ATLAS CLARUS TRACE
BEFORE / AFTER Compare
The AFTER image contains a small, deterministic digital perturbation. It is not a print simulation and the signature is not a measured print spectrum.
Global comparison values are available. Interactive pixel and ROI analysis loads in the browser.
RGB pixels changed32.953 %
Atlas identities changed8.501 %
Signature max |Δ|0.001292070
Strongest signature shift640 nm
BEFORE — documented digital reference
AFTER — registered observation
Difference Map
Atlas-Derived Image Signature — Whole image
BEFORE
AFTER
Whole-image comparison
Identity retention91.499 %
Identity change8.501 %
ΔE00 mean0.248
ΔE00 P951.984
ΔE00 maximum19.616
Measured QCNOT_MEASURED
Pixel inspector
- Position
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- BEFORE RGB
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- source_atlas_row_id
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- BEFORE reference
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- AFTER RGB
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- after_observation_atlas_row_id
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- AFTER reference
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- Identity changed
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- post-hoc ΔE00
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- Atlas spectral RMS
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- Strongest spectral shift
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- Max |Δ reflectance|
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- Physical QC
- NOT_MEASURED
ROI analysis
ROI—
Identity change—
ΔE00 mean—
ΔE00 maximum—
Spectral RMS mean—
Strongest signature shift—