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Accurate detection and localization of X-corner on both planar and non-planar patterns is a core step in robotics and machine vision. However, previous works could not make a good balance between accuracy and robustness, which are both…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Ben Chen , Caihua Xiong , Quanlin Li , Zhonghua Wan

In this paper, we present a fast switching filter for impulsive noise removal from color images. The filter exploits the HSL color space, and is based on the peer group concept, which allows for the fast detection of noise in a neighborhood…

Computer Vision and Pattern Recognition · Computer Science 2010-09-07 M. Emre Celebi , Hassan A. Kingravi , Bakhtiyar Uddin , Y. Alp Aslandogan

A novel approach is proposed for monocular obstacle detection, which relies on self-supervised learning to discriminate everything above the horizon line from everything below. Obstacles on the path of a robot that keeps moving at the same…

Robotics · Computer Science 2018-06-22 Guido de Croon , Christophe De Wagter

Coastal water segmentation from satellite imagery presents unique challenges due to complex spectral characteristics and irregular boundary patterns. Traditional RGB-based approaches often suffer from training instability and poor…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Zhen Tian , Christos Anagnostopoulos , Qiyuan Wang , Zhiwei Gao

Shot boundary detection (SBD) is an important component of many video analysis tasks, such as action recognition, video indexing, summarization and editing. Previous work typically used a combination of low-level features like color…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Michael Gygli

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…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 B O. Sadiq , S. M. Sani , S. Garba

Recent advances in video super-resolution have shown that convolutional neural networks combined with motion compensation are able to merge information from multiple low-resolution (LR) frames to generate high-quality images. Current…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Mehdi S. M. Sajjadi , Raviteja Vemulapalli , Matthew Brown

Edge detection is crucial in medical image processing, enabling precise extraction of structural information to support lesion identification and image analysis. Traditional edge detection models typically rely on complex Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Fuzhang Li , Chuan Lin

Several supervised networks exist that remove haze information from underwater images using paired datasets and pixel-wise loss functions. However, training these networks requires large amounts of paired data which is cumbersome, complex…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Praveen Kandula , A. N. Rajagopalan

Scene recognition, particularly for aerial and underwater images, often suffers from various types of degradation, such as blurring or overexposure. Previous works that focus on convolutional neural networks have been shown to be able to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Jianqi Zhang , Mengxuan Wang , Jingyao Wang , Lingyu Si , Changwen Zheng , Fanjiang Xu

There have been intensive research interests in ship detection and segmentation due to high demands on a wide range of civil applications in the last two decades. However, existing approaches, which are mainly based on statistical…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Alexander Kadyrov , Hui Yu , Honghai Liu

In this paper a comparative study between Moravec and Harris Corner Detection has been done for obtaining features required to track and recognize objects within a noisy image. Corner detection of noisy images is a challenging task in image…

Computer Vision and Pattern Recognition · Computer Science 2012-09-10 Nilanjan Dey , Pradipti Nandi , Nilanjana Barman , Debolina Das , Subhabrata Chakraborty

Event cameras are innovative neuromorphic sensors that asynchronously capture the scene dynamics. Due to the event-triggering mechanism, such cameras record event streams with much shorter response latency and higher intensity sensitivity…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Yunhao Zou , Ying Fu , Tsuyoshi Takatani , Yinqiang Zheng

Sea-land segmentation is an important process for many key applications in remote sensing. Proper operative sea-land segmentation for remote sensing images remains a challenging issue due to complex and diverse transition between sea and…

Image and Video Processing · Electrical Eng. & Systems 2020-03-18 Pourya Shamsolmoali , Masoumeh Zareapoor , Ruili Wang , Huiyu Zhou , Jie Yang

In this work, we propose a purely geometrical approach for the robust matching of line segments for challenging stereo streams with severe illumination changes or High Dynamic Range (HDR) environments. To that purpose, we exploit the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Ruben Gomez-Ojeda , Javier Gonzalez-Jimenez

In this paper, we propose an accurate edge detector using richer convolutional features (RCF). Since objects in nature images have various scales and aspect ratios, the automatically learned rich hierarchical representations by CNNs are…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Yun Liu , Ming-Ming Cheng , Xiaowei Hu , Kai Wang , Xiang Bai

Multi-frame infrared small target (MIRST) detection in satellite videos is a long-standing, fundamental yet challenging task for decades, and the challenges can be summarized as: First, extremely small target size, highly complex clutters &…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Xinyi Ying , Li Liu , Zaipin Lin , Yangsi Shi , Yingqian Wang , Ruojing Li , Xu Cao , Boyang Li , Shilin Zhou , Wei An

Modern methods mainly regard lane detection as a problem of pixel-wise segmentation, which is struggling to address the problems of efficiency and challenging scenarios like severe occlusions and extreme lighting conditions. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Zequn Qin , Pengyi Zhang , Xi Li

A finite horizon variant of the quickest change detection problem is studied, in which the goal is to minimize a delay threshold (latency), under constraints on the probability of false alarm and the probability that the latency is…

Data Structures and Algorithms · Computer Science 2024-09-20 Yu-Han Huang , Venugopal V. Veeravalli

In video surveillance as well as automotive applications, so-called fisheye cameras are often employed to capture a very wide angle of view. As such cameras depend on projections quite different from the classical perspective projection,…

Image and Video Processing · Electrical Eng. & Systems 2022-12-01 Andrea Eichenseer , André Kaup