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Few-shot learning aims at leveraging knowledge learned by one or more deep learning models, in order to obtain good classification performance on new problems, where only a few labeled samples per class are available. Recent years have seen…

Machine Learning · Computer Science 2022-02-08 Yassir Bendou , Yuqing Hu , Raphael Lafargue , Giulia Lioi , Bastien Pasdeloup , Stéphane Pateux , Vincent Gripon

Few-shot learning is the process of learning novel classes using only a few examples and it remains a challenging task in machine learning. Many sophisticated few-shot learning algorithms have been proposed based on the notion that networks…

Machine Learning · Computer Science 2019-10-04 Akihiro Nakamura , Tatsuya Harada

Few-shot recognition involves training an image classifier to distinguish novel concepts at test time using few examples (shot). Existing approaches generally assume that the shot number at test time is known in advance. This is not…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Davis Wertheimer , Luming Tang , Bharath Hariharan

3D shape is a crucial but heavily underutilized cue in today's computer vision systems, mostly due to the lack of a good generic shape representation. With the recent availability of inexpensive 2.5D depth sensors (e.g. Microsoft Kinect),…

Computer Vision and Pattern Recognition · Computer Science 2015-04-16 Zhirong Wu , Shuran Song , Aditya Khosla , Fisher Yu , Linguang Zhang , Xiaoou Tang , Jianxiong Xiao

Few-shot learning (FSL) techniques seek to learn the underlying patterns in data using fewer samples, analogous to how humans learn from limited experience. In this limited-data scenario, the challenges associated with deep neural networks,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Deepan Chakravarthi Padmanabhan , Shruthi Gowda , Elahe Arani , Bahram Zonooz

Few-shot classification consists of learning a predictive model that is able to effectively adapt to a new class, given only a few annotated samples. To solve this challenging problem, meta-learning has become a popular paradigm that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

This paper tackles the problem of few-shot learning, which aims to learn new visual concepts from a few examples. A common problem setting in few-shot classification assumes random sampling strategy in acquiring data labels, which is…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Shipeng Yan , Songyang Zhang , Xuming He

This paper proposes a learning-based framework for reconstructing 3D shapes from functional operators, compactly encoded as small-sized matrices. To this end we introduce a novel neural architecture, called OperatorNet, which takes as input…

Graphics · Computer Science 2019-08-29 Ruqi Huang , Marie-Julie Rakotosaona , Panos Achlioptas , Leonidas Guibas , Maks Ovsjanikov

3D object reconstruction is a fundamental task of many robotics and AI problems. With the aid of deep convolutional neural networks (CNNs), 3D object reconstruction has witnessed a significant progress in recent years. However, possibly due…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Hanqing Wang , Jiaolong Yang , Wei Liang , Xin Tong

Few-shot semantic segmentation aims to segment novel-class objects in a given query image with only a few labeled support images. Most advanced solutions exploit a metric learning framework that performs segmentation through matching each…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Jiacheng Chen , Bin-Bin Gao , Zongqing Lu , Jing-Hao Xue , Chengjie Wang , Qingmin Liao

In few-shot recognition, a classifier that has been trained on one set of classes is required to rapidly adapt and generalize to a disjoint, novel set of classes. To that end, recent studies have shown the efficacy of fine-tuning with…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Panagiotis Eustratiadis , Łukasz Dudziak , Da Li , Timothy Hospedales

Training deep neural networks from few examples is a highly challenging and key problem for many computer vision tasks. In this context, we are targeting knowledge transfer from a set with abundant data to other sets with few available…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Yann Lifchitz , Yannis Avrithis , Sylvaine Picard , Andrei Bursuc

Reconstructing high-quality 3D objects from sparse, partial observations from a single view is of crucial importance for various applications in computer vision, robotics, and graphics. While recent neural implicit modeling methods show…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Shivam Duggal , Zihao Wang , Wei-Chiu Ma , Sivabalan Manivasagam , Justin Liang , Shenlong Wang , Raquel Urtasun

One of the hallmarks of human intelligence is the ability to compose learned knowledge into novel concepts which can be recognized without a single training example. In contrast, current state-of-the-art methods require hundreds of training…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Senthil Purushwalkam , Maximilian Nickel , Abhinav Gupta , Marc'Aurelio Ranzato

Freezing the pre-trained backbone has become a standard paradigm to avoid overfitting in few-shot segmentation. In this paper, we rethink the paradigm and explore a new regime: {\em fine-tuning a small part of parameters in the backbone}.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Yanpeng Sun , Qiang Chen , Xiangyu He , Jian Wang , Haocheng Feng , Junyu Han , Errui Ding , Jian Cheng , Zechao Li , Jingdong Wang

It is challenging to reconstruct 3D point clouds in unseen classes from single 2D images. Instead of object-centered coordinate system, current methods generalized global priors learned in seen classes to reconstruct 3D shapes from unseen…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Chao Chen , Yu-Shen Liu , Zhizhong Han

We learn a self-supervised, single-view 3D reconstruction model that predicts the 3D mesh shape, texture and camera pose of a target object with a collection of 2D images and silhouettes. The proposed method does not necessitate 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Xueting Li , Sifei Liu , Kihwan Kim , Shalini De Mello , Varun Jampani , Ming-Hsuan Yang , Jan Kautz

Recently, neural implicit 3D reconstruction in indoor scenarios has become popular due to its simplicity and impressive performance. Previous works could produce complete results leveraging monocular priors of normal or depth. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Xinghui Li , Yuchen Ji , Xiansong Lai , Wanting Zhang

Deep learning approaches to 3D shape segmentation are typically formulated as a multi-class labeling problem. Existing models are trained for a fixed set of labels, which greatly limits their flexibility and adaptivity. We opt for top-down…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Fenggen Yu , Kun Liu , Yan Zhang , Chenyang Zhu , Kai Xu

We propose a method that can perform one-class classification given only a small number of examples from the target class and none from the others. We formulate the learning of meaningful features for one-class classification as a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Gabriel Dahia , Maurício Pamplona Segundo