Local versus global texture analysis for lung nodule image retrieval

Ryan Datteri; Daniela Raicu; Jacob Furst

doi:10.1117/12.770979

11 March 2008 Local versus global texture analysis for lung nodule image retrieval

Ryan Datteri, Daniela Raicu, Jacob Furst

Proceedings Volume 6919, Medical Imaging 2008: PACS and Imaging Informatics; 691908 (2008) https://doi.org/10.1117/12.770979
Event: Medical Imaging, 2008, San Diego, California, United States

Abstract

Intensity overlap often occurs in medical images, making it difficult to identify different anatomical structures using intensity alone. Research studies have shown that texture is an important component in quantifying the visual appearance of anatomical structures, and is therefore valuable in the analysis, interpretation, and retrieval of lung nodules. The goal of our research study is to present a comparison between the different texture models: Gabor filters, Markov Random Field (MRF), and global & local co-occurrence. For comparison purposes we utilized Manhattan, Euclidean, and Chebyshev distances for one-dimensional feature vectors (global co-occurrence) while for two-dimensional feature comparison (local co-occurrence, Gabor filters, and MRF) we utilized the similarity measures Chi-Square and Jeffrey- Divergence. Local co-occurrence contains many different variable aspects in its design that can considerably change the success of its results. A thorough examination of local co-occurrence's variables is discussed. All of the discussed texture models are presented in the context of our previous Content-Based Image Retrieval (CBIR) System [1]. BRISC utilizes the Lung Image Database Consortium (LIDC) database. We have found that Gabor and MRF texture descriptors produce the best retrieval results regardless of the nodule size, number of retrieved items or similarity metric with an average precision of 88%. Global co-occurrence performed the worse at 44% precision yet when co-occurrence was performed locally (local co-occurrence) the precision results improved to 64%. A combination of all the features worked the best with 91% precision.

Citation Download Citation

Ryan Datteri, Daniela Raicu, and Jacob Furst "Local versus global texture analysis for lung nodule image retrieval", Proc. SPIE 6919, Medical Imaging 2008: PACS and Imaging Informatics, 691908 (11 March 2008); https://doi.org/10.1117/12.770979

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