no code implementations • 25 Sep 2024 • Kun Song, Zhiquan Tan, Bochao Zou, Jiansheng Chen, Huimin Ma, Weiran Huang
Experiments show that matrix entropy cannot solely describe the interaction of the information content of data representation and classification head weights but it can effectively reflect the similarity and clustering behavior of the data.
1 code implementation • 15 Sep 2024 • Bochao Zou, Zizheng Guo, Wenfeng Qin, Xin Li, Kangsheng Wang, Huimin Ma
The analysis of micro-expressions generally involves two main tasks: spotting micro-expression intervals in long videos and recognizing the emotions associated with these intervals.
no code implementations • 6 Jun 2024 • Kun Song, Zhiquan Tan, Bochao Zou, Huimin Ma, Weiran Huang
In this paper, we use matrix information theory as an analytical tool to analyze the dynamics of the information interplay between data representations and classification head vectors in the supervised learning process.
1 code implementation • 9 Apr 2024 • Bochao Zou, Zizheng Guo, Xiaocheng Hu, Huimin Ma
Remote photoplethysmography (rPPG) is a non-contact method for detecting physiological signals from facial videos, holding great potential in various applications such as healthcare, affective computing, and anti-spoofing.
1 code implementation • 20 Feb 2024 • Bochao Zou, Zizheng Guo, Jiansheng Chen, Huimin Ma
Due to the periodicity nature of rPPG, the long-range dependency capturing capacity of the Transformer was assumed to be advantageous for such signals.