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Full-reference quality metrics evaluated on Equirectangular 360° images

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README.md		README.md
constant.py		constant.py
main.py		main.py
metrics.py		metrics.py
sphere_655362.txt		sphere_655362.txt

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Quality-Metrics-Evaluation

A set of full reference (FR) quality metric tested for 360° image quality assessment using equirectangular (ERP) format.

List of considered metrics

PSNR (Peak to Signal Noise Ratio)
WS-PSNR (Weighted Spherical Peak to Signal Noise Ratio)
S-PSNR (Spherical Peak to Signal Noise Ratio)
S-PSNR-NN (Spherical Peak to Signal Noise Ratio Near Neighbor)
SSIM (Structural Similarity Index)
MS-SSIM (Multi-Scale Structural Similarity Index)
GMSD (Gradient Magnitude Similarity Deviation)
VIFp (Visual Information FidelityP)
MAE (Mean Absolute Error)
RMSE (Root Mean Squared Error)
PAMSE (Perceptual Fidelity Aware Mean Squared Error)
RECO (Relative Edge Coherence)

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Full-reference quality metrics evaluated on Equirectangular 360° images

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