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Sledenje očem z uporabo spletne kamere
ID Vranješ, Luka (Author), ID Žabkar, Jure (Mentor) More about this mentor... This link opens in a new window

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Abstract
V diplomski nalogi se soočimo s problemom napovedovanja točke pogleda z uporabo spletne kamere za potrebe aplikacije za zaznavo disleksije. Specifični primer uporabe nam omogoča dodatne omejitve problema. V osnovi je problem razdeljen na dva dela. Prvi del rešimo z metodami računalniškega vida in vključuje zaznavo obraza, interesnih točk in središča zenice. V drugem delu z uporabo globoke nevronske mreže napovemo točko pogleda. Z opravljenimi eksperimenti definiramo parametre kalibracije. V najboljšem primeru smo dobili povprečno napako napovedi v radiju 3,37 cm. To nam pogojno omogoča uporabo predstavljenega pristopa za potrebe aplikacije.

Language:Slovenian
Keywords:računalnik, oči, sledenje, kamera
Work type:Bachelor thesis/paper
Organization:FRI - Faculty of Computer and Information Science
Year:2019
PID:20.500.12556/RUL-110529 This link opens in a new window
COBISS.SI-ID:1538347459 This link opens in a new window
Publication date in RUL:16.09.2019
Views:1597
Downloads:249
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Secondary language

Language:English
Title:Eye-tracking with a web camera
Abstract:
We consider a problem of gaze prediction using a simple webcam for use with an application that screens for dyslexia. The specific use case enables us to define additional boundaries that simplify our problem. On a higher level the problem is composed of two sub problems. The first one requires us to detect the users face, find its landmarks and in the end locate the eye center. We solve this as a computer vision problem. The second sub problem is mapping the features to a point on the screen. For this we used a deep neural network. For optimal results we preform experiments on how to most efficiently calibrate. In the best test case we were able to achieve an average of 3,37 cm prediction error. This puts our approach at most conditionally suitable for use with the target application.

Keywords:computer, eyes, tracking, webcam

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