Raspberry Pi AWB determination methods and their statistical analyses

Tutkimustuotos: KirjaCommissioned report

Abstrakti

The determination of a correct auto white balance (AWB) parameters in photography are essential for good color reproducibility and invariance in the same lightning conditions. The easiest way to determine AWB gains is to read the camera's AWB gain values. However, this paper demonstrates that the gray card calibration method is more accurate than the built-in AWB method. The major disadvantage of gray card calibration is the time consumption compared to an AWB reading. Two optimized gray card calibration methods are also presented as a much faster methods than the traditional and slow exhaustive search method.
AlkuperäiskieliEnglanti
KustantajaAalto-yliopisto
Sivumäärä36
ISBN (elektroninen)978-952-64-1434-8
TilaJulkaistu - 2023
OKM-julkaisutyyppiD4 Julkaistu kehittämis- tai tutkimusraportti taikka -selvitys

Julkaisusarja

NimiAalto University publication series SCIENCE + TECHNOLOGY
ISSN (elektroninen)1799-490X

Sormenjälki

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