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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…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Yupei Wang , Xin Zhao , Yin Li , Kaiqi Huang

Recent methods for boundary or edge detection built on Deep Convolutional Neural Networks (CNNs) typically suffer from the issue of predicted edges being thick and need post-processing to obtain crisp boundaries. Highly imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Ruoxi Deng , Chunhua Shen , Shengjun Liu , Huibing Wang , Xinru Liu

Edge detection is a fundamental problem in different computer vision tasks. Recently, edge detection algorithms achieve satisfying improvement built upon deep learning. Although most of them report favorable evaluation scores, they often…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Luyan Liu , Kai Ma , Yefeng Zheng

In this work we show that adapting Deep Convolutional Neural Network training to the task of boundary detection can result in substantial improvements over the current state-of-the-art in boundary detection. Our contributions consist…

Computer Vision and Pattern Recognition · Computer Science 2016-01-25 Iasonas Kokkinos

In material science, image segmentation is of great significance for quantitative analysis of microstructures. Here, we propose a novel Weighted Propagation Convolution Neural Network based on U-Net (WPU-Net) to detect boundary in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Wei Liu , Jiahao Chen , Chuni Liu , Xiaojuan Ban , Boyuan Ma , Hao Wang , Weihua Xue , Yu Guo

Motion boundary detection is a crucial yet challenging problem. Prior methods focus on analyzing the gradients and distributions of optical flow fields, or use hand-crafted features for motion boundary learning. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Xiaoqing Yin , Xiyang Dai , Xinchao Wang , Maojun Zhang , Dacheng Tao , Larry Davis

In this paper, we target refining the boundaries in high resolution images given low resolution masks. For memory and computation efficiency, we propose to convert the regions of interest into strip images and compute a boundary prediction…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Peng Zhou , Brian Price , Scott Cohen , Gregg Wilensky , Larry S. Davis

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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Aarav Mehta , Priya Deshmukh , Vikram Singh , Siddharth Malhotra , Krishnan Menon Iyer , Tanvi Iyer

A ResNet-based multi-path refinement CNN is used for object contour detection. For this task, we prioritise the effective utilization of the high-level abstraction capability of a ResNet, which leads to state-of-the-art results for edge…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Andre Peter Kelm , Vijesh Soorya Rao , Udo Zoelzer

In this paper, we present a novel approach for contour detection with Convolutional Neural Networks. A multi-scale CNN learning framework is designed to automatically learn the most relevant features for contour patch detection. Our method…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Teck Wee Chua , Li Shen

The optimization foundations of deep linear networks have recently received significant attention. However, due to their inherent non-convexity and hierarchical structure, analyzing the loss functions of deep linear networks remains a…

Optimization and Control · Mathematics 2025-09-24 Po Chen , Rujun Jiang , Peng Wang

Defect detection is a basic and essential task in automatic parts production, especially for automotive engine precision parts. In this paper, we propose a new idea to construct a deep convolutional network combining related knowledge of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Zhenshen Qu , Jianxiong Shen , Ruikun Li , Junyu Liu , Qiuyu Guan

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…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Chenming Zhu , Xuanye Zhang , Yanran Li , Liangdong Qiu , Kai Han , Xiaoguang Han

This paper considers the problem of single image depth estimation. The employment of convolutional neural networks (CNNs) has recently brought about significant advancements in the research of this problem. However, most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Junjie Hu , Mete Ozay , Yan Zhang , Takayuki Okatani

Boundary detection of irregular and translucent objects is an important problem with applications in medical imaging, environmental monitoring and manufacturing, where many of these applications are plagued with scarce labeled data and low…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Fei Yu Guan , Ian Keefe , Sophie Wilkinson , Daniel D. B. Perrakis , Steven Waslander

The core challenge in Camouflage Object Detection (COD) lies in the indistinguishable similarity between targets and backgrounds in terms of color, texture, and shape. This causes existing methods to either lose edge details (such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Jianlin Sun , Xiaolin Fang , Juwei Guan , Dongdong Gui , Teqi Wang , Tongxin Zhu

Deep neural networks demonstrate to have a high performance on image classification tasks while being more difficult to train. Due to the complexity and vanishing gradient problem, it normally takes a lot of time and more computational…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Mohammad Sadegh Ebrahimi , Hossein Karkeh Abadi

Edge detection is a fundamental task in computer vision. It has made great progress under the development of deep convolutional neural networks (DCNNs), some of which have achieved a beyond human-level performance. However, recent…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Changsong Liu , Yimeng Fan , Mingyang Li , Wei Zhang , Yanyan Liu , Yuming Li , Wenlin Li , Liang Zhang

Deep convolutional neural networks have become a key element in the recent breakthrough of salient object detection. However, existing CNN-based methods are based on either patch-wise (region-wise) training and inference or fully…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Guanbin Li , Yizhou Yu

Salient object detection has recently witnessed substantial progress due to powerful features extracted using deep convolutional neural networks (CNNs). However, existing CNN-based methods operate at the patch level instead of the pixel…

Computer Vision and Pattern Recognition · Computer Science 2016-03-08 Guanbin Li , Yizhou Yu
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