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We consider the problem of few-shot scene adaptive crowd counting. Given a target camera scene, our goal is to adapt a model to this specific scene with only a few labeled images of that scene. The solution to this problem has potential…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Mahesh Kumar Krishna Reddy , Mohammad Hossain , Mrigank Rochan , Yang Wang

Survey researchers face two key challenges: the rising costs of probability samples and missing data (e.g., non-response or attrition), which can undermine inference and increase the use of convenience samples. Recent work explores using…

Computers and Society · Computer Science 2025-09-30 Tobias Holtdirk , Dennis Assenmacher , Arnim Bleier , Claudia Wagner

Graph representation learning, a critical step in graph-centric tasks, has seen significant advancements. Earlier techniques often operate in an end-to-end setting, which heavily rely on the availability of ample labeled data. This…

Machine Learning · Computer Science 2024-09-23 Xingtong Yu , Yuan Fang , Zemin Liu , Yuxia Wu , Zhihao Wen , Jianyuan Bo , Xinming Zhang , Steven C. H. Hoi

Deep neural networks have shown impressive performance in supervised learning, enabled by their ability to fit well to the provided training data. However, their performance is largely dependent on the quality of the training data and often…

Machine Learning · Computer Science 2021-11-11 Abhishek Kumar , Ehsan Amid

Few-shot learning (FSL) aims to learn models that generalize to novel classes with limited training samples. Recent works advance FSL towards a scenario where unlabeled examples are also available and propose semi-supervised FSL methods.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Linglan Zhao , Dashan Guo , Yunlu Xu , Liang Qiao , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Xiangzhong Fang

Recent research has shown that large language models pretrained using unsupervised approaches can achieve significant performance improvement on many downstream tasks. Typically when adapting these language models to downstream tasks, like…

Computation and Language · Computer Science 2022-06-08 Xiaodi Sun , Sunny Rajagopalan , Priyanka Nigam , Weiyi Lu , Yi Xu , Belinda Zeng , Trishul Chilimbi

We consider the problem of estimating how well a model class is capable of fitting a distribution of labeled data. We show that it is often possible to accurately estimate this "learnability" even when given an amount of data that is too…

Machine Learning · Computer Science 2019-03-26 Weihao Kong , Gregory Valiant

Semi-supervised few-shot learning consists in training a classifier to adapt to new tasks with limited labeled data and a fixed quantity of unlabeled data. Many sophisticated methods have been developed to address the challenges this…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Xiu-Shen Wei , He-Yang Xu , Faen Zhang , Yuxin Peng , Wei Zhou

We focus on the problem of recognising the end state of an action in an image, which is critical for understanding what action is performed and in which manner. We study this focusing on the task of predicting the coarseness of a cut, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Davide Moltisanti , Hakan Bilen , Laura Sevilla-Lara , Frank Keller

Empirical science of neural scaling laws is a rapidly growing area of significant importance to the future of machine learning, particularly in the light of recent breakthroughs achieved by large-scale pre-trained models such as GPT-3, CLIP…

Machine Learning · Computer Science 2021-10-20 Gabriele Prato , Simon Guiroy , Ethan Caballero , Irina Rish , Sarath Chandar

Few-shot learning has been studied to adapt models to tasks with very few samples. It holds profound significance, particularly in clinical tasks, due to the high annotation cost of medical images. Several works have explored few-shot…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Kaipeng Zheng , Weiran Huang , Lichao Sun

Fine-tuning LLMs for classification typically maps inputs directly to labels. We ask whether attaching brief explanations to each label during fine-tuning yields better models. We evaluate conversational response quality along three axes:…

Machine Learning · Computer Science 2026-03-03 Vivswan Shah , Randy Cogill , Hanwei Yue , Gopinath Chennupati , Rinat Khaziev

Deep neural networks usually perform poorly when the training dataset suffers from extreme class imbalance. Recent studies found that directly training with out-of-distribution data (i.e., open-set samples) in a semi-supervised manner would…

Machine Learning · Computer Science 2022-07-06 Hongxin Wei , Lue Tao , Renchunzi Xie , Lei Feng , Bo An

Recent instruction-finetuned large language models (LMs) have achieved notable performances in various tasks, such as question-answering (QA). However, despite their ability to memorize a vast amount of general knowledge across diverse…

Computation and Language · Computer Science 2023-10-23 Soyeong Jeong , Jinheon Baek , Sukmin Cho , Sung Ju Hwang , Jong C. Park

The spread of fake news, polarizing, politically biased, and harmful content on online platforms has been a serious concern. With large language models becoming a promising approach, however, no study has properly benchmarked their…

Computation and Language · Computer Science 2025-09-10 Michele Joshua Maggini , Dhia Merzougui , Rabiraj Bandyopadhyay , Gaël Dias , Fabrice Maurel , Pablo Gamallo

The goal of few-shot classification is to classify new categories with few labeled examples within each class. Nowadays, the excellent performance in handling few-shot classification problems is shown by metric-based meta-learning methods.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Xu Luo , Yuxuan Chen , Liangjian Wen , Lili Pan , Zenglin Xu

Event detection tasks can enable the quick detection of events from texts and provide powerful support for downstream natural language processing tasks. Most such methods can only detect a fixed set of predefined event classes. To extend…

Computation and Language · Computer Science 2023-05-05 Hao Wang , Hanwen Shi , Jianyong Duan

The first two tasks of the CLEF 2019 ProtestNews events focused on distinguishing between protest and non-protest related news articles and sentences in a binary classification task. Among the submissions, two well performing models have…

Computation and Language · Computer Science 2022-03-14 Maria Alejandra Cardoza Ceron

Public security vulnerability reports (e.g., CVE reports) play an important role in the maintenance of computer and network systems. Security companies and administrators rely on information from these reports to prioritize tasks on…

Computation and Language · Computer Science 2021-08-17 Guanqun Yang , Shay Dineen , Zhipeng Lin , Xueqing Liu

Most of the recent few-shot learning (FSL) algorithms are based on transfer learning, where a model is pre-trained using a large amount of source data, and the pre-trained model is fine-tuned using a small amount of target data. In transfer…

Machine Learning · Computer Science 2022-08-22 Yujin Kim , Jaehoon Oh , Sungnyun Kim , Se-Young Yun