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Reconstructed 3D ultrasound volume provides more context information compared to a sequence of 2D scanning frames, which is desirable for various clinical applications such as ultrasound-guided prostate biopsy. Nevertheless, 3D volume…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Hengtao Guo , Sheng Xu , Bradford J. Wood , Pingkun Yan

The work proposes a novel deep-learning framework for the synthesis of three-dimensional MRI volumes from corresponding 3D ultrasound images of the brain, leveraging a modified iteration of the Pix2Pix Generative Adversarial Network (GAN)…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Shubham Singh , Mrunal Bewoor , Ammar Ranapurwala , Satyam Rai , Sheetal Patil

Representations in the auditory cortex might be based on mechanisms similar to the visual ventral stream; modules for building invariance to transformations and multiple layers for compositionality and selectivity. In this paper we propose…

Volumetric ultrasound has the potential to significantly improve diagnostic accuracy and clinical decision-making, yet its widespread adoption remains limited by dependence on specialized hardware and restrictive acquisition protocols. In…

图像与视频处理 · 电气工程与系统科学 2026-02-03 Max Krähenmann , Sergio Tascon-Morales , Fabian Laumer , Julia E. Vogt , Ece Ozkan

In cryo-electron microscopy, the 3D electric potentials of an ensemble of molecules are projected along arbitrary viewing directions to yield noisy 2D images. The volume maps representing these potentials typically exhibit a great deal of…

应用统计 · 统计学 2018-02-08 Joakim Andén , Amit Singer

The detection of vascular structures from noisy images is a fundamental process for extracting meaningful information in many applications. Most well-known vascular enhancing techniques often rely on Hessian-based filters. This paper…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Haifa F. Alhasson , Shuaa S. Alharbi , Boguslaw Obara

We analyze and validate the virtual element method combined with a boundary correction similar to the one in [1,2], to solve problems on two dimensional domains with curved boundaries approximated by polygonal domains. We focus on the case…

数值分析 · 数学 2024-08-02 Silvia Bertoluzza , Monica Montardini , Micol Pennacchio , Daniele Prada

The Hodge decomposition is a fundamental result in differential geometry and algebraic topology, particularly in the study of differential forms on a Riemannian manifold. Despite extensive research in the past few decades,…

微分几何 · 数学 2024-08-27 Zhe Su , Yiying Tong , Guo-Wei Wei

Tensor-valued data benefits greatly from dimension reduction as the reduction in size is exponential in the number of modes. To achieve maximal reduction without loss in information, our objective in this work is to give an automated…

统计方法学 · 统计学 2022-07-22 Una Radojicic , Niko Lietzen , Klaus Nordhausen , Joni Virta

A shift of paradigm is currently underway in biomedical ultrasound thanks to plane and diverging waves for ultrafast imaging. One remaining challenge consists in the correction of phase and amplitude aberrations induced during propagation…

图像与视频处理 · 电气工程与系统科学 2019-10-15 Hanna Bendjador , Thomas Deffieux , Mickaël Tanter

Systems which incrementally create 3D semantic maps from image sequences must store and update representations of both geometry and semantic entities. However, while there has been much work on the correct formulation for geometrical…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Shuaifeng Zhi , Michael Bloesch , Stefan Leutenegger , Andrew J. Davison

To ensure interpretability of extracted sources in tensor decomposition, we introduce in this paper a dictionary-based tensor canonical polyadic decomposition which enforces one factor to belong exactly to a known dictionary. A new…

机器学习 · 统计学 2018-03-13 Jérémy E. Cohen , Nicolas Gillis

Common imaging techniques for detecting structural defects typically require sampling at more than twice the spatial frequency to achieve a target resolution. This study introduces a novel framework for imaging structural defects using…

信号处理 · 电气工程与系统科学 2024-12-03 Wei-Chen Li , Chun-Yeon Lin

One of the fundamental challenges in supervised learning for multimodal image registration is the lack of ground-truth for voxel-level spatial correspondence. This work describes a method to infer voxel-level transformation from…

In recent years, image recognition method has been a research hotspot in various fields such as video surveillance, biometric identification, unmanned vehicles, human-computer interaction, and medical image recognition. Existing recognition…

统计方法学 · 统计学 2025-05-12 Yunzhi Jin , Yanqing Zhang , Niansheng Tang

Volumetric, multimodal imaging with precise spatial and temporal co-registration can provide valuable and complementary information for diagnosis and monitoring. Considerable research has sought to combine 3D photoacoustic (PA) and…

Denoising is of utmost importance for the visualization and processing of images featuring low signal-to-noise ratio. Total variation methods are among the most popular techniques to perform this task improving the signal-to-noise ratio…

信号处理 · 电气工程与系统科学 2022-01-24 Gonzalo D. Maso Talou , Pablo J. Blanco

Volumetric ultrasound imaging faces a fundamental trade-off among image quality, frame rate, and hardware complexity. This study introduces three-dimensional Null Subtraction Imaging (3D NSI), a nonlinear beamforming framework that…

图像与视频处理 · 电气工程与系统科学 2025-11-18 Bingze Dai , Xi Zhang , Wei-Ning Lee

The sparse object detection paradigm shift towards dense 3D semantic occupancy prediction is necessary for dealing with long-tail safety challenges for autonomous vehicles. Nonetheless, the current voxelization methods commonly suffer from…

计算机视觉与模式识别 · 计算机科学 2026-01-22 A. Enes Doruk

Three-dimensional (3D) medical image enhancement, including denoising and super-resolution, is critical for clinical diagnosis in CT, PET, and MRI. Although diffusion models have shown remarkable success in 2D medical imaging, scaling them…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Hongxu Jiang , Fei Li , Boxiao Yu , Ying Zhang , Kaleb Smith , Kuang Gong , Wei Shao