Patent
Target follow-up device and camera comprising the same
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TLDR
In this article, a target follow-up device was proposed to follow up the position of a moving target which is moving at high speed by calculating the minimum residue for the selected color component.Abstract:
The target follow-up device of the present invention is adapted quickly and reliably to follow up the position of a target which is moving at high speed. It incorporates an imaging sensor having a number of imaging elements, which performs photometry over the photographic field and which outputs input image data. Based upon this imaging sensor output, input image data for the target to be followed up are stored as reference image data by a memory device. Based upon minimum residue calculation between the input image data and the reference image data, the target follow-up device of the present invention determines the position of the target. In this determination operation, the target follow-up device selects at least one color from a plurality of colors contained in common by the input image data and the reference image data, and calculates the minimum residue for the selected color component.read more
Citations
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References
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Patent
Automatic object image follow-up device
Masamichi Toyama,Youichi Iwasaki,Akihiro Fujiwara,Takashi Amikura,Naoya Kaneda,Masahiro Takei +5 more
TL;DR: In this article, an automatic object image follow-up device includes a setting circuit for shiftably setting a followup field, an extracting circuit for extracting a feature of an object in relation to the follow up field, a store for storing the extracted feature and a detecting circuit for detecting a relative shift between the object and the device on the basis of the feature of the object extracted by the extracting circuit and the feature stored by the store.
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Motion analysis system
Naoi Satoshi,Tohru Ozaki +1 more
TL;DR: In this paper, a color TV camera aligned in roughly the same direction as that of the light source receives reflected light from the color marker and outputs a color image, and an area calculation unit connected to the color extraction unit calculates the area of the particular color extracted by the colour extraction unit.
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Masamichi Toyama,Youichi Iwasaki,Akihiro Fujiwara,Takashi Amikura,Naoya Kaneda,Masahiro Takei +5 more
TL;DR: In this article, an automatic follow-up focus detecting device comprises means for shiftably setting a followup field; extracting means for extracting a feature of an object in relation to the followup fields; storing means for storing the extracted feature; detecting means for detecting a relative shift between the object and the device on the basis of the feature of the object extracted by the extracting means and the feature stored by the storing means; and shifting means for shifting a distance measuring field following the object according to the relative shift.
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