Results 21 to 30 of about 2,592,085 (298)

Development and Challenge of Large Container Photon-counting Imaging Technology

Journal of Isotopes, 2023
The photon-counting detectors with great application potential, have brought technological innovation to radiation imaging fields. With energy resolving capability, photon-counting detectors will help to enhance radiation image quality, lower radiation ...
ZHANG Huaxia;WU Zhifang
doaj   +1 more source

Cardiac imaging with photon counting CT

British Journal of Radiology, 2023
CT of the heart, in particular ECG-controlled coronary CT angiography (cCTA), has become clinical routine due to rapid technical progress with ever new generations of CT equipment.
T. Flohr, B. Schmidt, S. Ulzheimer, H. Alkadhi   +3 more
semanticscholar   +1 more source

Simulation of Target Tracking based on Photon-counting Laser Ranging System

Guangtongxin yanjiu, 2022
As the single photon detection greatly improves the sensitivity of a traditional detector, it has enormous potentiality in distance measuring. Photon-counting laser ranging is able to extract the target's trajectory from large amounts of echo information
JIANG Yan, SUN Zhi-feng, ZHOU Zhi-rui, SUN Tong, RAO Qiang, YIN Tian-feng   +5 more
doaj   +3 more sources

Efficient and Noise Robust Photon-Counting Imaging with First Signal Photon Unit Method

Photonics, 2021
Efficient photon-counting imaging in low signal photon level is challenging, especially when noise is intensive. In this paper, we report a first signal photon unit (FSPU) method to rapidly reconstruct depth image from sparse signal photon counts with ...
Kangjian Hua, Bo Liu, Zhen Chen, Liang Fang, Huachuang Wang   +4 more
doaj   +1 more source

The Future Arrived: Photon-Counting Detector CT. [PDF]

, 2023
In the past decades, we have witnessed tremendous technical innovations in computed tomography (CT) imaging. These included improvements in temporal and spatial resolution, lowering of the radiation dose, the introduction of dual-energy and multi-energy ...
Runge, Val, Alkadhi, Hatem, Alkadhi, Hatem; https://orcid.org/, Hatem Alkadhi, Val Runge   +4 more
core   +1 more source

Dual-Source Photon-Counting Computed Tomography—Part I: Clinical Overview of Cardiac CT and Coronary CT Angiography Applications

Journal of Clinical Medicine, 2023
The photon-counting detector (PCD) is a new computed tomography detector technology (photon-counting computed tomography, PCCT) that provides substantial benefits for cardiac and coronary artery imaging.
Filippo Cademartiri, A. Meloni, L. Pistoia, Giulia Degiorgi, A. Clemente, C. Gori, V. Positano, S. Celi, S. Berti, M. Emdin, D. Panetta, L. Menichetti, Bruna Punzo, C. Cavaliere, E. Bossone, L. Saba, R. Cau, L. la Grutta, E. Maffei   +18 more
semanticscholar   +1 more source

Subcentimeter depth resolution using a single-photon counting time-of-flight laser ranging system at 1550 nm wavelength [PDF]

, 2007
We demonstrate subcentimeter depth profiling at a stand off distance of 330m using a time-of-flight approach based on time-correlated single-photon counting.
Nam, Sae Woo, Hernandez-Marin, Sergio, Wallace, A.M., Warburton, R.E., McCarthy, Aongus, Nam, S.W., Buller, G.S., Wallace, Andrew M., Warburton, Ryan E., Hadfield, Robert H., Hernandez-Marin, S., Hadfield, R., McCarthy, A., Buller, Gerald S.   +13 more
core   +1 more source

Initial Clinical Images From a Second-Generation Prototype Silicon-Based Photon-Counting Computed Tomography System.

Academic Radiology, 2023
RATIONALE AND OBJECTIVES To demonstrate the feasibility and potential of using a second-generation prototype photon-counting computed tomography (CT) system to provide simultaneous high spatial resolution images and high spectral resolution material ...
H. Almqvist, Dominic Crotty, S. Nyrén, Jimmy Yu, Fabian Arnberg-Sandor, T. Brismar, Cedric Tovatt, H. Linder, Jose Dagotto, E. Fredenberg, Moa Yveborg Tamm, P. Deak, M. Fanariotis, R. Bujila, S. Holmin   +14 more
semanticscholar   +1 more source

Single photon source characterization with a superconducting single photon detector [PDF]

, 2005
Superconducting single photon detectors (SSPD) based on nanopatterned niobium nitride wires offer single photon counting at fast rates, low jitter, and low dark counts, from visible wavelengths well into the infrared.
Mirin, R.P., Nam, S.W., Gruber, S.S., Miller, A.J., Stevens, M.J., Hadfield, R., Schwall, R.E.   +6 more
core   +1 more source

Synchronous Clock Recovery of Photon-Counting Underwater Optical Wireless Communication Based on Deep Learning

Photonics, 2022
In photon-counting underwater optical wireless communication (UOWC), the recovery of the time slot synchronous clock is extremely important, and it is the basis of symbol synchronization and frame synchronization.
Haodong Yang, Qiurong Yan, Ming Wang, Yuhao Wang, Peng Li, Wei Wang   +5 more
doaj   +1 more source