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Multimodal Large Language Models (MLLMs) have shown strong performance in document image tasks, especially Optical Character Recognition (OCR). However, they struggle with Document Image Machine Translation (DIMT), which requires handling…

Computation and Language · Computer Science 2025-07-14 Yupu Liang , Yaping Zhang , Zhiyang Zhang , Zhiyuan Chen , Yang Zhao , Lu Xiang , Chengqing Zong , Yu Zhou

Although existing CLIP-based methods for detecting AI-generated images have achieved promising results, they are still limited by severe feature redundancy, which hinders their generalization ability. To address this issue, incorporating an…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Haotian Qin , Dongliang Chang , Yueying Gao , Bingyao Yu , Lei Chen , Zhanyu Ma

Large models have recently played a dominant role in natural language processing and multimodal vision-language learning. However, their effectiveness in text-related visual tasks remains relatively unexplored. In this paper, we conducted a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Yuliang Liu , Zhang Li , Mingxin Huang , Biao Yang , Wenwen Yu , Chunyuan Li , Xucheng Yin , Cheng-lin Liu , Lianwen Jin , Xiang Bai

Optimal transport (OT) is a powerful geometric tool used to compare and align probability measures following the least effort principle. Despite its widespread use in machine learning (ML), OT problem still bears its computational burden,…

Machine Learning · Computer Science 2023-08-14 Oliver Struckmeier , Ievgen Redko , Anton Mallasto , Karol Arndt , Markus Heinonen , Ville Kyrki

Existing online multiple object tracking (MOT) algorithms often consist of two subtasks, detection and re-identification (ReID). In order to enhance the inference speed and reduce the complexity, current methods commonly integrate these…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 En Yu , Zhuoling Li , Shoudong Han , Hongwei Wang

Mutual Reinforcement Effect (MRE) is an emerging subfield at the intersection of information extraction and model interpretability. MRE aims to leverage the mutual understanding between tasks of different granularities, enhancing the…

Computation and Language · Computer Science 2025-06-13 Chengguang Gan , Zhixi Cai , Yanbin Wei , Yunhao Liang , Shiwen Ni , Tatsunori Mori

Existing vision-language model (VLM)-based methods for out-of-distribution (OOD) detection typically rely on similarity scores between input images and in-distribution (ID) text prototypes. However, the modality gap between image and text…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Yimu Wang , Evelien Riddell , Adrian Chow , Sean Sedwards , Krzysztof Czarnecki

The integration of information across multiple modalities and across time is a promising way to enhance the emotion recognition performance of affective systems. Much previous work has focused on instantaneous emotion recognition. The 2018…

Image and Video Processing · Electrical Eng. & Systems 2018-05-07 Didan Deng , Yuqian Zhou , Jimin Pi , Bertram E. Shi

Multimodal relation extraction (MRE) is the task of identifying the semantic relationships between two entities based on the context of the sentence image pair. Existing retrieval-augmented approaches mainly focused on modeling the…

Computation and Language · Computer Science 2023-05-26 Xuming Hu , Zhijiang Guo , Zhiyang Teng , Irwin King , Philip S. Yu

The information bottleneck principle is an elegant and useful approach to representation learning. In this paper, we investigate the problem of representation learning in the context of reinforcement learning using the information…

Machine Learning · Computer Science 2019-11-14 Pei Yingjun , Hou Xinwen

In this paper, we develop an approach that enables autonomous robots to build and compress semantic environment representations from point-cloud data. Our approach builds a three-dimensional, semantic tree representation of the environment…

Robotics · Computer Science 2022-09-22 Daniel T. Larsson , Arash Asgharivaskasi , Jaein Lim , Nikolay Atanasov , Panagiotis Tsiotras

Multimodal information retrieval (MIR) faces inherent challenges due to the heterogeneity of data sources and the complexity of cross-modal alignment. While previous studies have identified modal gaps in feature spaces, a systematic…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Fanheng Kong , Jingyuan Zhang , Yahui Liu , Hongzhi Zhang , Shi Feng , Xiaocui Yang , Daling Wang , Yu Tian , Victoria W. , Fuzheng Zhang , Guorui Zhou

Information extraction (IE) from unstructured documents remains a critical challenge in data processing pipelines. Traditional optical character recognition (OCR) methods and conventional parsing engines demonstrate limited effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Aditya Parikh

Ophthalmologists typically require multimodal data sources to improve diagnostic accuracy in clinical decisions. However, due to medical device shortages, low-quality data and data privacy concerns, missing data modalities are common in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Chengzhi Liu , Zile Huang , Zhe Chen , Feilong Tang , Yu Tian , Zhongxing Xu , Zihong Luo , Yalin Zheng , Yanda Meng

Opinion Expression Identification (OEI) is essential in NLP for applications ranging from voice assistants to depression diagnosis. This study extends OEI to encompass multimodal inputs, underlining the significance of auditory cues in…

Computation and Language · Computer Science 2024-09-25 Bonian Jia , Huiyao Chen , Yueheng Sun , Meishan Zhang , Min Zhang

Multimodal retrieval is the task of aggregating information from queries across heterogeneous modalities to retrieve desired targets. State-of-the-art multimodal retrieval models can understand complex queries, yet they are typically…

Information Retrieval · Computer Science 2026-03-25 Chuong Huynh , Manh Luong , Abhinav Shrivastava

End-to-end speech translation (ST) is the task of translating speech signals in the source language into text in the target language. As a cross-modal task, end-to-end ST is difficult to train with limited data. Existing methods often try…

Computation and Language · Computer Science 2023-05-26 Yan Zhou , Qingkai Fang , Yang Feng

Multimodal semantic communication has great potential to enhance downstream task performance by integrating complementary information across modalities. This paper introduces ProMSC-MIS, a novel Prompt-based Multimodal Semantic…

Multimedia · Computer Science 2025-08-28 Haoshuo Zhang , Yufei Bo , Meixia Tao

Accurate travel time estimation (TTE) plays a crucial role in intelligent transportation systems. However, it remains challenging due to heterogeneous data sources and complex traffic dynamics. Moreover, traditional approaches typically…

Machine Learning · Computer Science 2026-01-27 Zhi Liu , Xuyuan Hu , Xiao Han , Zhehao Dai , Zhaolin Deng , Guojiang Shen , Xiangjie Kong

Multimodal fusion, leveraging data like vision and language, is rapidly gaining traction. This enriched data representation improves performance across various tasks. Existing methods for out-of-distribution (OOD) detection, a critical area…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Jinglun Li , Xinyu Zhou , Kaixun Jiang , Lingyi Hong , Pinxue Guo , Zhaoyu Chen , Weifeng Ge , Wenqiang Zhang