Infrared and Laser Engineering, Volume. 54, Issue 8, 20250149(2025)
Data calibration and imaging for division-of-focal-plane polarization-integrated mid-wave infrared detectors
Figures & Tables(10)
Fig. 2. Response model of division-of-focal-plane polarization integrated detector
Fig. 3. Ideal normalized response curves of pixels in four polarization directions
Fig. 5. (a) Superpixel response curves; (b) Response curves of different pixels in the same detection direction; (c) Comparison curves of normal pixels and blind pixels
Fig. 6. (a) Dead blind and thermal blind detected by the national standard method; (b) The response blind and polarization blind detected by the proposed method
Fig. 7. (a) Original intensity image; (b) Intensity image after non-uniformity correction of the national standard method and blind pixel replacement; (c) Intensity image after non-uniformity correction of the proposed method and blind pixel replacement; (d) Polarization image; (e) Polarization angle image
Table 1. The non-uniformity of the detector at different blackbody temperatures
View tableView in ArticleTable 1. The non-uniformity of the detector at different blackbody temperatures
Data type 15 ℃ 25 ℃ 35 ℃ Raw data 2.0800 2.1800 2.0900 Response correction data 0.0396 0.0388 0.0385 Polarization correction data 0.0233 0.0237 0.0226
Table 2. The blind element determination parameters of the proposed method
View tableView in ArticleTable 2. The blind element determination parameters of the proposed method
Parameter 0° 45° 90° 135° Mean(RSE) 0.0069 0.0071 0.0063 0.0062
Table 3. Blind metadata statistics table
View tableView in ArticleTable 3. Blind metadata statistics table
Detect method Blind element category 0° 45° 90° 135° National standard method Dead pixel 5 11 6 8 Overheated pixel 129 126 133 124 Total blind element Total: 542, blindness rate: 0.662% The proposed method Response blind element 140 142 146 135 Polarization blind element 8 18 26 34 Repetition number 6 17 23 30 Total blind element Total: 573, blindness rate: 0.699%
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Long WANG, Jian ZHOU, Yaoyun CAO, Fangfang WANG, Xiangxiao YING, Shouhai TANG, Lingfang WANG, Yunmeng LIU, Yi ZHOU, Jianxin CHEN. Data calibration and imaging for division-of-focal-plane polarization-integrated mid-wave infrared detectors[J]. Infrared and Laser Engineering, 2025, 54(8): 20250149
Paper Information
Category: Optical imaging, display and information processing
Received: Mar. 4, 2025
Accepted: --
Published Online: Aug. 29, 2025
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