4. Optics: eye examining, vision testing and correcting
  5. Eye examining or testing instrument
  6. Subjective type

Henning E. von Gierke

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Image enhancement using on-line spatial filtering

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
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Measurement of visual contrast sensitivity

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
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Profile ID: LFUS-PAI-P-1473922

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