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Automated cDNA Microarray Image Segmentation
Author(s) -
Alan WeeChung Liew,
Hong Yan,
Tuan D. Pham,
Xiaobo Zhou
Publication year - 2007
Publication title -
aip conference proceedings
Language(s) - English
Resource type - Conference proceedings
SCImago Journal Rank - 0.177
H-Index - 75
eISSN - 1551-7616
pISSN - 0094-243X
DOI - 10.1063/1.2816637
Subject(s) - thresholding , computer science , complementary dna , image segmentation , microarray , segmentation , artificial intelligence , pattern recognition (psychology) , microarray databases , dna microarray , gene chip analysis , microarray analysis techniques , image (mathematics) , computer vision , gene , biology , gene expression , genetics
cDNA microarray technology enables whole genome study of gene expressions by measuring the differential expression of genes in microarray images. An important first step in analyzing microarray image is the accurate delineation of the cDNA spots in the image. We report here a fully automated spot segmentation algorithm for cDNA microarray images. The algorithm makes use of morphological operations, adaptive multi-level thresholding, and statistical intensity modeling to perform automatic grid addressing and spot segmentation. Our algorithm is robust for even poor quality cDNA microarray images.Griffith Sciences, School of Information and Communication TechnologyFull Tex

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