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We propose a generalized Sparse Representation- based Classification (SRC) algorithm for open set recognition where not all classes presented during testing are known during training. The SRC algorithm uses class reconstruction errors for…

计算机视觉与模式识别 · 计算机科学 2017-05-09 He Zhang , Vishal M. Patel

State-of-the-art deep neural network recognition systems are designed for a static and closed world. It is usually assumed that the distribution at test time will be the same as the distribution during training. As a result, classifiers are…

计算机视觉与模式识别 · 计算机科学 2019-02-28 Benjamin J. Meyer , Tom Drummond

Deep learning models fail on cross-domain challenges if the model is oversensitive to domain-specific attributes, e.g., lightning, background, camera angle, etc. To alleviate this problem, data augmentation coupled with consistency…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Mengmeng Jing , Xiantong Zhen , Jingjing Li , Cees Snoek

In open set recognition (OSR), almost all existing methods are designed specially for recognizing individual instances, even these instances are collectively coming in batch. Recognizers in decision either reject or categorize them to some…

机器学习 · 计算机科学 2020-03-24 Chuanxing Geng , Songcan Chen

With the of advent rich classification models and high computational power visual recognition systems have found many operational applications. Recognition in the real world poses multiple challenges that are not apparent in controlled lab…

计算机视觉与模式识别 · 计算机科学 2015-12-01 Abhijit Bendale , Terrance Boult

Open-set domain generalization (OSDG) tackles the dual challenge of recognizing unknown classes while simultaneously striving to generalize across unseen domains without using target data during training. In this article, an OSDG framework…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Amirreza Khoshbakht , Erchan Aptoula

Image classification in the open-world must handle out-of-distribution (OOD) images. Systems should ideally reject OOD images, or they will map atop of known classes and reduce reliability. Using open-set classifiers that can reject OOD…

计算机视觉与模式识别 · 计算机科学 2022-01-10 Mohsen Jafarzadeh , Touqeer Ahmad , Akshay Raj Dhamija , Chunchun Li , Steve Cruz , Terrance E. Boult

Training a modern deep neural network on massive labeled samples is the main paradigm in solving the scene classification problem for remote sensing, but learning from only a few data points remains a challenge. Existing methods for…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Haifeng Li , Zhenqi Cui , Zhiqing Zhu , Li Chen , Jiawei Zhu , Haozhe Huang , Chao Tao

Improving the retrieval relevance on noisy datasets is an emerging need for the curation of a large-scale clean dataset in the medical domain. While existing methods can be applied for class-wise retrieval (aka. inter-class), they cannot…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Xiaoyuan Guo , Jiali Duan , Saptarshi Purkayastha , Hari Trivedi , Judy Wawira Gichoya , Imon Banerjee

In recent years, the remarkable success of deep neural networks (DNNs) in computer vision is largely due to large-scale, high-quality labeled datasets. Training directly on real-world datasets with label noise may result in overfitting. The…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Yuandi Zhao , Qianxi Xia , Yang Sun , Zhijie Wen , Liyan Ma , Shihui Ying

Most of the existing recognition algorithms are proposed for closed set scenarios, where all categories are known beforehand. However, in practice, recognition is essentially an open set problem. There are categories we know called…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Yu Shu , Yemin Shi , Yaowei Wang , Tiejun Huang , Yonghong Tian

In this work, we aim to address the challenging task of open set recognition (OSR). Many recent OSR methods rely on auto-encoders to extract class-specific features by a reconstruction strategy, requiring the network to restore the input…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Xin Sun , Henghui Ding , Chi Zhang , Guosheng Lin , Keck-Voon Ling

We seek to understand what facilitates sample-efficient learning from historical datasets for sequential decision-making, a problem that is popularly known as offline reinforcement learning (RL). Further, we are interested in algorithms…

机器学习 · 计算机科学 2024-02-07 Thanh Nguyen-Tang , Raman Arora

With the recent renaissance of deep convolution neural networks, encouraging breakthroughs have been achieved on the supervised recognition tasks, where each class has sufficient training data and fully annotated training data. However, to…

计算机视觉与模式识别 · 计算机科学 2017-10-16 Yanwei Fu , Tao Xiang , Yu-Gang Jiang , Xiangyang Xue , Leonid Sigal , Shaogang Gong

Convolutional Neural Networks (CNNs) have brought revolutionary advances to many research areas due to their capacity of learning from raw data. However, when those methods are applied to non-controllable environments, many different…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Lucas Fernando Alvarenga e Silva , Nicu Sebe , Jurandy Almeida

Loop closures are essential for correcting odometry drift and creating consistent maps, especially in the context of large-scale navigation. Current methods using dense point clouds for accurate place recognition do not scale well due to…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Débora N. P. Oliveira , Joshua Knights , Sebastián Barbas Laina , Simon Boche , Wolfram Burgard , Stefan Leutenegger

Traditional semi-supervised object detection methods assume a fixed set of object classes (in-distribution or ID classes) during training and deployment, which limits performance in real-world scenarios where unseen classes…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Garvita Allabadi , Ana Lucic , Siddarth Aananth , Tiffany Yang , Yu-Xiong Wang , Vikram Adve

The existing supervised relation extraction methods have achieved impressive performance in a closed-set setting, where the relations during both training and testing remain the same. In a more realistic open-set setting, unknown relations…

计算与语言 · 计算机科学 2023-06-09 Jun Zhao , Xin Zhao , Wenyu Zhan , Qi Zhang , Tao Gui , Zhongyu Wei , Yunwen Chen , Xiang Gao , Xuanjing Huang

We propose a novel framework to perform classification via deep learning in the presence of noisy annotations. When trained on noisy labels, deep neural networks have been observed to first fit the training data with clean labels during an…

机器学习 · 计算机科学 2020-10-26 Sheng Liu , Jonathan Niles-Weed , Narges Razavian , Carlos Fernandez-Granda

Few-Shot Open-Set Recognition (FSOSR) targets a critical real-world challenge, aiming to categorize inputs into known categories, termed closed-set classes, while identifying open-set inputs that fall outside these classes. Although…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Byeonggeun Kim , Juntae Lee , Kyuhong Shim , Simyung Chang