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In this paper, we explore meta-learning for few-shot text classification. Meta-learning has shown strong performance in computer vision, where low-level patterns are transferable across learning tasks. However, directly applying this…

Computation and Language · Computer Science 2020-02-19 Yujia Bao , Menghua Wu , Shiyu Chang , Regina Barzilay

Due to the lack of expertise for medical image annotation, the investigation of label-efficient methodology for medical image segmentation becomes a heated topic. Recent progresses focus on the efficient utilization of weak annotations…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Junwen Pan , Qi Bi , Yanzhan Yang , Pengfei Zhu , Cheng Bian

Hierarchical multi-label text classification (HMTC) aims at utilizing a label hierarchy in multi-label classification. Recent approaches to HMTC deal with the problem of imposing an over-constrained premise on the output space by using…

Computation and Language · Computer Science 2024-06-21 Simon Yu , Jie He , Víctor Gutiérrez-Basulto , Jeff Z. Pan

In this paper, we aim to solve for unsupervised domain adaptation of classifiers where we have access to label information for the source domain while these are not available for a target domain. While various methods have been proposed for…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Vinod Kumar Kurmi , Shanu Kumar , Vinay P Namboodiri

Zero-shot stance detection is challenging because it requires detecting the stance of previously unseen targets in the inference phase. The ability to learn transferable target-invariant features is critical for zero-shot stance detection.…

Computation and Language · Computer Science 2022-10-10 Xuechen Zhao , Jiaying Zou , Zhong Zhang , Feng Xie , Bin Zhou , Lei Tian

Person re-identification (Re-ID) across multiple datasets is a challenging task due to two main reasons: the presence of large cross-dataset distinctions and the absence of annotated target instances. To address these two issues, this paper…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yangru Huang , Peixi Peng , Yi Jin , Yidong Li , Junliang Xing , Shiming Ge

Few shot segmentation (FSS) aims to learn pixel-level classification of a target object in a query image using only a few annotated support samples. This is challenging as it requires modeling appearance variations of target objects and the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Soopil Kim , Philip Chikontwe , Sang Hyun Park

Hyperspectral images capture vast amounts of high-dimensional spectral information about a scene, making labeling an intensive task that is resistant to out-of-the-box statistical methods. Unsupervised learning of clusters allows for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Joshua Lentz , Nicholas Karris , Alex Cloninger , James M. Murphy

Unsupervised domain adaptation seeks to learn an invariant and discriminative representation for an unlabeled target domain by leveraging the information of a labeled source dataset. We propose to improve the discriminative ability of the…

Machine Learning · Computer Science 2019-06-03 Rui Wang , Guoyin Wang , Ricardo Henao

This work addresses the unsupervised adaptation of an existing object detector to a new target domain. We assume that a large number of unlabeled videos from this domain are readily available. We automatically obtain labels on the target…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Aruni RoyChowdhury , Prithvijit Chakrabarty , Ashish Singh , SouYoung Jin , Huaizu Jiang , Liangliang Cao , Erik Learned-Miller

Small sample instance segmentation is a very challenging task, and many existing methods follow the training strategy of meta-learning which pre-train models on support set and fine-tune on query set. The pre-training phase, which is highly…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ruting Chi , Zhiyi Huang , Yuexing Han

Person re-identification in a multi-camera environment is an important part of modern surveillance systems. Person re-identification from color images has been the focus of much active research, due to the numerous challenges posed with…

Computer Vision and Pattern Recognition · Computer Science 2016-07-18 Saurabh Prasad , Tanu Priya , Minshan Cui , Shishir Shah

This paper focuses on the unsupervised domain adaptation of transferring the knowledge from the source domain to the target domain in the context of semantic segmentation. Existing approaches usually regard the pseudo label as the ground…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Zhedong Zheng , Yi Yang

Despite the availability of large datasets for tasks like image classification and image-text alignment, labeled data for more complex recognition tasks, such as detection and segmentation, is less abundant. In particular, for instance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 François Porcher , Camille Couprie , Marc Szafraniec , Jakob Verbeek

In-line with the success of deep learning on traditional recognition problem, several end-to-end deep models for zero-shot recognition have been proposed in the literature. These models are successful to predict a single unseen label given…

Computer Vision and Pattern Recognition · Computer Science 2018-03-19 Shafin Rahman , Salman Khan

Labeling data is often expensive and time-consuming, especially for tasks such as object detection and instance segmentation, which require dense labeling of the image. While few-shot object detection is about training a model on novel…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Gabriel Huang , Issam Laradji , David Vazquez , Simon Lacoste-Julien , Pau Rodriguez

In this paper, we propose a novel approach for learning multi-label classifiers with the help of privileged information. Specifically, we use similarity constraints to capture the relationship between available information and privileged…

Computer Vision and Pattern Recognition · Computer Science 2017-03-30 Shiyu Chen , Shangfei Wang , Tanfang Chen , Xiaoxiao Shi

As an algorithmic framework for learning to learn, meta-learning provides a promising solution for few-shot text classification. However, most existing research fail to give enough attention to class labels. Traditional basic framework…

Computation and Language · Computer Science 2024-12-16 Guanghua Hou , Shuhui Cao , Deqiang Ouyang , Ning Wang

With their combined spectral depth and geometric resolution, hyperspectral remote sensing images embed a wealth of complex, non-linear information that challenges traditional computer vision techniques. Yet, deep learning methods known for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Salma Haidar , José Oramas

Multi-instance learning attempts to learn from a training set consisting of labeled bags each containing many unlabeled instances. Previous studies typically treat the instances in the bags as independently and identically distributed.…

Machine Learning · Computer Science 2009-05-13 Zhi-Hua Zhou , Yu-Yin Sun , Yu-Feng Li