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Medical image segmentation is a relevant problem, with deep learning being an exponent. However, the necessity of a high volume of fully annotated images for training massive models can be a problem, especially for applications whose images…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Matheus A. Cerqueira , Flávia Sprenger , Bernardo C. A. Teixeira , Alexandre X. Falcão

We systematically evaluate a Deep Learning (DL) method in a 3D medical image segmentation task. Our segmentation method is integrated into the radiosurgery treatment process and directly impacts the clinical workflow. With our method, we…

Typical Magnetic Resonance Imaging (MRI) scan may take 20 to 60 minutes. Reducing MRI scan time is beneficial for both patient experience and cost considerations. Accelerated MRI scan may be achieved by acquiring less amount of k-space data…

图像与视频处理 · 电气工程与系统科学 2020-01-15 Pak Lun Kevin Ding , Zhiqiang Li , Yuxiang Zhou , Baoxin Li

Automatic lymph node (LN) segmentation and detection for cancer staging are critical. In clinical practice, computed tomography (CT) and positron emission tomography (PET) imaging detect abnormal LNs. Despite its low contrast and variety in…

图像与视频处理 · 电气工程与系统科学 2022-12-23 Al-Akhir Nayan , Boonserm Kijsirikul , Yuji Iwahori

Substantial evidence indicates that major psychiatric disorders are associated with distributed neural dysconnectivity, leading to strong interest in using neuroimaging methods to accurately predict disorder status. In this work, we are…

机器学习 · 统计学 2014-03-26 Takanori Watanabe , Daniel Kessler , Clayton Scott , Michael Angstadt , Chandra Sripada

This study's objective was to segment spinal metastases in diagnostic MR images using a deep learning-based approach. Segmentation of such lesions can present a pivotal step towards enhanced therapy planning and validation, as well as…

图像与视频处理 · 电气工程与系统科学 2020-01-29 Georg Hille , Johannes Steffen , Max Dünnwald , Mathias Becker , Sylvia Saalfeld , Klaus Tönnies

$\bf{Purpose:}$ The goal of this study was (i) to use artificial intelligence to automate the traditionally labor-intensive process of manual segmentation of tumor regions in pathology slides performed by a pathologist and (ii) to validate…

The prospect of neural reconstruction from Electron Microscopy (EM) images has been elucidated by the automatic segmentation algorithms. Although segmentation algorithms eliminate the necessity of tracing the neurons by hand, significant…

计算机视觉与模式识别 · 计算机科学 2015-09-29 Toufiq Parag

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

图像与视频处理 · 电气工程与系统科学 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Glioma is one of the most common and aggressive types of primary brain tumors. The accurate segmentation of subcortical brain structures is crucial to the study of gliomas in that it helps the monitoring of the progression of gliomas and…

图像与视频处理 · 电气工程与系统科学 2018-03-02 Lele Chen , Yue Wu , Adora M. DSouza , Anas Z. Abidin , Axel Wismuller , Chenliang Xu

Current successful approaches for generic (non-semantic) segmentation rely mostly on edge detection and have leveraged the strengths of deep learning mainly by improving the edge detection stage in the algorithmic pipeline. This is in…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Or Isaacs , Oran Shayer , Michael Lindenbaum

The paper demonstrates the use of the fully convolutional neural network for glioma segmentation on the BraTS 2019 dataset. Three-layers deep encoder-decoder architecture is used along with dense connection at encoder part to propagate the…

图像与视频处理 · 电气工程与系统科学 2019-09-23 Rupal Agravat , Mehul S Raval

Image-generating machine learning models are typically trained with loss functions based on distance in the image space. This often leads to over-smoothed results. We propose a class of loss functions, which we call deep perceptual…

机器学习 · 计算机科学 2016-02-10 Alexey Dosovitskiy , Thomas Brox

Brain tumor image segmentation is a challenging research topic in which deep-learning models have presented the best results. However, the traditional way of training those models from many pre-annotated images leaves several unanswered…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Matheus A. Cerqueira , Flávia Sprenger , Bernardo C. A. Teixeira , Alexandre X. Falcão

Intra-operative ultrasound is an increasingly important imaging modality in neurosurgery. However, manual interaction with imaging data during the procedures, for example to select landmarks or perform segmentation, is difficult and can be…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Julia Rackerseder , Rüdiger Göbl , Nassir Navab , Christoph Hennersperger

This study addresses critical gaps in automated lymphoma segmentation from PET/CT images, focusing on issues often overlooked in existing literature. While deep learning has been applied for lymphoma lesion segmentation, few studies…

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

Object segmentation and structure localization are important steps in automated image analysis pipelines for microscopy images. We present a convolution neural network (CNN) based deep learning architecture for segmentation of objects in…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Shan E Ahmed Raza , Linda Cheung , Muhammad Shaban , Simon Graham , David Epstein , Stella Pelengaris , Michael Khan , Nasir M. Rajpoot

Deep learning techniques are recently being used in fundus image analysis and diabetic retinopathy detection. Microaneurysms are an important indicator of diabetic retinopathy progression. We introduce a two-stage deep learning approach for…

图像与视频处理 · 电气工程与系统科学 2019-09-25 Mhd Hasan Sarhan , Shadi Albarqouni , Mehmet Yigitsoy , Nassir Navab , Abouzar Eslami