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Foreground segmentation is a fundamental problem in computer vision, which includes salient object detection, forgery detection, defocus blur detection, shadow detection, and camouflage object detection. Previous works have typically relied…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Weihuang Liu , Xi Shen , Chi-Man Pun , Xiaodong Cun

Detecting roadway segments inundated due to floodwater has important applications for vehicle routing and traffic management decisions. This paper proposes a set of algorithms to automatically detect floodwater that may be present in an…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Cem Sazara , Mecit Cetin , Khan M. Iftekharuddin

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

We present a hierarchical method for segmenting text areas in natural images. The method assumes that the text is written with a contrasting color on a more or less uniform background. But no assumption is made regarding the language or…

Computer Vision and Pattern Recognition · Computer Science 2008-02-01 Syed Ali Raza Jafri , Mireille Boutin , Edward J. Delp

Image segmentation is the process of partitioning an image into a set of meaningful regions according to some criteria. Hierarchical segmentation has emerged as a major trend in this regard as it favors the emergence of important regions at…

Machine Learning · Statistics 2018-02-21 Amin Fehri , Santiago Velasco-Forero , Fernand Meyer

Text extraction is an important problem in image processing with applications from optical character recognition to autonomous driving. Most of the traditional text segmentation algorithms consider separating text from a simple background…

Computer Vision and Pattern Recognition · Computer Science 2017-07-12 Shervin Minaee , Yao Wang

The rapid development of deep learning has made a great progress in image segmentation, one of the fundamental tasks of computer vision. However, the current segmentation algorithms mostly rely on the availability of pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Wei Shen , Zelin Peng , Xuehui Wang , Huayu Wang , Jiazhong Cen , Dongsheng Jiang , Lingxi Xie , Xiaokang Yang , Qi Tian

One of the fundamental challenges in video object segmentation is to find an effective representation of the target and background appearance. The best performing approaches resort to extensive fine-tuning of a convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Joakim Johnander , Martin Danelljan , Emil Brissman , Fahad Shahbaz Khan , Michael Felsberg

Semantic image segmentation is one of fastest growing areas in computer vision with a variety of applications. In many areas, such as robotics and autonomous vehicles, semantic image segmentation is crucial, since it provides the necessary…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Georgios Takos

Video instance segmentation, also known as multi-object tracking and segmentation, is an emerging computer vision research area introduced in 2019, aiming at detecting, segmenting, and tracking instances in videos simultaneously. By…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Chenhao Xu , Chang-Tsun Li , Yongjian Hu , Chee Peng Lim , Douglas Creighton

Image segmentation has long been a basic problem in computer vision. Depth-wise Layering is a kind of segmentation that slices an image in a depth-wise sequence unlike the conventional image segmentation problems dealing with surface-wise…

Computer Vision and Pattern Recognition · Computer Science 2020-11-22 Seyedsaeid Mirkamali , P. Nagabhushan

Estimates of image gradients play a ubiquitous role in image segmentation and classification problems since gradients directly relate to the boundaries or the edges of a scene. This paper proposes an unified approach to gradient estimation…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Anish Acharya , Uddipan Mukherjee , Charless Fowlkes

Line segments are ubiquitous in our human-made world and are increasingly used in vision tasks. They are complementary to feature points thanks to their spatial extent and the structural information they provide. Traditional line detectors…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Rémi Pautrat , Daniel Barath , Viktor Larsson , Martin R. Oswald , Marc Pollefeys

Scene graph generation has emerged as an important problem in computer vision. While scene graphs provide a grounded representation of objects, their locations and relations in an image, they do so only at the granularity of proposal…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Siddhesh Khandelwal , Mohammed Suhail , Leonid Sigal

Segmenting primary objects in a video is an important yet challenging problem in computer vision, as it exhibits various levels of foreground/background ambiguities. To reduce such ambiguities, we propose a novel formulation via exploiting…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Jia Li , Junjie Wu , Anlin Zheng , Yafei Song , Yu Zhang , Xiaowu Chen

Along with the breakthrough of convolutional neural networks, learning-based segmentation has emerged in many research works. Most of them are based on supervised learning, requiring plenty of annotated data; however, to support…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Junhuan Yang , Yi Sheng , Yuzhou Zhang , Weiwen Jiang , Lei Yang

Traditionally, object tracking and segmentation are treated as two separate problems and solved independently. However, in this paper, we argue that tracking and segmentation are actually closely related and solving one should help the…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Yicong Tian , Mubarak Shah

Image segmentation is a fundamental and challenging task in image processing and computer vision. The color image segmentation is attracting more attention due to the color image provides more information than the gray image. In this paper,…

Image and Video Processing · Electrical Eng. & Systems 2021-03-18 Tingting Wu , Xiaoyu Gu , Jinbo Shao , Ruoxuan Zhou , Zhi Li

We address the problem of soft color segmentation, defined as decomposing a given image into several RGBA layers, each containing only homogeneous color regions. The resulting layers from decomposition pave the way for applications that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Naofumi Akimoto , Huachun Zhu , Yanghua Jin , Yoshimitsu Aoki

This work presents a new robust PCA method for foreground-background separation on freely moving camera video with possible dense and sparse corruptions. Our proposed method registers the frames of the corrupted video and then encodes the…

Machine Learning · Statistics 2019-01-07 Brian E. Moore , Chen Gao , Raj Rao Nadakuditi