Alexey Karpov 0001 Andrey Ronzhin Irina S. Kipyatkova An Assistive Bi-modal User Interface Integrating Multi-channel Speech Recognition and Computer Vision. 454-463 2011 HCI (2) https://doi.org/10.1007/978-3-642-21605-3_50 conf/hci/2011-2 db/conf/hci/hci2011-2.html#KarpovRK11