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This paper introduces a novel method for reconstructing meshes from sparse point clouds by predicting edge connection. Existing implicit methods usually produce superior smooth and watertight meshes due to the isosurface extraction…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Weimin Wang , Yingxu Deng , Zezeng Li , Yu Liu , Na Lei

Edge computing enables data processing closer to the source, significantly reducing latency, an essential requirement for real-time vision-based analytics such as object detection in surveillance and smart city environments. However, these…

分布式、并行与集群计算 · 计算机科学 2026-02-04 Daghash K. Alqahtani , Maria A. Rodriguez , Muhammad Aamir Cheema , Hamid Rezatofighi , Adel N. Toosi

Current methods aggregate multi-level features or introduce edge and skeleton to get more refined saliency maps. However, little attention is paid to how to obtain the complete salient object in cluttered background, where the targets are…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Ge Zhu , Jinbao Li , Yahong Guo

In today's world, a vast amount of data is being generated by edge devices that can be used as valuable training data to improve the performance of machine learning algorithms in terms of the achieved accuracy or to reduce the compute…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Aditya Rajagopal , Christos-Savvas Bouganis

Existing edge detection methods often suffer from noise amplification and excessive retention of non-salient details, limiting their applicability in high-precision industrial scenarios. To address these challenges, we propose CAM-EDIT, a…

计算机视觉与模式识别 · 计算机科学 2025-05-05 Ru-yu Yan , Da-Qing Zhang

Choosing how to encode a real-world problem as a machine learning task is an important design decision in machine learning. The task of glacier calving front modeling has often been approached as a semantic segmentation task. Recent studies…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Konrad Heidler , Lichao Mou , Erik Loebel , Mirko Scheinert , Sébastien Lefèvre , Xiao Xiang Zhu

Exploiting multi-scale representations is critical to improve edge detection for objects at different scales. To extract edges at dramatically different scales, we propose a Bi-Directional Cascade Network (BDCN) structure, where an…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Jianzhong He , Shiliang Zhang , Ming Yang , Yanhu Shan , Tiejun Huang

Convolutional Neural Networks (CNNs) are a class of artificial neural networks whose computational blocks use convolution, together with other linear and non-linear operations, to perform classification or regression. This paper explores…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Victor Stamatescu , Mark D. McDonnell

The accurate characterisation of the 3D deformations of slender fibres and thin sheets in flow, is a key experimental challenge in the study of particle-laden flows. We propose a high-resolution, single-camera method to visualise…

流体动力学 · 物理学 2026-03-18 Tymoteusz Miara , Draga Pihler-Puzović , Matthias Heil , Anne Juel

We address the problem of contour detection via per-pixel classifications of edge point. To facilitate the process, the proposed approach leverages with DenseNet, an efficient implementation of multiscale convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2015-05-13 Jyh-Jing Hwang , Tyng-Luh Liu

Varying density of point clouds increases the difficulty of 3D detection. In this paper, we present a context-aware dynamic network (CADNet) to capture the variance of density by considering both point context and semantic context.…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Yonglin Tian , Lichao Huang , Xuesong Li , Kunfeng Wang , Zilei Wang , Fei-Yue Wang

Phase retrieval in dynamical sampling is a novel research direction, where an unknown signal has to be recovered from the phaseless measurements with respect to a dynamical frame, i.e. a sequence of sampling vectors constructed by the…

数值分析 · 数学 2021-03-19 Robert Beinert , Marzieh Hasannasab

The inability of automated edge detection methods inspired from primal sketch models to accurately calculate object edges under the influence of pixel noise is an open problem. Extending the principles of image perception i.e. Weber-Fechner…

计算机视觉与模式识别 · 计算机科学 2015-02-20 Joshin John Mathew , Alex Pappachen James

In this paper, we revisit the limitations of anchor-based lane detection methods, which have predominantly focused on fixed anchors that stem from the edges of the image, disregarding their versatility and quality. To overcome the…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Lingyu Xiao , Xiang Li , Sen Yang , Wankou Yang

Reconstruction-based methods are widely explored in industrial visual anomaly detection. Such methods commonly require the model to well reconstruct the normal patterns but fail in the anomalies, and thus the anomalies can be detected by…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Tongkun Liu , Bing Li , Zhuo Zhao , Xiao Du , Bingke Jiang , Leqi Geng

Convolutional neural network (CNN) has drawn increasing interest in visual tracking owing to its powerfulness in feature extraction. Most existing CNN-based trackers treat tracking as a classification problem. However, these trackers are…

计算机视觉与模式识别 · 计算机科学 2017-05-02 Heng Fan , Haibin Ling

Extracting geometric edges from unstructured point clouds remains a significant challenge, particularly in thin-walled structures that are commonly found in everyday objects. Traditional geometric methods and recent learning-based…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Zikuan Li , Honghua Chen , Yuecheng Wang , Sibo Wu , Mingqiang Wei , Jun Wang

Local structures of shadow boundaries as well as complex interactions of image regions remain largely unexploited by previous shadow detection approaches. In this paper, we present a novel learning-based framework for shadow region recovery…

计算机视觉与模式识别 · 计算机科学 2015-05-11 Li Shen , Teck Wee Chua , Karianto Leman

Computed Tomography (CT) image reconstruction is crucial for accurate diagnosis and deep learning approaches have demonstrated significant potential in improving reconstruction quality. However, the choice of loss function profoundly…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Yipeng Sun , Yixing Huang , Linda-Sophie Schneider , Mareike Thies , Mingxuan Gu , Siyuan Mei , Siming Bayer , Andreas Maier

Most high-level computer vision tasks rely on low-level image operations as their initial processes. Operations such as edge detection, image enhancement, and super-resolution, provide the foundations for higher level image analysis. In…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Xavier Soria , Yachuan Li , Mohammad Rouhani , Angel D. Sappa