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Semantic segmentation is an import task in the medical field to identify the exact extent and orientation of significant structures like organs and pathology. Deep neural networks can perform this task well by leveraging the information…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Abhijeet Parida , Arianne Tran , Nassir Navab , Shadi Albarqouni

Intensity inhomogeneities in images constitute a considerable challenge in image segmentation. In this paper we propose a novel biconvex variational model to tackle this task. We combine a total variation approach for multi class…

数值分析 · 数学 2017-05-09 Jan Henrik Fitschen , Katharina Losch , Gabriele Steidl

Given a training dataset composed of images and corresponding category labels, deep convolutional neural networks show a strong ability in mining discriminative parts for image classification. However, deep convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Weifeng Ge , Xiangru Lin , Yizhou Yu

End-to-end weakly supervised semantic segmentation aims at optimizing a segmentation model in a single-stage training process based on only image annotations. Existing methods adopt an online-trained classification branch to provide pseudo…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Lei Zhu , Hangzhou He , Xinliang Zhang , Qian Chen , Shuang Zeng , Qiushi Ren , Yanye Lu

Humans naturally perceive a 3D scene in front of them through accumulation of information obtained from multiple interconnected projections of the scene and by interpreting their correspondence. This phenomenon has inspired artificial…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Amirreza Farnoosh , Sarah Ostadabbas

Accurate identification of breast masses is crucial in diagnosing breast cancer; however, it can be challenging due to their small size and being camouflaged in surrounding normal glands. Worse still, it is also expensive in clinical…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Xinyu Xiong , Churan Wang , Wenxue Li , Guanbin Li

This study investigates weakly supervised image segmentation using loose bounding box supervision. It presents a multiple instance learning strategy based on polar transformation to assist image segmentation when loose bounding boxes are…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Juan Wang , Bin Xia

Training high-accuracy 3D detectors necessitates massive labeled 3D annotations with 7 degree-of-freedom, which is laborious and time-consuming. Therefore, the form of point annotations is proposed to offer significant prospects for…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Hongzhi Gao , Zheng Chen , Zehui Chen , Lin Chen , Jiaming Liu , Shanghang Zhang , Feng Zhao

Deep learning based salient object detection has recently achieved great success with its performance greatly outperforms any other unsupervised methods. However, annotating per-pixel saliency masks is a tedious and inefficient procedure.…

计算机视觉与模式识别 · 计算机科学 2018-03-20 Guanbin Li , Yuan Xie , Liang Lin

To improve the efficiency of surgical trajectory segmentation for robot learning in robot-assisted minimally invasive surgery, this paper presents a fast unsupervised method using video and kinematic data, followed by a promoting procedure…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Zhenzhou Shao , Hongfa Zhao , Jiexin Xie , Ying Qu , Yong Guan , Jindong Tan

Text segmentation is a challenging vision task with many downstream applications. Current text segmentation methods require pixel-level annotations, which are expensive in the cost of human labor and limited in application scenarios. In…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Xinyan Zu , Haiyang Yu , Bin Li , Xiangyang Xue

Surgical tool segmentation in endoscopic images is an important problem: it is a crucial step towards full instrument pose estimation and it is used for integration of pre- and intra-operative images into the endoscopic view. While many…

计算机视觉与模式识别 · 计算机科学 2020-07-10 Daniil Pakhomov , Wei Shen , Nassir Navab

Modern deep learning-based 3D pose estimation approaches require plenty of 3D pose annotations. However, existing 3D datasets lack diversity, which limits the performance of current methods and their generalization ability. Although…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Zhongwei Qiu , Kai Qiu , Jianlong Fu , Dongmei Fu

Vascular structure segmentation plays a crucial role in medical analysis and clinical applications. The practical adoption of fully supervised segmentation models is impeded by the intricacy and time-consuming nature of annotating vessels…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Zhanqiang Guo , Zimeng Tan , Jianjiang Feng , Jie Zhou

The main obstacle to weakly supervised semantic image segmentation is the difficulty of obtaining pixel-level information from coarse image-level annotations. Most methods based on image-level annotations use localization maps obtained from…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Jungbeom Lee , Eunji Kim , Sungmin Lee , Jangho Lee , Sungroh Yoon

Weakly supervised learning based on scribble annotations in target extraction of remote sensing images has drawn much interest due to scribbles' flexibility in denoting winding objects and low cost of manually labeling. However, scribbles…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Yitong Li , Chang Liu , Jie Ma

Grocery stores have thousands of products that are usually identified using barcodes with a human in the loop. For automated checkout systems, it is necessary to count and classify the groceries efficiently and robustly. One possibility is…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Patrick Follmann , Bertram Drost , Tobias Böttger

One of the fundamental challenges in supervised learning for multimodal image registration is the lack of ground-truth for voxel-level spatial correspondence. This work describes a method to infer voxel-level transformation from…

Cell detection and segmentation is fundamental for all downstream analysis of digital pathology images. However, obtaining the pixel-level ground truth for single cell segmentation is extremely labor intensive. To overcome this challenge,…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Alireza Chamanzar , Yao Nie

Monocular 3D object detection is one of the most challenging tasks in 3D scene understanding. Due to the ill-posed nature of monocular imagery, existing monocular 3D detection methods highly rely on training with the manually annotated 3D…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Liang Peng , Senbo Yan , Boxi Wu , Zheng Yang , Xiaofei He , Deng Cai