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Importance of Saturated Color Samples: CQS versus CRI – A Comparative Study

This study compares 8 sample versions of saturated color samples optimized for CRI Ra and CQS Qf2. Experiment conducted on 8 naive subjects focusing on object chroma and skin tone evaluation. Results show a correlation between visual rating and scores.

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Importance of Saturated Color Samples: CQS versus CRI – A Comparative Study

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Presentation Transcript

  1. Why we need saturated color samples (CQS 8 sample versions) <Saturated color samples> <CRI samples>

  2. 8 samples vs. 15 samples Optimized for CRI Ra (8 samples) Ra=89/Qf2=83 6 point difference Optimized for CQS Qf2 (15 samples) Ra=83/Qf2=85 2 point difference

  3. Experiment on object chroma saturation 8 naive subjects Observation: 1) Objects in the room 2) Skin tone (hands and face)

  4. Results

  5. Room evaluation

  6. Skin tone evaluation

  7. Score vs. Visual rating Correlation

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