美國
US 12,702,376 B2
Method and apparatus for performing automatic exposure control in CT imaging systems
US 12,702,376 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-11。申請人：Canon Kabushiki Kaisha。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- Canon Kabushiki Kaisha
- 發明人
- Yujie LU; Ting XIA; Jian ZHOU; Liang CAI
- 公開日
- 2026-08-11
- 申請日
- 2024-09-10
- 文件種類
- B2 核准公告
- 也寫作
- US 12,702,376 B2 · US12702376 · 12702376
摘要
An apparatus for performing automatic exposure control in a computed tomography (CT) imaging system including an X-ray source is provided. The apparatus includes processing circuitry configured to acquire helical scan data from a scout scan performed on a first imaging object, determine a target noise standard deviation (STD) for an imaging scan to be performed on the first imaging object after the scout scan, retrieve a pre-stored attenuation-noise-dose relationship relating attenuation of X-rays from the X-ray source that pass through a second imaging object, noise present in reconstructed i…
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專利局網站： 美國專利商標局（USPTO）