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Data augmentation is commonly applied to improve performance of deep learning by enforcing the knowledge that certain transformations on the input preserve the output. Currently, the data augmentation parameters are chosen by human effort…

Training multiple deep neural networks (DNNs) and averaging their outputs is a simple way to improve the predictive performance. Nevertheless, the multiplied training cost prevents this ensemble method to be practical and efficient. Several…

Machine Learning · Computer Science 2021-10-27 Feng Wang , Guoyizhe Wei , Qiao Liu , Jinxiang Ou , Xian Wei , Hairong Lv

This paper investigates the impact of various data augmentation techniques on the performance of object detection models. Specifically, we explore classical augmentation methods, image compositing, and advanced generative models such as…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Ang Jia Ning Shermaine , Michalis Lazarou , Tania Stathaki

Accurately counting cells in microscopic images is important for medical diagnoses and biological studies, but manual cell counting is very tedious, time-consuming, and prone to subjective errors, and automatic counting can be less accurate…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Shenghua He , Kyaw Thu Minn , Lilianna Solnica-Krezel , Mark Anastasio , Hua Li

It remains challenging to automatically segment kidneys in clinical ultrasound (US) images due to the kidneys' varied shapes and image intensity distributions, although semi-automatic methods have achieved promising performance. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Shi Yin , Qinmu Peng , Hongming Li , Zhengqiang Zhang , Xinge You , Susan L. Furth , Gregory E. Tasian , Yong Fan

Data augmentation is essential to achieve state-of-the-art performance in many deep learning applications. However, the most effective augmentation techniques become computationally prohibitive for even medium-sized datasets. To address…

Machine Learning · Computer Science 2023-07-21 Tian Yu Liu , Baharan Mirzasoleiman

Learning in the reproducing kernel Hilbert space (RKHS) such as the support vector machine has been recognized as a promising technique. It continues to be highly effective and competitive in numerous prediction tasks, particularly in…

Machine Learning · Computer Science 2025-01-15 Gakuto Obi , Ayato Saito , Yuto Sasaki , Tsuyoshi Kato

Radar-based wellness monitoring is becoming an effective measurement to provide accurate vital signs in a contactless manner, but data scarcity retards the related research on deep-learning-based methods. Data augmentation is commonly used…

Signal Processing · Electrical Eng. & Systems 2025-03-26 Yuanyuan Zhang , Sijie Xiong , Rui Yang , EngGee Lim , Yutao Yue

As in many other scientific domains, we face a fundamental problem when using machine learning to identify proteins from mass spectrometry data: large ground truth datasets mapping inputs to correct outputs are extremely difficult to…

This article considers the problem of estimating a multivariate probit model in a panel data setting with emphasis on sampling a high-dimensional correlation matrix and improving the overall efficiency of the data augmentation approach. We…

Computation · Statistics 2020-05-07 Vincent Chin , David Gunawan , Denzil G. Fiebig , Robert Kohn , Scott A. Sisson

Multiple technologies that measure expression levels of protein mixtures in the human body offer a potential for detection and understanding the disease. The recent increase of these technologies prompts researchers to evaluate the…

Machine Learning · Computer Science 2026-05-12 Michal Valko , Richard Pelikan , Miloš Hauskrecht

Accurately interpreting cardiac auscultation signals plays a crucial role in diagnosing and managing cardiovascular diseases. However, the paucity of labelled data inhibits classification models' training. Researchers have turned to…

Sound · Computer Science 2025-06-18 Leigh Abbott , Milan Marocchi , Matthew Fynn , Yue Rong , Sven Nordholm

This study presents an efficient incremental/decremental approach for big streams based on Kernel Ridge Regression (KRR), a frequently used data analysis in cloud centers. To avoid reanalyzing the whole dataset whenever sensors receive new…

Machine Learning · Computer Science 2017-11-10 Bo-Wei Chen , Nik Nailah Binti Abdullah , Sangoh Park

Motivated by two case studies using primary care records from the Clinical Practice Research Datalink, we describe statistical methods that facilitate the analysis of tall data, with very large numbers of observations. Our focus is on…

Methodology · Statistics 2018-05-14 Kirsty Rhodes , Rebecca Turner , Rupert Payne , Ian White

In the last decade, Convolutional Neural Network (CNN) and transformer based object detectors have achieved high performance on a large variety of datasets. Though the majority of detection literature has developed this capability on…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Cuong Ly , Grayson Jorgenson , Dan Rosa de Jesus , Henry Kvinge , Adam Attarian , Yijing Watkins

We propose a probabilistic model for refining coarse-grained spatial data by utilizing auxiliary spatial data sets. Existing methods require that the spatial granularities of the auxiliary data sets are the same as the desired granularity…

Machine Learning · Statistics 2019-07-19 Yusuke Tanaka , Tomoharu Iwata , Toshiyuki Tanaka , Takeshi Kurashima , Maya Okawa , Hiroyuki Toda

With the rapid development of deep learning, automatic modulation recognition (AMR), as an important task in cognitive radio, has gradually transformed from traditional feature extraction and classification to automatic classification by…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Xinjie Xu , Zhuangzhi Chen , Dongwei Xu , Huaji Zhou , Shanqing Yu , Shilian Zheng , Qi Xuan , Xiaoniu Yang

A problem with Convolutional Neural Networks (CNNs) is that they require large datasets to obtain adequate robustness; on small datasets, they are prone to overfitting. Many methods have been proposed to overcome this shortcoming with CNNs.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Loris Nanni , Michelangelo Paci , Sheryl Brahnam , Alessandra Lumini

We introduce the idea of inter-slice image augmentation whereby the numbers of the medical images and the corresponding segmentation labels are increased between two consecutive images in order to boost medical image segmentation accuracy.…

Image and Video Processing · Electrical Eng. & Systems 2020-08-31 Zhaotao Wu , Jia Wei , Wenguang Yuan , Jiabing Wang , Tolga Tasdizen

This paper shows the effectiveness of 2D backbone scaling and pretraining for pillar-based 3D object detectors. Pillar-based methods mainly employ randomly initialized 2D convolution neural network (ConvNet) for feature extraction and fail…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Weixin Mao , Tiancai Wang , Diankun Zhang , Junjie Yan , Osamu Yoshie
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