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The problem of image segmentation is known to become particularly challenging in the case of partial occlusion of the object(s) of interest, background clutter, and the presence of strong noise. To overcome this problem, the present paper…

计算机视觉与模式识别 · 计算机科学 2010-06-15 Robert Sheng Xu , Oleg Michailovich , Magdy Salama

Segmentation of tumors in brain MRI images is a challenging task, where most recent methods demand large volumes of data with pixel-level annotations, which are generally costly to obtain. In contrast, image-level annotations, where only…

图像与视频处理 · 电气工程与系统科学 2019-11-07 Sergey Pavlov , Alexey Artemov , Maksim Sharaev , Alexander Bernstein , Evgeny Burnaev

Scribble-supervised medical image segmentation tackles the limitation of sparse masks. Conventional approaches alternate between: labeling pseudo-masks and optimizing network parameters. However, such iterative two-stage paradigm is…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Zefan Yang , Di Lin , Dong Ni , Yi Wang

In this paper, we propose a pixel-wise method named TextCohesion for scene text detection, which splits a text instance into five key components: a Text Skeleton and four Directional Pixel Regions. These components are easier to handle than…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Weijia Wu , Jici Xing , Hong Zhou

Medical image segmentation is one of the important tasks of computer-aided diagnosis in medical image analysis. Since most medical images have the characteristics of blurred boundaries and uneven intensity distribution, through existing…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Sixing Yin , Yameng Han , Shufang Li

Extracting a block of interest referred to as segmenting a specified block in an image and studying its characteristics is of general research interest, and could be a challenging if such a segmentation task has to be carried out directly…

计算机视觉与模式识别 · 计算机科学 2014-02-19 Mohammed Javed , P. Nagabhushan , B. B. Chaudhuri

Driven by deep learning and the large volume of data, scene text recognition has evolved rapidly in recent years. Formerly, RNN-attention based methods have dominated this field, but suffer from the problem of \textit{attention drift} in…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Zhaoyi Wan , Minghang He , Haoran Chen , Xiang Bai , Cong Yao

High-resolution semantic segmentation requires substantial computational resources. Traditional approaches in the field typically downscale the input images before processing and then upscale the low-resolution outputs back to their…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Ritambhara Singh , Abhishek Jain , Pietro Perona , Shivani Agarwal , Junfeng Yang

We present a novel learning method to predict the cloth deformation for skeleton-based characters with a two-stream network. The characters processed in our approach are not limited to humans, and can be other skeletal-based representations…

图形学 · 计算机科学 2023-05-31 Yudi Li , Min Tang , Yun Yang , Ruofeng Tong , Shuangcai Yang , Yao Li , Bailin An , Qilong Kou

Many approaches to 3D image segmentation are based on hierarchical clustering of supervoxels into image regions. Here we describe a distributed algorithm capable of handling a tremendous number of supervoxels. The algorithm works…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Ran Lu , Aleksandar Zlateski , H. Sebastian Seung

Object skeletons are useful for object representation and object detection. They are complementary to the object contour, and provide extra information, such as how object scale (thickness) varies among object parts. But object skeleton…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Wei Shen , Kai Zhao , Yuan Jiang , Yan Wang , Xiang Bai , Alan Yuille

We present a numerically efficient method to reconstruct a disordered network of thin biopolymers, such as collagen gels, from three-dimensional (3D) image stacks recorded with a confocal microscope. Our method is based on a template…

定量方法 · 定量生物学 2011-11-17 Patrick Krauss , Claus Metzner , Janina Lange , Nadine Lang , Ben Fabry

Deep neural networks usually require accurate and a large number of annotations to achieve outstanding performance in medical image segmentation. One-shot segmentation and weakly-supervised learning are promising research directions that…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Wenhui Lei , Qi Su , Ran Gu , Na Wang , Xinglong Liu , Guotai Wang , Xiaofan Zhang , Shaoting Zhang

Segmenting anatomical structures in medical images has been successfully addressed with deep learning methods for a range of applications. However, this success is heavily dependent on the quality of the image that is being segmented. A…

图像与视频处理 · 电气工程与系统科学 2020-07-06 Ilkay Oksuz , James R. Clough , Bram Ruijsink , Esther Puyol Anton , Aurelien Bustin , Gastao Cruz , Claudia Prieto , Andrew P. King , Julia A. Schnabel

Image segmentation is often performed on medical images for identifying diseases in clinical evaluation. Hence it has become one of the major research areas. Conventional image segmentation techniques are unable to provide satisfactory…

计算机视觉与模式识别 · 计算机科学 2017-02-13 Pratik Kalshetti , Manas Bundele , Parag Rahangdale , Dinesh Jangra , Chiranjoy Chattopadhyay , Gaurav Harit , Abhay Elhence

With the novel and fast advances in the area of deep neural networks, several challenging image-based tasks have been recently approached by researchers in pattern recognition and computer vision. In this paper, we address one of these…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Jônatas Wehrmann , Anderson Mattjie , Rodrigo C. Barros

Image foreground extraction is a classical problem in image processing and vision, with a large range of applications. In this dissertation, we focus on the extraction of text and graphics in mixed-content images, and design novel…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Shervin Minaee

Due to huge deformation in the camera captured images, variety in nature of the business cards and the computational constraints of the mobile devices, design of an efficient Business Card Reader (BCR) is challenging to the researchers.…

计算机视觉与模式识别 · 计算机科学 2011-01-04 Ayatullah Faruk Mollah , Subhadip Basu , Mita Nasipuri

Two-region image segmentation is the process of dividing an image into two regions of interest, i.e., the foreground and the background. To this aim, Chan et al. [Chan, Esedo\=glu, Nikolova, SIAM Journal on Applied Mathematics 66(5),…

数值分析 · 数学 2022-06-29 Laura Antonelli , Valentina De Simone , Marco Viola

The goal of this paper is to present a new efficient image segmentation method based on evolutionary computation which is a model inspired from human behavior. Based on this model, a four layer process for image segmentation is proposed…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Roohollah Aslanzadeh , Kazem Qazanfari , Mohammad Rahmati