Lin, C.-C.C.-C.LinFU-LING YANG2020-01-132020-01-132018https://scholars.lib.ntu.edu.tw/handle/123456789/447269A new image processing algorithm for three-dimensional angular velocity measurement and its application in a granular avalanchejournal article10.1016/j.apt.2018.02.0042-s2.0-85042371990https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042371990&doi=10.1016%2fj.apt.2018.02.004&partnerID=40&md5=639a2bbd94c0bd7cdae713e58ff49b16