Fractional Directional Differentiation and Its Application for Multiscale Texture Enhancement

Table 2

Gray level cooccurrence matrix in 90° and 135° directions.

GLCM order	90°				135°
	Contrast	Correlation	Energy	Homogeneity	Contrast	Correlation	Energy	Homogeneity
Original	1.5431	0.8775	0.0329	0.6698	3.0958	0.7544	0.0251	0.5918
−l.0	2.6409	0.8618	0.0489	0.6466	4.7323	0.7523	0.0386	0.5777
−0.9	2.6503	0.8617	0.0457	0.6434	4.7236	0.7535	0.0360	0.5755
−0.8	2.6629	0.8616	0.0425	0.6397	4.7278	0.7542	0.0334	0.5722
−0.7	2.6768	0.8613	0.0394	0.6365	4.7347	0.7547	0.0309	0.5691
−0.6	2.6884	0.8611	0.0366	0.6336	4.7340	0.7553	0.0285	0.5659
−0.5	2.7100	0.8601	0.0338	0.6299	4.7431	0.7552	0.0263	0.5628
−0.4	2.7361	0.8589	0.0314	0.6264	4.7569	0.7548	0.0244	0.5594
−0.3	2.7491	0.8581	0.0292	0.6234	4.7631	0.7541	0.0226	0.5564
−0.2	2.7569	0.8574	0.0274	0.6204	4.7642	0.7536	0.0211	0.5537
−0.1	2.7694	0.8563	0.0258	0.6180	4.7842	0.7517	0.0197	0.5505
0	2.7745	0.8552	0.0244	0.6158	4.7784	0.7506	0.0187	0.5480
0.1	2.7834	0.8537	0.0234	0.6139	4.7820	0.7486	0.0178	0.5448
0.2	2.7848	0.8522	0.0225	0.6129	4.7626	0.7472	0.0171	0.5418
0.3	2.7821	0.8505	0.0218	0.6117	4.7337	0.7456	0.0165	0.5400
0.4	2.7845	0.8479	0.0213	0.6113	4.6981	0.7434	0.0162	0.5378
0.5	2.7918	0.8441	0.0210	0.6089	4.6405	0.7409	0.0161	0.5362
0.6	2.7606	0.8398	0.0212	0.6088	4.5055	0.7386	0.0164	0.5382
0.7	2.6631	0.8356	0.0221	0.6126	4.2504	0.7376	0.0172	0.5434
0.8	2.5679	0.8308	0.0229	0.6151	3.9849	0.7375	0.0181	0.5496
0.9	2.4407	0.8254	0.0244	0.6205	3.6609	0.7381	0.0196	0.5592
1.0	2.3475	0.8199	0.0256	0.6252	3.3956	0.7395	0.0208	0.5663