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Zero-shot learning, the task of learning to recognize new classes not seen during training, has received considerable attention in the case of 2D image classification. However, despite the increasing ubiquity of 3D sensors, the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Ali Cheraghian , Shafinn Rahman , Townim F. Chowdhury , Dylan Campbell , Lars Petersson

Recent deep learning architectures can recognize instances of 3D point cloud objects of previously seen classes quite well. At the same time, current 3D depth camera technology allows generating/segmenting a large amount of 3D point cloud…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Ali Cheraghian , Shafin Rahman , Lars Petersson

The ability to understand and reason the 3D real world is a crucial milestone towards artificial general intelligence. The current common practice is to finetune Large Language Models (LLMs) with 3D data and texts to enable 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Sha Zhang , Di Huang , Jiajun Deng , Shixiang Tang , Wanli Ouyang , Tong He , Yanyong Zhang

With the explosive 3D data growth, the urgency of utilizing zero-shot learning to facilitate data labeling becomes evident. Recently, methods transferring language or language-image pre-training models like Contrastive Language-Image…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Weiguang Zhao , Guanyu Yang , Rui Zhang , Chenru Jiang , Chaolong Yang , Yuyao Yan , Amir Hussain , Kaizhu Huang

Large Vision-Language Models (LVLMs) have demonstrated impressive performance on vision-language reasoning tasks. However, their potential for zero-shot fine-grained image classification, a challenging task requiring precise differentiation…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Md. Atabuzzaman , Andrew Zhang , Chris Thomas

In this paper, we introduce a new task: Zero-Shot 3D Reasoning Segmentation for parts searching and localization for objects, which is a new paradigm to 3D segmentation that transcends limitations for previous category-specific 3D semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Tianrun Chen , Chunan Yu , Jing Li , Jianqi Zhang , Lanyun Zhu , Deyi Ji , Yong Zhang , Ying Zang , Zejian Li , Lingyun Sun

Current Zero-Shot Learning (ZSL) approaches are restricted to recognition of a single dominant unseen object category in a test image. We hypothesize that this setting is ill-suited for real-world applications where unseen objects appear…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Shafin Rahman , Salman Khan , Fatih Porikli

Large language models (LLMs) have been effectively used for many computer vision tasks, including image classification. In this paper, we present a simple yet effective approach for zero-shot image classification using multimodal LLMs.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Abdelrahman Abdelhamed , Mahmoud Afifi , Alec Go

3D Visual Grounding (3DVG) aims at localizing 3D object based on textual descriptions. Conventional supervised methods for 3DVG often necessitate extensive annotations and a predefined vocabulary, which can be restrictive. To address this…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhihao Yuan , Jinke Ren , Chun-Mei Feng , Hengshuang Zhao , Shuguang Cui , Zhen Li

Retrained large language models (LLMs) have become extensively used across various sub-disciplines of natural language processing (NLP). In NLP, text classification problems have garnered considerable focus, but still faced with some…

Computation and Language · Computer Science 2023-12-05 Zhiqiang Wang , Yiran Pang , Yanbin Lin

We propose Point2Act, which directly retrieves the 3D action point relevant to a contextually described task, leveraging Multimodal Large Language Models (MLLMs). Foundation models opened the possibility for generalist robots that can…

Robotics · Computer Science 2026-03-05 Sang Min Kim , Hyeongjun Heo , Junho Kim , Yonghyeon Lee , Young Min Kim

3D object detection is fundamental for spatial understanding. Real-world environments demand models capable of recognizing diverse, previously unseen objects, which remains a major limitation of closed-set methods. Existing open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Andrey Lemeshko , Bulat Gabdullin , Nikita Drozdov , Anton Konushin , Danila Rukhovich , Maksim Kolodiazhnyi

With the immense growth of dataset sizes and computing resources in recent years, so-called foundation models have become popular in NLP and vision tasks. In this work, we propose to explore foundation models for the task of keypoint…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Thomas Wimmer , Peter Wonka , Maks Ovsjanikov

Zero-shot (ZS) 3D anomaly detection is crucial for reliable industrial inspection, as it enables detecting and localizing defects without requiring any target-category training data. Existing approaches render 3D point clouds into 2D images…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Kaiqiang Li , Gang Li , Mingle Zhou , Min Li , Delong Han , Jin Wan

3D part segmentation is a crucial and challenging task in 3D perception, playing a vital role in applications such as robotics, 3D generation, and 3D editing. Recent methods harness the powerful Vision Language Models (VLMs) for 2D-to-3D…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Yunhan Yang , Yukun Huang , Yuan-Chen Guo , Liangjun Lu , Xiaoyang Wu , Edmund Y. Lam , Yan-Pei Cao , Xihui Liu

The emergence of Multimodal Large Language Models (MLLMs) has revolutionized image understanding by bridging textual and visual modalities. However, these models often struggle with capturing fine-grained semantic information, such as the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Jie Yang , Wang Zeng , Sheng Jin , Lumin Xu , Wentao Liu , Chen Qian , Zhen Li , Ruimao Zhang

Recent advances in Multimodal Large Language Models (MLLMs) have significantly improved 2D visual understanding, prompting interest in their application to complex 3D reasoning tasks. However, it remains unclear whether these models can…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Xiaoyu Zhan , Wenxuan Huang , Hao Sun , Xinyu Fu , Changfeng Ma , Shaosheng Cao , Bohan Jia , Shaohui Lin , Zhenfei Yin , Lei Bai , Wanli Ouyang , Yuanqi Li , Jie Guo , Yanwen Guo

Zero-shot learning, the task of learning to recognize new classes not seen during training, has received considerable attention in the case of 2D image classification. However despite the increasing ubiquity of 3D sensors, the corresponding…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Ali Cheraghian , Shafin Rahman , Dylan Campbell , Lars Petersson

State-of-the-art 3D point cloud registration methods rely on labeled 3D datasets for training, which limits their practical applications in real-world scenarios and often hinders generalization to unseen scenes. Leveraging the zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Weijie Wang , Wenqi Ren , Guofeng Mei , Bin Ren , Xiaoshui Huang , Fabio Poiesi , Nicu Sebe , Bruno Lepri

We introduce a large language model (LLM) based approach to answer complex questions requiring multi-hop numerical reasoning over financial reports. While LLMs have exhibited remarkable performance on various natural language and reasoning…

Computation and Language · Computer Science 2023-11-28 Karmvir Singh Phogat , Chetan Harsha , Sridhar Dasaratha , Shashishekar Ramakrishna , Sai Akhil Puranam
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