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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.6
- 수록면
- 381 - 388 (8page)
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The performance of a staring infrared imaging system can be characterized based on estimating themodulation transfer function (MTF). The slant edge method is a widely used MTF estimation method,which can effectively solve the aliasing problem caused by the discrete undersampling of the infrared focalplane array. However, the traditional slant edge method has some limitations such as the low precisionof the edge angle extraction and using the approximate function to fit the edge spread function (ESF),which affects the accuracy of the MTF estimation. In this paper, we propose a modified slant edge method,including an edge angle extraction method that can improve the precision of the edge angle extractionand an ESF fitting algorithm which is based on the transfer function model of the imaging system, toenhance the accuracy of the MTF estimation. This modified slant edge method presents higher estimationaccuracy and better immunity to noise and edge angle than other traditional methods, which is demonstratedby the simulation and application experiments operated in our study.
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참고문헌 (12)
참고문헌 신청
A. P. Tzannes / 1995 / Measurement of the modulation transfer function of infrared cameras / Opt. Eng 34:1808~1817
이준호 / 2011 / Imaging Performance Analysis of an EO/IR Dual Band Airborne Camera / Journal of the Optical Society of Korea 15(2):174~181
J. T. Olson / 2007 / Comparison of tilted slit and tilted edge superresolution modulation transfer function techniques / Opt. Eng 46:016403
S. Najafi / 2013 / Measurement of the modulation transfer function of a charge-coupled device array by the combination of the self-imaging effect and slanted edgemethod / Appl. Opt 52:4724~4727
J. Kang / 2014 / Measurement and comparison of one- and two-dimensional modulation transfer function of optical imaging systems based on the random target method / Opt. Eng 53:104105
이준호 / 2011 / Imaging Performance Analysis of an EO/IR Dual Band Airborne Camera / Journal of the Optical Society of Korea 15(2):174~181
J. T. Olson / 2007 / Comparison of tilted slit and tilted edge superresolution modulation transfer function techniques / Opt. Eng 46:016403
S. Najafi / 2013 / Measurement of the modulation transfer function of a charge-coupled device array by the combination of the self-imaging effect and slanted edgemethod / Appl. Opt 52:4724~4727
J. Kang / 2014 / Measurement and comparison of one- and two-dimensional modulation transfer function of optical imaging systems based on the random target method / Opt. Eng 53:104105
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