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We propose a deep learning-based solution for the problem of feature learning in one-class classification. The proposed method operates on top of a Convolutional Neural Network (CNN) of choice and produces descriptive features while…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Pramuditha Perera , Vishal M. Patel

The core problem in zero-shot open vocabulary detection is how to align visual and text features, so that the detector performs well on unseen classes. Previous approaches train the feature pyramid and detection head from scratch, which…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Relja Arandjelović , Alex Andonian , Arthur Mensch , Olivier J. Hénaff , Jean-Baptiste Alayrac , Andrew Zisserman

In this paper, we address the problem of unsupervised video summarization that automatically extracts key-shots from an input video. Specifically, we tackle two critical issues based on our empirical observations: (i) Ineffective feature…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Yunjae Jung , Donghyeon Cho , Dahun Kim , Sanghyun Woo , In So Kweon

Fake news are nowadays an issue of pressing concern, given their recent rise as a potential threat to high-quality journalism and well-informed public discourse. The Fake News Challenge (FNC-1) was organized in 2017 to encourage the…

机器学习 · 计算机科学 2021-01-22 Luís Borges , Bruno Martins , Pável Calado

This study poses the feature correspondence problem as a hypergraph node labeling problem. Candidate feature matches and their subsets (usually of size larger than two) are considered to be the nodes and hyperedges of a hypergraph. A…

计算机视觉与模式识别 · 计算机科学 2011-07-14 Toufiq Parag , Vladimir Pavlovic , Ahmed Elgammal

Deep networks can learn to accurately recognize objects of a category by training on a large number of annotated images. However, a meta-learning challenge known as a low-shot image recognition task comes when only a few images with…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Mengting Chen , Xinggang Wang , Heng Luo , Yifeng Geng , Wenyu Liu

State-of-the-art deep learning methods achieve human-like performance on many tasks, but make errors nevertheless. Characterizing these errors in easily interpretable terms gives insight into whether a classifier is prone to making…

机器学习 · 计算机科学 2022-06-20 Michael Hedderich , Jonas Fischer , Dietrich Klakow , Jilles Vreeken

The bag-of-words model is a standard representation of text for many linear classifier learners. In many problem domains, linear classifiers are preferred over more complex models due to their efficiency, robustness and interpretability,…

计算与语言 · 计算机科学 2017-09-19 Bradford Heap , Michael Bain , Wayne Wobcke , Alfred Krzywicki , Susanne Schmeidl

Benchmark performance of deep learning classifiers alone is not a reliable predictor for the performance of a deployed model. In particular, if the image classifier has picked up spurious features in the training data, its predictions can…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Yannic Neuhaus , Maximilian Augustin , Valentyn Boreiko , Matthias Hein

We tackle a novel few-shot learning challenge, which we call few-shot semantic edge detection, aiming to localize crisp boundaries of novel categories using only a few labeled samples. We also present a Class-Agnostic Few-shot Edge…

计算机视觉与模式识别 · 计算机科学 2020-03-19 Young-Hyun Park , Jun Seo , Jaekyun Moon

Few-shot and zero-shot text classification aim to recognize samples from novel classes with limited labeled samples or no labeled samples at all. While prevailing methods have shown promising performance via transferring knowledge from seen…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Han Liu , Siyang Zhao , Xiaotong Zhang , Feng Zhang , Wei Wang , Fenglong Ma , Hongyang Chen , Hong Yu , Xianchao Zhang

The existing few-shot video classification methods often employ a meta-learning paradigm by designing customized temporal alignment module for similarity calculation. While significant progress has been made, these methods fail to focus on…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zhenxi Zhu , Limin Wang , Sheng Guo , Gangshan Wu

Vision-language models (VLMs), such as CLIP, have gained popularity for their strong open vocabulary classification performance, but they are prone to assigning high confidence scores to misclassifications, limiting their reliability in…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Zhenxiang Lin , Maryam Haghighat , Will Browne , Dimity Miller

Few-shot named entity recognition (NER) systems recognize entities using a few labeled training examples. The general pipeline consists of a span detector to identify entity spans in text and an entity-type classifier to assign types to…

计算与语言 · 计算机科学 2024-06-21 Chang Tian , Wenpeng Yin , Dan Li , Marie-Francine Moens

Attaching attributes (such as color, shape, state, action) to object categories is an important computer vision problem. Attribute prediction has seen exciting recent progress and is often formulated as a multi-label classification problem.…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Kareem Metwaly , Aerin Kim , Elliot Branson , Vishal Monga

Named entity classification is the task of classifying text-based elements into various categories, including places, names, dates, times, and monetary values. A bottleneck in named entity classification, however, is the data problem of…

计算与语言 · 计算机科学 2017-03-16 Ai Hirata , Mamoru Komachi

Learning from a few examples remains a key challenge in machine learning. Despite recent advances in important domains such as vision and language, the standard supervised deep learning paradigm does not offer a satisfactory solution for…

机器学习 · 计算机科学 2018-01-01 Oriol Vinyals , Charles Blundell , Timothy Lillicrap , Koray Kavukcuoglu , Daan Wierstra

Multiclass prediction is the problem of classifying an object into a relevant target class. We consider the problem of learning a multiclass predictor that uses only few features, and in particular, the number of used features should…

机器学习 · 计算机科学 2011-09-06 Shai Shalev-Shwartz , Yonatan Wexler , Amnon Shashua

Meta-learning frameworks for few-shot learning aims to learn models that can learn new skills or adapt to new environments rapidly with a few training examples. This has led to the generalizability of the developed model towards new classes…

机器学习 · 计算机科学 2023-10-10 Saaketh Medepalli , Naren Doraiswamy

Named entity recognition (NER) is the task to detect and classify the entity spans in the text. When entity spans overlap between each other, this problem is named as nested NER. Span-based methods have been widely used to tackle the nested…

计算与语言 · 计算机科学 2022-09-16 Hang Yan , Yu Sun , Xiaonan Li , Xipeng Qiu