Laser & Optoelectronics Progress, Volume. 57, Issue 24, 241103(2020)

Activated Sludge Microscopic Image Fusion Based on Discrete Cosine Transform

Lijie Zhao, Yue Zuo, and Mingzhong Huang*
Author Affiliations
  • College of Information Engineering, Shenyang University of Chemical Technology, Shenyang, Liaoning 110142, China
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    Figures & Tables(8)
    Framework based on DCT image fusion algorithm
    Fusion images of 2nd group of experiment. (a) Original image 1; (b) original image 2; (c) DWT; (d) DTCWT; (e) CVT; (f) NSCT; (g) DCT+Variance+CV; (h) proposed algorithm
    Fusion images of 3rd group of experiments. (a) Original image 1; (b) original image 2; (c) DWT; (d) DTCWT; (e) CVT; (f) NSCT; (g) DCT+Variance+CV; (h) proposed algorithm
    Fusion images of 4th group of experiment. (a) Original image 1; (b) original image 2; (c) DWT; (d) DTCWT; (e) CVT; (f) NSCT; (g) DCT+Variance+CV; (h) proposed algorithm
    • Table 1. Fusion effect of proposed algorithm under different block methods

      View table

      Table 1. Fusion effect of proposed algorithm under different block methods

      MethodMIFMIQMGSFRunning time/s
      4×44.45870.59010.71627.225221.83849.4830
      5×54.42000.58690.69347.010821.03004.9600
      6×64.44140.58890.70647.165921.78304.5810
      7×74.43640.58810.68596.905320.93823.0770
      8×84.50770.59400.70187.010421.67013.0000
      12×124.57660.59510.68916.896221.51371.4340
    • Table 2. Fusion effect of 2nd group of experiment

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      Table 2. Fusion effect of 2nd group of experiment

      AlgorithmMIFMIQMGSFRunning time/s
      DWT1.74890.44400.61703.32978.94639.4520
      DTCWT1.83560.46360.63523.04858.35179.6750
      CVT1.74950.44520.60963.04248.310111.8140
      NSCT1.89340.48630.64683.13168.385323.0330
      DCT+Variance+CV3.95900.59010.71143.14388.53463.0470
      Proposed algorithm4.50770.59400.70187.010421.67013.0000
    • Table 3. Fusion effect of 3rd group of experiment

      View table

      Table 3. Fusion effect of 3rd group of experiment

      AlgorithmMIFMIQMGSFRunning time/s
      DWT1.35610.43240.54273.21797.419516.4360
      DTCWT1.42710.47300.56452.87196.564018.1820
      CVT1.38890.45760.53542.88956.531432.3250
      NSCT1.46860.49100.58312.99256.6675116.3610
      DCT+Variance+CV3.68970.59520.66832.99196.827310.5250
      Proposed algorithm3.71590.59020.60686.108615.185810.4190
    • Table 4. Fusion effect of 4th group of experiment

      View table

      Table 4. Fusion effect of 4th group of experiment

      AlgorithmMIFMIQMGSFRunning time/s
      DWT1.26480.44760.56173.72888.792512.4590
      DTCWT1.32980.48050.58283.34327.729714.9850
      CVT1.29650.46430.55293.34857.658231.7530
      NSCT1.36470.49530.59763.46577.833399.2840
      DCT+Variance+CV3.76600.59900.68113.48188.100610.4820
      Proposed algorithm3.82210.59120.63087.047517.841710.4140
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    Lijie Zhao, Yue Zuo, Mingzhong Huang. Activated Sludge Microscopic Image Fusion Based on Discrete Cosine Transform[J]. Laser & Optoelectronics Progress, 2020, 57(24): 241103

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    Paper Information

    Category: Imaging Systems

    Received: Apr. 21, 2020

    Accepted: May. 25, 2020

    Published Online: Dec. 1, 2020

    The Author Email: Huang Mingzhong (syhmz75111@syuct.edu.cn)

    DOI:10.3788/LOP57.241103

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