Search Results for author: Yifei Qian

Found 4 papers, 2 papers with code

Semi-Supervised Crowd Counting with Contextual Modeling: Facilitating Holistic Understanding of Crowd Scenes

1 code implementation16 Oct 2023 Yifei Qian, Xiaopeng Hong, Zhongliang Guo, Ognjen Arandjelović, Carl R. Donovan

To alleviate the heavy annotation burden for training a reliable crowd counting model and thus make the model more practicable and accurate by being able to benefit from more data, this paper presents a new semi-supervised method based on the mean teacher framework.

Crowd Counting

Multimodal Latent Emotion Recognition from Micro-expression and Physiological Signals

no code implementations23 Aug 2023 Liangfei Zhang, Yifei Qian, Ognjen Arandjelovic, Anthony Zhu

Experimental results show that the proposed approach outperforms the benchmark method, with the weighted fusion method and guided attention modules both contributing to enhanced performance.

Emotion Recognition

A White-Box False Positive Adversarial Attack Method on Contrastive Loss Based Offline Handwritten Signature Verification Models

1 code implementation17 Aug 2023 Zhongliang Guo, Weiye Li, Yifei Qian, Ognjen Arandjelović, Lei Fang

The key contributions of this paper include a novel false positive attack method, two new loss functions, effective style transfer in handwriting styles, and superior performance in white-box false positive attacks compared to other white-box attack methods.

Adversarial Attack Style Transfer

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