• Laser & Optoelectronics Progress
  • Vol. 57, Issue 10, 101005 (2020)
Zetian Tang1、*, Zhao Ding1, Ruimin Zeng1, Yang Wang1, Dengwei Zhu1, Yuhao Wang1, Minzhe Zhong1, and Chen Yang1、2、**
Author Affiliations
  • 1College of Big Data and Information Engineering, Guizhou University, Key Laboratory of Micro-Nano-Electronics and Software Technology of Guizhou Province, Power Semiconductor Device Reliability Engineering Center of the Ministry of Education, Guiyang, Guizhou 550025, China
  • 2Longmaster Information & Technology Co., Guiyang, Guizhou 550022, China;
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    DOI: 10.3788/LOP57.101005 Cite this Article Set citation alerts
    Zetian Tang, Zhao Ding, Ruimin Zeng, Yang Wang, Dengwei Zhu, Yuhao Wang, Minzhe Zhong, Chen Yang. Quantum Image Stitching Algorithm Based on Improved Harris and Quadratic Normalized Cross Correlation[J]. Laser & Optoelectronics Progress, 2020, 57(10): 101005 Copy Citation Text show less
    Flow chart of quantum image stitching
    Fig. 1. Flow chart of quantum image stitching
    Impact on corner detection by threshold. (a) Small threshold; (b) excessive threshold
    Fig. 2. Impact on corner detection by threshold. (a) Small threshold; (b) excessive threshold
    Error matching
    Fig. 3. Error matching
    Flow chart of statistical method for the number of quantum dots or rings
    Fig. 4. Flow chart of statistical method for the number of quantum dots or rings
    Gray value logarithmic histogram
    Fig. 5. Gray value logarithmic histogram
    Statistical graph of the relationship between quantum dots or rings and subregions with preserved corner points
    Fig. 6. Statistical graph of the relationship between quantum dots or rings and subregions with preserved corner points
    Original images. (a)(b) Quantum wire images; (c)(d) quantum ring images; (e)(f) quantum dot images
    Fig. 7. Original images. (a)(b) Quantum wire images; (c)(d) quantum ring images; (e)(f) quantum dot images
    Corner detection results. (a)(c)(e) Traditional Harris algorithm; (b)(d)(f) proposed algorithm
    Fig. 8. Corner detection results. (a)(c)(e) Traditional Harris algorithm; (b)(d)(f) proposed algorithm
    Results of corner matching. (a) Quantum wire stitching image; (b) quantum ring stitching image; (c) quantum dot stitching image
    Fig. 9. Results of corner matching. (a) Quantum wire stitching image; (b) quantum ring stitching image; (c) quantum dot stitching image
    Image stitching results. (a) Quantum wire stitching image; (b) quantum ring stitching image; (c) quantum dot stitching image
    Fig. 10. Image stitching results. (a) Quantum wire stitching image; (b) quantum ring stitching image; (c) quantum dot stitching image
    123456
    Image
    Number ofquantumdots or ringsOTSU3223221921
    Ref. [12]111040462826
    Proposed81038472725
    Manual counting111044462826
    OTSU0.0280.0230.0210.0210.0160.010
    Time /sRef. [12]0.5170.5130.7370.7050.7030.779
    Proposed0.0820.0750.2690.2600.2960.302
    Table 1. Comparison of quantum dot or ring counting methods
    AlgorithmFig. 7(a)Fig. 7(b)Fig. 7(c)Fig. 7(d)Fig. 7(e)Fig. 7(f)
    Harris1277109915717490252
    Proposed678513238335592514
    Table 2. Comparison of corner detection results
    Window sizeFig. 7(a)(b)Fig. 7(c)(d)Fig. 7(e)(f)
    Error rate /%Time /sError rate /%Time /sError rate /%Time /s
    5×566.883.92982.861.60867.353.551
    9×961.104.02672.321.73866.773.728
    13×1356.014.15454.171.87665.793.941
    17×1750.534.40938.561.96663.244.134
    21×2145.334.83027.592.06861.674.569
    25×2541.225.18825.002.17958.504.916
    Proposed4.823.98227.271.68810.173.682
    Table 3. Comparison results of mismatch rate and time
    Zetian Tang, Zhao Ding, Ruimin Zeng, Yang Wang, Dengwei Zhu, Yuhao Wang, Minzhe Zhong, Chen Yang. Quantum Image Stitching Algorithm Based on Improved Harris and Quadratic Normalized Cross Correlation[J]. Laser & Optoelectronics Progress, 2020, 57(10): 101005
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