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In the evolving landscape of transportation systems, integrating Large Language Models (LLMs) offers a promising frontier for advancing intelligent decision-making across various applications. This paper introduces a novel 3-dimensional…

Machine Learning · Computer Science 2024-12-17 Dexter Le , Aybars Yunusoglu , Karn Tiwari , Murat Isik , I. Can Dikmen

Large language models(LLMs), with their powerful language generation and reasoning capabilities, have already achieved notable success in many domains, e.g., math and code generation. However, they often fall short when tackling real-life…

Artificial Intelligence · Computer Science 2025-06-03 Jie Feng , Tianhui Liu , Yuwei Du , Siqi Guo , Yuming Lin , Yong Li

We propose and demonstrate a representation learning approach by maximizing the mutual information between local features of images and text. The goal of this approach is to learn useful image representations by taking advantage of the rich…

Image and Video Processing · Electrical Eng. & Systems 2021-12-16 Ruizhi Liao , Daniel Moyer , Miriam Cha , Keegan Quigley , Seth Berkowitz , Steven Horng , Polina Golland , William M. Wells

Image captioning is a research area of immense importance, aiming to generate natural language descriptions for visual content in the form of still images. The advent of deep learning and more recently vision-language pre-training…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Taraneh Ghandi , Hamidreza Pourreza , Hamidreza Mahyar

Deep reinforcement learning (deep RL) has achieved superior performance in complex sequential tasks by learning directly from image input. A deep neural network is used as a function approximator and requires no specific state information.…

Machine Learning · Computer Science 2018-12-27 Xi Chen , Caylin Hickey

Rapid urbanization intensifies the demand for Urban General Intelligence (UGI), referring to AI systems that can understand and reason about complex urban environments. Recent studies have built urban foundation models using supervised…

Artificial Intelligence · Computer Science 2025-10-21 Qiongyan Wang , Xingchen Zou , Yutian Jiang , Haomin Wen , Jiaheng Wei , Qingsong Wen , Yuxuan Liang

Large language models (LLMs) have transformed natural language processing, yet face challenges in specialized tasks such as simulating opinions on environmental policies. This paper introduces a novel fine-tuning approach that integrates…

Computation and Language · Computer Science 2024-12-10 Haocheng Lin

We propose a method to fuse frozen text-only large language models (LLMs) with pre-trained image encoder and decoder models, by mapping between their embedding spaces. Our model demonstrates a wide suite of multimodal capabilities: image…

Computation and Language · Computer Science 2023-10-16 Jing Yu Koh , Daniel Fried , Ruslan Salakhutdinov

Large language models (LLMs) have shown remarkable performance in natural language processing (NLP) tasks. To comprehend and execute diverse human instructions over image data, instruction-tuned large vision-language models (LVLMs) have…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Lei Wang , Jiabang He , Shenshen Li , Ning Liu , Ee-Peng Lim

Multi-modal Large Language Models (MLLMs) integrate visual and linguistic reasoning to address complex tasks such as image captioning and visual question answering. While MLLMs demonstrate remarkable versatility, MLLMs appears limited…

Computation and Language · Computer Science 2025-03-07 Wenke Huang , Jian Liang , Xianda Guo , Yiyang Fang , Guancheng Wan , Xuankun Rong , Chi Wen , Zekun Shi , Qingyun Li , Didi Zhu , Yanbiao Ma , Ke Liang , Bin Yang , He Li , Jiawei Shao , Mang Ye , Bo Du

Contrastive learning, which aims to capture general representation from unlabeled images to initialize the medical analysis models, has been proven effective in alleviating the high demand for expensive annotations. Current methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Huai Chen , Renzhen Wang , Xiuying Wang , Jieyu Li , Qu Fang , Hui Li , Jianhao Bai , Qing Peng , Deyu Meng , Lisheng Wang

Effective urban planning is crucial for enhancing residents' quality of life and ensuring societal stability, playing a pivotal role in the sustainable development of cities. Current planning methods heavily rely on human experts, which are…

Artificial Intelligence · Computer Science 2026-01-30 Xixian Yong , Peilin Sun , Zihe Wang , Xiao Zhou

Recent Vision-Language Pre-training (VLP) models have demonstrated significant advancements. Nevertheless, these models heavily rely on image-text pairs that capture only coarse and global information of an image, leading to a limitation in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jungbeom Lee , Sanghyuk Chun , Sangdoo Yun

This study aims to innovatively explore adaptive applications of large language models (LLM) in urban renewal. It also aims to improve its performance and text generation quality for knowledge question-answering (QA) tasks. Based on the…

Computation and Language · Computer Science 2023-11-28 Xi Wang , Xianyao Ling , Tom Zhang , Xuecao Li , Shaolan Wang , Zhixing Li , Liang Zhang , Peng Gong

In recent years, multimodal AI has seen an upward trend as researchers are integrating data of different types such as text, images, speech into modelling to get the best results. This project leverages multimodal AI and matrix…

Machine Learning · Computer Science 2022-05-03 Aishwarya Jayagopal , Ankireddy Monica Aiswarya , Ankita Garg , Srinivasan Kolumam Nandakumar

Urban and transportation research has long sought to uncover statistically meaningful relationships between key variables and societal outcomes such as road safety, to generate actionable insights that guide the planning, development, and…

Machine Learning · Computer Science 2025-06-19 Yihong Tang , Ao Qu , Xujing Yu , Weipeng Deng , Jun Ma , Jinhua Zhao , Lijun Sun

In recent years, considerable research has been conducted on vision-language models that handle both image and text data; these models are being applied to diverse downstream tasks, such as "image-related chat," "image recognition by…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Kosuke Sakurai , Tatsuya Ishii , Ryotaro Shimizu , Linxin Song , Masayuki Goto

Face hallucination, which is the task of generating a high-resolution face image from a low-resolution input image, is a well-studied problem that is useful in widespread application areas. Face hallucination is particularly challenging…

Computer Vision and Pattern Recognition · Computer Science 2016-04-28 Oncel Tuzel , Yuichi Taguchi , John R. Hershey

Many real-world applications involve the use of Optical Character Recognition (OCR) engines to transform handwritten images into transcripts on which downstream Natural Language Processing (NLP) models are applied. In this process, OCR…

Computation and Language · Computer Science 2021-07-16 Guowei Xu , Wenbiao Ding , Weiping Fu , Zhongqin Wu , Zitao Liu

In recent years, multimodal large language models (MLLMs) have shown remarkable capabilities in tasks like visual question answering and common sense reasoning, while visual perception models have made significant strides in perception…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Guanqun Wang , Xinyu Wei , Jiaming Liu , Ray Zhang , Yichi Zhang , Kevin Zhang , Maurice Chong , Shanghang Zhang