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Most current semantic segmentation approaches fall back on deep convolutional neural networks (CNNs). However, their use of convolution operations with local receptive fields causes failures in modeling contextual spatial relations. Prior…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Lichao Mou , Yuansheng Hua , Xiao Xiang Zhu

In this paper we present a methodology that uses convolutional neural networks (CNNs) for segmentation by iteratively growing predicted mask regions in each coordinate direction. The CNN is used to predict class probability scores in a…

图像与视频处理 · 电气工程与系统科学 2020-09-25 John Lagergren , Erica Rutter , Kevin Flores

In this paper, we propose a novel technique for sampling sequential images using a cylindrical transform in a cylindrical coordinate system for kidney semantic segmentation in abdominal computed tomography (CT). The images generated from a…

计算机视觉与模式识别 · 计算机科学 2018-09-28 Hojjat Salehinejad , Sumeya Naqvi , Errol Colak , Joseph Barfett , Shahrokh Valaee

While deep neural networks have led to human-level performance on computer vision tasks, they have yet to demonstrate similar gains for holistic scene understanding. In particular, 3D context has been shown to be an extremely important cue…

计算机视觉与模式识别 · 计算机科学 2017-08-17 Yinda Zhang , Mingru Bai , Pushmeet Kohli , Shahram Izadi , Jianxiong Xiao

There is an increasing interest in applying deep learning to 3D mesh segmentation. We observe that 1) existing feature-based techniques are often slow or sensitive to feature resizing, 2) there are minimal comparative studies and 3)…

图形学 · 计算机科学 2018-02-09 David George , Xianghua Xie , Gary KL Tam

Lesion detection from computed tomography (CT) scans is challenging compared to natural object detection because of two major reasons: small lesion size and small inter-class variation. Firstly, the lesions usually only occupy a small…

计算机视觉与模式识别 · 计算机科学 2019-07-10 Qingyi Tao , Zongyuan Ge , Jianfei Cai , Jianxiong Yin , Simon See

The anatomical location of imaging features is of crucial importance for accurate diagnosis in many medical tasks. Convolutional neural networks (CNN) have had huge successes in computer vision, but they lack the natural ability to…

Typical convolutional neural networks (CNNs) have several millions of parameters and require a large amount of annotated data to train them. In medical applications where training data is hard to come by, these sophisticated machine…

计算机视觉与模式识别 · 计算机科学 2016-12-09 Rahul Venkataramani , Sheshadri Thiruvenkadam , Prasad Sudhakar , Hariharan Ravishankar , Vivek Vaidya

Although self-supervised learning enables us to bootstrap the training by exploiting unlabeled data, the generic self-supervised methods for natural images do not sufficiently incorporate the context. For medical images, a desirable method…

图像与视频处理 · 电气工程与系统科学 2022-07-08 Li Sun , Ke Yu , Kayhan Batmanghelich

Precise segmentation of medical images is fundamental for extracting critical clinical information, which plays a pivotal role in enhancing the accuracy of diagnoses, formulating effective treatment plans, and improving patient outcomes.…

图像与视频处理 · 电气工程与系统科学 2024-06-21 Jintong Hu , Siyan Chen , Zhiyi Pan , Sen Zeng , Wenming Yang

The segmentation of medical images is important for the improvement and creation of healthcare systems, particularly for early disease detection and treatment planning. In recent years, the use of convolutional neural networks (CNNs) and…

图像与视频处理 · 电气工程与系统科学 2024-01-12 Siddharth Tiwari

Purpose Automated segmentation of anatomical structures in medical image analysis is a prerequisite for autonomous diagnosis as well as various computer and robot aided interventions. Recent methods based on deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Max-Heinrich Laves , Jens Bicker , Lüder A. Kahrs , Tobias Ortmaier

Spherical convolutional networks have been introduced recently as tools to learn powerful feature representations of 3D shapes. Spherical CNNs are equivariant to 3D rotations making them ideally suited to applications where 3D data may be…

计算机视觉与模式识别 · 计算机科学 2019-05-16 Carlos Esteves , Avneesh Sud , Zhengyi Luo , Kostas Daniilidis , Ameesh Makadia

This paper introduces a network for volumetric segmentation that learns from sparsely annotated volumetric images. We outline two attractive use cases of this method: (1) In a semi-automated setup, the user annotates some slices in the…

计算机视觉与模式识别 · 计算机科学 2016-06-22 Özgün Çiçek , Ahmed Abdulkadir , Soeren S. Lienkamp , Thomas Brox , Olaf Ronneberger

We propose a novel deep-learning-based system for vessel segmentation. Existing methods using CNNs have mostly relied on local appearances learned on the regular image grid, without considering the graphical structure of vessel shape. To…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Seung Yeon Shin , Soochahn Lee , Il Dong Yun , Kyoung Mu Lee

Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

Recent advances in 3D fully convolutional networks (FCN) have made it feasible to produce dense voxel-wise predictions of volumetric images. In this work, we show that a multi-class 3D FCN trained on manually labeled CT scans of several…

Automated medical image segmentation is becoming increasingly crucial to modern clinical practice, driven by the growing demand for precise diagnosis, the push towards personalized treatment plans, and the advancements in machine learning…

图像与视频处理 · 电气工程与系统科学 2023-11-13 Tan-Hanh Pham , Xianqi Li , Kim-Doang Nguyen

Semantic segmentation for medical 3D image stacks enables accurate volumetric reconstructions, computer-aided diagnostics and follow up treatment planning. In this work, we present a novel variant of the Unet model called the NUMSnet that…

图像与视频处理 · 电气工程与系统科学 2023-04-07 Sohini Roychowdhury

Textures and edges contribute different information to image recognition. Edges and boundaries encode shape information, while textures manifest the appearance of regions. Despite the success of Convolutional Neural Networks (CNNs) in…

图像与视频处理 · 电气工程与系统科学 2020-02-12 Ali Hatamizadeh , Demetri Terzopoulos , Andriy Myronenko