Implementation of Image Segmentation on Digital Images using Modified Otsu Algorithm
Brijesh Shah1, Akshaya Patel2, Satish Shah3

1Brijesh Shah, PG Student, V.T. Patel Department of Electronics and Communication Engineering,  India.
2Akshaya Patel, Associate Professor, C S. Patel Institute of Technology, Charusat, Changa, Gujarat, India.
3Satish Shah, Professor M. S. University, Baroda, Gujarat, India.

Manuscript received on May 01, 2012. | Revised Manuscript received on May 29, 2012. | Manuscript Published on June 10, 2012. | PP: 7-9 | Volume-1 Issue-1, June 2012. | Retrieval Number: A106051112/2012©BEIESP
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Abstract: The first step in image analysis is segment the image. Segmentation subdivides an image into its constituent regions or objects. Among all Segmentation Techniques, the Thresholding methods are widely used because of their advantages of simple implement and time saving. Thresholding method is based on a threshold value. The key of this method is to select the threshold value. An Otsu method is one of the superior threshold selection methods. Image segmentation based on Otsu’s method and modified Otsu algorithms are thoroughly presented in the paper. 
Keywords: Image segmentation, Threshold selection, Histogram, Otsu’s method.