In food handling industry, grading of
granular food materials is necessary because samples of
material are subjected to adulteration. In the past, food
products in the form of particles or granules were passed
through sieves or other mechanical means for grading
purposes. In this paper, analysis is performed on basmati
rice granules; to evaluate the performance using image
processing and Neural Network is implemented based on
the features extracted from rice granules for classification
grades of granules. Digital imaging is recognized as an
efficient technique, to extract the features from rice
granules in a non-contact manner. Images are acquired for
rice using camera. Conversion to gray scale, Median
smoothing, Adaptive thresholding, Canny edge detection,
Sobel edge Detection, morphological operations, extraction
of quantitative information are the checks that are
performed on the acquired image using image processing
technique through Open source Computer Vision (Open
CV) which is a library of functions that aids image
processing in real time. The morphological features
acquired from the image are given to Neural Network.
This work has been done to identify the relevant quality
category for a given rice sample based on its parameters.
The performance of image processing reduced the time of
operation and improved the crop recognition greatly.
Grading results obtained from Neural Network system
shows greater accuracy when compared with the outputs
from human experts.