中文
相关论文

相关论文: A New Computational Framework For 2D Shape-Enclosi…

200 篇论文

This paper introduces a novel feature extraction technique for the analysis of spectral line Stokes profiles. The procedure is based on the use of an auto-associative artificial neural network containing non-linear hidden layers. The neural…

天体物理学 · 物理学 2009-11-10 H. Socas-Navarro

Man-made objects usually exhibit descriptive curved features (i.e., curve networks). The curve network of an object conveys its high-level geometric and topological structure. We present a framework for extracting feature curve networks…

图形学 · 计算机科学 2016-03-30 Yuanhao Cao , Liangliang Nan , Peter Wonka

Scene understanding of high resolution aerial images is of great importance for the task of automated monitoring in various remote sensing applications. Due to the large within-class and small between-class variance in pixel values of…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Foivos I. Diakogiannis , François Waldner , Peter Caccetta , Chen Wu

Excellent performance has been achieved on instance segmentation but the quality on the boundary area remains unsatisfactory, which leads to a rising attention on boundary refinement. For practical use, an ideal post-processing refinement…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Chenming Zhu , Xuanye Zhang , Yanran Li , Liangdong Qiu , Kai Han , Xiaoguang Han

Curvilinear structures, which include line-like continuous objects, are fundamental geometrical elements in image-based applications. Reconstructing these structures from images constitutes a pivotal research area in computer vision.…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Chao Liu , Ting Zhao , Nenggan Zheng

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…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

In the field of data-driven 3D shape analysis and generation, the estimation of global topological features from localized representations such as point clouds, voxels, and neural implicit fields is a longstanding challenge. This paper…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yihao Luo

This paper describes an interdisciplinary approach to geometry modeling of geospatial boundaries. The objective is to extract surfaces from irregular spatial patterns using differential geometry and obtain coherent directional predictions…

计算工程、金融与科学 · 计算机科学 2020-06-09 Raymond Leung

For effective image segmentation, it is crucial to employ constraints informed by prior knowledge about the characteristics of the areas to be segmented to yield favorable segmentation outcomes. However, the existing methods have primarily…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Shengzhe Chen , Zhaoxuan Dong , Jun Liu

Contours may be viewed as the 2D outline of the image of an object. This type of data arises in medical imaging as well as in computer vision and can be modeled as data on a manifold and can be studied using statistical shape analysis.…

应用统计 · 统计学 2017-05-17 Chalani Prematilake , Leif Ellingson

Object skeleton is a useful cue for object detection, complementary to the object contour, as it provides a structural representation to describe the relationship among object parts. While object skeleton extraction in natural images is a…

计算机视觉与模式识别 · 计算机科学 2016-04-07 Wei Shen , Kai Zhao , Yuan Jiang , Yan Wang , Zhijiang Zhang , Xiang Bai

Automated detection of curvilinear structures, e.g., blood vessels or nerve fibres, from medical and biomedical images is a crucial early step in automatic image interpretation associated to the management of many diseases. Precise…

图像与视频处理 · 电气工程与系统科学 2020-10-20 Lei Mou , Yitian Zhao , Huazhu Fu , Yonghuai Liu , Jun Cheng , Yalin Zheng , Pan Su , Jianlong Yang , Li Chen , Alejandro F Frang , Masahiro Akiba , Jiang Liu

With the advent of depth sensing technologies, the extraction of object contours in images---a common and important pre-processing step for later higher-level computer vision tasks like object detection and human action recognition---has…

计算机视觉与模式识别 · 计算机科学 2018-05-09 Amin Zheng , Gene Cheung , Dinei Florencio

Document image dewarping remains a challenging task in the deep learning era. While existing methods have improved by leveraging text line awareness, they typically focus only on a single horizontal dimension. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Heng Li , Xiangping Wu , Qingcai Chen

Object cutout is a fundamental operation for image editing and manipulation, yet it is extremely challenging to automate it in real-world images, which typically contain considerable background clutter. In contrast to existing cutout…

计算机视觉与模式识别 · 计算机科学 2016-09-19 Huayong Xu , Yangyan Li , Wenzheng Chen , Dani Lischinski , Daniel Cohen-Or , Baoquan Chen

Ridge surfaces represent important features for the analysis of 3-dimensional (3D) datasets in diverse applications and are often derived from varying underlying data including flow fields, geological fault data, and point data, but they…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Nicolas Klenert , Verena Lepper , Daniel Baum

Sculptors often deviate from geometric accuracy in order to enhance the appearance of their sculpture. These subtle stylizations may emphasize anatomy, draw the viewer's focus to characteristic features of the subject, or symbolize textures…

图形学 · 计算机科学 2015-02-09 Jan Jachnik , Dan B Goldman , Linjie Luo , Andrew J. Davison

This paper presents a novel framework to recover \emph{detailed} avatar from a single image. It is a challenging task due to factors such as variations in human shapes, body poses, texture, and viewpoints. Prior methods typically attempt to…

计算机视觉与模式识别 · 计算机科学 2021-08-21 Hao Zhu , Xinxin Zuo , Haotian Yang , Sen Wang , Xun Cao , Ruigang Yang

Previous works studied how deep neural networks (DNNs) perceive image content in terms of their biases towards different image cues, such as texture and shape. Previous methods to measure shape and texture biases are typically…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Edgar Heinert , Thomas Gottwald , Annika Mütze , Matthias Rottmann

We propose a method for interactive boundary extraction which combines a deep, patch-based representation with an active contour framework. We train a class-specific convolutional neural network which predicts a vector pointing from the…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Christian Rupprecht , Elizabeth Huaroc , Maximilian Baust , Nassir Navab