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We propose SAM-Road, an adaptation of the Segment Anything Model (SAM) for extracting large-scale, vectorized road network graphs from satellite imagery. To predict graph geometry, we formulate it as a dense semantic segmentation task,…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Congrui Hetang , Haoru Xue , Cindy Le , Tianwei Yue , Wenping Wang , Yihui He

Self-supervised learning has shown very promising results for monocular depth estimation. Scene structure and local details both are significant clues for high-quality depth estimation. Recent works suffer from the lack of explicit modeling…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Jiaxing Yan , Hong Zhao , Penghui Bu , YuSheng Jin

Recently, the progress of learning-by-synthesis has proposed a training model for synthetic images, which can effectively reduce the cost of human and material resources. However, due to the different distribution of synthetic images…

计算机视觉与模式识别 · 计算机科学 2020-02-17 Yuxiao Yan , Yang Yan , Jinjia Peng , Huibing Wang , Xianping Fu

In many applications, it is important to reconstruct a fluid flow field, or some other high-dimensional state, from limited measurements and limited data. In this work, we propose a shallow neural network-based learning methodology for such…

Single image super-resolution is an effective way to enhance the spatial resolution of remote sensing image, which is crucial for many applications such as target detection and image classification. However, existing methods based on the…

图像与视频处理 · 电气工程与系统科学 2020-11-22 Wenjia Xu , Guangluan Xu , Yang Wang , Xian Sun , Daoyu Lin , Yirong Wu

The task of detecting and classifying damages in sewer pipes offers an important application area for computer vision algorithms. This paper describes a system, which is capable of accomplishing this task solely based on low quality and…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Johannes Künzel , Thomas Werner , Ronja Möller , Peter Eisert , Jan Waschnewski , Ralf Hilpert

Segmentation of retinal vessels from retinal fundus images is the key step in the automatic retinal image analysis. In this paper, we propose a new unsupervised automatic method to segment the retinal vessels from retinal fundus images.…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Renoh Johnson Chalakkal , Waleed Abdulla

Automatic generation of a high-quality video from a single image remains a challenging task despite the recent advances in deep generative models. This paper proposes a method that can create a high-resolution, long-term animation using…

图形学 · 计算机科学 2019-10-17 Yuki Endo , Yoshihiro Kanamori , Shigeru Kuriyama

We address the problem of capturing temporal information for video classification in 2D networks, without increasing their computational cost. Existing approaches focus on modifying the architecture of 2D networks (e.g. by including filters…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Kiyoon Kim , Shreyank N Gowda , Oisin Mac Aodha , Laura Sevilla-Lara

We develop an algorithm for single-image superresolution of remotely sensed data, based on the discrete shearlet transform. The shearlet transform extracts directional features of signals, and is known to provide near-optimally sparse…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Wojciech Czaja , James M. Murphy , Daniel Weinberg

In this article, we improve the deep learning solution for coastline extraction from Synthetic Aperture Radar (SAR) images by proposing a two-stage model involving image classification followed by segmentation. We hypothesize that a single…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Vidhu Arora , Shreyan Gupta , Ananthakrishna Kudupu , Aditya Priyadarshi , Aswathi Mundayatt , Jaya Sreevalsan-Nair

Purpose: The aim of this work is to demonstrate that convolutional neural networks (CNN) can be applied to extremely sparse image libraries by subdivision of the original image datasets. Methods: Image datasets from a conventional digital…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Johan P. Boetker

To alleviate the adverse effect of rain streaks in image processing tasks, CNN-based single image rain removal methods have been recently proposed. However, the performance of these deep learning methods largely relies on the covering range…

图像与视频处理 · 电气工程与系统科学 2020-05-20 Hong Wang , Yichen Wu , Qi Xie , Qian Zhao , Yong Liang , Deyu Meng

Channel charting, an unsupervised learning method that learns a low-dimensional representation from channel information to preserve geometrical property of physical space of user equipments (UEs), has drawn many attentions from both…

信息论 · 计算机科学 2024-04-01 Longhai Zhao , Yunchuan Yang , Qi Xiong , He Wang , Bin Yu , Feifei Sun , Chengjun Sun

Recent advancements in information technology and the widespread use of the Internet have led to easier access to data worldwide. As a result, transmitting data through noisy channels is inevitable. Reducing the size of data and protecting…

Rain streaks can severely degrade the visibility, which causes many current computer vision algorithms fail to work. So it is necessary to remove the rain from images. We propose a novel deep network architecture based on deep convolutional…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Xia Li , Jianlong Wu , Zhouchen Lin , Hong Liu , Hongbin Zha

Semantic segmentation requires methods capable of learning high-level features while dealing with large volume of data. Towards such goal, Convolutional Networks can learn specific and adaptable features based on the data. However, these…

计算机视觉与模式识别 · 计算机科学 2019-10-23 Keiller Nogueira , Mauro Dalla Mura , Jocelyn Chanussot , William R. Schwartz , Jefersson A. dos Santos

Convolutional neural networks (CNNs) have demonstrated their superiority in numerous computer vision tasks, yet their computational cost results prohibitive for many real-time applications such as pedestrian detection which is usually…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Farzin Ghorban , Javier Marín , Yu Su , Alessandro Colombo , Anton Kummert

Accurate and efficient estimation of the high dimensional channels is one of the critical challenges for practical applications of massive multiple-input multiple-output (MIMO). In the context of hybrid analog-digital (HAD) transceivers,…

信息论 · 计算机科学 2022-02-08 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

For semantic segmentation of remote sensing images (RSI), trade-off between representation power and location accuracy is quite important. How to get the trade-off effectively is an open question,where current approaches of utilizing very…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Shuang He , Xia Lu , Jason Gu , Haitong Tang , Qin Yu , Kaiyue Liu , Haozhou Ding , Chunqi Chang , Nizhuan Wang