Mohana S.H.

Work place: Dept. of P.G Studies and Research in Computer Science, Kuvempu University, Shankaraghatta-577451, Shimoga, Karnataka, India



Research Interests: Image Processing, Computer Architecture and Organization, Computer Vision, Computer systems and computational processes


Mohana S.H. received his M.Sc. degree in Computer Science from Kuvempu University, Karnataka, India in 2010. He is currently pursuing his Ph.D. in Kuvempu University, Karnataka, India. His research interests are image processing, computer vision and machine vision.

Author Articles
Automatic Detection of Surface Defects on Citrus Fruit based on Computer Vision Techniques

By Mohana S.H. Prabhakar C.J.

DOI:, Pub. Date: 8 Aug. 2015

In this paper, we present computer vision based technique to detect surface defects of citrus fruits. The method begins with background removal using k-means clustering technique. Mean shift segmentation is used for fruit region segmentation. The candidate defects are detected using threshold based segmentation. In this stage, it is very difficult to differentiate stem-end from actual defects due to similarity in appearance. Therefore, we proposed a novel technique to differentiate stem-end from actual defects based on the shape features. We conducted experiments on our citrus data set captured in controlled environment. The experiment results demonstrate that our technique outperforms the existing techniques.

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