Optics and Precision Engineering, Volume. 32, Issue 20, 3112(2024)
Image compression algorithm for fuze radome deformation images
Figures & Tables(20)
Fig. 3. Overall flowchart of image compression algorithm in this paper
Fig. 6. Comparison of decompressed images with 1-weighted and 1.2-weighted
Fig. 7. Comparison of compression magnification 13.89 times high frequency wavelet coefficients subband weights 1 and 0 decompression reconstructed image
Fig. 13. Comparison of the effect of different compression algorithms
Table 1. Energy distribution of subbands at different wavelet decomposition levels
View tableView in ArticleTable 1. Energy distribution of subbands at different wavelet decomposition levels
小波子带 LL4 HL4 LH4 HH4 HL3 LH3 HH3 HL2 LH2 HH2 HL1 LH1 HH1 Energy 21 813 4 799 4 716 1 066 3 295 3 304 429 2 279 2 293 167 0 0 0
Table 2. Signal-to-noise ratio of decompressed images with wavelet coefficients subband weights 0 and 1 at different compression multiplicities
View tableView in ArticleTable 2. Signal-to-noise ratio of decompressed images with wavelet coefficients subband weights 0 and 1 at different compression multiplicities
压缩倍率 12.65 13.89 15.38 17.85 19.23 SNR（权重0） 36.96 35.88 34.45 32.96 30.56 SNR（权重1） 33.45 32.21 30.97 29.48 27.08
Table 3. Table of subbands weighting enhancement for wavelet transform
View tableView in ArticleTable 3. Table of subbands weighting enhancement for wavelet transform
子带 HL1 LH1 HH1 剩余子带 权重 0 0 0 1
Table 4. Table of spatial orientation tree node
View tableView in ArticleTable 4. Table of spatial orientation tree node
名称 分类标准 O（i，j） 根节点所有Children节点的坐标集，
O（i，j）=｛（2i，2j），（2i，2j+1），（2i+1，2j），
（2i+1，2j+1）｝；
D（i，j） 根节点所有后代节点的坐标集，
包括Children，Grandchildren，Great-Grandchildren节点；
H（i，j） 所有Parent根节点的坐标集合，
H（i，j）=｛LL4，LH4，HL4，HH4｝；
L（i，j） 根节点所有间接后代节点，
L（i，j）=D（i，j）-O（i，j）
Table 5. Comparison of compression performance of this paper’s algorithm， SPIHT， CCSDS， and JPEG2000
View tableView in ArticleTable 5. Comparison of compression performance of this paper’s algorithm， SPIHT， CCSDS， and JPEG2000
图像
类型
压缩
倍率
本文算法 SPIHT CCSDS JPEG2000 SSIM PSNR/dB SSIM PSNR/dB SSIM PSNR/dB SSIM PSNR/dB 基准
圆环
图像
3.03 0.996 5 ② 46.121 32 0.988 8 ③ 41.235 23 0.971 4 ④ 38.835 84 0.997 1① 46.424 1 14.01 0.995 6 44.336 0 0.976 5 39.564 8 0.956 7 38.062 5 0.994 8 43.546 6 5.28 0.994 2 43.478 5 0.958 2 38.374 3 0.936 4 37.687 2 0.992 3 42.896 2 6.22 0.991 7 42.801 9 0.932 8 37.224 9 0.911 3 34.948 1 0.990 7 41.656 9 7.20 0.990 4 41.624 7 0.923 4 36.568 1 0.903 9 34.173 5 0.989 4 41.075 9 8.47 0.983 4 ② 40.922 32 0.919 7 ③ 35.141 43 0.885 0 ④ 33.389 64 0.985 7① 40.949 7 19.41 0.975 7 39.475 5 0.893 0 33.975 9 0.864 7 32.497 9 0.974 8 39.352 0 形变
圆环
图像
3.03 0.996 1 ② 45.971 42 0.984 4 ③ 40.235 23 0.977 2 ④ 38.586 84 0.996 8① 45.980 5 14.01 0.995 5 44.847 9 0.974 3 39.524 0 0.953 9 38.038 2 0.994 7 43.928 6 5.28 0.994 1 43.009 5 0.947 6 37.848 8 0.933 5 37.356 1 0.992 8 41.895 9 6.22 0.992 5 41.868 7 0.934 3 37.390 8 0.912 9 34.565 7 0.990 1 40.428 6 7.20 0.990 6 40.374 3 0.913 2 34.721 8 0.908 4 34.420 4 0.988 4 39.834 5 8.47 0.987 6 39.349 0 0.905 1 34.037 6 0.887 9 33.257 4 0.984 8 39.239 6 9.41 0.977 0 ② 38.368 22 0.885 8 ③ 32.891 83 0.864 8 ④ 32.415 54 0.980 4① 38.919 4 1
Table 6. Comparison of compression times for different compression algorithms at a compression ratio of 8.47x
View tableView in ArticleTable 6. Comparison of compression times for different compression algorithms at a compression ratio of 8.47x
压缩算法 基准圆环图像 形变圆环图像 SSIM PSNR/dB 压缩时间/s SSIM PSNR/dB 压缩时间/s 本文算法 0.983 4 40.922 3 3.888 6 0.987 6 39.349 0 3.883 4 SPIHT 0.919 7 35.141 4 3.829 6 0.905 1 34.037 6 3.358 4 CCSDS 0.885 0 33.389 6 2.912 7 0.887 9 33.257 4 2.936 7 JPEG2000 0.985 7 40.949 7 6.015 4 0.984 8 39.239 6 5.997 8
Table 7. Comparison of parameterless sharpness for different compression algorithms at a compression ratio of 8.47x
View tableView in ArticleTable 7. Comparison of parameterless sharpness for different compression algorithms at a compression ratio of 8.47x
压缩算法 基准圆环图像 形变圆环图像 本文算法 45.844 45.705 SPIHT 36.542 36.495 CCSDS 30.375 30.242 JPEG2000 43.778 43.736
Tools
Get Citation
Copy Citation Text
Haoyang ZHANG, Fan WANG, Senmu SHAO, Hui TIAN, Rui CHEN. Image compression algorithm for fuze radome deformation images[J]. Optics and Precision Engineering, 2024, 32(20): 3112
Paper Information
Category:
Received: May. 21, 2024
Accepted: --
Published Online: Jan. 10, 2025
The Author Email: WANG Fan (wangfan@xatu.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20