RETRACTED ARTICLE: Local Directional Extrema Number Pattern: A New Feature Descriptor for Computed Tomography Image Retrieval - Manickam, Adhiyaman; Soundrapandiyan, Rajkumar; Satapathy, Suresh Chandra; Samuel, R. Dinesh Jackson; Krishnamoorthy, Sujatha; Kiruthika, Usha; Haldar, Rishin (Arabian journal for science and engineering (2011), 2023)