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The morphology features were analysed visually by radiologists based on manually drawn ROIs.
Gibbs et al. [ 35] analysed enhancement and texture features based on manually drawn ROIs in 45 malignant and 34 benign lesions, and found that 'grey-level entropy' and 'homogeneity' were the most important features for lesion differentiation.
Software-assisted 3D measurements are less susceptible to observer induced variations and enable the computation of growth estimates with reproducibility at least 4 5 times better than measurements based on manually drawn diameters.
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Quantitative analyses are based on manually selected ground truth data.
Research in the past was based on manually designed screens with minimal software support.
Each algorithm overestimated MBF compared to MBF based on manually defined blood pool TACs.
Draw the train based on the outlines.
Volumes of interest (VOIs) of organs were manually drawn based on the CT imaging data using PMOD software (Ver. 3.5).
In addition, the approach for phantomless CT-based BMD assessment in the aforementioned and other studies has been mostly based on evaluation of attenuation measurements using manually drawn ROIs.
Based on the guidelines, draw details on the entire figure to complete the drawing part.
UPDATE – Based on a random drawing the winner is Shaun.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com