To Classify Spontaneous Motion Intention of Step Size by Using Cerebral Hemoglobin InformationKai Zhu, Chun-Guang Li, Hedian Jin, Juan Li, Haiyan Hu, Lining Sun and Wei QuITM Web Conf., 12 (2017) 01012DOI: https://doi.org/10.1051/itmconf/20171201012