Resolution Impact Study

Study how input resolution affects compression efficiency across different image formats (JPEG, WebP, AVIF, JPEG XL). Tests the same images at multiple downscaled resolutions to understand resolution-dependent performance characteristics. Quality settings are chosen to target around 80 SSIMULACRA2 score for each format at the original resolution.

Dataset: div2k-valid (100 images) · 3600 measurements · Formats: AVIF, JPEG, JXL, WEBP

Tool Versions
ToolVersion
ssimulacra2available
butteraugliavailable
ffmpeg7.1.3-0+deb13u1
cjpeg2.1.5
cwebp1.5.0
avifenc1.3.0
cjxl0.11.2

SSIMULACRA2 vs BPP

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BUTTERAUGLI vs BPP

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PSNR vs BPP

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SSIM vs BPP

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SSIMULACRA2 vs Resolution

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BUTTERAUGLI vs Resolution

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PSNR vs Resolution

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SSIM vs Resolution

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BITS PER SSIMULACRA2 PER PIXEL vs Resolution

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BITS PER BUTTERAUGLI PER PIXEL vs Resolution

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BITS PER PSNR PER PIXEL vs Resolution

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BITS PER SSIM PER PIXEL vs Resolution

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BPP vs Resolution

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ENCODING TIME PER PIXEL vs Resolution

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