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Vision-language models (VLMs) like CLIP have demonstrated impressive zero-shot ability in image classification tasks by aligning text and images but suffer inferior performance compared with task-specific expert models. On the contrary,…

Artificial Intelligence · Computer Science 2025-02-04 Jia Zhang , Zhi Zhou , Lan-Zhe Guo , Yu-Feng Li

The unprecedented advancements in Large Language Models (LLMs) have shown a profound impact on natural language processing but are yet to fully embrace the realm of 3D understanding. This paper introduces PointLLM, a preliminary effort to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Runsen Xu , Xiaolong Wang , Tai Wang , Yilun Chen , Jiangmiao Pang , Dahua Lin

Object Goal Navigation (ObjectNav) challenges robots to find objects in unseen environments, demanding sophisticated reasoning. While Vision-Language Models (VLMs) show potential, current ObjectNav methods often employ them superficially,…

Robotics · Computer Science 2025-06-23 Mobin Habibpour , Fatemeh Afghah

Large-scale pre-trained models have demonstrated impressive performance in vision and language tasks within open-world scenarios. Due to the lack of comparable pre-trained models for 3D shapes, recent methods utilize language-image…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Dan Song , Xinwei Fu , Ning Liu , Weizhi Nie , Wenhui Li , Lanjun Wang , You Yang , Anan Liu

Unobtrusive sensor-based recognition of Activities of Daily Living (ADLs) in smart homes by processing data collected from IoT sensing devices supports applications such as healthcare, safety, and energy management. Recent zero-shot methods…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Michele Fiori , Gabriele Civitarese , Marco Colussi , Claudio Bettini

Vision-language models (VLMs) classify the query video by calculating a similarity score between the visual features and text-based class label representations. Recently, large language models (LLMs) have been used to enrich the text-based…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Adeel Yousaf , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

While deep learning, including Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), has significantly advanced classification performance, its typical reliance on extensive annotated datasets presents a major obstacle in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Matheus Vinícius Todescato , Joel Luís Carbonera

While there has been a number of studies on Zero-Shot Learning (ZSL) for 2D images, its application to 3D data is still recent and scarce, with just a few methods limited to classification. We present the first generative approach for both…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Björn Michele , Alexandre Boulch , Gilles Puy , Maxime Bucher , Renaud Marlet

Accurate video moment retrieval (VMR) requires universal visual-textual correlations that can handle unknown vocabulary and unseen scenes. However, the learned correlations are likely either biased when derived from a limited amount of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Dezhao Luo , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu

We propose a new paradigm for zero-shot learners that is format agnostic, i.e., it is compatible with any format and applicable to a list of language tasks, such as text classification, commonsense reasoning, coreference resolution, and…

Computation and Language · Computer Science 2022-10-19 Ping Yang , Junjie Wang , Ruyi Gan , Xinyu Zhu , Lin Zhang , Ziwei Wu , Xinyu Gao , Jiaxing Zhang , Tetsuya Sakai

Sign spotting, the task of identifying and localizing individual signs within continuous sign language video, plays a pivotal role in scaling dataset annotations and addressing the severe data scarcity issue in sign language translation.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 JianHe Low , Ozge Mercanoglu Sincan , Richard Bowden

Effective and rapid evaluation of pavement surface condition is critical for prioritizing maintenance, ensuring transportation safety, and minimizing vehicle wear and tear. While conventional manual inspections suffer from subjectivity,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Shuoshuo Xu , Kai Zhao , James Loney , Zili Li , Andrea Visentin

Recent advances in large language and vision-language models have enabled zero-shot inference, allowing models to solve new tasks without task-specific training. Various adaptation techniques such as prompt engineering, In-Context Learning…

Machine Learning · Computer Science 2025-04-04 Artyom Gadetsky , Andrei Atanov , Yulun Jiang , Zhitong Gao , Ghazal Hosseini Mighan , Amir Zamir , Maria Brbic

Vision-Language Models (VLMs) have demonstrated impressive capabilities in zero-shot action recognition by learning to associate video embeddings with class embeddings. However, a significant challenge arises when relying solely on action…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yehna Kim , Young-Eun Kim , Seong-Whan Lee

Pixel-level 2D object semantic understanding is an important topic in computer vision and could help machine deeply understand objects (e.g. functionality and affordance) in our daily life. However, most previous methods directly train on…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Yang You , Chengkun Li , Yujing Lou , Zhoujun Cheng , Liangwei Li , Lizhuang Ma , Weiming Wang , Cewu Lu

While Multimodal Large Language Models (MLLMs) demonstrate proficiency in 2D scenes, extending their perceptual intelligence to 3D point cloud understanding remains a significant challenge. Current approaches focus primarily on aligning 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Dongxu Zhang , Yiding Sun , Pengcheng Li , Yumou Liu , Hongqiang Lin , Haoran Xu , Xiaoxuan Mu , Liang Lin , Wenbiao Yan , Ning Yang , Chaowei Fang , Juanjuan Zhao , Jihua Zhu , Conghui He , Cheng Tan

Reasoning segmentation aims to segment target objects in complex scenes based on human intent and spatial reasoning. While recent multimodal large language models (MLLMs) have demonstrated impressive 2D image reasoning segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Jiaxin Huang , Runnan Chen , Ziwen Li , Zhengqing Gao , Xiao He , Yandong Guo , Mingming Gong , Tongliang Liu

The capacity of existing human keypoint localization models is limited by keypoint priors provided by the training data. To alleviate this restriction and pursue more general model, this work studies keypoint localization from a different…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Dongkai Wang , Shiyu Xuan , Shiliang Zhang

To act in the world, a model must name what it sees and know where it is in 3D. Today's vision-language models (VLMs) excel at open-ended 2D description and grounding, yet multi-object 3D detection remains largely missing from the VLM…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Yunze Man , Shihao Wang , Guowen Zhang , Johan Bjorck , Zhiqi Li , Liang-Yan Gui , Jim Fan , Jan Kautz , Yu-Xiong Wang , Zhiding Yu

Visual Language Models (VLMs) are essential for various tasks, particularly visual reasoning tasks, due to their robust multi-modal information integration, visual reasoning capabilities, and contextual awareness. However, existing \VLMs{}'…

Computation and Language · Computer Science 2024-09-13 Zaiqiao Meng , Hao Zhou , Yifang Chen