Realtime Measurement of Ultrahigh-Definition Camera Modulation Transfer Function

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE Mot. Imag. J
Volume: 127, No. 10, pp. 14–22
Abstract: Herein, experimental results are presented for a system capable of measuring the modulation transfer function (MTF) of a broadcast camera based on its knife-edge responses in realtime. This method can be applied to multiple edges in arbitrary directions, unlike the conventional ISO 12233 edge-based method in which only a near-horizontal or near-vertical edge can be analyzed. The new measurement system significantly facilitates the evaluation of the performances of the camera and lens as well as accurate focusing in an objective manner. The analysis of multidirectional edges on a starburst chart yields a contour plot of the multidirectional MTF for direct observation of anisotropy due not only to the misalignment of the optical system but also to the pixel arrangement of the image sensor.
Publication Date: 2018-11-01
DOI: 10.5594/JMI.2018.2868435
ISSN: Print: 1545-0279 | Electronic: 2160-2492
Link: https://doi.org/10.5594/JMI.2018.2868435
Author(s): Kenichiro Masaoka
Kazuyuki Arai
Yoshiro Takiguchi
Keyword(s): Edge Response, Multidirectional Modulation Transfer Function (MTF), Realtime Measurement, Spatial Resolution
Copyright: © 2018 SMPTE

Bibliographic Reference(s)

ISO.12233.2017 — Photography—Electronic Still Picture Imaging—Resolution and Spatial Frequency Responses, document ISO 12233:2017, 2017. EXTERNAL
G. C. Birch and J. C. Griffin, “Sinusoidal Siemens Star Spatial Frequency Response Measurement Errors due to Misidentified Target Centers,” Opt. Eng., 54(7):074104, Jul. 2015. EXTERNAL
C. Loebich, D. Wueller, B. Klingen, and A. Jaeger, “Digital Camera Resolution Measurement Using Sinusoidal Siemens Stars,” Proc. SPIE, vol. 6502, p. 65020N, Feb. 2007. EXTERNAL
P. D. Burns, “Slanted-Edge MTF for Digital Camera and Scanner Analysis,” Proc. PICS2000: Image Processing, Image Capture Systems Conf., pp. 135-138, Portland, OR, Mar. 2000. EXTERNAL
J. B. Phillips and H. Eliasson, Camera Image Quality Benchmarking, pp. 200-201, Wiley: Hoboken, NJ, 2018. EXTERNAL
K. Masaoka, “Accuracy and Precision of Edge-Based Modulation Transfer Function Measurement for Sampled Imaging Systems,” IEEE Access, 6(1):41079–41086, Jul. 2018. EXTERNAL
K. Masaoka, Y. Nishida, M. Sugawara, E. Nakasu, and Y. Nojiri, “Sensation of Realness From High-Resolution Images of Real Objects,” IEEE Trans. Broadcast., 59(1):72–83, Mar. 2013. EXTERNAL
J. W. Coltman, “The Specification of Imaging Properties by Response to a Sine Wave Input,” J. Opt. Soc. Am., 44:468–471, Jun. 1954. EXTERNAL
K. Masaoka, T. Yamashita, Y. Nishida, and M. Sugawara, “Modified Slanted-Edge Method and Multidirectional Modulation Transfer Function Estimation,” Opt. Express, 22(5):6040–6046, Mar. 2014. EXTERNAL
Technical Report TR-B41, “Measurement Methods for Resolution Characteristics of Television Camera Systems,” document TR-B41, Association of Radio Industries and Businesses, Tokyo, Japan, Sep. 2016 (in Japanese). EXTERNAL
J. K. M. Roland, “A Study of Slanted-Edge MTF Stability and Repeatability,” Proc. SPIE, 9396:93960L, Feb. 2015. EXTERNAL

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Kenichiro Masaoka, Kazuyuki Arai, and Yoshiro Takiguchi; Realtime Measurement of Ultrahigh-Definition Camera Modulation Transfer Function, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 10, 2018); SMPTE, 2018. Available at https://doi.org/10.5594/JMI.2018.2868435

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Kenichiro Masaoka, Kazuyuki Arai, and Yoshiro Takiguchi; Realtime Measurement of Ultrahigh-Definition Camera Modulation Transfer Function, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 10, 2018); SMPTE, 2018. Available at https://doi.org/10.5594/JMI.2018.2868435

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<span class="citation">Kenichiro Masaoka, Kazuyuki Arai, and Yoshiro Takiguchi; <cite>Realtime Measurement of Ultrahigh-Definition Camera Modulation Transfer Function</cite>, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 10, 2018); SMPTE, 2018. Available at <a href="https://doi.org/10.5594/JMI.2018.2868435" target="_blank" rel="noopener">https://doi.org/10.5594/JMI.2018.2868435</a></span>

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Kenichiro Masaoka, Kazuyuki Arai, and Yoshiro Takiguchi; Realtime Measurement of Ultrahigh-Definition Camera Modulation Transfer Function, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 10, 2018); SMPTE, 2018
doi: 10.5594/JMI.2018.2868435
url: https://doi.org/10.5594/JMI.2018.2868435

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<li>
Kenichiro Masaoka, Kazuyuki Arai, and Yoshiro Takiguchi; <cite id="bib-10-5594-jmi-2018-2868435">Realtime Measurement of Ultrahigh-Definition Camera Modulation Transfer Function</cite>, SMPTE Motion Imaging Journal ( Volume: 127, Issue: 10, 2018); SMPTE, 2018
<span class="doi">10.5594/JMI.2018.2868435</span>
</li>