Koji Komatsu

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Accurate identification of cell nuclei and their tracking using three dimensional (3D) microscopic images is a demanding task in many biological studies. Manual identification of nuclei centroids from images is an error-prone task, sometimes impossible to accomplish due to low contrast and the presence of noise. Nonetheless, only a few methods are available(More)
In the production of character animation that treats living things moving at will, as in the case of humans and animals, it is important to express natural action and realistic body shape. If we can express these freely and easily, we will be able to apply character animation to many fields, such as the simulation of dances and sports, and electronic(More)
Automated nuclei detection and counting from higher dimensional fluorescence images is crucial for many biomedical applications. Common methods either use segmentation followed by centroid extraction or directly extract nuclei centroids. Although direct methods are desirable in order to avoid complex segmentation, most of these methods disregard the(More)
Neurogenic intermittent claudication is a main symptom in lumbar spinal stenosis (LSS), and postural change is often observed during walking. This study aimed to identify the changes in posture and muscle activity in the trunk and legs during walking in patients with LSS by examining 6 patients who had undergone decompression surgery. None of them had(More)
SUMMARY Various s t u d i e s are p r e s e n t l y b e i n g made on t h e f a c i a l image (e. g. , h i g h l y e f f i-c i e n t coding and t h e d i s c r i m i n a t i o n of f a c e s) f o r computer a n i m a t i o n and TV conference systems. T h i s p a p e r d e s c r i b e s a method i n which t h e three-dimensional (3-D) shape of t h e f a c e(More)
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