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Curriculum learning is a class of training strategies that organizes the data being exposed to a model by difficulty, gradually from simpler to more complex examples. This research explores a reverse curriculum generation approach that…

Machine Learning · Computer Science 2026-02-25 Wanru Zhao , Lucas Caccia , Zhengyan Shi , Minseon Kim , Weijia Xu , Alessandro Sordoni

Traditional supervised learning makes the closed-world assumption that the classes appeared in the test data must have appeared in training. This also applies to text learning or text classification. As learning is used increasingly in…

Computation and Language · Computer Science 2017-09-27 Lei Shu , Hu Xu , Bing Liu

Automated driving object detection has always been a challenging task in computer vision due to environmental uncertainties. These uncertainties include significant differences in object sizes and encountering the class unseen. It may…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Zezhou Wang , Guitao Cao , Xidong Xi , Jiangtao Wang

As we enter into the big data age and an avalanche of images have become readily available, recognition systems face the need to move from close, lab settings where the number of classes and training data are fixed, to dynamic scenarios…

Computer Vision and Pattern Recognition · Computer Science 2016-04-11 Rocco De Rosa , Thomas Mensink , Barbara Caputo

Existing active learning studies typically work in the closed-set setting by assuming that all data examples to be labeled are drawn from known classes. However, in real annotation tasks, the unlabeled data usually contains a large amount…

Machine Learning · Computer Science 2022-01-19 Kun-Peng Ning , Xun Zhao , Yu Li , Sheng-Jun Huang

In this paper, a robust classification-autoencoder (CAE) is proposed, which has strong ability to recognize outliers and defend adversaries. The main idea is to change the autoencoder from an unsupervised learning model into a classifier,…

Machine Learning · Computer Science 2022-06-08 Lijia Yu , Xiao-Shan Gao

A well-known failure mode of neural networks is that they may confidently return erroneous predictions. Such unsafe behaviour is particularly frequent when the use case slightly differs from the training context, and/or in the presence of…

Machine Learning · Computer Science 2023-04-20 Joao Monteiro , Pau Rodriguez , Pierre-Andre Noel , Issam Laradji , David Vazquez

Despite the recent developments that allowed neural networks to achieve impressive performance on a variety of applications, these models are intrinsically affected by the problem of overgeneralization, due to their partitioning of the full…

Artificial Intelligence · Computer Science 2020-02-11 Giacomo Spigler

We present an architecture that is effective for continual learning in an especially demanding setting, where task boundaries do not exist or are unknown, and where classes have to be learned online (with each example presented only once).…

Machine Learning · Computer Science 2021-10-08 Murray Shanahan , Christos Kaplanis , Jovana Mitrović

We deal with the problem of learning the underlying disentangled latent factors that are shared between the paired bi-modal data in cross-modal retrieval. Our assumption is that the data in both modalities are complex, structured, and high…

Machine Learning · Computer Science 2020-12-02 Minyoung Kim , Ricardo Guerrero , Vladimir Pavlovic

Unsupervised meta-learning aims to learn feature representations from unsupervised datasets that can transfer to downstream tasks with limited labeled data. In this paper, we propose a novel approach to unsupervised meta-learning that…

Machine Learning · Computer Science 2025-02-11 Anna Vettoruzzo , Lorenzo Braccaioli , Joaquin Vanschoren , Marlena Nowaczyk

We study the new task of class-incremental Novel Class Discovery (class-iNCD), which refers to the problem of discovering novel categories in an unlabelled data set by leveraging a pre-trained model that has been trained on a labelled data…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Subhankar Roy , Mingxuan Liu , Zhun Zhong , Nicu Sebe , Elisa Ricci

Problems such as predicting a new shading field (Y) for an image (X) are ambiguous: many very distinct solutions are good. Representing this ambiguity requires building a conditional model P(Y|X) of the prediction, conditioned on the image.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Jiajun Lu , Aditya Deshpande , David Forsyth

Machine learning has emerged as a promising paradigm for enabling connected, automated vehicles to autonomously cruise the streets and react to unexpected situations. A key challenge, however, is to collect and select real-time and reliable…

Networking and Internet Architecture · Computer Science 2020-02-19 Alaa Awad Abdellatif , Carla Fabiana Chiasserini , Francesco Malandrino

Zero-Shot Learning (ZSL) focuses on classifying samples of unseen classes with only their side semantic information presented during training. It cannot handle real-life, open-world scenarios where there are test samples of unknown classes…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Tianqi Li , Guansong Pang , Xiao Bai , Jin Zheng , Lei Zhou , Xin Ning

Large scale vision and language models can achieve impressive zero-shot recognition performance by mapping class specific text queries to image content. Two distinct challenges that remain however, are high sensitivity to the choice of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Sarah Parisot , Yongxin Yang , Steven McDonagh

Training deep neural networks for 3D segmentation tasks can be challenging, often requiring efficient and effective strategies to improve model performance. In this study, we introduce a novel approach, DeCode, that utilizes label-derived…

We propose the Autoencoding Binary Classifiers (ABC), a novel supervised anomaly detector based on the Autoencoder (AE). There are two main approaches in anomaly detection: supervised and unsupervised. The supervised approach accurately…

Machine Learning · Statistics 2019-03-27 Yuki Yamanaka , Tomoharu Iwata , Hiroshi Takahashi , Masanori Yamada , Sekitoshi Kanai

Open World Object Detection (OWOD) is a challenging computer vision problem that requires detecting unknown objects and gradually learning the identified unknown classes. However, it cannot distinguish unknown instances as multiple unknown…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Zhiheng Wu , Yue Lu , Xingyu Chen , Zhengxing Wu , Liwen Kang , Junzhi Yu

Automatic Modulation Recognition (AMR) is a crucial technology in the domains of radar and communications. Traditional AMR approaches assume a closed-set scenario, where unknown samples are forcibly misclassified into known classes, leading…

Signal Processing · Electrical Eng. & Systems 2024-04-16 Ziwei Zhang , Mengtao Zhu , Jiabin Liu , Yunjie Li , Shafei Wang