In this study, a novel image processing approach based on the combination of Radon transform, pseudo
Fourier–Mellin transform, and Fourier spectrum-based fractal dimension was proposed to exclude the
undesirable effects of samples structural and positional changes on the image texture features. Images
were obtained using a dryer equipped with perpendicular dual-view computer vision system (CVS) at
hot air drying (HAD) temperatures of 50_90 _C and superheated steam drying (SSD) temperatures of
110_120 _C. Three drying medium velocities in the range of 1_2 m/s were adjusted for each drying temperature.
Unlike the drying medium velocity, the drying medium temperature had a significant effect on
the visual texture parameters of the shrimp batch. The zero-order and fractional conversion models along
with a modified Arrhenius model were found as the best models for explaining the kinetics of the visual
texture features and the temperature dependency of their constants, respectively. Eventually, the linear
and cubic regression models satisfactorily correlated the image texture features with the moisture ratio
and geometrical attributes of the samples, respectively.
In this study, a novel image processing approach based on the combination of Radon transform, pseudoFourier–Mellin transform, and Fourier spectrum-based fractal dimension was proposed to exclude theundesirable effects of samples structural and positional changes on the image texture features. Imageswere obtained using a dryer equipped with perpendicular dual-view computer vision system (CVS) athot air drying (HAD) temperatures of 50_90 _C and superheated steam drying (SSD) temperatures of110_120 _C. Three drying medium velocities in the range of 1_2 m/s were adjusted for each drying temperature.Unlike the drying medium velocity, the drying medium temperature had a significant effect onthe visual texture parameters of the shrimp batch. The zero-order and fractional conversion models alongwith a modified Arrhenius model were found as the best models for explaining the kinetics of the visualtexture features and the temperature dependency of their constants, respectively. Eventually, the linearand cubic regression models satisfactorily correlated the image texture features with the moisture ratioand geometrical attributes of the samples, respectively.
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