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Super-resolution, in-painting, whole-image generation, unpaired style-transfer, and network-constrained image reconstruction each include an aspect of machine-learned image synthesis where the actual ground truth is not known at time of…

图像与视频处理 · 电气工程与系统科学 2025-03-31 Frank J. Brooks , Rucha Deshpande

Imbalanced datasets are commonplace in modern machine learning problems. The presence of under-represented classes or groups with sensitive attributes results in concerns about generalization and fairness. Such concerns are further…

机器学习 · 计算机科学 2022-01-05 Mingchen Li , Xuechen Zhang , Christos Thrampoulidis , Jiasi Chen , Samet Oymak

The convolutional layer and loss function are two fundamental components in deep learning. Because of the success of conventional deep learning kernels, the less versatile Gabor kernels become less popular despite the fact that they can…

图像与视频处理 · 电气工程与系统科学 2022-12-16 Ken C. L. Wong , Mehdi Moradi

Recent advances in deep learning have pushed the performances of visual saliency models way further than it has ever been. Numerous models in the literature present new ways to design neural networks, to arrange gaze pattern data, or to…

计算机视觉与模式识别 · 计算机科学 2019-07-05 Alexandre Bruckert , Hamed R. Tavakoli , Zhi Liu , Marc Christie , Olivier Le Meur

The retinal vessel network studied through fundus images contributes to the diagnosis of multiple diseases not only found in the eye. The segmentation of this system may help the specialized task of analyzing these images by assisting in…

图像与视频处理 · 电气工程与系统科学 2022-06-02 Daniela Herrera , Gilberto Ochoa-Ruiz , Miguel Gonzalez-Mendoza , Christian Mata

Clinical application of high-resolution diffusion MRI is hindered by hardware limitations and prohibitive scan times, motivating computational super-resolution. This study investigates the efficacy of a feature-based loss function in…

图像与视频处理 · 电气工程与系统科学 2026-05-18 David Lohr , Rene Werner

In this paper, we highlight three issues that limit performance of machine learning on biomedical images, and tackle them through 3 case studies: 1) Interactive Machine Learning (IML): we show how IML can drastically improve exploration…

计算机视觉与模式识别 · 计算机科学 2019-02-18 Naimul Mefraz Khan , Nabila Abraham , Ling Guan

Multiple sclerosis (MS) lesions occupy a small fraction of the brain volume, and are heterogeneous with regards to shape, size and locations, which poses a great challenge for training deep learning based segmentation models. We proposed a…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Hang Zhang , Jinwei Zhang , Rongguang Wang , Qihao Zhang , Susan A. Gauthier , Pascal Spincemaille , Thanh D. Nguyen , Yi Wang

In response to the growing importance of geospatial data, its analysis including semantic segmentation becomes an increasingly popular task in computer vision today. Convolutional neural networks are powerful visual models that yield…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Alexey Bokhovkin , Evgeny Burnaev

Deep learning-based methods achieved impressive results for the segmentation of medical images. With the development of 3D fully convolutional networks (FCNs), it has become feasible to produce improved results for multi-organ segmentation…

计算机视觉与模式识别 · 计算机科学 2018-01-19 Chen Shen , Holger R. Roth , Hirohisa Oda , Masahiro Oda , Yuichiro Hayashi , Kazunari Misawa , Kensaku Mori

Dice loss is widely used for medical image segmentation, and many improvement loss functions based on such loss have been proposed. However, further Dice loss improvements are still possible. In this study, we reconsidered the use of Dice…

图像与视频处理 · 电气工程与系统科学 2022-07-19 Sota Kato , Kazuhiro Hotta

The accuracy of deep learning methods for two foundational tasks in medical image analysis -- detection and segmentation -- can suffer from class imbalance. We propose a `switching loss' function that adaptively shifts the emphasis between…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Deepak Anand , Gaurav Patel , Yaman Dang , Amit Sethi

Despite extensive research conducted in the field of image denoising, many algorithms still heavily depend on supervised learning and their effectiveness primarily relies on the quality and diversity of training data. It is widely assumed…

图像与视频处理 · 电气工程与系统科学 2023-09-22 Alexandra Malyugina , Nantheera Anantrasirichai , David Bull

Image segmentation is pivotal in medical image analysis, facilitating clinical diagnosis, treatment planning, and disease evaluation. Deep learning has significantly advanced automatic segmentation methodologies by providing superior…

图像与视频处理 · 电气工程与系统科学 2026-01-22 Zhengyong Huang , Ning Jiang , Xingwen Sun , Lihua Zhang , Peng Chen , Jens Domke , Yao Sui

Accurate brain image segmentation, particularly for distinguishing various tissues from magnetic resonance imaging (MRI) images, plays a pivotal role in finding the neurological dis ease and medical image computing. In deep learning…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Hanuman Verma , Akshansh Gupta , Pranabesh Maji , Saurav Mandal , Vijay Kumar Pandey

In machine learning and statistical modeling, the mean square or absolute error is commonly used as an error metric, also called a "loss function." While effective in reducing the average error, this approach may fail to address localized…

最优化与控制 · 数学 2025-09-10 John M. Hanna , Hugues Talbot , Irene E. Vignon-Clementel

Multi-Focus Image Fusion seeks to improve the quality of an acquired burst of images with different focus planes. For solving the task, an activity level measurement and a fusion rule are typically established to select and fuse the most…

This study presents an advanced approach to lumbar spine segmentation using deep learning techniques, focusing on addressing key challenges such as class imbalance and data preprocessing. Magnetic resonance imaging (MRI) scans of patients…

Data imbalance exists ubiquitously in real-world visual regressions, e.g., age estimation and pose estimation, hurting the model's generalizability and fairness. Thus, imbalanced regression gains increasing research attention recently.…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Jiawei Ren , Mingyuan Zhang , Cunjun Yu , Ziwei Liu

In recent years, limited research has discussed the loss function in the super-resolution process. The majority of those studies have only used perceptual similarity conventionally. This is while the development of appropriate loss can…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Arash Chaichi Mellatshahi , Shohreh Kasaei