Hiroshi Ikeoka

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We have been investigating a depth estimation system for use in automobile applications. Conventional methods with stereo camera are too sensitive to slight variations of baseline length due to vibration and temperature. Conversely, the method that uses a monocular camera by focusing cannot provide a balance between wide-area estimation and realtime(More)
It is possible to make depth measurements with comparative ease using the stereo camera method. However, because a lengthy baseline is required, this technique is not readily applicable to in-vehicle tasks, which need to be robust to accommodate various disturbances. Also, it is impossible to use conventional monocular-camera methods over a wide visible(More)
In various fields such as measurement of the distance between cars and three-dimensional recognition in robotics, the depth needs to be estimated over a wide range. For this purpose, we propose a depth estimation method that uses a ground-in-focus image taken by a tilted lens optics camera. Our proposed method detects edges by local scale control. It then(More)
Since the middle ear lining is an extension and a modification of the respiratory mucosa, it is conceivable that it has a mucociliary system and it plays an important role in clearance of the tympanic cavity. It was already noted in morphological studies that the middle ear lining had ciliated cells. To our knowledge, however, ciliary activity has never(More)
The ciliary activity in some pathological middle ear lining was discussed with special reference to the morphology of the epithelial cells in this paper. The changes in ciliary activity due to in vitro Staphylococcus aureus injection did not practically show any differences between the sites. On the other hand, the time-course changes in ciliary activity(More)
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