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Despite recent advancements in the Large Reconstruction Model (LRM) demonstrating impressive results, when extending its input from single image to multiple images, it exhibits inefficiencies, subpar geometric and texture quality, as well…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Mengfei Li , Xiaoxiao Long , Yixun Liang , Weiyu Li , Yuan Liu , Peng Li , Wenhan Luo , Wenping Wang , Yike Guo

With the proliferation of user-generated online videos, Multimodal Sentiment Analysis (MSA) has attracted increasing attention recently. Despite significant progress, there are still two major challenges on the way towards robust MSA: 1)…

Machine Learning · Computer Science 2023-05-23 Licai Sun , Zheng Lian , Bin Liu , Jianhua Tao

Recent advances in multimodal question answering have primarily focused on combining heterogeneous modalities or fine-tuning multimodal large language models. While these approaches have shown strong performance, they often rely on a…

Computation and Language · Computer Science 2026-04-22 Krishna Singh Rajput , Tejas Anvekar , Chitta Baral , Vivek Gupta

Human reading comprehension often requires reasoning of event semantic relations in narratives, represented by Event-centric Question-Answering (QA). To address event-centric QA, we propose a novel QA model with contrastive learning and…

Computation and Language · Computer Science 2022-12-15 Junru Lu , Xingwei Tan , Gabriele Pergola , Lin Gui , Yulan He

Large language models (LLMs) have achieved remarkable performance on knowledge graph question answering (KGQA) tasks by planning and interacting with knowledge graphs. However, existing methods often confuse tool utilization with knowledge…

Computation and Language · Computer Science 2025-03-10 Mufan Xu , Gewen Liang , Kehai Chen , Wei Wang , Xun Zhou , Muyun Yang , Tiejun Zhao , Min Zhang

Event cameras are innovative neuromorphic sensors that asynchronously capture the scene dynamics. Due to the event-triggering mechanism, such cameras record event streams with much shorter response latency and higher intensity sensitivity…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Yunhao Zou , Ying Fu , Tsuyoshi Takatani , Yinqiang Zheng

Event cameras are novel bio-inspired sensors that measure per-pixel brightness differences asynchronously. Recovering brightness from events is appealing since the reconstructed images inherit the high dynamic range (HDR) and high-speed…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Zelin Zhang , Anthony Yezzi , Guillermo Gallego

Large language models (LLMs) have achieved state-of-the-art results in many natural language processing tasks. They have also demonstrated ability to adapt well to different tasks through zero-shot or few-shot settings. With the capability…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Alvin De Jun Tan , Bingquan Shen

The advancement of Multimodal Large Language Models (MLLMs) has driven significant progress in Visual Question Answering (VQA), evolving from Single to Multi Image VQA (MVQA). However, the increased number of images in MVQA inevitably…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Kang Zeng , Guojin Zhong , Jintao Cheng , Jin Yuan , Zhiyong Li

We present ReMatch, a framework that leverages the generative strength of MLLMs for multimodal retrieval. Previous approaches treated an MLLM as a simple encoder, ignoring its generative nature, and under-utilising its compositional…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Qianying Liu , Xiao Liang , Zhiqiang Zhang , Zhongfei Qing , Fengfan Zhou , Yibo Chen , Xu Tang , Yao Hu , Paul Henderson

Event cameras provide a promising sensing modality for high-speed and high-dynamic-range vision by asynchronously capturing brightness changes. A fundamental task in event-based vision is event-to-video (E2V) reconstruction, which aims to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Jingqian Wu , Yunbo Jia , Shengpeng Xu , Edmund Y. Lam

Video understanding with multimodal large language models (MLLMs) remains challenging due to the long token sequences of videos, which contain extensive temporal dependencies and redundant frames. Existing approaches typically treat MLLMs…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Yaolun Zhang , Ruohui Wang , Jiahao Wang , Yepeng Tang , Xuanyu Zheng , Haonan Duan , Hao Lu , Hanming Deng , Lewei Lu

We propose a generic event camera calibration framework using image reconstruction. Instead of relying on blinking LED patterns or external screens, we show that neural-network-based image reconstruction is well suited for the task of…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Manasi Muglikar , Mathias Gehrig , Daniel Gehrig , Davide Scaramuzza

Event cameras deliver visual data with high temporal resolution, low latency, and minimal redundancy, yet their asynchronous, sparse sequential nature challenges standard tensor-based machine learning (ML). While the recent…

Machine Learning · Computer Science 2026-03-09 Haiqing Hao , Nikola Zubić , Weihua He , Zhipeng Sui , Davide Scaramuzza , Wenhui Wang

Zero-shot visual question answering (ZS-VQA), an emerged critical research area, intends to answer visual questions without providing training samples. Existing research in ZS-VQA has proposed to leverage knowledge graphs or large language…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Qian Tao , Xiaoyang Fan , Yong Xu , Xingquan Zhu , Yufei Tang

Zero-shot Visual Question Answering (VQA) is a prominent vision-language task that examines both the visual and textual understanding capability of systems in the absence of training data. Recently, by converting the images into captions,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Yunshi Lan , Xiang Li , Xin Liu , Yang Li , Wei Qin , Weining Qian

Event cameras are novel sensors that report brightness changes in the form of asynchronous "events" instead of intensity frames. They have significant advantages over conventional cameras: high temporal resolution, high dynamic range, and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Henri Rebecq , René Ranftl , Vladlen Koltun , Davide Scaramuzza

Event cameras offer significant potential for Low-light Image Enhancement (LLIE), yet existing fusion approaches are constrained by a fundamental dilemma: early fusion struggles with modality heterogeneity, while late fusion severs crucial…

Image and Video Processing · Electrical Eng. & Systems 2025-11-13 Wenjie Cai , Qingguo Meng , Zhenyu Wang , Xingbo Dong , Zhe Jin

While many EDA tasks already involve graph-based data, existing LLMs in EDA primarily either represent graphs as sequential text, or simply ignore graph-structured data that might be beneficial like dataflow graphs of RTL code. Recent…

Machine Learning · Computer Science 2025-04-08 Wei Li , Yang Zou , Christopher Ellis , Ruben Purdy , Shawn Blanton , José M. F. Moura

In 3D Visual Question Answering (3D VQA), the scarcity of fully annotated data and limited visual content diversity hampers the generalization to novel scenes and 3D concepts (e.g., only around 800 scenes are utilized in ScanQA and SQA…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Wentao Mo , Yang Liu