Infrared and Laser Engineering, Volume. 51, Issue 7, 20210756(2022)
Test method of the dynamic modulation transfer function in an indoor analog environment
Fig. 2. (a) "Three-bar target" pattern; (b) "Four-bar target" pattern
Fig. 3. Schematic diagram of frequency and modulation computing for ''three-bar target''
Fig. 5. (a) Approximate ''four-bar target''; (b) Approximate ''three-bar target''
Fig. 6. Schematic diagram of frequency and modulation computing for approximate ''three-bar target''
Fig. 8. (a) Test image data; (b) Randomly select a row image; (c) Segmentedany approximate ''three-bar target'' curve after removed background gray; (d) FFT operation for ''three-bar target''
Fig. 10. Dynamic MTF curve measured at three moving speeds of the target
|
Get Citation
Copy Citation Text
Weiguang Zhang, Xun Yu, Feng Han, Faqiang Zhang, Yinhua Wu, Yujiao Chen. Test method of the dynamic modulation transfer function in an indoor analog environment[J]. Infrared and Laser Engineering, 2022, 51(7): 20210756
Category: Photoelectric measurement
Received: Jan. 25, 2022
Accepted: --
Published Online: Dec. 20, 2022
The Author Email: