@article{oai:niit.repo.nii.ac.jp:00000270,
 author = {村上, 肇},
 journal = {新潟工科大学研究紀要},
 month = {Mar},
 note = {In recent years, the health monitoring technique for activities of daily living (ADL) performed by the aged person has been required in Japan. In order to solve the problem of our society, various image recording and processing techniques have been developed and used. In this study, the photography from overhead is adopted for considering to privacy, and the similarity of desk top activities is investigated. A head area during an activity was estimated with image processing, and displacement of the center of the area between continuous still pictures was calculated. Five-number summary (the maximum, the minimum, and three quartiles) of the displacement during the activity was obtained. The probability detected from the difference between two activities was calculated from the five numbers which are assumed to follow t-distribution. The similarity score of the activities was defined as the ratio of a number which was not counted as the significant differences. Experiments of three cervical movements and seven desk top activities were performed and the similarity scores were obtained. Those from the cervical movements clearly indicated the difference of movements. Those from the desk top activities indicated the similarity of the head movement during such activities.},
 pages = {1--13},
 title = {頭上からの撮影画像による机上活動の類似度に関する基礎研究},
 volume = {23},
 year = {2019}
}