Chinese Optics, Volume. 16, Issue 3, 715(2023)
Fabric image retrieval algorithm based on fractal coding and Zernike moment under the wavelet transform
Fig. 2. Results of two-layer wavelet transform：(a) approximate coefficient ca2; (b) horizontal component chd2; (c) vertical component cvd; (d) diagonal component cdd2
Fig. 3. Decoding images under different algorithms (from left to right are original image, BFIC, HVKF, SFIC and FZW results)
Fig. 4. Comparison of decoding image quality under different algorithms
Table 1. Isometric transform
View tableView in ArticleTable 1. Isometric transform
j $q(j)$ 1 Identity transformation 2 symmetry of the X axis 3 symmetry of the Y axis 4 Rotate 180 degrees 5 $y = - x$ 6 $y = x$ 7 Rotate 90 degrees counterclockwise 8 Rotate 270 degrees counterclockwise
Table 2. Average PSNR of 3000 images with four different methods
View tableView in ArticleTable 2. Average PSNR of 3000 images with four different methods
Method BFIC HVKF SFIC FZW PSNR/dB 28.26 31.47 36.38 37.21
Table 3. Comparison of decoding image quality and encoding time under different algorithms
View tableView in ArticleTable 3. Comparison of decoding image quality and encoding time under different algorithms
Images BFIC HVKF SFIC FZW PSNR/dB Time/s SSIM PSNR/dB Time/s SSIM PSNR/dB Time/s SSIM PSNR/dB Time/s SSIM Trellis 28.44 727.81 0.805 32.72 165.37 0.852 37.86 65.76 0.938 35.89 43.67 0.921 Flower1 27.72 748.32 0.742 31.85 148.88 0.823 38.53 83.63 0.955 38.82 43.85 0.978 Cluster 29.01 733.70 0.846 30.46 160.53 0.869 35.48 90.08 0.937 36.30 38.23 0.945 Stripes1 28.56 742.24 0.784 30.80 156.60 0.858 36.06 82.34 0.943 36.71 38.13 0.960 Leaves 28.99 736.59 0.808 33.54 163.47 0.889 37.25 71.09 0.946 37.57 42.97 0.966 Stripes2 29.12 740.68 0.812 29.23 163.26 0.856 37.93 87.72 0.933 38.15 44.28 0.974 Flower2 28.70 728.76 0.774 30.53 155.04 0.842 38.22 73.51 0.986 37.64 38.11 0.982 Rhombus 27.85 730.05 0.692 30.07 163.77 0.870 33.10 82.55 0.969 35.21 42.93 0.983 Flame 28.13 757.90 0.802 31.07 169.90 0.858 36.37 80.61 0.944 37.29 47.57 0.975 Diamond 27.32 724.81 0.769 30.32 166.23 0.810 34.75 78.85 0.926 38.43 51.52 0.979 Curve 28.66 675.55 0.807 32.45 147.96 0.871 36.18 63.48 0.932 37.06 35.92 0.968 Dots 29.57 701.53 0.821 32.76 158.03 0.864 36.92 78.80 0.939 38.28 37.69 0.986 Wave 28.29 681.63 0.794 30.97 150.54 0.806 37.15 76.05 0.945 37.18 38.50 0.964 Scroll 27.73 717.84 0.654 29.60 161.86 0.797 35.10 79.37 0.899 36.99 38.03 0.943 Twill1 29.54 727.54 0.811 31.55 163.43 0.853 37.22 75.91 0.938 37.61 39.44 0.955 Circle1 27.94 720.09 0.763 31.89 159.87 0.847 34.88 73.00 0.917 37.26 40.16 0.967
Get Citation
Copy Citation Text
Qin ZHANG, Yi-qing CAO. Fabric image retrieval algorithm based on fractal coding and Zernike moment under the wavelet transform[J]. Chinese Optics, 2023, 16(3): 715
Category: Original Article
Received: Oct. 31, 2022
Accepted: --
Published Online: May. 31, 2023
The Author Email: Qin ZHANG (daisyzhangq@126.com)
