Advanced Color Edge Detection Using Clifford Algebra in Satellite Images

Edge detection is widely used for image processing to improve the and classification of objects, segmentation, extraction other features. Satellite images are rich in information about objects with different color intensity have a large amount noise, so it difficult achieve recognition, classification, feature small through traditional edge algorithms. The colors satellite suffer from overlap due areas or weather conditions that generate lot noise. provides detailed an by reducing unnecessary information. more challenging than gray-level images. This paper proposes method using Clifford algebra its sub-algebra, quaternions. Quaternion-based Fourier transform process red, green blue (RGB) separately vector field. A 3×3 quaternion mask developed filter out frequencies multiple directions only details edges. algorithm works on three channels individually; output then processed (QFT) inverse QFT high frequencies. proposed compared algorithms dataset has types Results validated entropy, structure similarity, noise error prove our satisfactory performance remote sensed