APPARATUS AND METHOD FOR FREQUENCY-DOMAIN THERMO-ACOUSTIC TOMOGRAPHIC IMAGING

摘要

An imaging apparatus (100), configured for thermoacoustic tomographic imaging a region of interest (2) in an object (1), comprises a source device (10) being arranged for emitting an electromagnetic energy input into the region of interest (2), a detector device (20) being arranged for detecting mechanical wave response signals generated in the region of interest (2) along multiple angular projection directions in response to the electromagnetic energy input, and an image data acquisition and processing device (30) being arranged for providing tomographic image data representing the image of the region of interest (2) on the basis of the mechanical wave response signals, wherein the source device (10) is adapted for continuously emitting the electromagnetic energy input with a predetermined input modulation, and the image data acquisition and processing device (30) is adapted for converting the mechanical wave response signals into the frequency domain and for performing data processing and image reconstruction in the frequency domain or in the time domain. Furthermore, an imaging method for thermoacoustic tomographic imaging a region of interest (2) in an object (1) is described.

主权项

1. An imaging apparatus, configured for thermoacoustic tomographic imaging a region of interest in an object, comprising:
a source device being arranged for emitting an electromagnetic energy input into the region of interest, a detector device being arranged for detecting mechanical wave response signals generated in the region of interest along multiple angular projection directions in response to the electromagnetic energy input, and an image data acquisition and processing device being arranged for providing tomographic image data representing the image of the region of interest on the basis of the mechanical wave response signals, wherein the source device is adapted for continuously emitting the electromagnetic energy input with a predetermined input modulation, and the image data acquisition and processing device is adapted for converting the mechanical wave response signals into the frequency domain and for performing data processing and image reconstruction in the frequency domain or in the time domain.