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We introduce LLaVA-Reward, an efficient reward model designed to automatically evaluate text-to-image (T2I) generations across multiple perspectives, leveraging pretrained multimodal large language models (MLLMs). Existing MLLM-based…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Shijie Zhou , Ruiyi Zhang , Huaisheng Zhu , Branislav Kveton , Yufan Zhou , Jiuxiang Gu , Jian Chen , Changyou Chen

Understanding how visual content conveys sentiment is increasingly important in a digital landscape dominated by imagery. However, sentiment perception depends on complex scene-level semantics, making this a challenging task for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Neemias B. da Silva , John Harrison , Rodrigo Minetto , Myriam R. Delgado , Bogdan T. Nassu , Thiago H. Silva

Achieving deep alignment between vision and language remains a central challenge for Multimodal Large Language Models (MLLMs). These models often fail to fully leverage visual input, defaulting to strong language priors. Our approach first…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Aarti Ghatkesar , Ganesh Venkatesh

Multimodal large language models (MLLMs) represent an evolutionary expansion in the capabilities of traditional large language models, enabling them to tackle challenges that surpass the scope of purely text-based applications. It leverages…

Computation and Language · Computer Science 2025-01-17 Jinlong He , Pengfei Li , Gang Liu , Genrong He , Zhaolin Chen , Shenjun Zhong

Large language models (LLMs) excel in diverse applications but face dual challenges: generating harmful content under jailbreak attacks and over-refusal of benign queries due to rigid safety mechanisms. These issues are further complicated…

Artificial Intelligence · Computer Science 2025-11-04 Yifan Xia , Guorui Chen , Wenqian Yu , Zhijiang Li , Philip Torr , Jindong Gu

Multitask prompted finetuning (MTF) has been shown to help large language models generalize to new tasks in a zero-shot setting, but so far explorations of MTF have focused on English data and models. We apply MTF to the pretrained…

Inducing reasoning in multimodal large language models (MLLMs) is critical for achieving human-level perception and understanding. Existing methods mainly leverage LLM reasoning to analyze parsed visuals, often limited by static perception…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Ziang Yan , Xinhao Li , Yinan He , Zhengrong Yue , Xiangyu Zeng , Yali Wang , Yu Qiao , Limin Wang , Yi Wang

Large Language Models (LLMs), known for their versatility in textual data, are increasingly being explored for their potential to enhance medical image segmentation, a crucial task for accurate diagnostic imaging. This study explores…

Image and Video Processing · Electrical Eng. & Systems 2025-08-20 Gurucharan Marthi Krishna Kumar , Aman Chadha , Janine Mendola , Amir Shmuel

Recent advancements in Large Vision Language Models (LVLMs) have significantly improved performance in Visual Question Answering (VQA) tasks through multimodal Retrieval-Augmented Generation (RAG). However, existing methods still face…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Qi Yang , Chenghao Zhang , Lubin Fan , Kun Ding , Jieping Ye , Shiming Xiang

The development of state-of-the-art generative large language models (LLMs) disproportionately relies on English-centric tokenizers, vocabulary and pre-training data. Despite the fact that some LLMs have multilingual capabilities, recent…

Computation and Language · Computer Science 2024-09-27 Atsuki Yamaguchi , Aline Villavicencio , Nikolaos Aletras

We explore the ability of large language models (LLMs) to act as speech recognition post-processors that perform rescoring and error correction. Our first focus is on instruction prompting to let LLMs perform these task without fine-tuning,…

Computation and Language · Computer Science 2024-01-29 Chao-Han Huck Yang , Yile Gu , Yi-Chieh Liu , Shalini Ghosh , Ivan Bulyko , Andreas Stolcke

Although pre-trained language models~(PLMs) have shown impressive performance by text-only self-supervised training, they are found lack of visual semantics or commonsense. Existing solutions often rely on explicit images for visual…

Computation and Language · Computer Science 2023-05-29 Hangyu Guo , Kun Zhou , Wayne Xin Zhao , Qinyu Zhang , Ji-Rong Wen

Image search stands as a pivotal task in multimedia and computer vision, finding applications across diverse domains, ranging from internet search to medical diagnostics. Conventional image search systems operate by accepting textual or…

Multimedia · Computer Science 2024-04-30 Hongyi Zhu , Jia-Hong Huang , Stevan Rudinac , Evangelos Kanoulas

Large Language Models (LLMs) are transformer-based machine learning models that have shown remarkable performance in tasks for which they were not explicitly trained. Here, we explore the potential of LLMs to perform symbolic regression --…

Computation and Language · Computer Science 2026-04-17 Samiha Sharlin , Tyler R. Josephson

Humans can quickly learn new behaviors by leveraging background world knowledge. In contrast, agents trained with reinforcement learning (RL) typically learn behaviors from scratch. We thus propose a novel approach that uses the vast…

Machine Learning · Computer Science 2024-05-24 William Chen , Oier Mees , Aviral Kumar , Sergey Levine

In autoregressive (AR) image generation, models based on the 'next-token prediction' paradigm of LLMs have shown comparable performance to diffusion models by reducing inductive biases. However, directly applying LLMs to complex image…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Miaomiao Cai , Guanjie Wang , Wei Li , Zhijun Tu , Hanting Chen , Shaohui Lin , Jie Hu

Understanding real-world videos with complex semantics and long temporal dependencies remains a fundamental challenge in computer vision. Recent progress in multimodal large language models (MLLMs) has demonstrated strong capabilities in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Hongyu Li , Songhao Han , Yue Liao , Junfeng Luo , Jialin Gao , Shuicheng Yan , Si Liu

Vision-language models (VLMs) have demonstrated exceptional generalization capabilities for downstream tasks. Due to its efficiency, prompt learning has gradually become a more effective and efficient method for transferring VLMs to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Chenhao Ding , Xinyuan Gao , Songlin Dong , Jizhou Han , Qiang Wang , Zhengdong Zhou , Yuhang He , Yihong Gong

Cognitive assessments require normative data as essential benchmarks for evaluating individual performance. Hence, developing new cognitive tests based on novel image stimuli is challenging due to the lack of readily available normative…

Machine Learning · Computer Science 2025-09-09 Victoria Yan , Honor Chotkowski , Fengran Wang , Xinhui Li , Carl Yang , Jiaying Lu , Runze Yan , Xiao Hu , Alex Fedorov

Recent advancements in dialogue systems have highlighted the significance of integrating multimodal responses, which enable conveying ideas through diverse modalities rather than solely relying on text-based interactions. This enrichment…

Computation and Language · Computer Science 2024-07-08 Chang-Sheng Kao , Yun-Nung Chen