A Wearable Assistive Technology for the Visually Impaired with Door Knob Detection and Real-Time Feedback for Hand-to-Handle Manipulation. - Liang Niu; Cheng Qian; John-Ross Rizzo; Todd E. Hudson; Zichen Li; Shane Enright; Eliot Sperling; Kyle Conti; Edward K. Wong; Yi Fang 006 (ICCV Workshops, 2017)