has achieved an arbitrary gaze direction within ±30 [deg] in less than 3.5ms. However, even if a target tracking system is developed with it, some visible tracking errors still has been appeared mainly because of a computer's delay. We applied a real-time image processing to images obbtained by a target tracking system with the Saccade Mirror and resolved the tracking errors. Then, we could successfully observe an impact of a rubber ball by a racket.