Automatic Lung Segmentation Based on Texture and Deep Features of HRCT Images with Interstitial Lung Disease

Figure 3

Example of GLCM. (a) The matrix of input image with 5 grayscales. Different distances and orientations such as (b) , (c) , (d) , and (e) . NGLCM calculation: ()-(b), ()-(c), ()-(d), ()-(e).