microarray spot
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2021 ◽  
Vol 192 ◽  
pp. 369-375
Author(s):  
Carmen Costea ◽  
Bogdan Gavrea ◽  
Mihaela Streza ◽  
Bogdan Belean

Author(s):  
Karthik S. A. ◽  
Manjunath S. S.

In cDNA microarray image analysis, classification of pixels as forefront area and the area covered by background is very challenging. In microarray experimentation, identifying forefront area of desired spots is nothing but computation of forefront pixels concentration, area covered by spot and shape of the spots. In this piece of writing, an innovative way for spot partitioning of microarray images using autonomously organizing maps (AOM) method through C-V model has been proposed. Concept of neural networks has been incorpated to train and to test microarray spots.In a trained AOM the comprehensive information arising from the prototypes of created neurons are clearly integrated to decide whether to get smaller or get bigger of contour. During the process of optimization, this is done in an iterative manner. Next using C-V model, inside curve area of trained spot is compared with test spot finally curve fitting is done.The presented model can handle spots with variations in terms of shape and quality of the spots and meanwhile it is robust to the noise. From the review of experimental work, presented approach is accurate over the approaches like C-means by fuzzy, Morphology sectionalization.


2017 ◽  
Vol 31 (7) ◽  
pp. 2311-2327 ◽  
Author(s):  
Juan Carlos Rojas-Thomas ◽  
Marco Mora ◽  
Matilde Santos

Author(s):  
Ong Pauline ◽  
Zarita Zainuddin

Due to microarray experiment imperfection, spots with various artifacts are often found in microarray image. A more rigorous spot recognition approach in ensuring successful image analysis is crucial. In this paper, a novel hybrid algorithm was proposed. A wavelet approach was applied, along with an intensity-based shape detection simultaneously to locate the contour of the microarray spots. The proposed algorithm segmented all the imperfect spots accurately. Performance assessment with the classical methods, i.e., the fixed circle, adaptive circle, adaptive shape and histogram segmentation showed that the proposed hybrid approach outperformed these methods.


2016 ◽  
Vol 11 (12) ◽  
pp. 126-134 ◽  
Author(s):  
A. Hudaib Amjad ◽  
N. Fakhouri Hussam ◽  
Ghnemat Rawan

Langmuir ◽  
2015 ◽  
Vol 31 (41) ◽  
pp. 11370-11377 ◽  
Author(s):  
Dustin T. McCall ◽  
Yi Zhang ◽  
Daniel J. Hook ◽  
Frank V. Bright

2012 ◽  
Vol 84 (21) ◽  
pp. 9379-9387 ◽  
Author(s):  
Archana N. Rao ◽  
Christopher K. Rodesch ◽  
David W. Grainger

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