Tube Voltage Adjustment
AssigneeSiemens Healthineers AG
InventorYun Tao Xu
Life of this patent
Estimating the term…
Abstract
A tube voltage adjustment including: at the end of a present exposure, obtaining an X-ray image acquired by the present exposure, and obtaining an average grayscale of the X-ray image; obtaining a first ratio between the average grayscale and a target grayscale of this X-ray examination; obtaining an adjustment direction and an adjustment extent of tube voltage of an X-ray tube according to the first ratio; and adjusting a present tube voltage according to the adjustment direction and adjustment extent of tube voltage of the X-ray tube.
Claims18
A tube voltage adjustment method, comprising:
- at an end of a present exposure, obtaining an X-ray image acquired by the present exposure, and obtaining an average grayscale of the X-ray image;
- obtaining a first ratio between the average grayscale and a target grayscale of this X-ray examination;
- obtaining an adjustment direction and an adjustment extent of tube voltage of an X-ray tube according to the first ratio;
- and
- adjusting a present tube voltage according to the adjustment direction and adjustment extent of tube voltage of the X-ray tube.
A tube voltage adjustment apparatus, comprising:
- an image grayscale acquisition module, configured to, at an end of a present exposure, obtain an X-ray image acquired by the present exposure, obtain an average grayscale of the X-ray image, and obtain a first ratio between the average grayscale and a target grayscale of this X-ray examination;
- and
- a tube voltage adjustment module, configured to obtain an adjustment direction and an adjustment extent of tube voltage of an X-ray tube according to the first ratio, and adjust a present tube voltage according to the adjustment direction and adjustment extent of tube voltage of the X-ray tube.
Dependencies are inferred from the claim text.