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Convolutional neural networks (CNN) for image steganalysis demonstrate better performances with employing concepts from high-level vision tasks. The major employed concept is to use data augmentation to avoid overfitting due to limited…

Image and Video Processing · Electrical Eng. & Systems 2021-01-28 In-Jae Yu , Wonhyuk Ahn , Seung-Hun Nam , Heung-Kyu Lee

Handwritten digit recognition remains a fundamental challenge in computer vision, with applications ranging from postal code reading to document digitization. This paper presents an ensemble-based approach that combines Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Syed Sajid Ullah , Li Gang , Mudassir Riaz , Ahsan Ashfaq , Salman Khan , Sajawal Khan

Convolutional neural networks for visual recognition require large amounts of training samples and usually benefit from data augmentation. This paper proposes PatchMix, a data augmentation method that creates new samples by composing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Paola Cascante-Bonilla , Arshdeep Sekhon , Yanjun Qi , Vicente Ordonez

Data augmentation (DA) enhances model generalization in computer vision but may introduce biases, impacting class accuracy unevenly. Our study extends this inquiry, examining DA's class-specific bias across various datasets, including those…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Athanasios Angelakis , Andrey Rass

This paper presents a comprehensive analysis of image denoising techniques, primarily focusing on Non-local Means (NLM) and Daubechies Soft Wavelet Thresholding, and their efficacy across various datasets. These methods are applied to the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Cameron Khanpour

Image fusion produces a single fused image from a set of input images. A new method for image fusion is proposed based on Weighted Average Merging Method (WAMM) in the NonSubsampled Contourlet Transform (NSCT) domain. A performance analysis…

Computer Vision and Pattern Recognition · Computer Science 2012-05-09 Manu V T , Philomina Simon

Neural network-based approaches can achieve high accuracy in various medical image segmentation tasks. However, they generally require large labelled datasets for supervised learning. Acquiring and manually labelling a large medical dataset…

Image and Video Processing · Electrical Eng. & Systems 2020-06-25 Chen Chen , Chen Qin , Huaqi Qiu , Cheng Ouyang , Shuo Wang , Liang Chen , Giacomo Tarroni , Wenjia Bai , Daniel Rueckert

Although data augmentation is a powerful technique for improving the performance of image classification tasks, it is difficult to identify the best augmentation policy. The optimal augmentation policy, which is the latent variable, cannot…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Koichi Kuriyama

The advent of accessible Generative AI tools enables anyone to create and spread synthetic images on social media, often with the intention to mislead, thus posing a significant threat to online information integrity. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Efthymia Amarantidou , Christos Koutlis , Symeon Papadopoulos , Panagiotis C. Petrantonakis

This paper investigates methods for improving generative data augmentation for deep learning. Generative data augmentation leverages the synthetic samples produced by generative models as an additional dataset for classification with small…

Machine Learning · Computer Science 2023-10-24 Shin'ya Yamaguchi , Daiki Chijiwa , Sekitoshi Kanai , Atsutoshi Kumagai , Hisashi Kashima

Data augmentation is a cornerstone of the machine learning pipeline, yet its theoretical underpinnings remain unclear. Is it merely a way to artificially augment the data set size? Or is it about encouraging the model to satisfy certain…

Machine Learning · Computer Science 2022-09-22 Ruoqi Shen , Sébastien Bubeck , Suriya Gunasekar

Over the years, the paradigm of medical image analysis has shifted from manual expertise to automated systems, often using deep learning (DL) systems. The performance of deep learning algorithms is highly dependent on data quality.…

Image and Video Processing · Electrical Eng. & Systems 2022-10-04 Sidra Aleem , Teerath Kumar , Suzanne Little , Malika Bendechache , Rob Brennan , Kevin McGuinness

Despite substantial progress in the field of deep learning, overfitting persists as a critical challenge, and data augmentation has emerged as a particularly promising approach due to its capacity to enhance model generalization in various…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Wen Liang , Youzhi Liang , Jianguo Jia

While deep neural networks have achieved remarkable performance, data augmentation has emerged as a crucial strategy to mitigate overfitting and enhance network performance. These techniques hold particular significance in industrial…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Hyungmin Kim , Donghun Kim , Pyunghwan Ahn , Sungho Suh , Hansang Cho , Junmo Kim

Data augmentation is widely known as a simple yet surprisingly effective technique for regularizing deep networks. Conventional data augmentation schemes, e.g., flipping, translation or rotation, are low-level, data-independent and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Yulin Wang , Gao Huang , Shiji Song , Xuran Pan , Yitong Xia , Cheng Wu

Pixel intensity is a widely used feature for clustering and segmentation algorithms, the resulting segmentation using only intensity values might suffer from noises and lack of spatial context information. Wavelet transform is often used…

Image and Video Processing · Electrical Eng. & Systems 2019-07-09 Junyu Chen , Eric C. Frey

In recent years, neural networks achieved much success in various applications. The main challenge in training deep neural networks is the lack of sufficient data to improve the model's generalization and avoid overfitting. One of the…

Machine Learning · Computer Science 2021-08-24 Mohammad Akyash , Hoda Mohammadzade , Hamid Behroozi

Deep learning has been achieving decent performance in computer vision requiring a large volume of images, however, collecting images is expensive and difficult in many scenarios. To alleviate this issue, many image augmentation algorithms…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Mingle Xu , Sook Yoon , Alvaro Fuentes , Dong Sun Park

In semiconductor manufacturing, wafer defect maps (WDMs) play a crucial role in diagnosing issues and enhancing process yields by revealing critical defect patterns. However, accurately categorizing WDM defects presents significant…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Yin-Yin Bao , Er-Chao Li , Hong-Qiang Yang , Bin-Bin Jia

Data augmentation is an effective technique for improving the accuracy of modern image classifiers. However, current data augmentation implementations are manually designed. In this paper, we describe a simple procedure called AutoAugment…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Ekin D. Cubuk , Barret Zoph , Dandelion Mane , Vijay Vasudevan , Quoc V. Le