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Proceedings Paper

Radiometric noise in digitized photographs
Author(s): Hermann Diehl
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Paper Abstract

The effects of the graininess of the photographic emulsion on the radiometric noise of the digital data are investigated, particu- larly the degradation of the precision of point matching in stereo pairs. For small pixel sizes, e.g. 7.5 pm in the new Zeiss digiti- zer, the radiometric noise due to graininess can amount to more than 20 per cent of signal. In contrast to that the radiometric noise of a directly rasterizing CCD-camera usually is only a few thousands of the signal.

Paper Details

Date Published: 1 August 1990
PDF: 10 pages
Proc. SPIE 1395, Close-Range Photogrammetry Meets Machine Vision, 13953H (1 August 1990); doi: 10.1117/12.2294368
Show Author Affiliations
Hermann Diehl, Messerschmitt-Boelkow-Blohm GmbH (Germany)

Published in SPIE Proceedings Vol. 1395:
Close-Range Photogrammetry Meets Machine Vision
Armin Gruen; Emmanuel P. Baltsavias, Editor(s)

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