{"number":"US12702376B2","kindCode":"B2","documentType":"grant","title":{"original":"Method and apparatus for performing automatic exposure control in CT imaging systems","english":"Method and apparatus for performing automatic exposure control in CT imaging systems"},"abstract":{"original":"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…","english":"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…"},"applicants":["Canon Kabushiki Kaisha"],"inventors":["Yujie LU","Ting XIA","Jian ZHOU","Liang CAI"],"filingDate":"2024-09-10","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702376B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702376B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702376B2","ja":"https://downloadpatent.com/ja/patent/US12702376B2"}}