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Limited by the encoder-decoder architecture, learning-based edge detectors usually have difficulty predicting edge maps that satisfy both correctness and crispness. With the recent success of the diffusion probabilistic model (DPM), we…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Yunfan Ye , Kai Xu , Yuhang Huang , Renjiao Yi , Zhiping Cai

Edge detection is typically viewed as a pixel-level classification problem mainly addressed by discriminative methods. Recently, generative edge detection methods, especially diffusion model based solutions, are initialized in the edge…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Caixia Zhou , Yaping Huang , Mochu Xiang , Jiahui Ren , Haibin Ling , Jing Zhang

Point cloud sampling is a less explored research topic for this data representation. The most commonly used sampling methods are still classical random sampling and farthest point sampling. With the development of neural networks, various…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Chengzhi Wu , Junwei Zheng , Julius Pfrommer , Jürgen Beyerer

Polarimetric synthetic aperture radar (PolSAR) has achieved a prominent position as a remote imaging method. However, PolSAR images are contaminated by speckle noise due to the coherent illumination employed during the data acquisition.…

Edge detection has made significant progress with the help of deep Convolutional Networks (ConvNet). These ConvNet based edge detectors have approached human level performance on standard benchmarks. We provide a systematical study of these…

计算机视觉与模式识别 · 计算机科学 2018-12-05 Yupei Wang , Xin Zhao , Yin Li , Kaiqi Huang

Deep learning has significantly advanced image edge detection (ED), primarily through improved feature extraction. However, most existing ED models apply uniform feature fusion across all pixels, ignoring critical differences between…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Hao Shu

In this paper we present a new methodology for edge detection in digital images. The first originality of the proposed method is to consider image content as a parametric surface. Then, an original parametric local model of this surface…

图像与视频处理 · 电气工程与系统科学 2019-04-24 Rémi Cogranne , Rémi Slysz , Laurence Moreau , Houman Borouchaki

This is a review paper of traditional approaches for edge, corner, and boundary detection methods. There are many real-world applications of edge, corner, and boundary detection methods. For instance, in medical image analysis, edge…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Sai Pavan Tadem

Edge Detection Methods Based on Differential Phase Congruency of Monogenic Image Abstract: Edge detection has been widely used in medical image processing and automatic diagnosis. Some novel edge detection algorithms,based on the monogenic…

经典分析与常微分方程 · 数学 2016-12-19 Yan Yang , Kit Ian Kou , Cuiming Zou

This paper presents an improved edge detection algorithm for facial and remotely sensed images using vector order statistics. The developed algorithm processes colored images directly without been converted to gray scale. A number of the…

计算机视觉与模式识别 · 计算机科学 2015-03-20 B O. Sadiq , S. M. Sani , S. Garba

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, a color edge detection strategy based on collaborative filtering combined with multiscale gradient fusion is proposed. The block-matching and 3D (BM3D) filter are used to enhance the sparse representation in the transform…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Zhuoyue Wang , Yiyi Tao , Danqing Ma , Jiajing Chen

Line segment detection plays a cornerstone role in computer vision tasks. Among numerous detection methods that have been recently proposed, the ones based on edge drawing attract increasing attention owing to their excellent detection…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Xinyu Lin , Yingjie Zhou , Yipeng Liu , Ce Zhu

Used in the paper is an overcomplete piecewise-polynomial image model incorporating sparsity. The paper shows that using such a model, the edges in the image can be resolved robustly with respect to noise. Two variants of the proposed…

最优化与控制 · 数学 2018-10-16 Michaela Novosadová , Pavel Rajmic

This review provides an overview of the literature on the edge detection methods for pattern recognition that inspire from the understanding of human vision. We note that edge detection is one of the most fundamental process within the low…

计算机视觉与模式识别 · 计算机科学 2016-02-16 Alex Pappachen James

Identifying and characterizing flame fronts is the most common task in the computer-assisted analysis of data obtained from imaging techniques such as planar laser-induced fluorescence (PLIF), laser Rayleigh scattering (LRS), or particle…

计算机视觉与模式识别 · 计算机科学 2016-07-22 Rafael Reisenhofer , Johannes Kiefer , Emily J. King

De-noising plays a crucial role in the post-processing of spectra. Machine learning-based methods show good performance in extracting intrinsic information from noisy data, but often require a high-quality training set that is typically…

材料科学 · 物理学 2023-05-16 Dongchen Huang , Junde Liu , Tian Qian , Yi-feng Yang

We propose EasyControlEdge, adapting an image-generation foundation model to edge detection. In real-world edge detection (e.g., floor-plan walls, satellite roads/buildings, and medical organ boundaries), crispness and data efficiency are…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Hiroki Nakamura , Hiroto Iino , Masashi Okada , Tadahiro Taniguchi

Recently, deep Convolutional Neural Networks (CNNs) can achieve human-level performance in edge detection with the rich and abstract edge representation capacities. However, the high performance of CNN based edge detection is achieved with…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Zhuo Su , Wenzhe Liu , Zitong Yu , Dewen Hu , Qing Liao , Qi Tian , Matti Pietikäinen , Li Liu

In recent years, deep learning-based image compression, particularly through generative models, has emerged as a pivotal area of research. Despite significant advancements, challenges such as diminished sharpness and quality in…

图像与视频处理 · 电气工程与系统科学 2024-09-18 Ryugo Morita , Hitoshi Nishimura , Ko Watanabe , Andreas Dengel , Jinjia Zhou