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Sample average approximation (SAA) is a technique for obtaining approximate solutions to stochastic programs that uses the average from a random sample to approximate the expected value that is being optimized. Since the outcome from…

Optimization and Control · Mathematics 2026-01-22 Harshit Kothari , James R. Luedtke

The ability to detect and classify rare occurrences in images has important applications - for example, counting rare and endangered species when studying biodiversity, or detecting infrequent traffic scenarios that pose a danger to…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Sara Beery , Yang Liu , Dan Morris , Jim Piavis , Ashish Kapoor , Markus Meister , Neel Joshi , Pietro Perona

Compressed sensing aims to undersample certain high-dimensional signals, yet accurately reconstruct them by exploiting signal characteristics. Accurate reconstruction is possible when the object to be recovered is sufficiently sparse in a…

Information Theory · Computer Science 2015-05-13 David L. Donoho , Arian Maleki , Andrea Montanari

Recent breakthrough results in compressed sensing (CS) have established that many high dimensional objects can be accurately recovered from a relatively small number of non- adaptive linear projection observations, provided that the objects…

Machine Learning · Statistics 2011-11-30 Akshay Soni , Jarvis Haupt

Data augmentation methods enrich datasets with augmented data to improve the performance of neural networks. Recently, automated data augmentation methods have emerged, which automatically design augmentation strategies. Existing work…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Misgana Negassi , Diane Wagner , Alexander Reiterer

Modern data analytics take advantage of ensemble learning and transfer learning approaches to tackle some of the most relevant issues in data analysis, such as lack of labeled data to use to train the analysis models, sparsity of the…

The Segment Anything Model (SAM) is a powerful vision foundation model that is revolutionizing the traditional paradigm of segmentation. Despite this, a reliance on prompting each frame and large computational cost limit its usage in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Zijian Wu , Adam Schmidt , Peter Kazanzides , Septimiu E. Salcudean

Adaptive or dynamic signal sampling in sensing systems can adapt subsequent sampling strategies based on acquired signals, thereby potentially improving image quality and speed. This paper proposes a Bayesian method for adaptive sampling…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Guanhua Wang , Douglas C. Noll , Jeffrey A. Fessler

Remote sensing (RS) image segmentation is constrained by the limited availability of annotated data and a gap between overhead imagery and natural images used to train foundational models. This motivates effective adaptation under limited…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Roni Blushtein-Livnon , Osher Rafaeli , David Ioffe , Amir Boger , Karen Sandberg Esquenazi , Tal Svoray

Simple Online and Realtime Tracking (SORT) is a pragmatic approach to multiple object tracking with a focus on simple, effective algorithms. In this paper, we integrate appearance information to improve the performance of SORT. Due to this…

Computer Vision and Pattern Recognition · Computer Science 2017-03-23 Nicolai Wojke , Alex Bewley , Dietrich Paulus

Time series anomaly detection (TSAD) is a vital yet challenging task, particularly in scenarios where labeled anomalies are scarce and temporal dependencies are complex. Recent anomaly assumption (AA) approaches alleviate the lack of…

Machine Learning · Computer Science 2025-09-09 Xudong Mou , Rui Wang , Tiejun Wang , Renyu Yang , Shiru Chen , Jie Sun , Tianyu Wo , Xudong Liu

Despite their empirical success, neural networks still have difficulty capturing compositional aspects of natural language. This work proposes a simple data augmentation approach to encourage compositional behavior in neural models for…

Computation and Language · Computer Science 2020-11-19 Demi Guo , Yoon Kim , Alexander M. Rush

Composite optimization problems, where a smooth loss is combined with a nonsmooth regularizer, are common in machine learning and inverse problems. In this work, we study a proximal extension of NAG-GS, a semi-implicit accelerated method…

Optimization and Control · Mathematics 2026-05-27 Sikeh Gisele Wiykiynyuy , Kelvin Asu Ekuri , Valentin Leplat

Synthetic data, an appealing alternative to extensive expert-annotated data for medical image segmentation, consistently fails to improve segmentation performance despite its visual realism. The reason being that synthetic and real medical…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 OFM Riaz Rahman Aranya , Kevin Desai

Gait recognition is an important recognition technology, because gait is not easy to camouflage and does not need cooperation to recognize subjects. However, many existing methods are inadequate in preserving both temporal information and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Yifan Chen , Yang Zhao , Xuelong Li

The comparison of images is an important task in image processing. For a comparison of two images, a variety of measures has been suggested. However, applications such as dynamic imaging or serial sectioning provide a series of many images…

Image and Video Processing · Electrical Eng. & Systems 2019-07-23 Kai Brehmer , Benjamin Wacker , Jan Modersitzki

Test-time augmentation -- the aggregation of predictions across transformed versions of a test input -- is a common practice in image classification. Traditionally, predictions are combined using a simple average. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Divya Shanmugam , Davis Blalock , Guha Balakrishnan , John Guttag

Self-supervised learning (SSL) is an efficient approach that addresses the issue of limited training data and annotation shortage. The key part in SSL is its proxy task that defines the supervisory signals and drives the learning toward…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Jiuwen Zhu , Yuexiang Li , S. Kevin Zhou

In this paper we present an alternative method to symbolic segmentation: we approach symbolic segmentation as an algorithm selection problem. That is, let there be a set A of available algorithms for symbolic segmentation, a set of input…

Computer Vision and Pattern Recognition · Computer Science 2016-08-15 Martin Lukac , Kamila Abdiyeva , Michitaka Kameyama

Advanced data augmentation strategies have widely been studied to improve the generalization ability of deep learning models. Regional dropout is one of the popular solutions that guides the model to focus on less discriminative parts by…

Machine Learning · Computer Science 2021-07-28 A. F. M. Shahab Uddin , Mst. Sirazam Monira , Wheemyung Shin , TaeChoong Chung , Sung-Ho Bae