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In this paper, we propose a novel implicit semantic data augmentation (ISDA) approach to complement traditional augmentation techniques like flipping, translation or rotation. Our work is motivated by the intriguing property that deep…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Yulin Wang , Xuran Pan , Shiji Song , Hong Zhang , Cheng Wu , Gao Huang

Anomaly detection in time series data is important for applications in finance, healthcare, sensor networks, and industrial monitoring. Traditional methods usually struggle with limited labeled data, high false-positive rates, and…

Machine Learning · Computer Science 2025-09-01 Bahareh Golchin , Banafsheh Rekabdar , Kunpeng Liu

In semi-supervised learning (SSL), a technique called consistency regularization (CR) achieves high performance. It has been proved that the diversity of data used in CR is extremely important to obtain a model with high discrimination…

Machine Learning · Computer Science 2020-04-03 Hiroshi Kaizuka

We extend Random Access, a fundamental operation that enables efficient search and exploration algorithms, to the modern interactive data systems based on Ranked Retrieval and Similarity Search, where orderings are dynamically defined over…

Data Structures and Algorithms · Computer Science 2026-05-26 Mohsen Dehghankar , Abolfazl Asudeh , Raghav Mittal , Suraj Shetiya , Gautam Das

Increasing the resolution of a model can improve the performance of a data assimilation system: first because model field are in better agreement with high resolution observations, then the corrections are better sustained and, with…

Atmospheric and Oceanic Physics · Physics 2022-09-07 Sébastien Barthélémy , Julien Brajard , Laurent Bertino , François Counillon

We extend semi-supervised learning to the problem of domain adaptation to learn significantly higher-accuracy models that train on one data distribution and test on a different one. With the goal of generality, we introduce AdaMatch, a…

Machine Learning · Computer Science 2022-03-16 David Berthelot , Rebecca Roelofs , Kihyuk Sohn , Nicholas Carlini , Alex Kurakin

Self-supervised representation learning~(SSRL) has advanced considerably by exploiting the transformation invariance assumption under artificially designed data augmentations. While augmentation-based SSRL algorithms push the boundaries of…

Machine Learning · Computer Science 2024-03-22 Yi Sui , Tongzi Wu , Jesse C. Cresswell , Ga Wu , George Stein , Xiao Shi Huang , Xiaochen Zhang , Maksims Volkovs

Existing active automata learning (AAL) algorithms have demonstrated their potential in capturing the behavior of complex systems (e.g., in analyzing network protocol implementations). The most widely used AAL algorithms generate finite…

Formal Languages and Automata Theory · Computer Science 2024-01-26 Simon Dierl , Paul Fiterau-Brostean , Falk Howar , Bengt Jonsson , Konstantinos Sagonas , Fredrik Tåquist

Reinforcement learning (RL) for large language model reasoning is frequently hindered by signal loss, a phenomenon where standard uniform sampling with small group sizes fails to uncover informative learning signals for difficult prompts.…

Machine Learning · Computer Science 2025-12-08 Wei Xiong , Chenlu Ye , Baohao Liao , Hanze Dong , Xinxing Xu , Christof Monz , Jiang Bian , Nan Jiang , Tong Zhang

Improving robustness of the Segment Anything Model (SAM) to input degradations is critical for its deployment in high-stakes applications such as autonomous driving and robotics. Our approach to this challenge prioritizes three key aspects:…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Sohyun Lee , Yeho Gwon , Lukas Hoyer , Suha Kwak

Representational Similarity Analysis (RSA) aims to explore similarities between neural activities of different stimuli. Classical RSA techniques employ the inverse of the covariance matrix to explore a linear model between the neural…

Neurons and Cognition · Quantitative Biology 2018-09-13 Xiaoliang Sheng , Muhammad Yousefnezhad , Tonglin Xu , Ning Yuan , Daoqiang Zhang

The acquisition of large-scale, high-quality data is a resource-intensive and time-consuming endeavor. Compared to conventional Data Augmentation (DA) techniques (e.g. cropping and rotation), exploiting prevailing diffusion models for data…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yunxiang Fu , Chaoqi Chen , Yu Qiao , Yizhou Yu

Sample average approximation (SAA) is a widely popular approach to data-driven decision-making under uncertainty. Under mild assumptions, SAA is both tractable and enjoys strong asymptotic performance guarantees. Similar guarantees,…

Optimization and Control · Mathematics 2016-11-03 Dimitris Bertsimas , Vishal Gupta , Nathan Kallus

Zero-Shot Composed Image Retrieval (ZS-CIR) aims to retrieve target images given a compositional query, consisting of a reference image and a modifying text-without relying on annotated training data. Existing approaches often generate a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Rong-Cheng Tu , Wenhao Sun , Hanzhe You , Yingjie Wang , Jiaxing Huang , Li Shen , Dacheng Tao

State-of-the-art (SOTA) Automatic Speech Recognition (ASR) systems primarily rely on acoustic information while disregarding additional multi-modal context. However, visual information are essential in disambiguation and adaptation. While…

Artificial Intelligence · Computer Science 2025-10-17 Supriti Sinhamahapatra , Jan Niehues

We propose a new learning method for heterogeneous domain adaptation (HDA), in which the data from the source domain and the target domain are represented by heterogeneous features with different dimensions. Using two different projection…

Machine Learning · Computer Science 2012-06-22 Lixin Duan , Dong Xu , Ivor Tsang

Legal text classification is a fundamental NLP task in the legal domain. Benchmark datasets in this area often exhibit a long-tail label distribution, where many labels are underrepresented, leading to poor model performance on rare…

Computation and Language · Computer Science 2025-09-01 Boheng Mao

Training a deep learning model to classify histopathological images is challenging, because of the color and shape variability of the cells and tissues, and the reduced amount of available data, which does not allow proper learning of those…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Saypraseuth Mounsaveng , Issam Laradji , David Vázquez , Marco Perdersoli , Ismail Ben Ayed

As it is cumbersome and expensive to acquire a huge amount of data for training neural dialog models, data augmentation is proposed to effectively utilize existing training samples. However, current data augmentation techniques on the…

Computation and Language · Computer Science 2023-03-20 Xiuying Chen , Mingzhe Li , Jiayi Zhang , Xiaoqiang Xia , Chen Wei , Jianwei Cui , Xin Gao , Xiangliang Zhang , Rui Yan

We propose a new approach for 3D shape matching of deformable human shapes. Our approach is based on the joint adoption of three different tools: an intrinsic spectral matching pipeline, a morphable model, and an extrinsic details…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Riccardo Marin , Simone Melzi , Emanuele Rodolà , Umberto Castellani