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Transformation of a grid of quadrats to cope with perspective artifacts

Abstract: The direct superimposition of a standard test grid of congruent quadrats onto an image bearing a population of particles exhibiting perspective artifacts, tends to increase the variance of the population size estimator, because the quadrat contents become unbalanced. If the quadrats are transformed according to the same projection mechanism affecting the particles, however, then the variance is restored into moderate values. Our purpose was to provide exact, easily programmable equations for the relevant transform.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Image Anal Stereol 2020;39:47-52

Editorial: International Society for Stereology

 Año de publicación: 2020

Nº de páginas: 6

Tipo de publicación: Artículo de Revista

 DOI: 10.5566/ias.2296

ISSN: 1580-3139,1854-5165

Url de la publicación: https://www.ias-iss.org/ojs/IAS/index