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Road extraction in remote sensing images is of great importance for a wide range of applications. Because of the complex background, and high density, most of the existing methods fail to accurately extract a road network that appears…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Pourya Shamsolmoali , Masoumeh Zareapoor , Huiyu Zhou , Ruili Wang , Jie Yang

Partitioning graphs into blocks of roughly equal size such that few edges run between blocks is a frequently needed operation when processing graphs on a parallel computer. When a topology of a distributed system is known an important task…

Medical image segmentation has become an essential technique in clinical and research-oriented applications. Because manual segmentation methods are tedious, and fully automatic segmentation lacks the flexibility of human intervention or…

图像与视频处理 · 电气工程与系统科学 2019-04-24 Kevin Karsch , Qing He , Ye Duan

Heatmaps generated on inputs of image classification networks via explainable AI methods like Grad-CAM and LRP have been observed to resemble segmentations of input images in many cases. Consequently, heatmaps have also been leveraged for…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Xiaoyan Yu , Jannik Franzen , Wojciech Samek , Marina M. -C. Höhne , Dagmar Kainmueller

This article introduces an approach to facilitate cooperative exploration and mapping of large-scale, near-ground, underground, or indoor spaces via a novel integration framework for locally-dense agent map data. The effort targets limited…

计算机视觉与模式识别 · 计算机科学 2024-01-15 Kevin M. Brink , Jincheng Zhang , Andrew R. Willis , Ryan E. Sherrill , Jamie L. Godwin

Segmenting arbitrary 3D objects into constituent parts that are structurally meaningful is a fundamental problem encountered in a wide range of computer graphics applications. Existing methods for 3D shape segmentation suffer from complex…

图形学 · 计算机科学 2020-10-23 Cheng Lin , Lingjie Liu , Changjian Li , Leif Kobbelt , Bin Wang , Shiqing Xin , Wenping Wang

Purpose: Accurate segmentation of prostate cancer on magnetic resonance (MR) images is crucial for planning image-guided interventions such as targeted biopsies, cryoablation, and radiotherapy. However, subtle and variable tumour…

图像与视频处理 · 电气工程与系统科学 2026-02-23 Junqing Yang , Natasha Thorley , Ahmed Nadeem Abbasi , Shonit Punwani , Zion Tse , Yipeng Hu , Shaheer U. Saeed

Edit distances between merge trees of scalar fields have many applications in scientific visualization, such as ensemble analysis, feature tracking or symmetry detection. In this paper, we propose branch mappings, a novel approach to the…

计算几何 · 计算机科学 2022-08-12 Florian Wetzels , Heike Leitte , Christoph Garth

The segmentation of video sequences into foreground and background regions is a low-level process commonly used in video content analysis and smart surveillance applications. Using a multispectral camera setup can improve this process by…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Pierre-Luc St-Charles , Guillaume-Alexandre Bilodeau , Robert Bergevin

This paper addresses the problem of natural image segmentation by extracting information from a multi-layer array which is constructed based on color, gradient, and statistical properties of the local neighborhoods in an image. A Gaussian…

计算机视觉与模式识别 · 计算机科学 2016-10-12 Fariba Zohrizadeh , Mohsen Kheirandishfard , Farhad Kamangar

This paper proposes a novel method of coverage path planning for the purpose of scanning an unstructured environment autonomously. The method uses the morphological skeleton of the prior 2D navigation map via SLAM to generate a sequence of…

机器人学 · 计算机科学 2026-02-17 Alexander James Becoy , Kseniia Khomenko , Luka Peternel , Raj Thilak Rajan

Scene understanding is an important capability for robots acting in unstructured environments. While most SLAM approaches provide a geometrical representation of the scene, a semantic map is necessary for more complex interactions with the…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Radu Alexandru Rosu , Jan Quenzel , Sven Behnke

Segmentation maps of medical images annotated by medical experts contain rich spatial information. In this paper, we propose to decompose annotation maps to learn disentangled and richer feature transforms for segmentation problems in…

图像与视频处理 · 电气工程与系统科学 2019-06-10 Yizhe Zhang , Michael T. C. Ying , Danny Z. Chen

Geological processes determine the distribution of resources such as critical minerals, water, and geothermal energy. However, direct observation of geology is often prevented by surface cover such as overburden or vegetation. In such…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Conrad P. Koziol , Eldad Haber

Deep learning has enabled remarkable advances in scene understanding, particularly in semantic segmentation tasks. Yet, current state of the art approaches are limited to a closed set of classes, and fail when facing novel elements, also…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Nicolas Marchal , Charlotte Moraldo , Roland Siegwart , Hermann Blum , Cesar Cadena , Abel Gawel

This is a tutorial and survey paper on metric learning. Algorithms are divided into spectral, probabilistic, and deep metric learning. We first start with the definition of distance metric, Mahalanobis distance, and generalized Mahalanobis…

机器学习 · 统计学 2022-01-25 Benyamin Ghojogh , Ali Ghodsi , Fakhri Karray , Mark Crowley

In this paper we address a classification problem that has not been considered before, namely motion segmentation given pairwise matches only. Our contribution to this unexplored task is a novel formulation of motion segmentation as a…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Federica Arrigoni , Tomas Pajdla

Researchers are doing intensive work on satellite images due to the information it contains with the development of computer vision algorithms and the ease of accessibility to satellite images. Building segmentation of satellite images can…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Metehan Yalçın , Ahmet Alp Kindiroglu , Furkan Burak Bağcı , Ufuk Uyan , Mahiye Uluyağmur Öztürk

Medical image segmentation, the task of partitioning an image into meaningful parts, is an important step toward automating medical image analysis and is at the crux of a variety of medical imaging applications, such as computer aided…

计算机视觉与模式识别 · 计算机科学 2016-07-06 Masoud S. Nosrati , Ghassan Hamarneh

This survey gives an overview over different techniques used for pixel-level semantic segmentation. Metrics and datasets for the evaluation of segmentation algorithms and traditional approaches for segmentation such as unsupervised methods,…

计算机视觉与模式识别 · 计算机科学 2016-05-13 Martin Thoma