Patent ID: 9101326
Filing Date: 2015-08-11
Classification: A61B,G06T

Abstract:
1. A method of image reconstruction for reconstructing an image of an object, the method comprising: when the object is not placed in a measurement space, measuring a plurality of first intensity images of an electromagnetic wave passing through the measurement space and respectively corresponding to a plurality of photon energy levels; when the object is placed in the measurement space, measuring a plurality of second intensity images of the electromagnetic wave passing through the object and respectively corresponding to the photon energy levels; providing data in a database, the data comprising an attenuation coefficient of each of a plurality of substances respectively having a plurality of components irradiated by the electromagnetic wave corresponding to each of the photon energy levels and a thickness of each of the substances in a transmission direction of the electromagnetic wave corresponding to the photon energy level; and calculating a plurality of attenuation images of the object respectively corresponding to the components according to the data in the database, the first intensity images, and the second intensity images.