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Purpose: Limited studies exploring concrete methods or approaches to tackle and enhance model fairness in the radiology domain. Our proposed AI model utilizes supervised contrastive learning to minimize bias in CXR diagnosis. Materials and…

图像与视频处理 · 电气工程与系统科学 2024-01-30 Mingquan Lin , Tianhao Li , Zhaoyi Sun , Gregory Holste , Ying Ding , Fei Wang , George Shih , Yifan Peng

Image patch matching, which is the process of identifying corresponding patches across images, has been used as a subroutine for many computer vision and image processing tasks. State -of-the-art patch matching techniques take image patches…

计算机视觉与模式识别 · 计算机科学 2018-11-09 Akila Pemasiri , Kien Nguyen , Sridha Sridharan , Clinton Fookes

In this work we investigate the practicality of stochastic gradient descent and recently introduced variants with variance-reduction techniques in imaging inverse problems. Such algorithms have been shown in the machine learning literature…

最优化与控制 · 数学 2021-01-26 Junqi Tang , Karen Egiazarian , Mohammad Golbabaee , Mike Davies

Emerging interests have been brought to recognize previously unseen objects given very few training examples, known as few-shot object detection (FSOD). Recent researches demonstrate that good feature embedding is the key to reach favorable…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Bo Sun , Banghuai Li , Shengcai Cai , Ye Yuan , Chi Zhang

Digital image processing involves the systematic handling of images using advanced computer algorithms, and has gained significant attention in both academic and practical fields. Image enhancement is a crucial preprocessing stage in the…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Rupjyoti Chutia , Dibya Jyoti Bora

We study the problem of image alignment for panoramic stitching. Unlike most existing approaches that are feature-based, our algorithm works on pixels directly, and accounts for errors across the whole images globally. Technically, we…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Yuelong Li , Mohammad Tofighi , Vishal Monga

Coronary artery disease (CAD) is a cardiovascular condition with high morbidity and mortality. Intravascular optical coherence tomography (IVOCT) has been considered as an optimal imagining system for the diagnosis and treatment of CAD.…

图像与视频处理 · 电气工程与系统科学 2022-04-26 Xueshen Li , Shengting Cao , Hongshan Liu , Xinwen Yao , Brigitta C. Brott , Silvio H. Litovsky , Xiaoyu Song , Yuye Ling , Yu Gan

A novel multi-focus image fusion algorithm performed in spatial domain based on similarity characteristics is proposed incorporating with region segmentation. In this paper, a new similarity measure is developed based on the structural…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Ya-Qiong Zhang , Xiao-Jun Wu , Hui Li

The Virtual Image Correlation method applies for the measurement of silhouettes boundaries with sub-pixel precision. It consists in a correlation between the image of interest and a virtual image based on a parametrized curve. Thanks to a…

计算机视觉与模式识别 · 计算机科学 2020-09-11 M. L. M. François

Recently, unsupervised image-to-image translation methods based on contrastive learning have achieved state-of-the-art results in many tasks. However, in the previous works, the negatives are sampled from the input image itself, which…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Chen Zhao , Wei-Ling Cai , Zheng Yuan , Cheng-Wei Hu

Recent studies have demonstrated the superior performance of introducing ``scan-wise" contrast labels into contrastive learning for multi-organ segmentation on multi-phase computed tomography (CT). However, such scan-wise labels are…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Ho Hin Lee , Yucheng Tang , Han Liu , Yubo Fan , Leon Y. Cai , Qi Yang , Xin Yu , Shunxing Bao , Yuankai Huo , Bennett A. Landman

Unsupervised image retrieval aims to learn an efficient retrieval system without expensive data annotations, but most existing methods rely heavily on handcrafted feature descriptors or pre-trained feature extractors. To minimize human…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Guile Wu , Chao Zhang , Stephan Liwicki

We propose a novel data harmonization approach known as Tensor-ComBat (TC) for structural neuroimaging data. Tensor-Combat is a novel spatially aware harmonization method that aims to estimate and remove unwanted technical variation between…

统计方法学 · 统计学 2026-04-03 Alec Reinhardt , Yajie Liu , Suprateek Kundu

Image segmentation is an important component of many image understanding systems. It aims to group pixels in a spatially and perceptually coherent manner. Typically, these algorithms have a collection of parameters that control the degree…

计算机视觉与模式识别 · 计算机科学 2018-02-02 Marc Bosch , Christopher M. Gifford , Austin G. Dress , Clare W. Lau , Jeffrey G. Skibo , Gordon A. Christie

Performance of deep learning algorithms decreases drastically if the data distributions of the training and testing sets are different. Due to variations in staining protocols, reagent brands, and habits of technicians, color variation in…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Abhijeet Patil , Mohd. Talha , Aniket Bhatia , Nikhil Cherian Kurian , Sammed Mangale , Sunil Patel , Amit Sethi

The estimation and compensation of quasi-static aberrations is mandatory to reach the ultimate performance of high-contrast imaging systems. COFFEE is a focal plane wave-front sensing method that consists in the extension of phase diversity…

天体物理仪器与方法 · 物理学 2015-06-17 B. Paul , L. M. Mugnier , J. -F. Sauvage , K. Dohlen

Contrastive learning has been adopted as a core method for unsupervised visual representation learning. Without human annotation, the common practice is to perform an instance discrimination task: Given a query image crop, this task labels…

计算机视觉与模式识别 · 计算机科学 2020-10-07 Chen Wei , Huiyu Wang , Wei Shen , Alan Yuille

When considering post-training quantization, prior work has typically focused on developing a mixed precision scheme or learning the best way to partition a network for quantization. In our work, CPT-V, we look at a general way to improve…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Natalia Frumkin , Dibakar Gope , Diana Marculescu

Vision-language models are growing in popularity and public visibility to generate, edit, and caption images at scale; but their outputs can perpetuate and amplify societal biases learned during pre-training on uncurated image-text pairs…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Brandon Smith , Miguel Farinha , Siobhan Mackenzie Hall , Hannah Rose Kirk , Aleksandar Shtedritski , Max Bain

In imaging modalities recording diffraction data, the original image can be reconstructed assuming known phases. When phases are unknown, oversampling and a constraint on the support region in the original object can be used to solve a…

信号处理 · 电气工程与系统科学 2018-10-17 Alberto Pietrini , Carl Nettelblad