Blar i NTNU Open på forfatter "Falkenstern, Kristyn"
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Measurement of CIELAB spatio-chromatic contrast sensitivity in different spatial and chromatic directions
Kitanovski, Vlado; Reed, Alastair; Falkenstern, Kristyn; Pedersen, Marius (Journal article, 2019)This paper presents data on CIELAB chromatic contrast sensitivity collected in a psychophysical experiment. To complement previously published data in the low-frequency range, we selected five spatial frequencies in the ... -
Using watermark visibility measurements to select an optimized pair of spot colors for use in a binary watermark
Reed, Alastair; Kitanovski, Vlado; Falkenstern, Kristyn; Pedersen, Marius (Peer reviewed; Journal article, 2020)Spot colors are widely used in the food packaging industry. We wish to add a watermark signal within a spot color that is readable by a Point Of Sale (POS) barcode scanner which typically has red illumination. Some spot ...