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Three-dimensional (3D) biomedical image sets are often acquired with in-plane pixel spacings that are far less than the out-of-plane spacings between images. The resultant anisotropy, which can be detrimental in many applications, can be…

计算机视觉与模式识别 · 计算机科学 2018-12-24 Berkay Kanberoglu , Dhritiman Das , Priya Nair , Pavan Turaga , David Frakes

We present a novel approach of 2D to 3D transfer learning based on mapping pre-trained 2D convolutional neural network weights into planar 3D kernels. The method is validated by the proposed planar 3D res-u-net network with encoder…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Martin Kolarik , Radim Burget , Carlos M. Travieso-Gonzalez , Jan Kocica

In this paper, we design an efficient, multi-stage image segmentation framework that incorporates a weighted difference of anisotropic and isotropic total variation (AITV). The segmentation framework generally consists of two stages:…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Kevin Bui , Yifei Lou , Fredrick Park , Jack Xin

High anisotropy in volumetric medical images can lead to the inconsistent quantification of anatomical and pathological structures. Particularly in optical coherence tomography (OCT), slice spacing can substantially vary across and within…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Coen de Vente , Mohammad Mohaiminul Islam , Philippe Valmaggia , Carel Hoyng , Adnan Tufail , Clara I. Sánchez

Three-Dimensional Gaussian Splatting (3DGS) has shown substantial promise in the field of computer vision, but remains unexplored in the field of magnetic resonance imaging (MRI). This study explores its potential for the reconstruction of…

图像与视频处理 · 电气工程与系统科学 2026-03-18 Tengya Peng , Ruyi Zha , Zhen Li , Xiaofeng Liu , Qing Zou

Fully convolutional neural networks have made promising progress in joint liver and liver tumor segmentation. Instead of following the debates over 2D versus 3D networks (for example, pursuing the balance between large-scale 2D pretraining…

图像与视频处理 · 电气工程与系统科学 2022-03-09 Shuxin Wang , Shilei Cao , Zhizhong Chai , Dong Wei , Kai Ma , Liansheng Wang , Yefeng Zheng

Volumetric biomedical microscopy has the potential to increase the diagnostic information extracted from clinical tissue specimens and improve the diagnostic accuracy of both human pathologists and computational pathology models.…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Cheng Jiang , Alexander Gedeon , Yiwei Lyu , Eric Landgraf , Yufeng Zhang , Xinhai Hou , Akhil Kondepudi , Asadur Chowdury , Honglak Lee , Todd Hollon

In the field of medical imaging, AI-assisted techniques such as object detection, segmentation, and classification are widely employed to alleviate the workload of physicians and doctors. However, single-task models are predominantly used,…

图像与视频处理 · 电气工程与系统科学 2025-11-18 Fan Li , Arun Iyengar , Lanyu Xu

Optimal surface segmentation is a state-of-the-art method used for segmentation of multiple globally optimal surfaces in volumetric datasets. The method is widely used in numerous medical image segmentation applications. However, nodes in…

计算机视觉与模式识别 · 计算机科学 2019-02-18 Abhay Shah , Michael D. Abramoff , Xiaodong Wu

Accurate volume segmentation from the Computed Tomography (CT) scan is a common prerequisite for pre-operative planning, intra-operative guidance and quantitative assessment of therapeutic outcomes in robot-assisted Minimally Invasive…

图像与视频处理 · 电气工程与系统科学 2020-03-10 Peichao Li , Xiao-Yun Zhou , Zhao-Yang Wang , Guang-Zhong Yang

Background and Objective. B-spline interpolation (BSI) is a popular technique in the context of medical imaging due to its adaptability and robustness in 3D object modeling. A field that utilizes BSI is Image Guided Surgery (IGS). IGS…

分布式、并行与集群计算 · 计算机科学 2020-04-20 Orestis Zachariadis , Andrea Teatini , Nitin Satpute , Juan Gómez-Luna , Onur Mutlu , Ole Jakob Elle , Joaquín Olivares

Image segmentation plays a pivotal role in several medical-imaging applications by assisting the segmentation of the regions of interest. Deep learning-based approaches have been widely adopted for semantic segmentation of medical data. In…

图像与视频处理 · 电气工程与系统科学 2021-01-20 Abhishek Shivdeo , Rohit Lokwani , Viraj Kulkarni , Amit Kharat , Aniruddha Pant

The objective of this work is to segment any arbitrary structures of interest (SOI) in 3D volumes by only annotating a single slice, (i.e. semi-automatic 3D segmentation). We show that high accuracy can be achieved by simply propagating the…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Pak-Hei Yeung , Ana I. L. Namburete , Weidi Xie

Convolutional neural networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they have not demonstrated sufficiently accurate and robust results for clinical use. In addition, they are…

MR imaging is a valuable diagnostic tool allowing to non-invasively visualize patient anatomy and pathology with high soft-tissue contrast. However, MRI acquisition is typically time-consuming, leading to patient discomfort and increased…

图像与视频处理 · 电气工程与系统科学 2025-12-23 Jan Nikolas Morshuis , Matthias Hein , Christian F. Baumgartner

The rapid development in representation learning techniques such as deep neural networks and the availability of large-scale, well-annotated medical imaging datasets have to a rapid increase in the use of supervised machine learning in the…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Dat T. Ngo , Thao T. B. Nguyen , Hieu T. Nguyen , Dung B. Nguyen , Ha Q. Nguyen , Hieu H. Pham

Anisotropic Diffusion is widely used for noise reduction with simultaneous preservation of vascular structures in maximum intensity projected (MIP) angiograms. However, extension to minimum intensity projected (mIP) venograms in…

计算机视觉与模式识别 · 计算机科学 2015-01-15 P. K. Akshara , J. S. Paul

Reproducibly achieving proper implant alignment is a critical step in total hip arthroplasty (THA) procedures that has been shown to substantially affect patient outcome. In current practice, correct alignment of the acetabular cup is…

In this paper, we present PRISM, a Promptable and Robust Interactive Segmentation Model, aiming for precise segmentation of 3D medical images. PRISM accepts various visual inputs, including points, boxes, and scribbles as sparse prompts, as…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Hao Li , Han Liu , Dewei Hu , Jiacheng Wang , Ipek Oguz

We propose a novel approach to image segmentation based on combining implicit spline representations with deep convolutional neural networks. This is done by predicting the control points of a bivariate spline function whose zero-set…

图像与视频处理 · 电气工程与系统科学 2021-03-22 Oliver J. D. Barrowclough , Georg Muntingh , Varatharajan Nainamalai , Ivar Stangeby