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1. (WO2019028437) METHODS AND SYSTEMS FOR RADIATION DOSE ESTIMATION
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Pub. No.:
WO/2019/028437
International Application No.:
PCT/US2018/045279
Publication Date:
07.02.2019
International Filing Date:
03.08.2018
IPC:
A61N 5/10
(2006.01) ,
A61B 6/03
(2006.01) ,
A61B 6/00
(2006.01)
A
HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
N
ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5
Radiation therapy
10
X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
A
HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
6
Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
02
Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
03
Computerised tomographs
A
HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
6
Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
Applicants:
VARIAN MEDICAL SYSTEMS INTERNATIONAL AG
[CH/US]; 3100 Hansen Way Palo Alto, California 94304, US
Inventors:
KUUSELA, Esa
; FI
HALKO, Lauri
; FI
Agent:
SU, Gene
; TW
Priority Data:
15/668,712
04.08.2017
US
Title
(EN)
METHODS AND SYSTEMS FOR RADIATION DOSE ESTIMATION
(FR)
MÉTHODES ET SYSTÈMES DESTINÉS À UNE ESTIMATION DE DOSE DE RAYONNEMENT
Abstract:
(EN)
Example methods and systems are provided to perform radiation dose estimation for a target object. In one example, radiation dose estimation may include obtaining projection image data acquired using an imaging system, generating partially reconstructed volume image data based on the projection image data, and generating a partition of the projection image data. The partially reconstructed volume image data may be associated with a first region of a total radiation field. The partition may be associated with a second region of the total radiation field that is located before the first region from a direction of a radiation source. Radiation dose data may be estimated for the target object based on the partially reconstructed volume image data associated with the first region and the partition associated with the second region.
(FR)
L'invention concerne des méthodes et des systèmes donnés à titre d'exemple permettant d'effectuer une estimation de dose de rayonnement pour un objet cible. Selon un exemple, une estimation de dose de rayonnement peut consister à obtenir des données d'image de projection acquises à l'aide d'un système d'imagerie, à générer des données d'image de volume partiellement reconstruites sur la base des données d'image de projection et à générer une partition des données d'image de projection. Les données d'image de volume partiellement reconstruites peuvent être associées à une première région d'un champ de rayonnement total. La partition peut être associée à une seconde région du champ de rayonnement total, qui est située avant la première région à partir d'une direction d'une source de rayonnement. Des données de dose de rayonnement peuvent être estimées pour l'objet cible sur la base des données d'image de volume partiellement reconstruites associées à la première région et à la partition associée à la seconde région.
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language:
English (
EN
)
Filing Language:
English (
EN
)