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Despite recent advances in Large Vision Language Models (LVLMs), these models still suffer from generating hallucinatory responses that do not align with the visual input provided. To mitigate such hallucinations, we introduce Efficient…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Laura Fieback , Nishilkumar Balar , Jakob Spiegelberg , Hanno Gottschalk

The synergistic mechanism based on Speculative Decoding (SD) has garnered considerable attention as a simple yet effective approach for accelerating the inference of large language models (LLMs). Nonetheless, the high rejection rates…

Computation and Language · Computer Science 2025-06-04 Chuanghao Ding , Jiaping Wang , Ziqing Yang , Xiaoliang Wang , Dahua Lin , Cam-Tu Nguyen , Fei Tan

Diffusion Language Models (DLMs) have recently achieved significant success due to their any-order generation capabilities. However, existing inference methods typically rely on local, immediate-step metrics such as confidence or entropy…

Computation and Language · Computer Science 2025-12-03 Kecheng Chen , Ziru Liu , Xijia Tao , Hui Liu , Xinyu Fu , Suiyun Zhang , Dandan Tu , Lingpeng Kong , Rui Liu , Haoliang Li

We present SoundLoCD, a novel text-to-sound generation framework, which incorporates a LoRA-based conditional discrete contrastive latent diffusion model. Unlike recent large-scale sound generation models, our model can be efficiently…

Sound · Computer Science 2024-05-27 Xinlei Niu , Jing Zhang , Christian Walder , Charles Patrick Martin

Multimodal Large Language Models (MLLMs) have shown impressive perception and reasoning capabilities, yet they often suffer from hallucinations -- generating outputs that are linguistically coherent but inconsistent with the context of the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Bingkui Tong , Jiaer Xia , Kaiyang Zhou

Recent work on test-time scaling for large language model (LLM) reasoning typically assumes that allocating more inference-time computation uniformly improves correctness. However, prior studies show that reasoning uncertainty is highly…

Computation and Language · Computer Science 2026-02-23 Lexiang Tang , Weihao Gao , Bingchen Zhao , Lu Ma , Qiao jin , Bang Yang , Yuexian Zou

Large language models (LLMs) demonstrate strong reasoning capabilities, but their performance often degrades under distribution shift. Existing test-time adaptation (TTA) methods rely on gradient-based updates that require white-box access…

Computation and Language · Computer Science 2026-04-16 Kaiwen Zheng , Kai Zhou , Jinwu Hu , Te Gu , Mingkai Peng , Fei Liu

Large vision-language models (LVLMs) are now central to healthcare applications such as medical visual question answering and imaging report generation. Yet, these models remain vulnerable to hallucination outputs that appear plausible but…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zahra Mahdavi , Zahra Khodakaramimaghsoud , Hooman Khaloo , Sina Bakhshandeh Taleshani , Erfan Hashemi , Javad Mirzapour Kaleybar , Omid Nejati Manzari

With the emergence of neural audio codecs, which encode multiple streams of discrete tokens from audio, large language models have recently gained attention as a promising approach for zero-shot Text-to-Speech (TTS) synthesis. Despite the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-04 Jaehyeon Kim , Keon Lee , Seungjun Chung , Jaewoong Cho

Large language models have demonstrated exceptional capability in natural language understanding and generation. However, their generation speed is limited by the inherently sequential nature of their decoding process, posing challenges for…

Computation and Language · Computer Science 2024-05-27 Chenxi Sun , Hongzhi Zhang , Zijia Lin , Jingyuan Zhang , Fuzheng Zhang , Zhongyuan Wang , Bin Chen , Chengru Song , Di Zhang , Kun Gai , Deyi Xiong

Large Vision-Language Models (LVLMs) are an extension of Large Language Models (LLMs) that facilitate processing both image and text inputs, expanding AI capabilities. However, LVLMs struggle with object hallucinations due to their reliance…

Computation and Language · Computer Science 2024-08-12 Avshalom Manevich , Reut Tsarfaty

Diffusion large language models (dLLMs) enable parallel text generation by iteratively denoising a fully masked sequence, unmasking a subset of masked tokens at each step. Existing decoding strategies rely on static confidence metrics…

Computation and Language · Computer Science 2026-04-21 Yue Wu , Jian Huang

While Large Vision-Language Models (LVLMs) have rapidly advanced in recent years, the prevalent issue known as the `hallucination' problem has emerged as a significant bottleneck, hindering their real-world deployments. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Fushuo Huo , Wenchao Xu , Zhong Zhang , Haozhao Wang , Zhicheng Chen , Peilin Zhao

The generation speed of LLMs are bottlenecked by autoregressive decoding, where tokens are predicted sequentially one by one. Alternatively, diffusion large language models (dLLMs) theoretically allow for parallel token generation, but in…

Computation and Language · Computer Science 2025-11-03 Daniel Israel , Guy Van den Broeck , Aditya Grover

Contrastive decoding (CD) (Li et al., 2023) improves the next-token distribution of a large expert language model (LM) using a small amateur LM. Although CD is applied to various LMs and domains to enhance open-ended text generation, it is…

Computation and Language · Computer Science 2024-11-05 Haw-Shiuan Chang , Nanyun Peng , Mohit Bansal , Anil Ramakrishna , Tagyoung Chung

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

Sound · Computer Science 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

Text-to-audio (TTA) system has recently gained attention for its ability to synthesize general audio based on text descriptions. However, previous studies in TTA have limited generation quality with high computational costs. In this study,…

Sound · Computer Science 2023-09-12 Haohe Liu , Zehua Chen , Yi Yuan , Xinhao Mei , Xubo Liu , Danilo Mandic , Wenwu Wang , Mark D. Plumbley

Deriving multimodal representations of audio and lexical inputs is a central problem in Natural Language Understanding (NLU). In this paper, we present Contrastive Aligned Audio-Language Multirate and Multimodal Representations (CALM), an…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-09 Vin Sachidananda , Shao-Yen Tseng , Erik Marchi , Sachin Kajarekar , Panayiotis Georgiou

Multimodal Large Language Models (MLLMs) suffer from cross-modal hallucinations, where one modality inappropriately influences generation about another, leading to fabricated output. This exposes a more fundamental deficiency in…

Artificial Intelligence · Computer Science 2026-01-30 Sangyun Chung , Se Yeon Kim , Youngchae Chee , Yong Man Ro

The Large Language models (LLMs) have demonstrated supreme capabilities in text understanding and generation, but cannot be directly applied to cross-modal tasks without fine-tuning. This paper proposes a cross-modal in-context learning…

Sound · Computer Science 2024-06-17 Dongchao Yang , Haohan Guo , Yuanyuan Wang , Rongjie Huang , Xiang Li , Xu Tan , Xixin Wu , Helen Meng