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Adaptive parameter selection for graph-cut based segmentation on cell imagesOyebode, Kazeem O. ; Tapamo, Jules R.Graph cut segmentation approach provides a platform for segmenting images in a globally optimised fashion. The graph cut energy function includes a parameter that adjusts its data term and smoothness ... term relative to each other. However, one of the key challenges in graph cut segmentation is finding a suitable parameter value that suits a given segmentation. A suitable parameter value is desirable in order to avoid image over- segmentation or under-segmentation. To address the problem of trial and error in manual parameter selection, we propose an intuitive and adaptive parameter selection for cell segmentation using graph cut. The greyscale image of the cell is logarithmically transformed to shrink the dynamic range of foreground pixels in order to extract the boundaries of cells. The extracted cell boundary dynamically adjusts and contextualises the parameter value of the graph cut, countering its shrink bias. Experiments suggest that the proposed model outperforms previous cell segmentation approaches.Vir: Image analysis & stereology : official journal of the International Society for Stereology. - ISSN 1580-3139 (Vol. 35, no. 1, Mar. 2016, str. 29-37, V)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2016Jezik - angleškiCOBISS.SI-ID - 32805593
Avtor
Oyebode, Kazeem O. |
Tapamo, Jules R.
Teme
analiza slik |
celice |
segmentacija |
energijska funkcija |
prerez grafa |
parametri |
image analysis |
cells |
segmentation |
energy function |
graph cut |
parameters
vir: Image analysis & stereology : official journal of the International Society for Stereology. - ISSN 1580-3139 (Vol. 35, no. 1, Mar. 2016, str. 29-37, V)
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Oyebode, Kazeem O. | |
Tapamo, Jules R. |
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