Computer simulation and implementation of a visual 3-d eye gaze tracker for autostreoscopic displays

Download

index.pdf

Date

2009

Author

İnce, Kutalmış Gökalp

Metadata

Show full item record

Item Usage Stats

167
views

47
downloads

In this thesis, a visual 3-D eye gaze tracker is designed and implemented to tested via computer simulations and on an experimental setup. Proposed tracker is designed to examine human perception on autostereoscopic displays when the viewer is 3m away from such displays. Two different methods are proposed for calibrating personal parameters and gaze estimation, namely line of gaze (LoG) and line of sight (LoS) solutions. 2-D and 3-D estimation performances of the proposed system are observed both using computer simulations and the experimental setup. In terms of 2-D and 3-D performance criteria, LoS solution generates slightly better results compared to that of LoG on experimental setup and their performances are found to be comparable in simulations. 2-D estimation inaccuracy of the system is obtained as smaller than 0.5° during simulations and approximately 1° for the experimental setup. 3-D estimation inaccuracy of the system along x- and y-axis is obtained as smaller than 2° during the simulations and the experiments. However, estimation accuracy along z-direction is significantly sensitive to pupil detection and head pose estimation errors. For typical error levels, 20cm inaccuracy along z-direction is observed during simulations, whereas this inaccuracy reaches 80cm in the experimental setup.

Subject Keywords

Electrical engineering.

URI

http://etd.lib.metu.edu.tr/upload/12611343/index.pdf
https://hdl.handle.net/11511/19194

Collections

Graduate School of Natural and Applied Sciences, Thesis

Suggestions

OpenMETU
Core

Parameter extraction and image enhancement for catadioptric omnidirectional cameras Baştanlar, Yalın; Çetin, Yasemin; Department of Information Systems (2005) In this thesis, catadioptric omnidirectional imaging systems are analyzed in detail. Omnidirectional image (ODI) formation characteristics of different camera-mirror configurations are examined and geometrical relations for panoramic and perspective image generation with common mirror types are summarized. A method is developed to determine the unknown parameters of a hyperboloidal-mirrored system using the world coordinates of a set of points and their corresponding image points on the ODI. A linear relati...
Java applets for simulation of magnetic resonance imaging Altın, Çağdaş; Gençer, Nevzat Güneri; Department of Electrical and Electronics Engineering (2008) The aim of this study is to develop an easily accessible and realistic magnetic resonance imaging (MRI) simulation tool for educational and research purposes. With this aim, NMR (nuclear magnetic resonance imaging) phenomenon is simulated based on the physical principles, starting from the motion of a spin under the influence of external magnetic fields to pulse sequences generating the image. The inputs of the simulation are a 3D virtual object and a pulse sequence definition. The simulation software gener...
Hardware implementation of an active feature tracker for surveillance applications Solmaz, Berkan; Akar, Gözde; Department of Electrical and Electronics Engineering (2008) The integration of image sensors and high performance processors into embedded systems enabled the development of intelligent vision systems. In this thesis, we developed an active autonomous system to be used for surveillance applications. The proposed system detects a single moving object in the field of view automatically and tracks it in a wide area by controlling the pan-tilt-zoom features of the camera. The system can also go to an alarm state to warn the user. The processing unit of the system is a T...
Dynamic system modeling and state estimation for speech signal Özbek, İbrahim Yücel; Demirekler, Mübeccel; Department of Electrical and Electronics Engineering (2010) This thesis presents an all-inclusive framework on how the current formant tracking and audio (and/or visual)-to-articulatory inversion algorithms can be improved. The possible improvements are summarized as follows: The first part of the thesis investigates the problem of the formant frequency estimation when the number of formants to be estimated fixed or variable respectively. The fixed number of formant tracking method is based on the assumption that the number of formant frequencies is fixed along the ...
Real-time detection and tracking of human eyes in video sequences Savaş, Zafer; Halıcı, Uğur; Department of Electrical and Electronics Engineering (2005) Robust, non-intrusive human eye detection problem has been a fundamental and challenging problem for computer vision area. Not only it is a problem of its own, it can be used to ease the problem of finding the locations of other facial features for recognition tasks and human-computer interaction purposes as well. Many previous works have the capability of determining the locations of the human eyes but the main task in this thesis is not only a vision system with eye detection capability; Our aim is to des...

Citation Formats

K. G. İnce, “Computer simulation and implementation of a visual 3-d eye gaze tracker for autostreoscopic displays,” M.S. - Master of Science, Middle East Technical University, 2009.