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dc.contributor.authorChoudhari, K.S.
dc.contributor.authorJidesh, P.
dc.contributor.authorSudheendra, P.
dc.contributor.authorKulkarni, S.D.
dc.identifier.citationMicroscopy and Microanalysis, 2013, Vol.19, 4, pp.1061-1072en_US
dc.description.abstractA new mathematical algorithm is reported for the accurate and efficient analysis of pore properties of nanoporous anodic alumina (NAA) membranes using scanning electron microscope (SEM) images. NAA membranes of the desired pore size were fabricated using a two-step anodic oxidation process. Surface morphology of the NAA membranes with different pore properties was studied using SEM images along with computerized image processing and analysis. The main objective was to analyze the SEM images of NAA membranes quantitatively, systematically, and quickly. The method uses a regularized shock filter for contrast enhancement, mathematical morphological operators, and a segmentation process for efficient determination of pore properties. The algorithm is executed using MATLAB, which generates a statistical report on the morphology of NAA membrane surfaces and performs accurate quantification of the parameters such as average pore-size distribution, porous area fraction, and average interpore distances. A good comparison between the pore property measurements was obtained using our algorithm and ImageJ software. This algorithm, with little manual intervention, is useful for optimizing the experimental process parameters during the fabrication of such nanostructures. Further, the algorithm is capable of analyzing SEM images of similar or asymmetrically porous nanostructures where sample and background have distinguishable contrast. Copyright � Microscopy Society of America 2013.en_US
dc.titleQuantification and morphology studies of nanoporous alumina membranes: A new algorithm for digital image processingen_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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