Many Is Better Than One: An Integration of Multiple Simple Strategies for Accurate Lung Segmentation in CT Images

<div>Comparison of CT image smoothing using the guided filter against other filtering methods. (a) Input CT image. (b) Smoothed CT image by Gaussian filter. (c) Smoothed CT image by mean filter. (d) Smoothed CT image by guided filter.</div>

BioMed Research International

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Figure 2

Figure 2: Many Is Better Than One: An Integration of Multiple Simple Strategies for Accurate Lung Segmentation in CT Images 