首页|RECOGNIZE AND CLASSIFY FISH OOCYTES IN HISTOLOGICAL IMAGES

RECOGNIZE AND CLASSIFY FISH OOCYTES IN HISTOLOGICAL IMAGES

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The study of biology and population dynamics of fish species requires the estimation of fecundity in individual fish in many fisheries laboratories。 The traditional procedure used by fisheries research is to count manually the oocytes on a subsample of known weight of the ovary, and to measure a few oocytes under a binocular microscope。 This process can be done on a computer using an interactive tool to count and measure oocytes。 In both cases, the task is very time consuming, which implies that fecundity studies are rarely conducted routinely。We attempt to design a computer vision system which is able to recognize and classify the oocytes in a histolog-ical image。 The boundary of oocytes is detected using an algorithm based on edge information。 Afterwards, oocytes are classified in cells with and without nucleus。 A statistical evaluation of both stages reveals correct detection and classification of 65% when a 80% of overlap is demanded。

image analysisclassificationsegmentationfish oocytesfecundityhistological images

E. Cernadas、P. Carrion、A. Formella、R. Dominguez、F. Saborido-Rey

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Dpto. de Electronica e Computation Campus Sur s/n 15782 Santiago de Compostela A Coruna (Spain)

Dpto de Informatica, E.S.E.I. Universidade de Vigo Campus Universitario As Lagoas s/n 32004 Ourense (Spain)

Instituto de Investigations Marinas CSIC, Vigo (Spain)

IASTED international conference on visualization, imaging, and image processing;VIIP 2008

Palma de Mallorca(ES);Palma de Mallorca(ES)

Visualization, imaging, and image processing

180-186

2008