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Related papers: Aligned Anchor Groups Guided Line Segment Detector

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In this paper, we introduces a new type of line-shaped image representation, named semantic line segment (Sem-LS) and focus on solving its detection problem. Sem-LS contains high-level semantics and is a compact scene representation where…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Yi Sun , Xushen Han , Kai Sun , Boren Li , Yongjiang Chen , Mingyang Li

Recently, semantic segmentation and general object detection frameworks have been widely adopted by scene text detecting tasks. However, both of them alone have obvious shortcomings in practice. In this paper, we propose a novel end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Yuan Li , Yuanjie Yu , Zefeng Li , Yangkun Lin , Meifang Xu , Jiwei Li , Xi Zhou

Line segmentation from handwritten text images is one of the challenging task due to diversity and unknown variations as undefined spaces, styles, orientations, stroke heights, overlapping, and alignments. Though abundant researches, there…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Nidhi Gupta , Wenju Liu

Compared to feature point detection and description, detecting and matching line segments offer additional challenges. Yet, line features represent a promising complement to points for multi-view tasks. Lines are indeed well-defined by the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Rémi Pautrat , Juan-Ting Lin , Viktor Larsson , Martin R. Oswald , Marc Pollefeys

Recently, stereo vision based on lightweight RGBD cameras has been widely used in various fields. However, limited by the imaging principles, the commonly used RGB-D cameras based on TOF, structured light, or binocular vision acquire some…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Dongyue Chen , Tingxuan Huang , Zhimin Song , Shizhuo Deng , Tong Jia

Camouflaged object detection (COD) aims to segment objects visually embedded in their surroundings, which is a very challenging task due to the high similarity between the objects and the background. To address it, most methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Zhennan Chen , Xuying Zhang , Tian-Zhu Xiang , Ying Tai

In this paper we present a method for line segment detection in images, based on a semi-supervised framework. Leveraging the use of a consistency loss based on differently augmented and perturbed unlabeled images with a small amount of…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Johanna Engman , Karl Åström , Magnus Oskarsson

Image manipulation detection is to identify the authenticity of each pixel in images. One typical approach to uncover manipulation traces is to model image correlations. The previous methods commonly adopt the grids, which are fixed-size…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xudong Wang , Jiaran Zhou , Huiyu Zhou , Junyu Dong , Yuezun Li

Making line segment detectors more reliable under motion blurs is one of the most important challenges for practical applications, such as visual SLAM and 3D reconstruction. Existing line segment detection methods face severe performance…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Huai Yu , Hao Li , Wen Yang , Lei Yu , Gui-Song Xia

Graph anomaly detection (GAD) has achieved success and has been widely applied in various domains, such as fraud detection, cybersecurity, finance security, and biochemistry. However, existing graph anomaly detection algorithms focus on…

Machine Learning · Computer Science 2023-08-03 Xing Ai , Jialong Zhou , Yulin Zhu , Gaolei Li , Tomasz P. Michalak , Xiapu Luo , Kai Zhou

In this paper, we present a GNN-based Line Segment Parser (GLSP), which uses a junction heatmap to predict line segments' endpoints, and graph neural networks to extract line segments and their categories. Different from previous floor plan…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Mingxiang Chen , Cihui Pan

An image line segment is a fundamental low-level visual feature that delineates straight, slender, and uninterrupted portions of objects and scenarios within images. Detection and description of line segments lay the basis for numerous…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xinyu Lin , Yingjie Zhou , Yipeng Liu , Ce Zhu

We aim to detect all instances of a category in an image and, for each instance, mark the pixels that belong to it. We call this task Simultaneous Detection and Segmentation (SDS). Unlike classical bounding box detection, SDS requires a…

Computer Vision and Pattern Recognition · Computer Science 2014-07-08 Bharath Hariharan , Pablo Arbeláez , Ross Girshick , Jitendra Malik

Visual perception plays a pivotal role in enabling autonomous behavior, offering a cost-effective and efficient alternative to complex multi-sensor systems. However, robust segmentation remains a challenge in complex scenarios. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Hewen Xiao , Jie Mei , Guangfu Ma , Weiren Wu

In this paper, we present a real-time approach to predict multiple grasping poses for a parallel-plate robotic gripper using RGB images. A model with oriented anchor box mechanism is proposed and a new matching strategy is used during the…

Robotics · Computer Science 2018-03-07 Xinwen Zhou , Xuguang Lan , Hanbo Zhang , Zhiqiang Tian , Yang Zhang , Nanning Zheng

Line matching plays an essential role in structure from motion (SFM) and simultaneous localization and mapping (SLAM), especially in low-textured and repetitive scenes. In this paper, we present a new method of using a graph convolution…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 QuanMeng Ma , Guang Jiang , DianZhi Lai

Topological alignments and snakes are used in image processing, particularly in locating object boundaries. Both of them have their own advantages and limitations. To improve the overall image boundary detection system, we focused on…

Computer Vision and Pattern Recognition · Computer Science 2011-06-03 Ashraf A. Aly , Safaai Bin Deris , Nazar Zaki

Aggregating features in terms of different convolutional blocks or contextual embeddings has been proven to be an effective way to strengthen feature representations for semantic segmentation. However, most of the current popular network…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Zilong Huang , Yunchao Wei , Xinggang Wang , Wenyu Liu , Thomas S. Huang , Humphrey Shi

Classical Transformer-based line segment detection methods have delivered impressive results. However, we observe that some accurately detected line segments are assigned low confidence scores during prediction, causing them to be ranked…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Xin Tong , Shi Peng , Baojie Tian , Yufei Guo , Xuhui Huang , Zhe Ma

Nowadays, hand gesture recognition has become an alternative for human-machine interaction. It has covered a large area of applications like 3D game technology, sign language interpreting, VR (virtual reality) environment, and robotics. But…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Abir Sen , Tapas Kumar Mishra , Ratnakar Dash