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FAN WANG1,* , HUI TIAN1, JINPING NI1, FEI HOU1, TONG YANG1, RONGLI GUO1
To analyze the imaging performance of pentagonal-shaped pixel array detectors, static and dynamic modulation transfer functions (MTFs) are established. To obtain the static MTF, the analytical expressions of both the aperture function and sampling function are first determined, and then, the static MTF of the detector is deduced according to its definition. In addition, the dynamic MTF of the detector for linear motion imaging is established. The results showed that static MTF values of the pentagonal pixel array detector are clearly larger than the values at the same frequencies along the y direction for other rectangular, hexagonal and triangular pixel array detectors, while they are almost similar along the x direction. In addition, the pentagonal pixel array detector has six zeroless directions, which can help enhance the image quality with image processing methods. The dynamic imaging performance with different motion parameters is also analyzed according to the established dynamic MTF. Both static and dynamic MTFs can help optimize the design of new specially shaped pixel array detectors and evaluate their imaging performance.
Specially shaped pixel, Pentagonal pixel, Array detector, Modulation transfer function.
FAN WANG, HUI TIAN, JINPING NI, FEI HOU, TONG YANG, RONGLI GUO, Static and dynamic imaging performance analysis of pentagonal pixel array detector, Optoelectronics and Advanced Materials - Rapid Communications, 14, 7-8, July-August 2020, pp.316-325 (2020).
Submitted at: Aug. 27, 2019
Accepted at: Aug. 18, 2020
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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