Calibration phantom comprising a reflectance calibration target and a plurality of radio-opaque markers
Y Lin, WJ Sehnert - US Patent 10,492,755, 2019 - Google Patents
A calibration phantom has a surface having a reflectance calibration target with a pattern
that is indicative of one or more spatial reference positions. Radio-opaque markers are …
that is indicative of one or more spatial reference positions. Radio-opaque markers are …
Cone-beam CT image enhancement using generative adversarial networks
Techniques for generating an enhanced cone-beam com puted tomography (CBCT) image
using a trained model are provided. A CBCT image of a subject is received. a synthetic …
using a trained model are provided. A CBCT image of a subject is received. a synthetic …
Image quality improvement in cone beam computed tomography images using deep convolutional neural networks
Abstract Systems and methods include training a deep convolutional neural network
(DCNN) to reduce one or more artifacts using a projection space or an image space …
(DCNN) to reduce one or more artifacts using a projection space or an image space …
Method and apparatus to reduce artifacts in a computed-tomography (CT) image by iterative reconstruction (IR) using a cost function with a de-emphasis operator
An apparatus and method are provided for computed tomography (CT) imaging to reduce
artifacts due to objects outside the field of view (FOV) of a reconstructed image. The artifacts …
artifacts due to objects outside the field of view (FOV) of a reconstructed image. The artifacts …
X-ray computed tomography apparatus
T Yamazaki, M Hayashibara - US Patent 11,013,474, 2021 - Google Patents
According to one embodiment, an X-ray computed tomography apparatus includes a gantry
that performs X-ray CT imaging; a bed that movably supports a table top on which a subject …
that performs X-ray CT imaging; a bed that movably supports a table top on which a subject …
Method and system for automatic tube current modulation
Y Lin, WJ Sehnert, NJ Packard - US Patent 10,251,612, 2019 - Google Patents
ABSTRACT A method for generating a modulation tube current wave form acquires
reflectance images of a subject and generates a surface contour characterization of the …
reflectance images of a subject and generates a surface contour characterization of the …
Image synthesis using adversarial networks such as for radiation therapy
X Han - US Patent 11,699,281, 2023 - Google Patents
A statistical learning technique that does not rely upon paired imaging information is
described herein. The technique may be computer-implemented and may be used in order …
described herein. The technique may be computer-implemented and may be used in order …
Dynamic analysis system, correction apparatus, storage medium, and dynamic imaging apparatus
S Nagatsuka, Y Kawana - US Patent App. 17/318,278, 2021 - Google Patents
A dynamic analysis system processes a dynamic image obtained by irradiation of a subject
from a radiation irradiation apparatus and by dynamic imaging on dynamics of the subject …
from a radiation irradiation apparatus and by dynamic imaging on dynamics of the subject …