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Reasoning 3D shapes from 2D images is an essential yet challenging task, especially when only single-view images are at our disposal. While an object can have a complicated shape, individual parts are usually close to geometric primitives…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Chun-Han Yao , Wei-Chih Hung , Varun Jampani , Ming-Hsuan Yang

Purpose: Automated distinct bone segmentation from CT scans is widely used in planning and navigation workflows. U-Net variants are known to provide excellent results in supervised semantic segmentation. However, in distinct bone…

图像与视频处理 · 电气工程与系统科学 2023-02-01 Eva Schnider , Julia Wolleb , Antal Huck , Mireille Toranelli , Georg Rauter , Magdalena Müller-Gerbl , Philippe C. Cattin

Spinal surgery planning necessitates automatic segmentation of vertebrae in cone-beam computed tomography (CBCT), an intraoperative imaging modality that is widely used in intervention. However, CBCT images are of low-quality and…

图像与视频处理 · 电气工程与系统科学 2021-03-10 Yuanyuan Lyu , Haofu Liao , Heqin Zhu , S. Kevin Zhou

Modern 3D laser-range scanners have a high data rate, making online simultaneous localization and mapping (SLAM) computationally challenging. Recursive state estimation techniques are efficient but commit to a state estimate immediately…

机器人学 · 计算机科学 2018-10-17 David Droeschel , Sven Behnke

Convolutional Neural Networks (CNNs) have been recently employed to solve problems from both the computer vision and medical image analysis fields. Despite their popularity, most approaches are only able to process 2D images while most…

计算机视觉与模式识别 · 计算机科学 2016-06-16 Fausto Milletari , Nassir Navab , Seyed-Ahmad Ahmadi

This paper presents a very simple but efficient algorithm for 3D line segment detection from large scale unorganized point cloud. Unlike traditional methods which usually extract 3D edge points first and then link them to fit for 3D line…

计算机视觉与模式识别 · 计算机科学 2019-01-10 Xiaohu Lu , Yahui Liu , Kai Li

The quantitative analysis of 3D confocal microscopy images of the shoot apical meristem helps understanding the growth process of some plants. Cell segmentation in these images is crucial for computational plant analysis and many automated…

计算机视觉与模式识别 · 计算机科学 2017-10-30 Thiago V. Spina , Johannes Stegmaier , Alexandre X. Falcão , Elliot Meyerowitz , Alexandre Cunha

With the introduction of fully convolutional neural networks, deep learning has raised the benchmark for medical image segmentation on both speed and accuracy, and different networks have been proposed for 2D and 3D segmentation with…

计算机视觉与模式识别 · 计算机科学 2018-09-26 Ken C. L. Wong , Mehdi Moradi , Hui Tang , Tanveer Syeda-Mahmood

For 3D medical image (e.g. CT and MRI) segmentation, the difficulty of segmenting each slice in a clinical case varies greatly. Previous research on volumetric medical image segmentation in a slice-by-slice manner conventionally use the…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Wenxuan Wang , Chen Chen , Jing Wang , Sen Zha , Yan Zhang , Jiangyun Li

Injuries of the spine, and its posterior elements in particular, are a common occurrence in trauma patients, with potentially devastating consequences. Computer-aided detection (CADe) could assist in the detection and classification of…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Holger R. Roth , Yinong Wang , Jianhua Yao , Le Lu , Joseph E. Burns , Ronald M. Summers

Intervertebral discs (IVDs), as small joints lying between adjacent vertebrae, have played an important role in pressure buffering and tissue protection. The fully-automatic localization and segmentation of IVDs have been discussed in the…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Chuanbo Wang , Ye Guo , Wei Chen , Zeyun Yu

Universal Lesion Detection (ULD) in computed tomography plays an essential role in computer-aided diagnosis. Promising ULD results have been reported by multi-slice-input detection approaches which model 3D context from multiple adjacent CT…

图像与视频处理 · 电气工程与系统科学 2022-03-16 Han Li , Long Chen , Hu Han , S. Kevin Zhou

Identifying, measuring and reporting lesions accurately and comprehensively from patient CT scans are important yet time-consuming procedures for physicians. Computer-aided lesion/significant-findings detection techniques are at the core of…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Jinzheng Cai , Ke Yan , Chi-Tung Cheng , Jing Xiao , Chien-Hung Liao , Le Lu , Adam P. Harrison

Automated segmentation of medical imaging is of broad interest to clinicians and machine learning researchers alike. The goal of segmentation is to increase efficiency and simplicity of visualization and quantification of regions of…

图像与视频处理 · 电气工程与系统科学 2020-06-04 Shruti Jadon , Owen P. Leary , Ian Pan , Tyler J. Harder , David W. Wright , Lisa H. Merck , Derek L. Merck

Liver segmentation from abdominal CT images is an essential step for liver cancer computer-aided diagnosis and surgical planning. However, both the accuracy and robustness of existing liver segmentation methods cannot meet the requirements…

图像与视频处理 · 电气工程与系统科学 2021-07-20 Changfa Shi , Min Xian , Xiancheng Zhou , Haotian Wang , Heng-Da Cheng

This study explores the use of deep learning techniques for analyzing lung Computed Tomography (CT) images. Classic deep learning approaches face challenges with varying slice counts and resolutions in CT images, a diversity arising from…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Chih-Chung Hsu , Chia-Ming Lee , Yang Fan Chiang , Yi-Shiuan Chou , Chih-Yu Jiang , Shen-Chieh Tai , Chi-Han Tsai

Segmentation of additive manufacturing (AM) defects in X-ray Computed Tomography (XCT) images is challenging, due to the poor contrast, small sizes and variation in appearance of defects. Automatic segmentation can, however, provide quality…

图像与视频处理 · 电气工程与系统科学 2021-01-25 Vivian Wen Hui Wong , Max Ferguson , Kincho H. Law , Yung-Tsun Tina Lee , Paul Witherell

Robust and accurate nuclei centroid detection is important for the understanding of biological structures in fluorescence microscopy images. Existing automated nuclei localization methods face three main challenges: (1) Most of object…

图像与视频处理 · 电气工程与系统科学 2021-11-05 Liming Wu , Shuo Han , Alain Chen , Paul Salama , Kenneth W. Dunn , Edward J. Delp

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…

In this paper, an automatic approach to predict 3D coordinates from stereo laparoscopic images is presented. The approach maps a vector of pixel intensities to 3D coordinates through training a six layer deep neural network. The…

计算机视觉与模式识别 · 计算机科学 2016-08-02 Balint Antal