Results 51 to 60 of about 2,287,461 (261)

Similarity Analysis between Contour Lines by Remotely Piloted Aircraft and Topography Using Hausdorff Distance: Application on Contour Planting

open access: yesRemote Sensing, 2022
Contour planting minimizes soil degradation, making agricultural production more sustainable. Currently, geotechnologies can provide more precise and fast data from relief than rudimentary data acquisition for agricultural management. Thus, the objective
Alexandre Araujo Ribeiro Freire   +5 more
doaj   +1 more source

Color-Based Image Retrieval Using Perceptually Modified Hausdorff Distance

open access: yesEURASIP Journal on Image and Video Processing, 2008
In most content-based image retrieval systems, the color information is extensively used for its simplicity and generality. Due to its compactness in characterizing the global information, a uniform quantization of colors, or a histogram, has been the ...
Park BoGun, Lee KyoungMu, Lee SangUk
doaj   +2 more sources

Some properties of the Blumberg's hyper-log-logistic curve

open access: yesBiomath, 2018
The paper considers the sigmoid function definedthrough the hyper-log-logistic model introduced by Blumberg. We study the Hausdorff distance of this sigmoid to the Heaviside function, which characterises the shape of switching from 0 to 1.
Roumen Anguelov   +2 more
doaj   +1 more source

On the regularity of the Hausdorff distance between spectra of perturbed magnetic Hamiltonians

open access: yes, 2012
We study the regularity properties of the Hausdorff distance between spectra of continuous Harper-like operators. As a special case we obtain H\"{o}lder continuity of this Hausdorff distance with respect to the intensity of the magnetic field for a large
B Helffer   +21 more
core   +1 more source

On the relationship between the Hausdorff distance and matrix distances of ellipsoids

open access: yesLinear Algebra and its Applications, 1983
AbstractThe space of ellipsoids may be metrized by the Hausdorff distance or by the sum of the distance between their centers and a distance between matrices. Various inequalities between metrics are established. It follows that the square root of positive semidefinite symmetric matrices satisfies a Lipschitz condition, with a constant which depends ...
Jean-Louis Goffin, Alan J. Hoffman
openaire   +3 more sources

Real-time image matching for navigation system based on genetic algorithm

open access: yesTongxin xuebao, 2008
In order to meet requirement that scene matching aided navigation system must get aircraft position error real-timely, an image matching algorithm based on genetic algorithm and weighted Hausdorff distance was proposed.
LENG Xue-fei1, LIU Jian-ye2, XIONG Zhi2
doaj   +2 more sources

Almost periodic functions on Hausdorff almost periodic time scales

open access: yesAdvances in Difference Equations, 2017
This paper is devoted to generalizing the notion of almost periodic functions on time scales. We introduce a new class of almost periodic time scales called Hausdorff almost periodic time scales by using the Hausdorff distance and propose a more general ...
Desheng Ji, Liu Yang, Jimin Zhang
doaj   +1 more source

Cost Estimation for Voltage Sag Control Based on Multidimensional Characteristics and Hausdorff Distance

open access: yesZhongguo dianli, 2021
Voltage sag control is non-standardized. Due to the lack of user-side details, it is hard to estimate the control capacity, which frequently causes excessive or inadequate sag controls.
Chengyu LU   +4 more
doaj   +1 more source

Spanners under the Hausdorff and Fréchet distances [PDF]

open access: greenInformation Processing Letters
We initiate the study of spanners under the Hausdorff and Fréchet distances. We show that any $t$-spanner of a planar point-set $S$ is a $\frac{\sqrt{t^2-1}}{2}$-Hausdorff-spanner and a $\min\{\frac{t}{2},\frac{\sqrt{t^2-t}}{\sqrt{2}}\}$-Fréchet spanner.
Tsuri Farhana, Matthew J. Katz
openalex   +3 more sources

Automated Segmentation of the Pituitary and Pineal Glands. [PDF]

open access: yesHum Brain Mapp
This work presents a deep‐learning‐based tool for automatic segmentation of the pituitary and pineal glands. It has two novel aspects: it considers the anterior and posterior lobes as separate labels rather than a single, combined structure, and it is also the first deep‐learning protocol for pineal gland segmentation. ABSTRACT The pituitary and pineal
Larson KE   +6 more
europepmc   +2 more sources

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