Content based medical image retrieval utilizing sparse coding techniques

• Main Author: Κουτσονικολή, Αικατερίνη
• Other Authors: Μπερμπερίδης, Κωνσταντίνος
• Format: Thesis
• Language: English
• Published: 2020
• Subjects: CBMIR; Sparse coding; K-SVD; Feature extraction; Dictionary learning; Entropy; Clustering; X-rays; Αραιή κωδικοποίηση; Εξόρυξη χαρακτηριστικών; Εκμάθηση λεξικών; Εντροπία; Κατηγοριοποίηση; Ακτινογραφίες

In this study, we propose a novel dictionary learning based multi-level clustering method for content based medical image retrieval. We suggest innovation compared to previous works as the center of the information-part of the image is calculated, the entropy of pixel intensity values is used as fea...