Correcting count loss
US10360699B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2017 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Dec 29, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/10104
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods for correcting a count loss and PET systems are provided according to examples of the present disclosure. In one aspect, the PET system obtain scanning data of a subject to be detected for which random correction has been performed, obtain a first correction factor corresponding to the true coincidence count according to the single-photon count rates of the two Blocks corresponding to the true coincidence count, obtain a second correction factor corresponding to the true coincidence count according to the system single-photon count rate, and correct the true coincidence count according to the first correction factor and the second correction factor corresponding to the true coincidence count.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.