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Raziskava posploševanja globokih modelov prepoznave objektov naučenih na sintetičnih podatkovnih setih
ID Šketa, Tilen (Author), ID Bračun, Drago (Mentor) More about this mentor... This link opens in a new window

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Abstract
V magistrskem delu je bila raziskana uporaba sintetično generiranih slik za učenje globokih modelov prepoznave in segmentacije objektov v industrijskih scenarijih, kjer pomanjkanje kakovostno označenih slik predstavlja ključno oviro. Razvita programska oprema omogoča samodejno generiranje realističnih slik iz CAD modelov ter pripadajočih oznak, pri čemer je mogoče prilagajati raznolikost, kompleksnost in osvetlitev prizorov. Rezultati kažejo, da modeli, naučeni izključno na sintetičnih podatkih, uspešno prepoznavajo osnovne značilnosti objektov, vendar imajo omejeno sposobnost posploševanja na realne slike, kar se bistveno izboljša z dodatnim učenjem na manjšem naboru realnih podatkov. Ugotovljeno je, da raznolikost in realističnost sintetičnih slik pomembno vplivata na prenosljivost modelov, kombinacija sintetičnih in realnih podatkov pa predstavlja učinkovit pristop za razvoj natančnih in robustnih sistemov računalniškega vida.

Language:Slovenian
Keywords:strojni vid, globoko učenje, prepoznava objektov, segmentacija objektov, sintetične slike
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Year:2025
Number of pages:XX, 50 str.
PID:20.500.12556/RUL-177226 This link opens in a new window
UDC:621.397.33:004.9(043.2)
COBISS.SI-ID:261986051 This link opens in a new window
Publication date in RUL:18.12.2025
Views:254
Downloads:147
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Secondary language

Language:English
Title:Research on generalization of deep object recognition models trained on synthetic datasets
Abstract:
The master's thesis examined the use of synthetically generated images to train deep learning models for object detection and segmentation in industrial contexts, where the shortage of high-quality annotated images is a significant obstacle. The developed software enables automatic generation of realistic images from CAD models, together with corresponding annotations, allowing customisation of scene diversity, complexity, and lighting conditions. The results indicate that models trained exclusively on synthetic data can learn basic object characteristics but have limited ability to generalise to real images, which improves significantly with additional training on a smaller set of real data. The study found that the diversity and realism of synthetic images greatly affect model transferability, while combining synthetic and real data is an effective approach for developing accurate and robust computer vision systems.

Keywords:machine vision, deep learning, object detection, object segmentation, synthetic images

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