In recent years, machine vision has been found increasingly
useful in agricultural and food industry, especially for applications
in quality inspection, meeting quality standards, and increasing
market value. In fact, machine vision is the most effective toolfor measuring external features such as color intensity, color
homogeneity, bruises, size, shape, and stem identification. The
use of machine vision is also gaining interest for the determination
of physical attributes of fruits and irregular-shaped objects, because
it is a nondestructive method requiring image analyses and
image processing procedures. Forbes and Tattersfield (1999) developed
a combined machine vision and neural network technique for
the estimation of pear volume from the 2-D digital images. Hahn
and Sanchez (2000) developed an imaging algorithm to measure
the volume of non-circular shaped agricultural products such as
carrots. Sabliov et al. (2002) and Wang and Nguang (2007) used
image processing techniques to compute the volume and surface
area of axi-symmetric agricultural products. Lee et al. (2003) and
Eifert et al. (2006) have adopted the machine vision approach
and developed imaging systems for estimating the volume for
irregular-shaped agricultural products using radial projections.
Koc (2007) determined the volume of watermelon using ellipsoid
approximation and image processing. Khojastehnazhand et al.
(2009) have developed and tested machine vision and image processing
for computing surface area and volume of axi-symmetrical
agricultural products.
In recent years, machine vision has been found increasingly
useful in agricultural and food industry, especially for applications
in quality inspection, meeting quality standards, and increasing
market value. In fact, machine vision is the most effective toolfor measuring external features such as color intensity, color
homogeneity, bruises, size, shape, and stem identification. The
use of machine vision is also gaining interest for the determination
of physical attributes of fruits and irregular-shaped objects, because
it is a nondestructive method requiring image analyses and
image processing procedures. Forbes and Tattersfield (1999) developed
a combined machine vision and neural network technique for
the estimation of pear volume from the 2-D digital images. Hahn
and Sanchez (2000) developed an imaging algorithm to measure
the volume of non-circular shaped agricultural products such as
carrots. Sabliov et al. (2002) and Wang and Nguang (2007) used
image processing techniques to compute the volume and surface
area of axi-symmetric agricultural products. Lee et al. (2003) and
Eifert et al. (2006) have adopted the machine vision approach
and developed imaging systems for estimating the volume for
irregular-shaped agricultural products using radial projections.
Koc (2007) determined the volume of watermelon using ellipsoid
approximation and image processing. Khojastehnazhand et al.
(2009) have developed and tested machine vision and image processing
for computing surface area and volume of axi-symmetrical
agricultural products.
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