X-Ray Scatter Correction on Soft Tissue Images for Portable Cone Beam CT

Table 6

HU values of different inserts in Section A of the QRM-ConeBeam phantom.

	FBCT	CBCT without correction		CBCT with scatter correction
	Mean (HU)	Mean (HU)	Different value (HU)	Mean (HU)	Different value (HU)
A1	−165	−269	104	−187	22
A2	−91	−223	132	−112	21
A3	−69	−210	141	−90	21
A4	−45	−195	150	−68	23