Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MATSUMOTO Ayumi and MIKAMI Dan and KAWAMURA Harumi and KOJIMA Akira,Support for motor learning by clustering of sports forms : Examine effective image features as a target children back hip circle,ITE Technical Report,13426893,The Institute of Image Information and Television Engineers,2014,38.51,0,9-12,https://cir.nii.ac.jp/crid/1390001204530029568,https://doi.org/10.11485/itetr.38.51.0_9