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Previous studies have demonstrated that not each sample in a dataset is of equal importance during training. Data pruning aims to remove less important or informative samples while still achieving comparable results as training on the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Zi Yang , Haojin Yang , Soumajit Majumder , Jorge Cardoso , Guillermo Gallego

This study evaluates three reconstruction methods for sparse climate data: the simple inverse distance weighting (IDW), the statistically grounded ordinary kriging (OK), and the advanced implicit neural representation model (MMGN…

Machine Learning · Computer Science 2025-12-16 Jakub Walczak

Purpose: To introduce a fast and improved direct reconstruction method for multi-shot diffusion weighted (msDW) scans for high-resolution studies. Methods:Multi-shot EPI methods can enable higher spatial resolution for diffusion MRI…

Medical Physics · Physics 2019-06-26 Merry Mani , Hemant Kumar Aggarwal , Vincent Magnotta , Mathews Jacob

Retrieval augmentation enables large language models to take advantage of external knowledge, for example on tasks like question answering and data imputation. However, the performance of such retrieval-augmented models is limited by the…

Machine Learning · Computer Science 2023-07-07 Xiaozhong Lyu , Stefan Grafberger , Samantha Biegel , Shaopeng Wei , Meng Cao , Sebastian Schelter , Ce Zhang

Due to its speed and simplicity, subgradient descent is one of the most used optimization algorithms in convex machine learning algorithms. However, tuning its learning rate is probably its most severe bottleneck to achieve consistent good…

Machine Learning · Computer Science 2023-07-25 Keyi Chen , Francesco Orabona

Learning individualized treatment rules (ITRs) is an important topic in precision medicine. Current literature mainly focuses on deriving ITRs from a single source population. We consider the observational data setting when the source…

Machine Learning · Statistics 2023-07-04 Rui Chen , Jared D. Huling , Guanhua Chen , Menggang Yu

In reinforcement learning (RL), experience replay-based sampling techniques play a crucial role in promoting convergence by eliminating spurious correlations. However, widely used methods such as uniform experience replay (UER) and…

Machine Learning · Computer Science 2023-02-07 Ramnath Kumar , Dheeraj Nagaraj

We study the task of retrieving relevant experiments given a query experiment. By experiment, we mean a collection of measurements from a set of `covariates' and the associated `outcomes'. While similar experiments can be retrieved by…

Machine Learning · Statistics 2014-02-20 Sohan Seth , John Shawe-Taylor , Samuel Kaski

Few-shot learning is currently enjoying a considerable resurgence of interest, aided by the recent advance of deep learning. Contemporary approaches based on weight-generation scheme delivers a straightforward and flexible solution to the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Mingjiang Liang , Shaoli Huang , Shirui Pan , Mingming Gong , Wei Liu

With such a massive growth in the number of images stored, efficient search in a database has become a crucial endeavor managed by image retrieval systems. Image Retrieval with Relevance Feedback (IRRF) involves iterative human interaction…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Boaz Lerner , Nir Darshan , Rami Ben-Ari

Meta-learning leverages related source tasks to learn an initialization that can be quickly fine-tuned to a target task with limited labeled examples. However, many popular meta-learning algorithms, such as model-agnostic meta-learning…

Machine Learning · Statistics 2020-03-24 Diana Cai , Rishit Sheth , Lester Mackey , Nicolo Fusi

Reweighted wake-sleep (RWS) is a machine learning method for performing Bayesian inference in a very general class of models. RWS draws $K$ samples from an underlying approximate posterior, then uses importance weighting to provide a better…

Machine Learning · Computer Science 2023-05-22 Thomas Heap , Gavin Leech , Laurence Aitchison

Incremental learning aims to enable machine learning models to continuously acquire new knowledge given new classes, while maintaining the knowledge already learned for old classes. Saving a subset of training samples of previously seen…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Jian Jiang , Edoardo Cetin , Oya Celiktutan

Implementing machine learning algorithms on Internet of things (IoT) devices has become essential for emerging applications, such as autonomous driving, environment monitoring. But the limitations of computation capability and energy…

Information Theory · Computer Science 2020-05-26 Xiufeng Huang , Sheng Zhou

Evolution Strategies (ES) emerged as a scalable alternative to popular Reinforcement Learning (RL) techniques, providing an almost perfect speedup when distributed across hundreds of CPU cores thanks to a reduced communication overhead.…

Machine Learning · Statistics 2018-11-13 Víctor Campos , Xavier Giro-i-Nieto , Jordi Torres

Deep learning models have become increasingly large and complex, resulting in higher memory consumption and computational demands. Consequently, model loading times and initial inference latency have increased, posing significant challenges…

Machine Learning · Computer Science 2025-10-02 Hyunwoo Kim , Junha Lee , Mincheol Choi , Jeonghwan Lee , Jaeshin Cho

Training a neural network model that can quickly adapt to a new task is highly desirable yet challenging for few-shot learning problems. Recent few-shot learning methods mostly concentrate on developing various meta-learning strategies from…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zihang Jiang , Bingyi Kang , Kuangqi Zhou , Jiashi Feng

Importance sampling (IS) as an elegant and efficient variance reduction (VR) technique for the acceleration of stochastic optimization problems has attracted many researches recently. Unlike commonly adopted stochastic uniform sampling in…

Machine Learning · Computer Science 2017-11-02 Fei Wang , Xiaofeng Gao , Guihai Chen , Jun Ye

The use of Dynamic Random Access Memory (DRAM) for storing Machine Learning (ML) models plays a critical role in accelerating ML inference tasks in the next generation of communication systems. However, periodic refreshment of DRAM results…

Networking and Internet Architecture · Computer Science 2025-10-31 Junya Shiraishi , Shashi Raj Pandey , Israel Leyva-Mayorga , Petar Popovski

Assigning importance weights to adversarial data has achieved great success in training adversarially robust networks under limited model capacity. However, existing instance-reweighted adversarial training (AT) methods heavily depend on…

Machine Learning · Computer Science 2023-08-02 Daouda Sow , Sen Lin , Zhangyang Wang , Yingbin Liang