Reference set
Known-source images establish the candidate sensor residual.
PRNU Attribution
MEDIA[GUIDED PRODUCT VIEW]
Use sensor pattern noise to test whether questioned imagery is consistent with an enrolled physical camera source.
DFT / 05
GUIDED PRODUCT VIEW
SOURCE-CAMERA LAB
Is the questioned image consistent with an enrolled physical camera reference set?
Correlation, PCE, CCN, peak ratio, crop reliability, and alternative explanations stay visible.
EVIDENCE LAB / PRNU ATTRIBUTIONGUIDED PRODUCT VIEW · ILLUSTRATIVE DATA
The guided sample supports a same-camera hypothesis within stated thresholds.
SOURCE-CAMERA LABThe guided sample supports a same-camera hypothesis within stated thresholds.
Build qualities.
ENROLL
Collect 3–20 original images from one known camera.
Correlation, PCE, CCN, peak ratio, crop reliability, and alternative explanations stay visible.
BUILT TO SUPPORT
Source-camera comparison. Reference-set governance. Reproducible test kits.
PRNU tests a same-camera hypothesis. Failure is inconclusive, and the method does not determine whether content is real, fake, or AI-generated.
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