Video-based evaluation of infant crawling toward quantitative assessment of motor development

被引：3

作者：

Kawashima, Katsuaki ^{[1
]}

Funabiki, Yasuko ^{[2
]}

Ogawa, Shino ^{[2
]}

Hayashi, Hideaki ^{[3
]}

Soh, Zu ^{[1
]}

Furui, Akira ^{[1
]}

Sato, Ayumi ^{[2
]}

Shiwa, Taiko ^{[2
]}

Mori, Hiroki ^{[4
]}

Shimatani, Koji ^{[5
]}

Mogami, Haruta ^{[2
]}

Konishi, Yukuo

Tsuji, Toshio ^{[1
]}

机构：

[1] Hiroshima Univ, Grad Sch Engn, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 7398527, Japan

[2] Kyoto Univ, Grad Sch Human & Environm Studies, Sakyo Ku, Yoshida Nihonmatsu Cho, Kyoto 6068507, Japan

[3] Kyushu Univ, Fac Informat Sci & Elect Engn, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan

[4] Waseda Univ, Future Robot Org, Shinjuku Ku, 1-104 Totsukamachi, Tokyo 1698050, Japan

[5] Prefectural Univ Hiroshima, Dept Phys Therapy, 1-1 Gakuen, Mihara, Hiroshima 7230053, Japan

来源：

SCIENTIFIC REPORTS | 2020年 / 10卷 / 01期

关键词：

INTERLIMB COORDINATION;

D O I：

10.1038/s41598-020-67855-0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This study proposes a quantitative evaluation support system for infant motor development and uses the system to analyze hands-and-knees creeping and belly crawling. This system measures movements using two video cameras and extracts movement features via background and inter-frame subtractions of original images. Eight evaluation indices for each crawling cycle are calculated, enabling markerless movement analysis of infants. Cross-sectional analysis of 16 10-month-olds confirmed significant differences between hands-and-knees creeping and belly crawling in five of the eight indices, demonstrating the system capability to quantitatively differentiate between creeping and crawling. Longitudinal analysis of one infant (aged 7-10 months) also suggested that the proposed quantitative indices can follow changes in crawling characteristics and evaluate infants' motor development process. The results from the experiments suggest that the proposed system may enable diagnosis support in clinical practice.

引用

页数：12

共 22 条

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