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Imaging in thick biological tissues is often degraded by sample-induced aberrations, which reduce image quality and resolution, particularly in super-resolution techniques. While hardware-based adaptive optics, which correct aberrations…

This paper addresses the challenges of designing mesh convolution neural networks for 3D mesh dense prediction. While deep learning has achieved remarkable success in image dense prediction tasks, directly applying or extending these…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Shi Hezi , Jiang Luo , Zheng Jianmin , Zeng Jun

Lensless imaging is an elegant approach to high-resolution microscopy, which is rapidly gaining popularity in applications where imaging optics are problematic. However, current lensless imaging methods require objects to be placed within a…

光学 · 物理学 2014-06-16 Stefan Witte , Vasco T. Tenner , Daniël W. E. Noom , Kjeld S. E. Eikema

The optical resolution of a digital camera is one of its most crucial parameters with broad relevance for consumer electronics, surveillance systems, remote sensing, or medical imaging. However, resolution is physically limited by the…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Thomas Köhler

Super-resolution reconstruction techniques entail the utilization of software algorithms to transform one or more sets of low-resolution images captured from the same scene into high-resolution images. In recent years, considerable…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Hao Yan , Zixiang Wang , Zhengjia Xu , Zhuoyue Wang , Zhizhong Wu , Ranran Lyu

In the rapidly evolving field of optical engineering, precise alignment of multi-lens imaging systems is critical yet challenging, as even minor misalignments can significantly degrade performance. Traditional alignment methods rely on…

光学 · 物理学 2025-07-01 Tomer Slor , Dean Oren , Shira Baneth , Tom Coen , Haim Suchowski

We propose a deep reparametrization of the maximum a posteriori formulation commonly employed in multi-frame image restoration tasks. Our approach is derived by introducing a learned error metric and a latent representation of the target…

图像与视频处理 · 电气工程与系统科学 2021-08-19 Goutam Bhat , Martin Danelljan , Fisher Yu , Luc Van Gool , Radu Timofte

Melanoma brain metastases (MBM) are common and spatially heterogeneous lesions, complicating cohort-level analyses due to anatomical variability and differing MRI protocols. We propose a fully differentiable, deep-learning-based deformable…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Nanna E. Wielenberg , Ilinca Popp , Oliver Blanck , Lucas Zander , Jan C. Peeken , Stephanie E. Combs , Anca-Ligia Grosu , Dimos Baltas , Tobias Fechter

In this work, we propose a new paradigm of iterative model-based reconstruction algorithms for providing real-time solution for zooming-in and refining a region of interest in medical and clinical tomographic images. This algorithmic…

图像与视频处理 · 电气工程与系统科学 2025-12-01 Junqi Tang , Guixian Xu , Jinglai Li

This paper introduces the DeepATLAS foundational model for localization tasks in the domain of high-dimensional biomedical data. Upon convergence of the proposed self-supervised objective, a pretrained model maps an input to an…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Peter D. Chang

In medical imaging, most of the image registration methods implicitly assume a one-to-one correspondence between the source and target images (i.e., diffeomorphism). However, this is not necessarily the case when dealing with pathological…

图像与视频处理 · 电气工程与系统科学 2022-02-03 Matthis Maillard , Anton François , Joan Glaunès , Isabelle Bloch , Pietro Gori

Magnetic resonance imaging (MRI) is crucial for enhancing diagnostic accuracy in clinical settings. However, the inherent long scan time of MRI restricts its widespread applicability. Deep learning-based image super-resolution (SR) methods…

图像与视频处理 · 电气工程与系统科学 2024-02-19 Hao Li , Quanwei Liu , Jianan Liu , Xiling Liu , Yanni Dong , Tao Huang , Zhihan Lv

Image Phase Alignment Super-Sampling (ImPASS) is a computational imaging algorithm for converting a sequence of displaced low-resolution images into a single high-resolution image. The method consists of a unique combination of Phase…

光学 · 物理学 2025-09-01 James N. Caron

Finite element methods typically require a high resolution to satisfactorily approximate micro and even macro patterns of an underlying physical model. This issue can be circumvented by appropriate multiscale strategies that are able to…

数值分析 · 数学 2025-12-24 Zhi-Song Liu , Roland Maier , Andreas Rupp

Brain atlases are essential for reducing the dimensionality of neuroimaging data and enabling interpretable analysis. However, most existing atlases are predefined, group-level templates with limited flexibility and resolution. We present…

神经元与认知 · 定量生物学 2025-09-23 Mo Wang , Kaining Peng , Jingsheng Tang , Hongkai Wen , Quanying Liu

Most current super-resolution methods rely on low and high resolution image pairs to train a network in a fully supervised manner. However, such image pairs are not available in real-world applications. Instead of directly addressing this…

图像与视频处理 · 电气工程与系统科学 2019-09-23 Andreas Lugmayr , Martin Danelljan , Radu Timofte

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

We propose an unsupervised deep learning method for atlas based registration to achieve segmentation and spatial alignment of the embryonic brain in a single framework. Our approach consists of two sequential networks with a specifically…

图像与视频处理 · 电气工程与系统科学 2020-05-14 Wietske A. P. Bastiaansen , Melek Rousian , Régine P. M. Steegers-Theunissen , Wiro J. Niessen , Anton Koning , Stefan Klein

This paper presents a generation-based debiasing framework for object detection. Prior debiasing methods are often limited by the representation diversity of samples, while naive generative augmentation often preserves the biases it aims to…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Xinhao Cai , Liulei Li , Gensheng Pei , Tao Chen , Jinshan Pan , Yazhou Yao , Wenguan Wang

Building accurate and robust artificial intelligence systems for medical image assessment requires not only the research and design of advanced deep learning models but also the creation of large and curated sets of annotated training…