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Enter into the [Calibration] menu
1
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Click the [Calibration] menu to enter.
2 Acquire a Dark Image
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Acquire a Dark Image needed for the [Calibration].
- When Dark Image is acquired, images increase, and the file is saved in the image folder specified in
.
- The median value of the image is displayed next to the image file name.
- Compare multiple images and remove any faulty image by right-clicking the image.
- When deleting a file, the file list and saved file are also deleted.
3 Acquire a Bright Image
•
Acquire a Bright Image needed for the [Calibration].
- When Bright Image is acquired, images increase, and the file is saved in the image folder specified
in
.
- The median value of the image is displayed next to the image file name.
- Compare multiple images and remove any faulty image by right-clicking the image.
- When deleting a file, the file list and saved file are also deleted.
NOTE
•
Up to 10 Dark Image and Bright Image each can be saved. When the number of images exceeds 10, the
oldest image will be deleted first.
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For a bright image, X-ray must be irradiated during image acquisition.
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Images are acquired automatically in
are acquired automatically among dark images and ten images among bright images. For
version 3.00.16 or lower, you must select the [Acquisition] button whenever acquiring an
image.
24
Version 3.00.16 and higher. Four images
4 [Calibration]
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[Calibration] is performed in this menu.
- Dark Image: 4 images (minimum)
- Bright Image: 5 images (minimum), 10 images (maximum)
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When [Calibration] is performed, the standard pixel values of a bright image are as follows.
- For
version 3.00.16 or lower
Bright images are acquired within the pixel range of 1500 – 15000. (Examples of acquisition points in
case of 10 images: 1500, 1700, 2200, 2500, 3300, 4000, 5000, 6500, 8500, 10500, 15000)
- For
version 3.00.16 and higher
Bright images are acquired with a pixel value close to 6000 when the tube voltage is 60 kv - 70 kv.
(The acceptable range is -10 % - 20 % for a pixel range of 5400 - 7200. Images outside this range are
not included.)
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The result of the [Calibration] will be saved in a folder created based on the date and time of performing
[Calibration].
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When the [Calibration] is completed, [BPM Analysis] will be updated.
NOTE
•
When running more than 5 [Calibration], the sixth [Calibration] is saved after the first [Calibration] is
automatically deleted.
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If you wish to make a backup, copy the folder containing the result and paste in another location.
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