From: Testing the portal imager GLAaS algorithm for machine quality assurance
No correction [%] | Flattening filter correction [%] | Flatt.Filter + arm Backscatt. correction [%] | |
---|---|---|---|
-x dir. | -1.9 ± 1.3 [-3.3, -0.1] | -0.2 ± 0.4 [-0.8, +0.3] | -0.2 ± 0.4 [-0.9, +0.3] |
+x dir. | -1.9 ± 1.4 [-3.5, +0.1] | -0.2 ± 0.3 [-0.8, +0.1] | -0.2 ± 0.3 [-0.8, +0.0] |
-y dir. | -1.7 ± 0.7 [-3.2, -0.5] | +0.6 ± 0.7 [-0.6, +1.8] | +0.5 ± 0.7 [-0.6, +1.7] |
+y dir. | -4.2 ± 1.6 [-5.3, -0.3] | -1.8 ± 0.7 [-2.4, -0.3] | -0.2 ± 0.8 [-1.4, +1.2] |