Fuzzy-Rule-Based Object Identification Methodology for NAVI System

• Main Authors: Yaacob Sazali, Nagarajan R, Sainarayanan G, Porle Rosalyn R
• Format: Article
• Language: English
• Published: SpringerOpen 2005-01-01
• Series: EURASIP Journal on Advances in Signal Processing
• Subjects: blind navigation; edge detection; object identification; fuzzy-rule-based; stereo sound
• Online Access: http://dx.doi.org/10.1155/ASP.2005.2260

<p/> <p>We present an object identification methodology applied in a navigation assistance for visually impaired (NAVI) system. The NAVI has a single board processing system (SBPS), a digital video camera mounted headgear, and a pair of stereo earphones. The captured image from the camera is processed by the SBPS to generate a specially structured stereo sound suitable for vision impaired people in understanding the presence of objects/obstacles in front of them. The image processing stage is designed to identify the objects in the captured image. Edge detection and edge-linking procedures are applied in the processing of image. A concept of object preference is included in the image processing scheme and this concept is realized using a fuzzy-rule base. The blind users are trained with the stereo sound produced by NAVI for achieving a collision-free autonomous navigation.</p>