Fig. 8From: Land-based crop phenotyping by image analysis: consistent canopy characterization from inconsistent field illuminationManual versus automatic exposure settings. a, b Show images of the colour checker in the field under bright illumination, imaged with automatic and manual exposure settings, respectively. c, d Show images of the colour checker in the field during overcast conditions, imaged with automatic and manual exposure settings, respectively. e, f Show the difference in colour values after the illumination has varied when using automatic and manual exposure settings, without and with colour correction, respectivelyBack to article page