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Artificial data for Image classification in industrial applications
2022 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Machine learning and AI are growing rapidly and they are being implemented more often than before due to their high accuracy and performance. One of the biggest challenges to machine learning is data collection. The training data is the most important part of any machine learning project since it determines how the trained model will behave.

In the case of object classification and detection, capturing a large number of images per object is not always possible and can be a very time-consuming and tedious process. This thesis explores options specific to image classification that help reducing the need to capture many images per object while still keeping the same performance accuracy.

In this thesis, experiments have been performed with the goal of achieving a high classification accuracy with a limited dataset. One method that is explored is to create artificial training images using a game engine. Ways to expand a small dataset such as different data augmentation methods, and regularization methods, are also employed.

Abstract [sv]

Maskininlärning och AI växer snabbt och de implementeras allt oftare på grund av deras höga noggrannhet och prestanda. En av de största utmaningarna för maskininlärning är datainsamling. Träningsdata är den viktigaste delen av ett maskininlärningsprojekt eftersom den avgör hur den tränade modellen kommer att bete sig.

När det gäller objektklassificering och detektering är det inte alltid möjligt att ta många bilder per objekt och det kan vara en process som kräver mycket tid och arbete. Det här examensarbetet utforskar alternativ som är specifika för bildklassificering som minskar behovet av att ta många bilder per objekt samtidigt som prestanda bibehålls.

I det här examensarbetet, flera experiment har utförts med målet att uppnå en hög klassificeringsprestanda med en begränsad dataset. En metod som utforskas är att skapa träningsbilder med hjälp av en spelmotor. Metoder för att utöka antal bilder i ett litet dataset, som data augmenteringsmetoder och regleringsmetoder, används också.

Place, publisher, year, edition, pages
2022. , p. 49
Keywords [en]
Synthetic data, artificial data, object detection, image classification, artificial intelligence, machine learning, neural networks, convolutional neural networks, ResNet, ResNet50
National Category
Engineering and Technology Computer Engineering Computer Sciences
Identifiers
URN: urn:nbn:se:hh:diva-47325OAI: oai:DiVA.org:hh-47325DiVA, id: diva2:1675391
External cooperation
HMS Industrial Networks AB
Subject / course
Computer science and engineering
Educational program
Computer Science and Engineering, 300 credits
Supervisors
Examiners
Available from: 2022-06-05 Created: 2022-06-22 Last updated: 2025-10-01Bibliographically approved

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Engineering and TechnologyComputer EngineeringComputer Sciences

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CiteExportLink to record
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Citation style
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