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- 저자 : Oleg Borisov (검색결과 2 건)
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Jialong Xie,Botao Zhang,Qiang Lu,Oleg Borisov 제어·로봇·시스템학회 2024 International Journal of Control, Automation, and Vol.22 No.1
Head gesture is a natural and non-verbal communication method for human-computer and human-robot interaction, conveying attitudes and intentions. However, the existing vision-based recognition methods cannot meet the precision and robustness of interaction requirements. Due to the limited computational resources, applying most high-accuracy methods to mobile and onboard devices is challenging. Moreover, the wearable device-based approach is inconvenient and expensive. To deal with these problems, an end-to-end two-stream fusion network named TSIR3D is proposed to identify head gestures from videos for analyzing human attitudes and intentions. Inspired by Inception and ResNet architecture, the width and depth of the network are increased to capture motion features sufficiently. Meanwhile, convolutional kernels are expanded from the spatial domain to the spatiotemporal domain for temporal feature extraction. The fusion position of the two-stream channel is explored under an accuracy/complexity trade-off to a certain extent. Furthermore, a dynamic head gesture dataset named DHG and a behavior tree are designed for human-robot interaction. Experimental results show that the proposed method has advantages in real-time performance on the remote server or the onboard computer. Furthermore, its accuracy on the DHG can surpass most state-of-the-art vision-based methods and is even better than most previous approaches based on head-mounted sensors. Finally, TSIR3D is applied on Pepper Robot equipped with Jetson TX2.
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Sergey Perevoznikov,Yuriy Shvetsov,Aleksey Kamayev,Ilia Pakhomov,Viacheslav Borisov,Gennadiy Pazin,Oleg Mirzeabasov,Olga Korzun 한국원자력학회 2016 Nuclear Engineering and Technology Vol.48 No.5
In this paper, we describe a physicomathematical model of the processes that occur in a sodium circuit with a variable flow cross-section in the case of a water leak into sodium. The application area for this technique includes the possibility of analyzing consequences of this leak as applied to sodiumewater steam generators in fast neutron reactors. Hydrodynamic processes that occur in sodium circuits in the event of a water leak are described within the framework of a one-dimensional thermally nonequilibrium threecomponent gaseliquid flow model (sodiumehydrogenesodium hydroxide). Consideration is given to the results of a mathematical modeling of experiments involving steam injection into the sodium loop of a circulation test facility. That was done by means of the computer code in which the proposed model had been implemented.
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