Image enhancement of lemon grasses using image processing techniques (histogram equalization)

Abstract

Lemon grass a type of medicinal plants has been part of human existence and has been applied in so many ways, like for healing, for drugs and for protection. In this paper, the conventional Histogram Equalization has been used to improve the images of the lemon grasses. MATLAB software was used to display the Histogram as well as the Histogram Equalization of the image of the lemon grasses. Image processing techniques to be used here is Histogram Equalization. The Histogram Equalization is considered, since it is one of the techniques in the enhancement of images and as such is being applied to the medicinal herb which in particular is the lemon grasses. The Histogram Equalization technique used may be seen as a conventional technique but the results obtained demonstrates its capability to improve the appearance of images by bringing out hidden details. The performance of the technique also shows that it is a better method in comparison to other types of Histogram Equalization methods.