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Image segmentation is an important task in many medical applications. Methods based on convolutional neural networks attain state-of-the-art accuracy; however, they typically rely on supervised training with large labeled datasets. Labeling…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Amy Zhao , Guha Balakrishnan , Frédo Durand , John V. Guttag , Adrian V. Dalca

A data augmentation methodology is presented and applied to generate a large dataset of off-axis iris regions and train a low-complexity deep neural network. Although of low complexity the resulting network achieves a high level of accuracy…

Computer Vision and Pattern Recognition · Computer Science 2019-03-04 Viktor Varkarakis , Shabab Bazrafkan , Peter Corcoran

Deep convolutional neural networks require large amounts of labeled data samples. For many real-world applications, this is a major limitation which is commonly treated by augmentation methods. In this work, we address the problem of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Christoph Reinders , Frederik Schubert , Bodo Rosenhahn

In this paper, we study the problem of image recognition with non-differentiable constraints. A lot of real-life recognition applications require a rich output structure with deterministic constraints that are discrete or modeled by a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Xuan Li , Yuchen Lu , Peng Xu , Jizong Peng , Christian Desrosiers , Xue Liu

Recent years have witnessed the great success of deep convolutional neural networks (CNNs) in image denoising. Albeit deeper network and larger model capacity generally benefit performance, it remains a challenging practical issue to train…

Image and Video Processing · Electrical Eng. & Systems 2020-10-26 Yali Peng , Yue Cao , Shigang Liu , Jian Yang , Wangmeng Zuo

Underlying data structures, such as symmetries or invariances to transformations, are often exploited to improve the solution of learning tasks. However, embedding these properties in models or learning algorithms can be challenging and…

Machine Learning · Computer Science 2023-09-19 Ignacio Hounie , Luiz F. O. Chamon , Alejandro Ribeiro

The deep Convolutional Neural Network (CNN) became very popular as a fundamental technique for image classification and objects recognition. To improve the recognition accuracy for the more complex tasks, deeper networks have being…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Hideki Oki , Takio Kurita

Weak supervision combines the advantages of training on real data with the ability to exploit signal properties. However, training a neural network using weak supervision often requires an excessive amount of signal data, which severely…

High Energy Physics - Phenomenology · Physics 2024-12-23 Zong-En Chen , Cheng-Wei Chiang , Feng-Yang Hsieh

Data augmentation is a popular technique which helps improve generalization capabilities of deep neural networks. It plays a pivotal role in remote-sensing scenarios in which the amount of high-quality ground truth data is limited, and…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Jakub Nalepa , Michal Myller , Michal Kawulok

Large scale image dataset and deep convolutional neural network (DCNN) are two primary driving forces for the rapid progress made in generic object recognition tasks in recent years. While lots of network architectures have been…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Yalong Bai , Kuiyuan Yang , Tao Mei , Wei-Ying Ma , Tiejun Zhao

Data augmentation reduces the generalization error by forcing a model to learn invariant representations given different transformations of the input image. In computer vision, on top of the standard image processing functions, data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Rowel Atienza

Data augmentation is an essential part of the training process applied to deep learning models. The motivation is that a robust training process for deep learning models depends on large annotated datasets, which are expensive to be…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Toan Tran , Trung Pham , Gustavo Carneiro , Lyle Palmer , Ian Reid

We propose a novel data augmentation method `GridMask' in this paper. It utilizes information removal to achieve state-of-the-art results in a variety of computer vision tasks. We analyze the requirement of information dropping. Then we…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Pengguang Chen , Shu Liu , Hengshuang Zhao , Xingquan Wang , Jiaya Jia

Convolutional neural networks (CNN) are capable of learning robust representation with different regularization methods and activations as convolutional layers are spatially correlated. Based on this property, a large variety of regional…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Devesh Walawalkar , Zhiqiang Shen , Zechun Liu , Marios Savvides

In this paper, a data augmentation method is proposed for depression detection from speech signals. Samples for data augmentation were created by changing the frame-width and the frame-shift parameters during the feature extraction process.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-15 Vijay Ravi , Jinhan Wang , Jonathan Flint , Abeer Alwan

Image augmentation techniques apply transformation functions such as rotation, shearing, or color distortion on an input image. These augmentations were proven useful in improving neural networks' generalization ability. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Moab Arar , Ariel Shamir , Amit Bermano

Image compression helps in storing the transmitted data in proficient way by decreasing its redundancy. This technique helps in transferring more digital or multimedia data over internet as it increases the storage space. It is important to…

Multimedia · Computer Science 2012-07-11 Imen Chaabouni , Wiem Fourati , Med Salim Bouhlel

This paper investigates the problem of recovering missing samples using methods based on sparse representation adapted especially for image signals. Instead of $l_2$-norm or Mean Square Error (MSE), a new perceptual quality measure is used…

Machine Learning · Computer Science 2017-10-18 Amirhossein Javaheri , Hadi Zayyani , Farokh Marvasti

Data augmentation methods have been shown to be a fundamental technique to improve generalization in tasks such as image, text and audio classification. Recently, automated augmentation methods have led to further improvements on image…

Machine Learning · Computer Science 2021-02-17 Elizabeth Fons , Paula Dawson , Xiao-jun Zeng , John Keane , Alexandros Iosifidis

Data augmentation has proven widely effective in computer vision. In Natural Language Processing (NLP) data augmentation remains an area of active research. There is no widely accepted augmentation technique that works well across tasks and…

Computation and Language · Computer Science 2023-03-07 Isabel Garcia Pietri , Kineret Stanley