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Effective transperineal ultrasound image guidance in prostate external beam radiotherapy requires consistent alignment between probe and prostate at each session during patient set-up. Probe placement and ultrasound image inter-pretation…

计算机视觉与模式识别 · 计算机科学 2020-10-07 Alexander Grimwood , Helen McNair , Yipeng Hu , Ester Bonmati , Dean Barratt , Emma Harris

Recently, joint registration and segmentation has been formulated in a deep learning setting, by the definition of joint loss functions. In this work, we investigate joining these tasks at the architectural level. We propose a registration…

图像与视频处理 · 电气工程与系统科学 2020-04-20 Laurens Beljaards , Mohamed S. Elmahdy , Fons Verbeek , Marius Staring

Deep learning has shown unprecedented success in a variety of applications, such as computer vision and medical image analysis. However, there is still potential to improve segmentation in multimodal images by embedding prior knowledge via…

图像与视频处理 · 电气工程与系统科学 2019-10-24 Kibrom Berihu Girum , Gilles Créhange , Raabid Hussain , Paul Michael Walker , Alain Lalande

Prostate cancer diagnosis through MR imaging have currently relied on radiologists' interpretation, whilst modern AI-based methods have been developed to detect clinically significant cancers independent of radiologists. In this study, we…

图像与视频处理 · 电气工程与系统科学 2026-01-09 Xiangcen Wu , Yipei Wang , Qianye Yang , Natasha Thorley , Shonit Punwani , Veeru Kasivisvanathan , Ester Bonmati , Yipeng Hu

This paper proposes a two-stage segmentation model, variable-input based uncertainty measures and an uncertainty-guided post-processing method for prostate segmentation on 3D magnetic resonance images (MRI). The two-stage model was based on…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Huitong Pan , Yushan Feng , Quan Chen , Craig Meyer , Xue Feng

Positron emission tomography (PET) is an important functional medical imaging technique often used in the evaluation of certain brain disorders, whose reconstruction problem is ill-posed. The vast majority of reconstruction methods in PET…

图像与视频处理 · 电气工程与系统科学 2023-06-09 Tin Vlašić , Tomislav Matulić , Damir Seršić

Deep learning, particularly Convolutional Neural Networks (CNNs), has gained significant attention for its effectiveness in computer vision, especially in agricultural tasks. Recent advancements in instance segmentation have improved image…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Raul Steinmetz , Victor A. Kich , Henrique Krever , Joao D. Rigo Mazzarolo , Ricardo B. Grando , Vinicius Marini , Celio Trois , Ard Nieuwenhuizen

We present the system that we have developed for the identification and verification of pills using images that are taken by the VeriMedi device. The VeriMedi device is an Internet of Things device that takes pictures of a filled pill vial…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Tekin Evrim Ozmermer , Viktors Roze , Stanislavs Hilcuks , Alina Nescerecka

In this paper, we propose a novel deep learning method based on a Convolutional Neural Network (CNN) that simultaneously detects and geolocates plantation-rows while counting its plants considering highly-dense plantation configurations.…

Agricultural robots are expected to increase yields in a sustainable way and automate precision tasks, such as weeding and plant monitoring. At the same time, they move in a continuously changing, semi-structured field environment, in which…

机器人学 · 计算机科学 2017-09-15 Florian Kraemer , Alexander Schaefer , Andreas Eitel , Johan Vertens , Wolfram Burgard

The emergence of real-time 3D ultrasound (US) makes it possible to consider image-based tracking of subcutaneous soft tissue targets for computer guided diagnosis and therapy. We propose a 3D transrectal US based tracking system for precise…

其他计算机科学 · 计算机科学 2008-01-17 Michael Baumann , Pierre Mozer , Vincent Daanen , Jocelyne Troccaz

Protoacoustic imaging showed great promise in providing real-time 3D dose verification of proton therapy. However, the limited acquisition angle in protoacoustic imaging induces severe artifacts, which significantly impairs its accuracy for…

医学物理 · 物理学 2023-08-14 Yankun Lang , Zhuoran Jiang , Leshan Sun , Liangzhong Xiang , Lei Ren

Agriculture is vital for human survival and remains a major driver of several economies around the world; more so in underdeveloped and developing economies. With increasing demand for food and cash crops, due to a growing global population…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Daniel K. Nkemelu , Daniel Omeiza , Nancy Lubalo

Accurate and fast identification of seed cultivars is crucial to plant breeding, with accelerating breeding of new products and increasing its quality. In our study, the first attempt to design a high-accurate identification model of maize…

计算机视觉与模式识别 · 计算机科学 2018-05-25 Xuan-Yu Wang , Wen-Xuan Liao , Dong An , Yao-Guang Wei

Background and objective: Parotid gland tumors account for approximately 2% to 10% of head and neck tumors. Preoperative tumor localization, differential diagnosis, and subsequent selection of appropriate treatment for parotid gland tumors…

图像与视频处理 · 电气工程与系统科学 2022-12-27 Zi'an Xu , Yin Dai , Fayu Liu , Siqi Li , Sheng Liu , Lifu Shi , Jun Fu

We propose a fast beam orientation selection method, based on deep neural networks (DNN), capable of developing a plan comparable to those by the state-of-the-art column generation method. The novelty of Our model lies in its supervised…

医学物理 · 物理学 2019-12-23 Azar Sadeghnejad Barkousaraie , Olalekan Ogunmolu , Steve Jiang , Dan Nguyen

Uncontrolled growth of weeds can severely affect the crop yield and quality. Unrestricted use of herbicide for weed removal alters biodiversity and cause environmental pollution. Instead, identifying weed-infested regions can aid selective…

计算机视觉与模式识别 · 计算机科学 2021-02-22 Shantam Shorewala , Armaan Ashfaque , Sidharth R , Ujjwal Verma

Recently, the Diffusion Probabilistic Model (DPM)-based methods have achieved substantial success in the field of medical image segmentation. However, most of these methods fail to enable the diffusion model to learn edge features and…

图像与视频处理 · 电气工程与系统科学 2024-06-21 Tingwei Liu , Miao Zhang , Leiye Liu , Jialong Zhong , Shuyao Wang , Yongri Piao , Huchuan Lu

We propose a novel automatic method for accurate segmentation of the prostate in T2-weighted magnetic resonance imaging (MRI). Our method is based on convolutional neural networks (CNNs). Because of the large variability in the shape, size,…

图像与视频处理 · 电气工程与系统科学 2020-01-01 Davood Karimi , Golnoosh Samei , Yanan Shao , Septimiu Salcudean

In this paper, an automatic seeded region growing algorithm is proposed for cellular image segmentation. First, the regions of interest (ROIs) extracted from the preprocessed image. Second, the initial seeds are automatically selected based…

计算机视觉与模式识别 · 计算机科学 2014-12-15 Mohammed M. Abdelsamea