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Accurate detection and segmentation of diffuse large B-cell lymphoma (DLBCL) from PET images has important implications for estimation of total metabolic tumor volume, radiomics analysis, surgical intervention and radiotherapy. Manual…

图像与视频处理 · 电气工程与系统科学 2024-03-13 Shadab Ahamed , Natalia Dubljevic , Ingrid Bloise , Claire Gowdy , Patrick Martineau , Don Wilson , Carlos F. Uribe , Arman Rahmim , Fereshteh Yousefirizi

Segmentation of lymphoma lesions is challenging due to their varied sizes and locations in whole-body PET scans. This work presents a fully-automated segmentation technique using a multi-center dataset of diffuse large B-cell lymphoma…

Automated surface segmentation is important and challenging in many medical image analysis applications. Recent deep learning based methods have been developed for various object segmentation tasks. Most of them are a classification based…

图像与视频处理 · 电气工程与系统科学 2020-07-03 Leixin Zhou , Xiaodong Wu

Objective: Hydrocephalus is a medical condition in which there is an abnormal accumulation of cerebrospinal fluid (CSF) in the brain. Segmentation of brain imagery into brain tissue and CSF (before and after surgery, i.e. pre-op vs. postop)…

图像与视频处理 · 电气工程与系统科学 2018-09-11 Venkateswararao Cherukuri , Peter Ssenyonga , Benjamin C. Warf , Abhaya V. Kulkarni , Vishal Monga , Steven J. Schiff

Model-based reconstruction employing the time separation technique (TST) was found to improve dynamic perfusion imaging of the liver using C-arm cone-beam computed tomography (CBCT). To apply TST using prior knowledge extracted from CT…

Lesion segmentation from the surrounding skin is the first task for developing automatic Computer-Aided Diagnosis of skin cancer. Variant features of lesion like uneven distribution of color, irregular shape, border and texture make this…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Md. Kamrul Hasan , Basel Alyafi , Fakrul Islam Tushar

Coral reef imagery offers critical data for monitoring ecosystem health, in particular as the ease of image datasets continues to rapidly expand. Whilst semi-automated analytical platforms for reef imagery are becoming more available, the…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Yuk-Kwan Wong , Ziqiang Zheng , Mingzhe Zhang , David Suggett , Sai-Kit Yeung

We propose a new pipeline for optical flow computation, based on Deep Learning techniques. We suggest using a Siamese CNN to independently, and in parallel, compute the descriptors of both images. The learned descriptors are then compared…

计算机视觉与模式识别 · 计算机科学 2016-04-12 David Gadot , Lior Wolf

This paper presents a hierarchical segment-based optimization method for Simultaneous Localization and Mapping (SLAM) system. First we propose a reliable trajectory segmentation method that can be used to increase efficiency in the back-end…

机器人学 · 计算机科学 2021-11-09 Yuxin Tian , Yujie Wang , Ming Ouyang , Xuesong Shi

This paper introduces Semantic Haar-Adaptive Refined Pyramid Network (SHARP-Net), a novel architecture for semantic segmentation. SHARP-Net integrates a bottom-up pathway featuring Inception-like blocks with varying filter sizes (3x3$ and…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Rasha Alshawi , Md Meftahul Ferdaus , Md Tamjidul Hoque , Kendall Niles , Ken Pathak , Steve Sloan , Mahdi Abdelguerfi

Lymphoma detection and segmentation from whole-body Positron Emission Tomography/Computed Tomography (PET/CT) volumes are crucial for surgical indication and radiotherapy. Designing automatic segmentation methods capable of effectively…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Ling Huang , Thierry Denoeux , David Tonnelet , Pierre Decazes , Su Ruan

Achieving accurate material segmentation for 3-channel RGB images is challenging due to the considerable variation in a material's appearance. Hyperspectral images, which are sets of spectral measurements sampled at multiple wavelengths,…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Yuwen Heng , Yihong Wu , Jiawen Chen , Srinandan Dasmahapatra , Hansung Kim

Capturing high resolution imagery of the Earth's surface often calls for a telescope of considerable size, even from Low Earth Orbits (LEO). A large aperture often requires large and expensive platforms. For instance, achieving a resolution…

天体物理仪器与方法 · 物理学 2024-03-28 Maxime Dumont , Carlos M. Correia , Jean-François Sauvage , Noah Schwartz , Morgan Gray , Jaime Cardoso

Segmentation of lesions on CT enables automatic measurement for clinical assessment of chronic diseases (e.g., lymphoma). Integrating large language models (LLMs) into the lesion segmentation workflow has the potential to combine imaging…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Ruida Cheng , Tejas Sudharshan Mathai , Pritam Mukherjee , Benjamin Hou , Qingqing Zhu , Zhiyong Lu , Matthew McAuliffe , Ronald M. Summers

A new, machine learning-based approach for automatically generating 3D digital geometries of woven composite textiles is proposed to overcome the limitations of existing analytical descriptions and segmentation methods. In this approach,…

计算机视觉与模式识别 · 计算机科学 2022-02-04 Aaron Allred , Lauren J. Abbott , Alireza Doostan , Kurt Maute

Blinding eye diseases are often correlated with altered retinal morphology, which can be clinically identified by segmenting retinal structures in fundus images. However, current methodologies often fall short in accurately segmenting…

图像与视频处理 · 电气工程与系统科学 2023-09-12 Mufassir M. Abbasi , Shahzaib Iqbal , Asim Naveed , Tariq M. Khan , Syed S. Naqvi , Wajeeha Khalid

Segmentation of cerebral blood vessels from Magnetic Resonance Imaging (MRI) is an open problem that could be solved with deep learning (DL). However, annotated data for training is often scarce. Due to the absence of open-source tools, we…

图像与视频处理 · 电气工程与系统科学 2023-03-10 Georgia Kenyon , Stephan Lau , Michael A. Chappell , Mark Jenkinson

Each year, numerous segmentation and classification algorithms are invented or reused to solve problems where machine vision is needed. Generally, the efficiency of these algorithms is compared against the results given by one or many human…

计算机视觉与模式识别 · 计算机科学 2008-12-18 Arnaud Martin , Hicham Laanaya , Andreas Arnold-Bos

Mesh deformation plays a pivotal role in many 3D vision tasks including dynamic simulations, rendering, and reconstruction. However, defining an efficient discrepancy between predicted and target meshes remains an open problem. A prevalent…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Tung Le , Khai Nguyen , Shanlin Sun , Kun Han , Nhat Ho , Xiaohui Xie

We propose a novel method, the adaptive local window, for improving level set segmentation technique. The window is estimated separately for each contour point, over iterations of the segmentation process, and for each individual object.…

计算机视觉与模式识别 · 计算机科学 2016-06-14 Assaf Hoogi , Christopher F. Beaulieu , Guilherme M. Cunha , Elhamy Heba , Claude B. Sirlin , Sandy Napel , Daniel L. Rubin