Publication

UTOFPET: a highly scalable TOF-PET detector concept

Claudio Bruschini
2019
Posters

Abstract

We present the design and preliminary simulated performance of a highly scalable TOF-PET detector concept. The UTOFPET project aims at the development of a TOF-PET detector module, with beyond-state-of-the-art performance, that is designed to be well suited for various applications, from brain-dedicated to total-body PET. The UTOFPET detector is based on a continuous scintillator crystal read out by 256 SiPMs, arranged in a 16 × 16 matrix whose outputs are processed by a stack of local processing and data acquisition boards. Initial simulations indicate the feasibility of on-board real-time position and time estimation with a spatial resolution below 0.5 mm FWHM for the whole detector.

Official source

https://infoscience.epfl.ch/entities/publication/cd475eb9-8e66-4f52-b59d-dd981fe8f78a

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Claudio Bruschini
2019
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/cd475eb9-8e66-4f52-b59d-dd981fe8f78a

About this result

Related concepts (23)

Spatial resolution

In physics and geosciences, the term spatial resolution refers to distance between independent measurements, or the physical dimension that represents a pixel of the image. While in some instruments, like cameras and telescopes, spatial resolution is directly connected to angular resolution, other instruments, like synthetic aperture radar or a network of weather stations, produce data whose spatial sampling layout is more related to the Earth's surface, such as in remote sensing and .

Positron emission tomography

Positron emission tomography (PET) is a functional imaging technique that uses radioactive substances known as radiotracers to visualize and measure changes in metabolic processes, and in other physiological activities including blood flow, regional chemical composition, and absorption. Different tracers are used for various imaging purposes, depending on the target process within the body. For example, -FDG is commonly used to detect cancer, NaF is widely used for detecting bone formation, and oxygen-15 is sometimes used to measure blood flow.

Image resolution

Image resolution is the level of detail an holds. The term applies to digital images, film images, and other types of images. "Higher resolution" means more image detail. Image resolution can be measured in various ways. Resolution quantifies how close lines can be to each other and still be visibly resolved. Resolution units can be tied to physical sizes (e.g. lines per mm, lines per inch), to the overall size of a picture (lines per picture height, also known simply as lines, TV lines, or TVL), or to angular subtense.

Related publications (1)

UTOFPET: a highly scalable TOF-PET detector concept

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