Human Eye Pupil Detection Technique Using Circular Hough Transform

S. Divya; A. D. Dhivya

doi:https://doi.org/10.51976/ijari.721911

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Human Eye Pupil Detection Technique Using Circular Hough Transform

S. Divya, A. D. Dhivya

Vol 7 , Issue 2 , April - June 2019 | Pages: 72-76 | Research Paper

https://doi.org/10.51976/ijari.721911

Received: January 01, 2019 | Revised: March 20, 2019 | Accepted: April 28, 2019 | Published Online: June 15, 2019

Author Details ( * ) denotes Corresponding author

1. * S. Divya, Department of Electronics and Communication Engineering, Gnanamani College of Technology, Tamil Nadu, India (divyasundarraj1996@gmail.com)

2. A. D. Dhivya, Department of Electronics and Communication Engineering, Gnanamani College of Technology, Tamil Nadu, India (divyawin@gmail.com)

Eye tracking refers to measure gaze positions and movement to reveal what individuals are looking at. Thanks to the advances of eye tracking technology, there are growing numbers of research focus in using eye tracking to study human behavior. In order to improve the accuracy of the eye gaze tracking technology, this paper presents a novel pupil detection algorithm based on intensity level with canny edge detection technique. Field programmable logic array (FPGA) based hardware implementation of the proposed technique is presented, which can be used in iris localization system on FPGA based platforms for iris recognition application.Threshold based pupil detection algorithm was found to be most efficient method to detect human eye. An implementation of a real-time system on an FPGA board to detect and track a human’s eye is the main motive to obtain from proposed work. The Pupil detection algorithm involved thresholding and image filtering. The Pupil location was identified by computing the center value of the detected region.

Keywords

Pupil Detection; Hough Transform; Canny Edge Detection.

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