Frequency Spectrum-Based Optimal Texture Window Size Selection for High Spatial Resolution Remote Sensing Image Analysis

Table 2

Optimal scale selected by different methods.

Subset textures	Frequency spectrum method	Local variance method	Best scale in experiment
House	13 × 13, 19 × 19, 21 × 21	17 × 17	21 × 21
Farmland_1	None	7 × 7	None
Farmland_2	None	9 × 9	17 × 17
Mixed-objects	13 × 13, 15 × 15	13 × 13	15 × 15
Global optimal scale	13 × 13, 15 × 15		15 × 15