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Kaihe Xu

6 accepted papers

2026

Appearance Discrepancy-guided Sequence Hybrid Masking for Robust Scene Text Recognition

AAAI 2026technical

Masked Image Modeling (MIM) has been widely recognized as a powerful self-supervised paradigm for learning general-purpose visual representations. However, standard MIM based on random masking tends to underperform in domain-specific tasks like Scene Text Recognition (STR), due to challenges such as

Cited by 0SourcePDFScholar
2025

CoMIF: Modeling of Complex Multiple Interaction Factors for Conversation Generation

COLING 2025main

Highly realistic human-machine interaction is challenging for open-domain dialogue systems. Although existing methods have achieved notable progress by leveraging various interaction factors (e.g., emotion, personality, topic) for delivering human-like (e.g., empathetic, personalized and semanticall…

Cited by 2SourcePDFScholar
2024

Reinforcement Learning with Token-level Feedback for Controllable Text Generation

NAACL 2024findings

To meet the requirements of real-world applications, it is essential to control generations of large language models (LLMs). Prior research has tried to introduce reinforcement learning (RL) into controllable text generation while most existing methods suffer from overfitting issues (finetuning-base…

2019

Adversarial Discrete Sequence Generation without Explicit NeuralNetworks as Discriminators

AISTATS 2019poster

This paper presents a novel approach to train GANs for discrete sequence generation without resorting to an explicit neural network as the discriminator. We show that when an alternative mini-max optimization procedure is performed for the value function where a closed form solution for the discrimi…