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Title
Fusion of sensor data, knowledge sources and algorithms for extraction and classification of topographic objects
Author
Baltsavias, Emmanuel P.

International Archives of Photogrammetry and Remote Sensing,Vol. 32, Part 7-4-3 W6, Valladolid, Spain, 3-4 June, 1999
64
Figure 4: Synthetic scenes -.From top to bottom: (1) syn
thetic images, left ’’Rosette”, right ’’bar codes”; (2) strength
a, (3) direction (p and (4) anisotropy q. All three texture mea
sures computed using 3 x 3 -Sobel as differentiation kernel,
with s = 0.7, and integration kernel t = 0.5.
Figure 5: Natural scenes: From top to bottom: (1)
synthetic images, left "Avenches”, right ’’Pentagon”; (2)
strength a, (3) direction 0 and (4) anisotropy q. All three
texture measures computed usings x 3-Sobel as differen
tiation kernel, with s = 0.7, and integration kernel t = 0.5