Radiometric noise in digitized photographs

Hermann Diehl

doi:10.1117/12.2294368

1 August 1990 Radiometric noise in digitized photographs

Hermann Diehl

Proceedings Volume 1395, Close-Range Photogrammetry Meets Machine Vision; 13953H (1990) https://doi.org/10.1117/12.2294368
Event: Close-Range Photogrammetry Meets Machine Vision, 1990, Zurich, Switzerland

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.

Citation Download Citation

Hermann Diehl "Radiometric noise in digitized photographs", Proc. SPIE 1395, Close-Range Photogrammetry Meets Machine Vision, 13953H (1 August 1990); https://doi.org/10.1117/12.2294368

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