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Fine-grained video classification requires understanding complex spatio-temporal and semantic cues that often exceed the capacity of a single modality. In this paper, we propose a multimodal framework that fuses video, image, and text…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Namho Kim , Junhwa Kim

Developing effective path representations has become increasingly essential across various fields within intelligent transportation. Although pre-trained path representation learning models have shown improved performance, they…

Machine Learning · Computer Science 2025-01-03 Ronghui Xu , Hanyin Cheng , Chenjuan Guo , Hongfan Gao , Jilin Hu , Sean Bin Yang , Bin Yang

Despite the abundance of multi-modal data, such as image-text pairs, there has been little effort in understanding the individual entities and their different roles in the construction of these data instances. In this work, we endeavour to…

Computer Vision and Pattern Recognition · Computer Science 2021-02-05 Hai X. Pham , Ricardo Guerrero , Jiatong Li , Vladimir Pavlovic

Multimodal retrieval-augmented Generation (MM-RAG) is a key approach for applying large language models (LLMs) and agents to real-world knowledge bases, yet current evaluations are fragmented -- focusing on either text or images in…

Computation and Language · Computer Science 2026-01-06 Xiangyu Peng , Can Qin , Zeyuan Chen , Ran Xu , Caiming Xiong , Chien-Sheng Wu

Graph Retrieval-Augmented Generation (GRAG or Graph RAG) architectures aim to enhance language understanding and generation by leveraging external knowledge. However, effectively capturing and integrating the rich semantic information…

Computation and Language · Computer Science 2025-01-29 Karishma Thakrar

The Knowledge Graph-to-Text Generation task aims to convert structured knowledge graphs into coherent and human-readable natural language text. Recent efforts in this field have focused on enhancing pre-trained language models (PLMs) by…

Computation and Language · Computer Science 2024-09-24 Shanshan Wang , Chun Zhang , Ning Zhang

Multimodal learning has rapidly advanced visual understanding, largely via multimodal large language models (MLLMs) that use powerful LLMs as cognitive cores. In visual generation, however, these powerful core models are typically reduced…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Han Lin , Xichen Pan , Ziqi Huang , Ji Hou , Jialiang Wang , Weifeng Chen , Zecheng He , Felix Juefei-Xu , Junzhe Sun , Zhipeng Fan , Ali Thabet , Mohit Bansal , Chu Wang

Unsupervised pre-training on millions of digital-born or scanned documents has shown promising advances in visual document understanding~(VDU). While various vision-language pre-training objectives are studied in existing solutions, the…

Computation and Language · Computer Science 2022-12-20 Haoli Bai , Zhiguang Liu , Xiaojun Meng , Wentao Li , Shuang Liu , Nian Xie , Rongfu Zheng , Liangwei Wang , Lu Hou , Jiansheng Wei , Xin Jiang , Qun Liu

The intrication of brain signals drives research that leverages multimodal AI to align brain modalities with visual and textual data for explainable descriptions. However, most existing studies are limited to coarse interpretations, lacking…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Weihao Xia , Cengiz Oztireli

With the novel and fast advances in the area of deep neural networks, several challenging image-based tasks have been recently approached by researchers in pattern recognition and computer vision. In this paper, we address one of these…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Jônatas Wehrmann , Anderson Mattjie , Rodrigo C. Barros

Given a user's query, traditional image search systems rank images according to its relevance to a single modality (e.g., image content or surrounding text). Nowadays, an increasing number of images on the Internet are available with…

Computer Vision and Pattern Recognition · Computer Science 2017-04-05 Kan Chen , Trung Bui , Fang Chen , Zhaowen Wang , Ram Nevatia

Multi-modal graphs, which integrate diverse multi-modal features and relations, are ubiquitous in real-world applications. However, existing multi-modal graph learning methods are typically trained from scratch for specific graph data and…

Machine Learning · Computer Science 2025-11-26 Xin Wang , Zeyang Zhang , Linxin Xiao , Haibo Chen , Chendi Ge , Wenwu Zhu

Two modalities are often used to convey information in a complementary and beneficial manner, e.g., in online news, videos, educational resources, or scientific publications. The automatic understanding of semantic correlations between text…

Multimedia · Computer Science 2019-06-21 Christian Otto , Matthias Springstein , Avishek Anand , Ralph Ewerth

Recent advances in multimodal large language models (MLLMs) have enabled image-based question-answering capabilities. However, a key limitation is the use of CLIP as the visual encoder; while it can capture coarse global information, it…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Vatsal Agarwal , Matthew Gwilliam , Gefen Kohavi , Eshan Verma , Daniel Ulbricht , Abhinav Shrivastava

Large Vision-Language Models (LVLMs) have achieved remarkable performance in many vision-language tasks, yet their capabilities in fine-grained visual understanding remain insufficiently evaluated. Existing benchmarks either contain limited…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Fengbin Zhu , Ziyang Liu , Xiang Yao Ng , Haohui Wu , Wenjie Wang , Fuli Feng , Chao Wang , Huanbo Luan , Tat Seng Chua

We study the problem of object detection over scanned images of scientific documents. We consider images that contain objects of varying aspect ratios and sizes and range from coarse elements such as tables and figures to fine elements such…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Ankur Goswami , Joshua McGrath , Shanan Peters , Theodoros Rekatsinas

Enterprise documents such as forms, invoices, receipts, reports, contracts, and other similar records, often carry rich semantics at the intersection of textual and spatial modalities. The visual cues offered by their complex layouts play a…

Computation and Language · Computer Science 2024-01-03 Dongsheng Wang , Natraj Raman , Mathieu Sibue , Zhiqiang Ma , Petr Babkin , Simerjot Kaur , Yulong Pei , Armineh Nourbakhsh , Xiaomo Liu

Image-text retrieval is a central problem for understanding the semantic relationship between vision and language, and serves as the basis for various visual and language tasks. Most previous works either simply learn coarse-grained…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Chong Liu , Yuqi Zhang , Hongsong Wang , Weihua Chen , Fan Wang , Yan Huang , Yi-Dong Shen , Liang Wang

Image/video data is usually represented with multiple visual features. Fusion of multi-source information for establishing the attributes has been widely recognized. Multi-feature visual recognition has recently received much attention in…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Lei Zhang , David Zhang

When approaching the semantic segmentation of overhead imagery in the decimeter spatial resolution range, successful strategies usually combine powerful methods to learn the visual appearance of the semantic classes (e.g. convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Michele Volpi , Devis Tuia