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156
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5.3.
Noise evaluation
5.3.1.
Noise standards
Parameter
ROI 1
ROI 2
ROI 3
Remark
Noise(Dev)
40 or less
30 or less
-
5.3.2.
Phantom Specification
QUART Phantom
QUART - Ball Phantom
5.3.3.
Test Method
1. Run the Console Software and click the PANO button to go into PANO mode.
2. Choose the PANO Phantom mode, and click the Confirm button.
3. Attach PANO BALL P Quart Phantom Ass'y on Chinrest.
4. Click the READY button, and acquire/save the image according to the Console Software
guidance.
5. Run VAKCAP.exe
6. Click the Panorama tab and click V Pan to open View 16.
7. Click brw and select "ampt.raw" created in the
C:\VCaptureSW\Acquisition\PANO\WidePANO\PROJ_exposure time folder.
8. Set it as [M size = 40] and evaluate noise(dev) and Homogeneity(ave) of each ROI.
5.3.4.
Test Result
Parameter
ROI 1 (600, 800)
ROI 2 (2550, 800) ROI 3 (1574, 800)
Pass/Fail
Noise(Dev)
Summary of Contents for A9 PHT-30CSS
Page 1: ...vatech A9 Technical manual Model PHT 30CSS Version 1 01 English...
Page 12: ...Page 11 of 244 1 2 1 Vertical Frame Part...
Page 22: ...Page 21 of 244 1 2 3 5 Generator DG 07E22T2...
Page 26: ...Page 25 of 244...
Page 27: ...Page 26 of 244...
Page 30: ...Page 29 of 244 1 3 3 Sensor Part Connection Diagram...
Page 31: ...Page 30 of 244 1 3 4 CEPH SENSOR Part Connection Diagram...
Page 32: ...Page 31 of 244 1 3 5 Connection Diagram Total assembly...
Page 43: ...Page 42 of 244 16 Loosen ten bolts as shown in the image below...
Page 112: ...Page 111 of 244 5 Click the V Vol button Click the Ready button...
Page 180: ...Page 179 of 244 10 Select 50 in the M box and click the center of the flat washer...
Page 209: ...Page 208 of 244 8 5 Appendix 8 5 1 Main MCU Board Parameters...
Page 244: ...vatech A9 www vatech com...
