Chia-Yu Hung

10 Open Challenges Steering the Future of Vision-Language-Action Models

Soujanya Poria, Navonil Majumder, Chia-Yu Hung, A. Bagherzadeh et autres

Due to their ability of follow natural language instructions, vision-language-action (VLA) models are increasingly preva- lent in the embodied AI arena, following the widespread suc- cess of their precursors—LLMs and VLMs. In this paper, we discuss 10 principal milestones in the ongoing …

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10 Open Challenges Steering the Future of Vision-Language-Action Models

Soujanya Poria, Navonil Majumder, Chia-Yu Hung, A. Bagherzadeh et autres

Due to their ability of follow natural language instructions, vision-language-action (VLA) models are increasingly prevalent in the embodied AI arena, following the widespread success of their precursors -- LLMs and VLMs. In this paper, we discuss 10 principal milestones in the ongoing …

NORA: A Small Open-Sourced Generalist Vision Language Action Model for Embodied Tasks

Chia-Yu Hung, Qi Sun, Pengfei Hong, Amir Zadeh et autres

Existing Visual-Language-Action (VLA) models have shown promising performance in zero-shot scenarios, demonstrating impressive task execution and reasoning capabilities. However, a significant challenge arises from the limitations of visual encoding, which can result in failures during tasks such as object grasping. Moreover, these …

TangoFlux: Super Fast and Faithful Text to Audio Generation with Flow Matching and Clap-Ranked Preference Optimization

Chia-Yu Hung, Navonil Majumder, Zhifeng Kong, Ambuj Mehrish et autres

We introduce TangoFlux, an efficient Text-to-Audio (TTA) generative model with 515M parameters, capable of generating up to 30 seconds of 44.1kHz audio in just 3.7 seconds on a single A40 GPU. A key challenge in aligning TTA models lies in the difficulty …

Tango 2: Aligning Diffusion-based Text-to-Audio Generations through Direct Preference Optimization

Navonil Majumder, Chia-Yu Hung, Deepanway Ghosal, Wei-Ning Hsu et autres

Peer Reviewed

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Contrastive Disentanglement for Authorship Attribution

Zhiqiang Hu, Thao Thanh Nguyen, Yujia Hu, Chia-Yu Hung et autres

Authorship Attribution (AA) seeks to determine the authorship of texts by examining distinctive writing styles. Although current AA methods have shown promising results, they often underperform in scenarios with significant topic shifts. This limitation arises from their inability to effectively separate topical …

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Interpretable Sock Puppet Attribution

Chun Wei Seah, Chia-Yu Hung, Yujia Hu, Hai Leong Chieu et autres

The intentional spread of misinformation can have serious consequences in our society. This motivates us to address the task of identifying sock puppet accounts (i.e. fabricated online personas) created by individuals or organizations with the intention of deceiving their target audience. By …

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