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To address semi-supervised learning from both labeled and unlabeled data, we present a novel meta-learning scheme. We particularly consider that labeled and unlabeled data share disjoint ground truth label sets, which can be seen tasks like…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Yun-Chun Chen , Chao-Te Chou , Yu-Chiang Frank Wang

In many critical computer vision scenarios unlabeled data is plentiful, but labels are scarce and difficult to obtain. As a result, semi-supervised learning which leverages unlabeled data to boost the performance of supervised classifiers…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Jay C. Rothenberger , Dimitrios I. Diochnos

Nowadays, multi-sensor technologies are applied in many fields, e.g., Health Care (HC), Human Activity Recognition (HAR), and Industrial Control System (ICS). These sensors can generate a substantial amount of multivariate time-series data.…

人工智能 · 计算机科学 2021-08-03 Yuxin Zhang , Yiqiang Chen , Jindong Wang , Zhiwen Pan

Transductive learning is a supervised machine learning task in which, unlike in traditional inductive learning, the unlabelled data that require labelling are a finite set and are available at training time. Similarly to inductive learning…

机器学习 · 计算机科学 2025-07-31 Lorenzo Volpi , Alejandro Moreo , Fabrizio Sebastiani

The prevalence of memes on social media has created the need to sentiment analyze their underlying meanings for censoring harmful content. Meme censoring systems by machine learning raise the need for a semi-supervised learning solution to…

机器学习 · 计算机科学 2023-05-17 Pham Thai Hoang Tung , Nguyen Tan Viet , Ngo Tien Anh , Phan Duy Hung

So-called unsupervised anomaly detection is better described as semi-supervised, as it assumes all training data are nominal. This assumption simplifies training but requires manual data curation, introducing bias and limiting adaptability.…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Muhammad Aqeel , Shakiba Sharifi , Marco Cristani , Francesco Setti

In meta-learning an agent extracts knowledge from observed tasks, aiming to facilitate learning of novel future tasks. Under the assumption that future tasks are 'related' to previous tasks, the accumulated knowledge should be learned in a…

机器学习 · 统计学 2019-05-21 Ron Amit , Ron Meir

Recent advancements in Large Language Models (LLMs) have facilitated the development of Multimodal LLMs (MLLMs). Despite their impressive capabilities, MLLMs often suffer from over-reliance on unimodal biases (e.g., language bias and vision…

计算与语言 · 计算机科学 2024-11-14 Meiqi Chen , Yixin Cao , Yan Zhang , Chaochao Lu

Compared to humans, machine learning models generally require significantly more training examples and fail to extrapolate from experience to solve previously unseen challenges. To help close this performance gap, we augment single-task…

机器学习 · 计算机科学 2018-07-27 Tailin Wu , John Peurifoy , Isaac L. Chuang , Max Tegmark

Data cleaning often comprises outlier detection and data repair. Systematic errors result from nearly deterministic transformations that occur repeatedly in the data, e.g. specific image pixels being set to default values or watermarks.…

机器学习 · 计算机科学 2022-07-19 Simao Eduardo , Kai Xu , Alfredo Nazabal , Charles Sutton

Most of the data-driven approaches applied to bearing fault diagnosis up to date are established in the supervised learning paradigm, which usually requires a large set of labeled data collected a priori. In practical applications, however,…

机器学习 · 计算机科学 2019-12-10 Shen Zhang , Fei Ye , Bingnan Wang , Thomas G. Habetler

This paper proposes a convolutional neural network that can fuse high-level prior for semantic image segmentation. Motivated by humans' vision recognition system, our key design is a three-layer generative structure consisting of high-level…

计算机视觉与模式识别 · 计算机科学 2015-11-24 Haitian Zheng , Yebin Liu , Mengqi Ji , Feng Wu , Lu Fang

Wireless goal-oriented semantic communication (GSC) has emerged as a promising paradigm by directly optimizing task performance. However, existing GSC frameworks typically operate on entire images and rely on labeled data for classification…

图像与视频处理 · 电气工程与系统科学 2026-04-14 Zhitong Ni , Yansha Deng , Jinhong Yuan

Deep neural networks often struggle to learn robust representations in the presence of dataset biases, leading to suboptimal generalization on unbiased datasets. This limitation arises because the models heavily depend on peripheral and…

机器学习 · 计算机科学 2024-12-11 Carlo Alberto Barbano , Enzo Tartaglione , Marco Grangetto

Meta learning methods have found success when applied to few shot classification problems, in which they quickly adapt to a small number of labeled examples. Prototypical representations, each representing a particular class, have been of…

机器学习 · 计算机科学 2020-07-21 Evan Vogelbaum , Rumen Dangovski , Li Jing , Marin Soljačić

A fundamental problem for waveform-agile radar systems is that the true environment is unknown, and transmission policies which perform well for a particular tracking instance may be sub-optimal for another. Additionally, there is a limited…

信息论 · 计算机科学 2021-10-25 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Semantic parsing is the task of transducing natural language (NL) utterances into formal meaning representations (MRs), commonly represented as tree structures. Annotating NL utterances with their corresponding MRs is expensive and…

计算与语言 · 计算机科学 2018-06-21 Pengcheng Yin , Chunting Zhou , Junxian He , Graham Neubig

Recent Vision-Language Pretrained (VLP) models have become the backbone for many downstream tasks, but they are utilized as frozen model without learning. Prompt learning is a method to improve the pre-trained VLP model by adding a…

计算与语言 · 计算机科学 2024-01-17 Youngjae Cho , HeeSun Bae , Seungjae Shin , Yeo Dong Youn , Weonyoung Joo , Il-Chul Moon

The development of deep learning models in medical image analysis is majorly limited by the lack of large-sized and well-annotated datasets. Unsupervised learning does not require labels and is more suitable for solving medical image…

计算机视觉与模式识别 · 计算机科学 2023-01-06 Zi'an Xu , Yin Dai , Fayu Liu , Weibing Chen , Yue Liu , Lifu Shi , Sheng Liu , Yuhang Zhou

Visual counterfactual explanation (CF) methods modify image concepts, e.g, shape, to change a prediction to a predefined outcome while closely resembling the original query image. Unlike self-explainable models (SEMs) and heatmap…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Anselm Haselhoff , Kevin Trelenberg , Fabian Küppers , Jonas Schneider