Apparatus and method for high dynamic range counting by pixelated detectors
Abstract
The present disclosure relates to an apparatus and methods for generating a hybrid image by high-dynamic-range counting. In an embodiment, the apparatus includes a processing circuitry configured to acquire an image from a pixelated detector, obtain a sparsity map of the acquired image, the sparsity map indicating low-flux regions of the acquired image and high-flux regions of the acquired image, generate a low-flux image and a high-flux image based on the sparsity map, perform event analysis of the acquired image based on the low-flux image and the high-flux image, the event analysis including detecting, within the low-flux image, incident events by an event counting mode, multiply, by a normalization constant, resulting intensities of the high-flux image and the detected incident events of the low-flux image, and generate the hybrid image by merging the low-flux image and the high-flux image.
- Inventors:
- Issue Date:
- Research Org.:
- Direct Electron, LP, San Diego, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1892627
- Patent Number(s):
- 11252339
- Application Number:
- 16/851,931
- Assignee:
- Direct Electron, LP (San Diego, CA)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- DOE Contract Number:
- SC0018493
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 04/17/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Bammes, Benjamin, and Bilhorn, Robert. Apparatus and method for high dynamic range counting by pixelated detectors. United States: N. p., 2022.
Web.
Bammes, Benjamin, & Bilhorn, Robert. Apparatus and method for high dynamic range counting by pixelated detectors. United States.
Bammes, Benjamin, and Bilhorn, Robert. Tue .
"Apparatus and method for high dynamic range counting by pixelated detectors". United States. https://www.osti.gov/servlets/purl/1892627.
@article{osti_1892627,
title = {Apparatus and method for high dynamic range counting by pixelated detectors},
author = {Bammes, Benjamin and Bilhorn, Robert},
abstractNote = {The present disclosure relates to an apparatus and methods for generating a hybrid image by high-dynamic-range counting. In an embodiment, the apparatus includes a processing circuitry configured to acquire an image from a pixelated detector, obtain a sparsity map of the acquired image, the sparsity map indicating low-flux regions of the acquired image and high-flux regions of the acquired image, generate a low-flux image and a high-flux image based on the sparsity map, perform event analysis of the acquired image based on the low-flux image and the high-flux image, the event analysis including detecting, within the low-flux image, incident events by an event counting mode, multiply, by a normalization constant, resulting intensities of the high-flux image and the detected incident events of the low-flux image, and generate the hybrid image by merging the low-flux image and the high-flux image.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 15 00:00:00 EST 2022},
month = {Tue Feb 15 00:00:00 EST 2022}
}
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