Blar i NTNU Open på forfatter "Liu, Yalin"

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    • Augmented Data Selector to Initiate Text-Based CAPTCHA Attack 

      Che, Aolin; Liu, Yalin; Xiao, Hong; Wang, Hao; Zhang, Ke; Dai, Hong-Ning (Peer reviewed; Journal article, 2021)
      In the past decades, due to the low design cost and easy maintenance, text-based CAPTCHAs have been extensively used in constructing security mechanisms for user authentications. With the recent advances in machine/deep ...

    • UAV-enabled data acquisition scheme with directional wireless energy transfer for Internet of Things 

      Liu, Yalin; Dai, Hong-Ning; Wang, Hao; Imran, Muhammad; Wang, Xiaofeng; Shoaib, Muhammad (Peer reviewed; Journal article, 2020)
      Low power Internet of Things (IoT) is suffering from two limitations: battery-power limitation of IoT nodes and inflexibility of infrastructure-node deployment. In this paper, we propose an Unmanned Aerial Vehicle (UAV)-enabled ...