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Video smoke detection is a promising fire detection method especially in open or large spaces and outdoor environments. Traditional video smoke detection methods usually consist of candidate region extraction and classification, but lack…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Gao Xu , Yongming Zhang , Qixing Zhang , Gaohua Lin , Zhong Wang , Yang Jia , Jinjun Wang

The ocean front has an important impact in many areas, it is meaningful to obtain accurate ocean front positioning, therefore, ocean front detection is a very important task. However, the traditional edge detection algorithm does not detect…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Qingyang Li , Guoqiang Zhong , Cui Xie

Risk assessment is relevant in any workplace, however there is a degree of unpredictability when dealing with flammable or hazardous materials so that detection of fire accidents by itself may not be enough. An example of this is the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Carmina Pérez-Guerrero , Adriana Palacios , Gilberto Ochoa-Ruiz , Christian Mata , Miguel Gonzalez-Mendoza , Luis Eduardo Falcón-Morales

This paper presents a model-driven approach to detect image line segments. The approach incrementally detects segments on the gradient image using a linear Kalman filter that estimates the supporting line parameters and their associated…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Berger Cyrille , Lacroix Simon

Edge detection is widely and fundamental feature used in various algorithms in computer vision to determine the edges in an image. The edge detection algorithm is used to determine the edges in an image which are further used by various…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Victor Bogdan , Cosmin Bonchiş , Ciprian Orhei

This paper presents an edge detection method based on global and local parameters of the image, which produces satisfactory results on the edge detection of complex images and has a simple structure for execution. The local and global…

Computer Vision and Pattern Recognition · Computer Science 2015-04-24 Andrew F. C. Brustolin

Image segmentation is a crucial step in a wide range of method image processing systems. It is useful in visualization of the different objects present in the image. In spite of the several methods available in the literature, image…

Computer Vision and Pattern Recognition · Computer Science 2013-07-18 I. Laurence Aroquiaraj , K. Thangavel

Various physics observables can be determined from the localisation of distinct edge-like features in distributions of measurement values. In this paper, we address the observation that neither differentiating nor fitting the measured…

High Energy Physics - Experiment · Physics 2021-07-14 Mikael Berggren , Stefano Caiazza , Madalina Chera , Jenny List

Edge detection is one of the most critical tasks in automatic image analysis. There exists no universal edge detection method which works well under all conditions. This paper shows the new approach based on the one of the most efficient…

Computer Vision and Pattern Recognition · Computer Science 2012-11-13 Mohamed A. El-Sayed

In this paper, we present an image separation method for separating images into point- and curvelike parts by employing a combined dictionary consisting of wavelets and compactly supported shearlets utilizing the fact that they sparsely…

Numerical Analysis · Mathematics 2011-06-13 Gitta Kutyniok , Wang-Q Lim

Skin cancer is a highly dangerous type of cancer that requires an accurate diagnosis from experienced physicians. To help physicians diagnose skin cancer more efficiently, a computer-aided diagnosis (CAD) system can be very helpful. In this…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Ayush Roy , Sujan Sarkar , Sohom Ghosal , Dmitrii Kaplun , Asya Lyanova , Ram Sarkar

As a consequence of global warming and climate change, the risk and extent of wildfires have been increasing in many areas worldwide. Warmer temperatures and drier conditions can cause quickly spreading fires and make them harder to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Ozer Can Devecioglu , Mete Ahishali , Fahad Sohrab , Turker Ince , Moncef Gabbouj

In this paper we propose an algorithm for the detection of edges in images that is based on topological asymptotic analysis. Motivated from the Mumford--Shah functional, we consider a variational functional that penalizes oscillations…

Numerical Analysis · Mathematics 2013-06-12 E. Beretta , M. Grasmair , M. Muszkieta , O. Scherzer

Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc. Several approaches have been made in the direction of face detection. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-14 Anjith George , Anirban Dasgupta , Aurobinda Routray

Lung cancer stands as the preeminent cause of cancer-related mortality globally. Prompt and precise diagnosis, coupled with effective treatment, is imperative to reduce the fatality rates associated with this formidable disease. This study…

Image and Video Processing · Electrical Eng. & Systems 2024-08-29 Bitasadat Jamshidi , Nastaran Ghorbani , Mohsen Rostamy-Malkhalifeh

The existing methods for detection of the cloud scenes are applied at relatively small spectral range within shortwave upwelling radiative wavelength flux. We have reported a new method for detection of the cloud scenes based on the…

Atmospheric and Oceanic Physics · Physics 2022-10-10 Rehan Siddiqui , Rajinder K. Jagpal , Sanjar M. Abrarov , Brendan M. Quine

The increasing frequency and severity of wildfires highlight the need for accurate fire and plume spread models. We introduce an approach that effectively isolates and tracks fire and plume behavior across various spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Daryn Sagel , Bryan Quaife

Waveform sampling systems are used pervasively in the design of front end electronics for radiation detection. The introduction of new feature extraction algorithms (eg. neural networks) to waveform sampling has the great potential to…

Data Analysis, Statistics and Probability · Physics 2021-09-23 Pengcheng Ai , Zhi Deng , Yi Wang , Linmao Li

This paper proposes a novel feature called spectrum congruency for describing edges in images. The spectrum congruency is a generalization of the phase congruency, which depicts how much each Fourier components of the image are congruent in…

Image and Video Processing · Electrical Eng. & Systems 2021-03-11 Fang Yang , Xin Su , Li Chai

Fire is one of the common disasters in daily life. To achieve fast and accurate detection of fires, this paper proposes a detection network called FSDNet (Fire Smoke Detection Network), which consists of a feature extraction module, a fire…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Li Zhu , Jiahui Xiong , Wenxian Wu , Hongyu Yu