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Fusion of 2D images and 3D point clouds is important because information from dense images can enhance sparse point clouds. However, fusion is challenging because 2D and 3D data live in different spaces. In this work, we propose MVPNet…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Maximilian Jaritz , Jiayuan Gu , Hao Su

Whole slide pathology image classification presents challenges due to gigapixel image sizes and limited annotation labels, hindering model generalization. This paper introduces a prompt learning method to adapt large vision-language models…

Zero-shot learning on 3D point cloud data is a related underexplored problem compared to its 2D image counterpart. 3D data brings new challenges for ZSL due to the unavailability of robust pre-trained feature extraction models. To address…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Majid Nasiri , Ali Cheraghian , Townim Faisal Chowdhury , Sahar Ahmadi , Morteza Saberi , Shafin Rahman

In visual recognition tasks, few-shot learning requires the ability to learn object categories with few support examples. Its re-popularity in light of the deep learning development is mainly in image classification. This work focuses on…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Miao Zhang , Miaojing Shi , Li Li

The human visual system has the remarkably ability to be able to effortlessly learn novel concepts from only a few examples. Mimicking the same behavior on machine learning vision systems is an interesting and very challenging research…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Spyros Gidaris , Nikos Komodakis

Overfitting in RL has become one of the main obstacles to applications in reinforcement learning(RL). Existing methods do not provide explicit semantic constrain for the feature extractor, hindering the agent from learning a unified…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Haihan Gao , Rui Zhang , Qi Yi , Hantao Yao , Haochen Li , Jiaming Guo , Shaohui Peng , Yunkai Gao , QiCheng Wang , Xing Hu , Yuanbo Wen , Zihao Zhang , Zidong Du , Ling Li , Qi Guo , Yunji Chen

With emerging online topics as a source for numerous new events, detecting unseen / rare event types presents an elusive challenge for existing event detection methods, where only limited data access is provided for training. To address the…

Computation and Language · Computer Science 2023-05-30 Zhenrui Yue , Huimin Zeng , Mengfei Lan , Heng Ji , Dong Wang

Recent progress in the few-shot adaptation of Vision-Language Models (VLMs) has further pushed their generalization capabilities, at the expense of just a few labeled samples within the target downstream task. However, this promising,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Maxime Zanella , Ismail Ben Ayed

Although unsupervised feature learning has demonstrated its advantages to reducing the workload of data labeling and network design in many fields, existing unsupervised 3D learning methods still cannot offer a generic network for various…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Peng-Shuai Wang , Yu-Qi Yang , Qian-Fang Zou , Zhirong Wu , Yang Liu , Xin Tong

The advancement of vision-language models, particularly the Contrastive Language-Image Pre-training (CLIP) model, has revolutionized the field of machine learning by enabling robust zero-shot learning capabilities. These capabilities allow…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Donggeun Kim , Yujin Jo , Myungjoo Lee , Taesup Kim

Graph few-shot learning, which aims to classify nodes from novel classes with only a few labeled examples, is a widely studied problem in graph learning. However, existing methods often face two key limitations. First, the predominant graph…

Artificial Intelligence · Computer Science 2026-05-26 Renchu Guan , Yajun Wang , Chunli Guo , Bowen Cao , Fausto Giunchiglia , Wei Pang , Yonghao Liu , Xiaoyue Feng

Understanding and extracting 3D information of objects from monocular 2D images is a fundamental problem in computer vision. In the task of 3D object pose estimation, recent data driven deep neural network based approaches suffer from…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Jogendra Nath Kundu , Aditya Ganeshan , Rahul M. V. , Aditya Prakash , R. Venkatesh Babu

Few-shot object detection (FSOD) aims to detect never-seen objects using few examples. This field sees recent improvement owing to the meta-learning techniques by learning how to match between the query image and few-shot class examples,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Guangxing Han , Yicheng He , Shiyuan Huang , Jiawei Ma , Shih-Fu Chang

Many meta-learning approaches for few-shot learning rely on simple base learners such as nearest-neighbor classifiers. However, even in the few-shot regime, discriminatively trained linear predictors can offer better generalization. We…

Computer Vision and Pattern Recognition · Computer Science 2019-04-24 Kwonjoon Lee , Subhransu Maji , Avinash Ravichandran , Stefano Soatto

Recently, zero-shot and few-shot learning via Contrastive Vision-Language Pre-training (CLIP) have shown inspirational performance on 2D visual recognition, which learns to match images with their corresponding texts in open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Renrui Zhang , Ziyu Guo , Wei Zhang , Kunchang Li , Xupeng Miao , Bin Cui , Yu Qiao , Peng Gao , Hongsheng Li

State-of-the-art semantic segmentation methods require sufficient labeled data to achieve good results and hardly work on unseen classes without fine-tuning. Few-shot segmentation is thus proposed to tackle this problem by learning a model…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Zhuotao Tian , Hengshuang Zhao , Michelle Shu , Zhicheng Yang , Ruiyu Li , Jiaya Jia

3D shape recognition has attracted more and more attention as a task of 3D vision research. The proliferation of 3D data encourages various deep learning methods based on 3D data. Now there have been many deep learning models based on…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Yaxin Zhao , Jichao Jiao , Tangkun Zhang

We investigate the problem of learning category-specific 3D shape reconstruction from a variable number of RGB views of previously unobserved object instances. Most approaches for multiview shape reconstruction operate on sparse shape…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Srinath Sridhar , Davis Rempe , Julien Valentin , Sofien Bouaziz , Leonidas J. Guibas

As few-shot object detectors are often trained with abundant base samples and fine-tuned on few-shot novel examples,the learned models are usually biased to base classes and sensitive to the variance of novel examples. To address this…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Jiaming Han , Yuqiang Ren , Jian Ding , Ke Yan , Gui-Song Xia

Current Large Vision Language Models (LVLMs) excel at many zero-shot tasks like image captioning, visual question answering and OCR. However, these same models suffer from poor performance at image classification tasks, underperforming…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Adhemar de Senneville , Xavier Bou , Jérémy Anger , Rafael Grompone , Gabriele Facciolo