Introduction

The purpose of this work is to perform shading correction on the CBCT images for its quantitative application in radiotherapy.

Phantom Result

Fig 2. Shading correction results on the anthropomorphic pelvis phantom. The images in the top, middle and bottom row show an axial, coronal and sagittal view, respectively.

Fig 3. 1-D profiles taken from the location of dashed line in Fig.2 for pCT_r, uncorrected CBCT and corrected CBCT.

Patient Result

Fig 4. Shading correction results for two Pelvis and two Throax patient.

Reference

1. Linxi Shi, Tiffany Tsui, Jikun Wei, Lei Zhu. “Fast shading correction for cone beam CT in radiation therapy via sparse sampling on planning CT.” Med Phys, 2017. [LINK]

Code:

click to download

Note: If you have any questions about the codes or want to modify the codes for tailored purposes. Please contact me via: slxlbf@gmail.com for discussion.