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Figure 8 | BMC Medical Informatics and Decision Making

Figure 8

From: Automated ventricular systems segmentation in brain CT images by combining low-level segmentation and high-level template matching

Figure 8

Detection of lower falx cerebri. (a) The lower part of CT image. (b) The lower part without skull. (c) Valley filling using median value. (d) Edge map after edge detection of zero crossing. (e) Edge map masked using intensity threshold on gray scale image. (f) Edge masked using gradient threshold on gray scale image. (g) Edge map after deleting small connected object. (h) Edge map after deleting sparse points part. (i) Hough Transform result on edge map.

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