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Scientific Programming
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2021
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Article
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Fig 3
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Research Article
Accurate Quaternion Polar Harmonic Transform for Color Image Analysis
Figure 3
Comparison of reconstructed images for Lena, w.r.t. PSNR and SSIM. From top to down are QZM, QPHT, QPHFM, QRHFM, and our AQPHT, respectively.