Development of a perception oriented texture-based image retrieval system for wallpapers.

Qian, Yu (2008) Development of a perception oriented texture-based image retrieval system for wallpapers. PhD thesis, Middlesex University. [Thesis]

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Due to advances in computer technology, large image collections have been digitised and archived in computers. Image management systems are therefore developed to retrieve relevant images. Because of the limitations of text-based image retrieval systems, Content-Based Image Retrieval (CBIR) systems have been developed. A CBIR system usually extracts global or local contents of colour, shape
and texture from an image to form a feature vector that is used to index the image. Plethora methods have been developed to extract these features, however, there is
very little in the literature to study the closeness of each method to human perception.

This research aims to develop a human perception oriented content-based image retrieval system for the Museum of Domestic Design & Architecture (MoDA) wallpaper images. Since texture has been widely regarded as the main feature for these images and applied in CBIR systems, psychophysical experiments were conducted to study the way human perceive texture and to evaluate five popular
computational models for texture representations: Grey Level Co-occurrence Matrices (GLCM), Multi-Resolution Simultaneous Auto-Regressive (MRSAR) model, Fourier
Transform (FT), Wavelet Transform (WT) and Gabor Transform (GT). By analyzing experimental results, it was found that people consider directionality and regularity to be more important in terms of texture than coarseness. Unexpectedly, none of the five models appeared to represent human perception of texture very well. It was therefore
concluded that classification is needed before retrieval in order to improve retrieval performance and a new classification algorithm based on directionality and regularity for wallpaper images was developed. The experimental result showed that the evaluation algorithm worked effectively and the evaluation experiments confirmed
the necessity of the classification step in the development of CBIR system for MoDA collections.

Item Type: Thesis (PhD)
Additional Information: A Doctoral Thesis submitted in partial fulfilment of the requirement for the award of Doctor of Philosophy from Middlesex University.
Research Areas: A. > School of Science and Technology > Computer and Communications Engineering
B. > Theses
A. > Library and Student Support > Museum of Domestic Design and Architecture (MoDA)
Item ID: 8011
Depositing User: Devika Mohan
Date Deposited: 18 Jul 2011 06:29
Last Modified: 21 Jun 2021 16:44

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