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The ability to detect edges is a fundamental attribute necessary to truly capture visual concepts. In this paper, we prove that edges cannot be represented properly in the first convolutional layer of a neural network, and further show that…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Minh Le , Subhradeep Kayal

Accurate localization of organ boundaries is critical in medical imaging for segmentation, registration, surgical planning, and radiotherapy. While deep convolutional networks (ConvNets) have advanced general-purpose edge detection to…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Aarav Mehta , Priya Deshmukh , Vikram Singh , Siddharth Malhotra , Krishnan Menon Iyer , Tanvi Iyer

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

We present CT-Bound, a robust and fast boundary detection method for very noisy images using a hybrid Convolution and Transformer neural network. The proposed architecture decomposes boundary estimation into two tasks: local detection and…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Wei Xu , Junjie Luo , Qi Guo

Being able to provide latency guarantees for orbital edge computing applications through Low Earth Orbit (LEO) satellite constellations is a major milestone for their integration into 5G and 6G networks. However, achieving this is…

网络与互联网体系结构 · 计算机科学 2026-05-12 Nicolai Dalsgaard Lyholm , Beatriz Soret , Tijana Devaja , Thomas Grundgaard Mulvad , Cedomir Stefanovic , Israel Leyva-Mayorga

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

Efficient use of cultivated areas is a necessary factor for sustainable development of agriculture and ensuring food security. Along with the rapid development of satellite technologies in developed countries, new methods are being searched…

机器学习 · 计算机科学 2025-02-10 Artughrul Gayibov

Removing noise from the any processed images is very important. Noise should be removed in such a way that important information of image should be preserved. A decisionbased nonlinear algorithm for elimination of band lines, drop lines,…

计算机视觉与模式识别 · 计算机科学 2022-04-22 S. K. Satpathy , S. Panda , K. K. Nagwanshi , S. K. Nayak , C. Ardil

Data-driven approaches for edge detection have proven effective and achieve top results on modern benchmarks. However, all current data-driven edge detectors require manual supervision for training in the form of hand-labeled region…

计算机视觉与模式识别 · 计算机科学 2016-04-12 Yin Li , Manohar Paluri , James M. Rehg , Piotr Dollár

Variational data assimilation technique applied to identification of optimal approximations of derivatives near boundary is discussed in frames of one-dimensional wave equation. Simplicity of the equation and of its numerical scheme allows…

数学物理 · 物理学 2015-05-13 Eugene Kazantsev

The image classification problem has been deeply investigated by the research community, with computer vision algorithms and with the help of Neural Networks. The aim of this paper is to build an image classifier for satellite images of…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Jonas Bokstaller , Yihang She , Zhehan Fu , Tommaso Macrì

Supervised statistical classification is a vital tool for satellite image processing. It is useful not only when a discrete result, such as feature extraction or surface type, is required, but also for continuum retrievals by dividing the…

大气与海洋物理 · 物理学 2016-02-05 Peter Mills

Improving the efficiency of edge detection in embedded applications, such as UAV control, is critical for reducing system cost and power dissipation. Field programmable gate arrays (FPGA) are a good platform for making improvements because…

硬件体系结构 · 计算机科学 2015-12-03 Jamie Schiel , Andrew Bainbridge-Smith

In recent years, Convolutional Neural Networks (CNN) have proven to be efficient analysis tools for processing point clouds, e.g., for reconstruction, segmentation and classification. In this paper, we focus on the classification of edges…

We consider a pipeline for image classification or search based on coding approaches like Bag of Words or Fisher vectors. In this context, the most common approach is to extract the image patches regularly in a dense manner on several…

计算机视觉与模式识别 · 计算机科学 2015-04-20 Ahmet Iscen , Giorgos Tolias , Philippe-Henri Gosselin , Hervé Jégou

Edges are a basic and fundamental feature in image processing, that are used directly or indirectly in huge amount of applications. Inspired by the expansion of image resolution and processing power dilated convolution techniques appeared.…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Ciprian Orhei , Victor Bogdan , Cosmin Bonchis

Skyline plays a pivotal role in mountainous visual geo-localization and localization/navigation of planetary rovers/UAVs and virtual/augmented reality applications. We present a novel mountainous skyline detection approach where we adapt a…

计算机视觉与模式识别 · 计算机科学 2021-07-26 Touqeer Ahmad , Ebrahim Emami , Martin Čadík , George Bebis

A new algorithm is developed to jointly recover a temporal sequence of images from noisy and under-sampled Fourier data. Specifically, we consider the case where each data set is missing vital information that prevents its (individual)…

数值分析 · 数学 2022-05-13 Yao Xiao , Jan Glaubitz , Anne Gelb , Guohui Song

Parameter choosing in classical edge detection algorithms can be a costly and complex task. Choosing the correct parameters can improve considerably the resulting edge-map. In this paper we present a version of Edge Drawing algorithm in…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Ciprian Orhei , Muguras Mocofan , Silviu Vert , Radu Vasiu

Computer methods and image processing provide medical doctors assistance at any time and relieve their workload, especially for iterative processes like identifying objects of interest such as lesions and anatomical structures from the…

医学物理 · 物理学 2020-04-27 Meysam Tavakoli , Faraz Kalantari , Alireza Golestaneh