no code implementations • 25 May 2023 • Chenglin Yao, Jianfeng Ren, Ruibin Bai, Heshan Du, Jiang Liu, Xudong Jiang
Detecting 3D mask attacks to a face recognition system is challenging.
no code implementations • 6 Mar 2023 • Shuhong Ye, Weikai Kong, Chenglin Yao, Jianfeng Ren, Xudong Jiang
Specifically, we first extract video features using a TimeSformer and text features using a BERT from the target application domain, and utilize CLIP to extract a pair of visual-text features from the general-knowledge domain through the domain-specific learning.
no code implementations • 24 Nov 2021 • Zeyu Wang, Chenglin Yao, Jianfeng Ren, Xudong Jiang
In radar activity recognition, 2D signal representations such as spectrogram, cepstrum and cadence velocity diagram are often utilized, while range information is often neglected.