Han Sun
3 papers in the PaperMetrix corpus
Papers by this author
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Enhanced free-text keystroke continuous authentication based on dynamics of wrist motion
2017
Free-text keystroke is a form of behavioral biometrics which has great potential for addressing the security limitations of conventional one-time authentication by continuously monitoring the user's typing behaviors. This paper presents a new, enhanced continuous …
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Another Dimension: Towards Multi-subnet Neural Network for Image Sentiment Analysis
2019
Image sentiment analysis has been studied for many years, and most of algorithms take the image sentiment as independent and discrete labels to predict by machine learning. Actually, as a product of multiple hormone combinations, …
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On the Practice of Deep Hierarchical Ensemble Network for Ad Conversion Rate Prediction
2025
The predictions of click through rate (CTR) and conversion rate (CVR) play a crucial role in the success of ad-recommendation systems. A Deep Hierarchical Ensemble Network (DHEN) has been proposed to integrate multiple feature crossing …