Method for Position and Energy Determination in Scintillation Detectors

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This patent describes a new, iteration-free method for quickly and accurately determining the position and energy of particles detected by scintillation detectors. The method uses mathematical formulas that allow precise calculation from the distribution of scintillation light detected by photodetector arrays, accounting for inherent noise and incomplete data, and significantly improves processing speed and accuracy over existing methods, especially for medical and nuclear imaging.

Use CasesContent extracted from patent full text and abstract with AI.

• Medical imaging systems such as PET, SPECT, Compton, and scintigraphy cameras for improved image quality and faster data processing.
• Nuclear physics experiments for more accurate particle detection and energy measurements.
• Radiation protection devices that require precise localization and identification of radioactive events.
• Industrial inspections or security scanning where high-rate, accurate detection of gamma/X-ray events is important.
• Integration into FPGA- or CPU-based data processing units to enable real-time processing in high-throughput detectors.

BenefitsContent extracted from patent full text and abstract with AI.

• Significantly faster data processing due to the elimination of iterative algorithms, enabling real-time event localization even at very high event rates.
• Greater tolerance to noisy or missing data, reducing positioning errors and artifacts in the final reconstructed image, especially in medical applications.
• Minimizes hardware requirements, as the memory and computational needs are reduced compared to prior methods—enabling cost-effective systems.
• Directly accounts for statistical fluctuations inherent to particle detection (Poisson statistics), leading to higher accuracy without complex calibration or frequent corrections.
• Versatile implementation: Suitable for both segmented and continuous scintillators, and can be integrated in both FPGA and CPU hardware environments.

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Patent Abstract

The invention relates to a method for the position and energy determination in scintillation detectors. According to the invention, the photo conversion energy and the photo conversion position of particles, which trigger scintillation events, are calculated from the distribution of the released scintillation light, which has been scanned by a photodetector, of a scintillation event or a plurality of scintillation events in an iteration-free method according to formulae (6), (7) and (8).