Journal of Applied Optics, Volume. 45, Issue 1, 99(2024)
Comparison of hologram compression coding based on wavelet transform
Figures & Tables(10)
Fig. 1. Schematic diagram of off-axis Fresnel digital hologram recording
Fig. 6. Reconstructed images before and after off-axis digital holography compression of simple images
Fig. 7. Reconstructed images before and after off-axis digital holography compression of complex images
Fig. 8. Reconstructed images of phase hologram after wavelet threshold (1, 2, 3 and 4 uses sym4, haar, db1 and bior3.1 wavelet bases respectively)
Table 1. PSNR and compression ratio of reconstructed image with different wavelet basis thresholds in off-axis digital hologram
View tableView in ArticleTable 1. PSNR and compression ratio of reconstructed image with different wavelet basis thresholds in off-axis digital hologram
Quantization level Types of wavelets Spatial domain Real and imaginary Amplitude and phase Wavelet base name PSNR C Wavelet base name PSNR C Wavelet base name PSNR C 4 Symlet sym4 22.84 5.96 sym2 23.11 6.68 sym3 22.83 5.32 Haar haar 23.34 5.76 haar 23.03 6.55 haar 22.79 5.13 Daubechies db2 22.81 5.79 db2 23.11 6.68 db3 22.83 5.32 Biorthogonal bior3.1 22.60 5.98 bior3.9 23.09 6.81 bior4.4 22.56 5.38 8 Symlet sym4 24.25 4.77 sym8 25.05 5.51 sym3 24.77 4.36 Haar haar 24.83 4.65 haar 25.08 5.41 haar 24.38 4.22 Daubechies db2 24.72 4.67 db7 25.21 5.51 db3 24.77 4.36 Biorthogonal bior2.4 24.22 4.82 bior6.8 25.05 5.54 bior3.1 23.30 4.46 16 Symlet sym6 24.94 3.45 sym6 26.06 3.73 sym3 25.54 3.23 Haar haar 25.80 3.38 haar 26.03 3.70 haar 25.35 3.16 Daubechies db5 25.34 3.39 db6 26.04 3.73 db3 25.54 3.23 Biorthogonal bior5.5 25.00 3.54 bior2.2 26.02 3.74 bior3.3 24.40 3.27 32 Symlet sym8 25.42 2.50 sym2 26.35 2.59 sym6 25.53 2.39 Haar haar 26.08 2.52 haar 26.33 2.58 haar 25.66 2.37 Daubechies db2 25.80 2.50 db5 26.38 2.60 db3 25.86 2.39 Biorthogonal bior5.5 25.25 2.55 bior2.2 26.29 2.61 bior5.5 25.14 2.39
Table 2. PSNR and compression ratio of reconstructed images with different wavelet basis thresholds in phase hologram
View tableView in ArticleTable 2. PSNR and compression ratio of reconstructed images with different wavelet basis thresholds in phase hologram
Quantization level Types of wavelets Wavelet base name Spatial domain Real and imaginary Amplitude and phase PSNR C PSNR C PSNR C 4 Symlet sym4 14.7051 3.5214 14.8008 3.7922 14.7048 3.5311 Haar haar 14.7227 3.5303 14.7987 3.6784 14.5855 3.5311 Daubechies db1 14.7846 3.5214 14.7987 3.7433 14.7706 3.5311 Biorthogonal bior3.1 14.5967 3.522 14.7526 4.4718 14.5242 3.5172 8 Symlet sym4 20.6168 2.5431 21.1620 2.8384 20.6577 2.5514 Haar haar 20.5226 2.5481 21.1677 2.7782 19.4909 2.5509 Daubechies db1 21.1116 2.5429 21.1677 2.8195 20.6623 2.5514 Biorthogonal bior3.1 20.0105 2.5456 21.1608 3.105 19.7265 2.5443 16 Symlet sym4 25.3730 1.9592 27.1119 2.1547 25.6036 1.9663 Haar haar 25.2863 1.9641 27.0853 2.1175 22.6910 1.9647 Daubechies db1 25.9381 1.9593 27.0853 2.1492 25.7595 1.9778 Biorthogonal bior3.1 23.7251 1.96 27.3020 2.2979 23.2934 1.9594 32 Symlet sym4 28.1979 1.5824 32.0818 1.7066 27.2534 1.5995 Haar haar 27.3988 1.5859 32.3207 1.6841 24.0391 1.5861 Daubechies db1 29.7684 1.583 32.3207 1.7051 28.0677 1.6146 Biorthogonal bior3.1 25.5587 1.5831 30.6591 1.7927 24.7663 1.589
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Tai FU, Aishuai CHEN, Lei HU, Jinbin GUI, Jiaxue WU, Xiaoshi WANG, Luxin XU. Comparison of hologram compression coding based on wavelet transform[J]. Journal of Applied Optics, 2024, 45(1): 99
Paper Information
Category: Research Articles
Received: Apr. 29, 2022
Accepted: --
Published Online: May. 28, 2024
The Author Email: GUI Jinbin (桂进斌（1974—）)
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