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artificial intelligence

20,518 papers

#artificial intelligence Preprint Oct 2026

Training a Compact, Strong, and Realistic Text-to-Speech Model

Text-to-speech (TTS) systems are conventionally optimized for intelligibility and speaker similarity. However, neither objective captures the prosodic detail that distinguishes human performances from synthetic speech, leaving a realism gap that larger models and higher-quality data can narrow but not close. In the abs...

Run-Yuan Cai, Yu Lin, Yi-Ming Wang et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Prior-Fitted and Frozen Scorers for Multimodal Contrastive Learning

Multimodal contrastive learning typically relies on manually specified scoring functions, such as cosine similarity, to quantify the similarity between representations from different modalities. Several such functions have been recently proposed to extend contrastive learning beyond two modalities. In principle, howeve...

Tillmann Rheude, R. Eils, B. Wild · 0 citations
#artificial intelligence Preprint Oct 2026

Last Secure Code Benchmark: Is the Code You Vibe Secure?

AI coding agents now write much of the code that ships, yet whether that code is secure remains unclear. We introduce the Last Secure Code Benchmark, a comprehensive evaluation of secure code generation by coding agents. Built from 150 real vulnerabilities, its 450 tasks span seven widely used languages (Java, C, C++,...

Tian-Yi Wu, Chao Ge, Peng Chen et al. · 0 citations
#artificial intelligence Preprint Oct 2026

PTGPO: Prefix Tree Group Policy Optimization

Training language agents on long-horizon interactive tasks is challenging because sparse terminal rewards provide weak credit signals for intermediate actions. Existing group-based methods either assign a shared trajectory-level advantage or estimate step-level advantages from state groups, which may conflate the curre...

Ruo-Lin Chen, Yang Li, Ji-Hang Wang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Integrating AIRL-Based Reward Estimation into a Control Method Using Fuzzy Inference and Policy Gradient

A method integrating policy gradient with fuzzy inference has been proposed. This method, hereafter referred to as the base model, has high flexibility with respect to the configuration of fuzzy inference rules and fuzzy representation. It can also automatically adjust the rule weights and the membership functions in t...

Seiji Ishihara · 0 citations
#artificial intelligence Preprint Oct 2026

Vela: User Behavior as Supervision Sparks LLM Intelligence

Large language models are increasingly deployed in applications that act on users'long-term behavior histories, from personal assistants to recommendation and advertising systems. These applications demand the user dimension of LLM intelligence: inferring a person's preferences, intent, and likely future actions from w...

Yang Xiao, Yu-Song Sun, Haoyi Wu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Lingdan-V2: Large language models for clinically grounded reasoning in traditional Chinese medicine

A TCM language model family comprising models with 4 billion, 8 billion, and 14 billion parameters is developed, demonstrating a scalable pathway from domain grounding and reasoning supervision to clinically oriented prescription decision support.

Rui Hua, Yu Wei, Zi-Cai Jin et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Towards Merging-conditional Backdoor Unalignment against Large Language Models

Model merging has become widely adopted for enhancing the task-specific performance of Large Language Models (LLMs) without additional training. While the specialized model from third-party platforms may undergo safety audits (e.g., backdoor detection), we reveal a novel and critical threat: One-sided Merging-Condition...

Yu-Kun Chen, Yi-Dou Chen, Yi-Ming Li et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

AlignAudio: A Unified Dual-Alignment Framework for Noise-Robust Speech-Conditioned Generation

Speech-conditioned generation maps speech signals to target audio outputs. Prior end-to-end speech-conditioned generative models achieve high fidelity in clean acoustic conditions, but their performance degrades substantially under environmental noise. While prior noise-robust approaches have achieved significant succe...

Yixuan Li, Xuenan Xu, Zeyu Xie et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

DexCast: Learning Real-World Dexterous Control from Human Videos

Recent advances in 3D hand-object interaction (HOI) perception have opened new opportunities for learning dexterous robotic skills from human videos. However, existing dexterous imitation learning methods often rely on costly and manually teleoperated robot demonstrations, requiring substantial human effort. Therefore,...

Zihan Gao, Yuhong Zhang, Mengzhe Wang et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Prospective Forcing: Learning to Look Ahead for Autoregressive Long Video Diffusion

Autoregressive video generators synthesize long videos through chunk-wise rollouts, yet they are typically trained to predict only the immediate future. This limited prediction horizon makes it challenging to maintain video quality over extended rollouts. To address this problem, we introduce Prospective Forcing, a mul...

Yi-Fan Shen, Ye-Wei Xia, Gong-Xu Luo et al. · 0 citations

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Hugging Face Blog Nov 10, 2026

Decision Models in Hugging Face

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

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