Image Processing Techniques for Analysing Food Grains

Food consumed in daily diet consists of fruits, cereal grains and spices. Cereal grains are considered to be the most important part as it meets the nutrition needs of the human population. It is necessary to check the quality of food before consuming as it directly impacts on health. Amongst the various food analysis techniques this paper focuses on a semi-automated, an image processing and two machine learning techniques with their advantages and limitations.