Adhesion Pulmonary Nodules Detection Based on Dot-Filter and Extracting Centerline Algorithm

Figure 4

Detection of the solitary nodules in a 2D CT image enhanced by dot-Filter. (a) original lung image; (b) lung segment extraction; (c) the right lung segment; (d) lung CT image smoothed by Gauss function; (e) detection of the solitary nodules; (f) lung CT image without nodules; (g) pulmonary segment extracted; (h) smoothed by Gauss function; (i) enhanced by dot-filter.

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