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This paper presents a new method for automatic quantification of ellipse-like cells in images, an important and challenging problem that has been studied by the computer vision community. The proposed method can be described by two main…

Computer Vision and Pattern Recognition · Computer Science 2012-01-17 Wesley Nunes Gonçalves , Odemir Martinez Bruno

The cellular automaton is a widely known model of both reversible and irreversible computations. The family of reversible second-order cellular automata considered in this work is appropriate both for construction of logic gates and…

Cellular Automata and Lattice Gases · Physics 2024-05-10 Alexander Yu. Vlasov

Lane detection is to detect lanes on the road and provide the accurate location and shape of each lane. It severs as one of the key techniques to enable modern assisted and autonomous driving systems. However, several unique properties of…

Computer Vision and Pattern Recognition · Computer Science 2018-07-06 Ze Wang , Weiqiang Ren , Qiang Qiu

In this letter, we present a novel method for automatic extrinsic calibration of high-resolution LiDARs and RGB cameras in targetless environments. Our approach does not require checkerboards but can achieve pixel-level accuracy by aligning…

Robotics · Computer Science 2021-06-28 Chongjian Yuan , Xiyuan Liu , Xiaoping Hong , Fu Zhang

We study the influence of the dimension of cellular automata (CA) for real time language recognition of one-dimensional languages with parallel input. Specifically, we focus on the question of determining whether every language that can be…

Formal Languages and Automata Theory · Computer Science 2016-10-04 Anaël Grandjean , Victor Poupet

To numerically solve a generic elliptic equation on two-dimensional domains with rectangular Cartesian grids, we propose a cut-cell geometric multigrid method that features (1) general algorithmic steps that apply to two-dimensional…

Numerical Analysis · Mathematics 2026-01-19 Jiyu Liu , Zhixuan Li , Jiatu Yan , Zhiqi Li , Qinghai Zhang

Automatic feature extraction domain has witnessed the application of many intelligent methodologies over past decade; however detection accuracy of these approaches were limited as object geometry and contextual knowledge were not given…

Computer Vision and Pattern Recognition · Computer Science 2013-03-28 P. V. Arun , S. K. Katiyar

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

The ability to extrapolate gene expression dynamics in living single cells requires robust cell segmentation, and one of the challenges is the amorphous or irregularly shaped cell boundaries. To address this issue, we modified the U-Net…

Quantitative Methods · Quantitative Biology 2020-01-17 Nanyan Zhu , Chen Liu , Zakary S. Singer , Tal Danino , Andrew F. Laine , Jia Guo

The emergence of complex behaviors in cellular automata is an area that has been widely developed in recent years with the intention to generate and analyze automata that produce space-moving patterns or gliders that interact in a periodic…

The rapid advancement of generative models has led to a growing prevalence of highly realistic AI-generated images, posing significant challenges for digital forensics and content authentication. Conventional detection methods mainly rely…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Dabbrata Das , Mahshar Yahan , Md Tareq Zaman , Md Rishadul Bayesh

License Plate recognition plays an important role on the traffic monitoring and parking management systems. In this paper, a fast and real time method has been proposed which has an appropriate application to find tilt and poor quality…

Computer Vision and Pattern Recognition · Computer Science 2014-07-25 Reza Azad , Hamid Reza Shayegh

This work describes a novel methodology for automatic contour extraction from 2D images of 3D neurons (e.g. camera lucida images and other types of 2D microscopy). Most contour-based shape analysis methods can not be used to characterize…

Computer Vision and Pattern Recognition · Computer Science 2008-10-24 J. J. G. Leandro , R. M. Cesar , L. da F. Costa

Parameter choosing in classical edge detection algorithms can be a costly and complex task. Choosing the correct parameters can improve considerably the resulting edge-map. In this paper we present a version of Edge Drawing algorithm in…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Ciprian Orhei , Muguras Mocofan , Silviu Vert , Radu Vasiu

In computer-aided design (CAD) systems, 2D line drawings are commonly used to illustrate 3D object designs. To reconstruct the 3D models depicted by a single 2D line drawing, an important key is finding the edge loops in the line drawing…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Kehan Wang , Jia Zheng , Zihan Zhou

The goal of anomaly detection is to identify examples that deviate from normal or expected behavior. We tackle this problem for images. We consider a two-phase approach. First, using normal examples, a convolutional autoencoder (CAE) is…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Natasa Sarafijanovic-Djukic , Jesse Davis

While the reversibility of multidimensional cellular automata is undecidable and there exists a criterion for determining if a multidimensional linear cellular automaton is reversible, there are only a few results about the reversibility…

Dynamical Systems · Mathematics 2017-05-24 Chih-Hung Chang , Hasan Akın

Multispectral imaging is very beneficial in diverse applications, like healthcare and agriculture, since it can capture absorption bands of molecules in different spectral areas. A promising approach for multispectral snapshot imaging are…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Frank Sippel , Jürgen Seiler , André Kaup

Lane detection is one of the most important functions for autonomous driving. In recent years, deep learning-based lane detection networks with RGB camera images have shown promising performance. However, camera-based methods are inherently…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Dong-Hee Paek , Kevin Tirta Wijaya , Seung-Hyun Kong

We search for regularities in the sequences of numbers of preimages for elementary cellular automata. For 46 out of 88 "minimal" rules, we find recognizable patterns, usually in the form of second order recurrence equations with constant…

Cellular Automata and Lattice Gases · Physics 2013-05-29 Henryk Fukś