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Segmentation of lung tissue in computed tomography (CT) images is a precursor to most pulmonary image analysis applications. Semantic segmentation methods using deep learning have exhibited top-tier performance in recent years, however…

Image and Video Processing · Electrical Eng. & Systems 2023-04-27 Niloufar Delfan , Hamid Abrishami Moghaddam , Mohammadreza Modaresi , Kimia Afshari , Kasra Nezamabadi , Neda Pak , Omid Ghaemi , Mohamad Forouzanfar

Purpose: To investigate deep learning electrical properties tomography (EPT) for application on different simulated and in-vivo datasets including pathologies for obtaining quantitative brain conductivity maps. Methods: 3D patch-based…

Semi-supervised semantic segmentation allows model to mine effective supervision from unlabeled data to complement label-guided training. Recent research has primarily focused on consistency regularization techniques, exploring…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Xiaoyang Wang , Huihui Bai , Limin Yu , Yao Zhao , Jimin Xiao

We present three multi-scale similarity learning architectures, or DeepSim networks. These models learn pixel-level matching with a contrastive loss and are agnostic to the geometry of the considered scene. We establish a middle ground…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Mohamed Ali Chebbi , Ewelina Rupnik , Marc Pierrot-Deseilligny , Paul Lopes

Despite the superior performance of Deep Learning (DL) on numerous segmentation tasks, the DL-based approaches are notoriously overconfident about their prediction with highly polarized label probability. This is often not desirable for…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Sungmin Hong , Anna K. Bonkhoff , Andrew Hoopes , Martin Bretzner , Markus D. Schirmer , Anne-Katrin Giese , Adrian V. Dalca , Polina Golland , Natalia S. Rost

Deep learning based approaches are now widely used across biophysics to help automate a variety of tasks including image segmentation, feature selection, and deconvolution. However, the presence of multiple competing deep learning…

Image and Video Processing · Electrical Eng. & Systems 2025-01-31 J Shepard Bryan , Pedro Pessoa , Meyam Tavakoli , Steve Presse

Establishing a sparse set of keypoint correspon dences between images is a fundamental task in many computer vision pipelines. Often, this translates into a computationally expensive nearest neighbor search, where every keypoint descriptor…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Emanuele Santellani , Christian Sormann , Mattia Rossi , Andreas Kuhn , Friedrich Fraundorfer

The alignment of serial-section electron microscopy (ssEM) images is critical for efforts in neuroscience that seek to reconstruct neuronal circuits. However, each ssEM plane contains densely packed structures that vary from one section to…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Inwan Yoo , David G. C. Hildebrand , Willie F. Tobin , Wei-Chung Allen Lee , Won-Ki Jeong

Dual energy computed tomography (DECT) has become of particular interest in clinic recent years. The DECT scan comprises two images, corresponding to two photon attenuation coefficients maps of the objects. Meanwhile, the DECT images are…

Medical Physics · Physics 2017-11-21 Sui Li , Yongbo Wang , Yuting Liao , Ji He , Dong Zeng , Zhaoying Bian , Jianhua Ma

Most existing methods of semantic segmentation still suffer from two aspects of challenges: intra-class inconsistency and inter-class indistinction. To tackle these two problems, we propose a Discriminative Feature Network (DFN), which…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Changqian Yu , Jingbo Wang , Chao Peng , Changxin Gao , Gang Yu , Nong Sang

Discovering governing Partial Differential Equations (PDEs) from sparse and noisy data is a challenging issue in data-driven scientific computing. Conventional sparse regression methods often suffer from two major limitations: (i) the…

Machine Learning · Computer Science 2026-03-25 Xinxin Li , Xingyu Cui , Jin Qi , Juan Zhang , Da Li , Junping Yin

Deep convolutional neural networks (CNNs) are state-of-the-art for semantic image segmentation, but typically require many labeled training samples. Obtaining 3D segmentations of medical images for supervised training is difficult and labor…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Zhenlin Xu , Marc Niethammer

It is a challenging task to recover sharp image from a single defocus blurry image in real-world applications. On many modern cameras, dual-pixel (DP) sensors create two-image views, based on which stereo information can be exploited to…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Yu Li , Yaling Yi , Dongwei Ren , Qince Li , Wangmeng Zuo

Deep learning-based video surveillance increasingly demands privacy-preserving architectures with low computational and environmental overhead. Federated learning preserves privacy but deploying large vision-language models (VLMs)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Sébastien Thuau , Siba Haidar , Rachid Chelouah

Weakly supervised semantic segmentation (WSSS) methods using class labels often rely on class activation maps (CAMs) to localize objects. However, traditional CAM-based methods struggle with partial activations and imprecise object…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Dewen Zeng , Xinrong Hu , Yu-Jen Chen , Yawen Wu , Xiaowei Xu , Yiyu Shi

This paper introduces a two-phase deep feature engineering framework for efficient learning of semantics enhanced joint embedding, which clearly separates the deep feature engineering in data preprocessing from training the text-image joint…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Zhongwei Xie , Ling Liu , Yanzhao Wu , Luo Zhong , Lin Li

An early effective screening and grading of COVID-19 has become imperative towards optimizing the limited available resources of the medical facilities. An automated segmentation of the infected volumes in lung CT is expected to…

Image and Video Processing · Electrical Eng. & Systems 2023-02-20 Pallabi Dutta , Sushmita Mitra

Robust estimation of the essential matrix, which encodes the relative position and orientation of two cameras, is a fundamental step in structure from motion pipelines. Recent deep-based methods achieved accurate estimation by using complex…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Dror Moran , Yuval Margalit , Guy Trostianetsky , Fadi Khatib , Meirav Galun , Ronen Basri

Semantic segmentation of remote sensing images plays a vital role in a wide range of Earth Observation applications, such as land use land cover mapping, environment monitoring, and sustainable development. Driven by rapid developments in…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Libo Wang , Sijun Dong , Ying Chen , Xiaoliang Meng , Shenghui Fang , Songlin Fei

Embedding learning (EL) and feature synthesizing (FS) are two of the popular categories of fine-grained GZSL methods. EL or FS using global features cannot discriminate fine details in the absence of local features. On the other hand, EL or…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Tasfia Shermin , Shyh Wei Teng , Ferdous Sohel , Manzur Murshed , Guojun Lu