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Distance Estimation for Endoscopy Based on Depth Detection in the Small Intestine Using Image Processing techniques

In recent years, three-dimensional measurement techniques have been widely used in medical sciences, and thus, depth detection in an image plays an important role in computer vision applications. In this paper, we discuss the estimation of the distance between the head of an endoscope and the small intestine septum and its problems. The main objective is to detect the depth of the small intestine to estimate distance. Images were collected through video sampling, and then the data are preprocessed. Morphological reconstruction, bounding box, Convex Hull, and Euclidean distance are employed to update the mentioned distance. At the end of this process, the outputs are simulated, and we are given the output distance in centimeters. This method will assist the endoscope to move inside the small intestine without injuries.