RGB Image Stretching Tool (PDF, ~126KB), a standalone time-saving utility program for versatile image stretching.

Usage: RGB_Stretch.exe

RGB_stretch.exe
<band_selection_red> <band_selection_green> <band_selection_blue> -s
<image_stretch_band1_left_cut> <image_stretch_band1_right_cut> <image_stretch_band2_left_cut> <image_stretch_band2_right_cut> <image_stretch_band3_left_cut> <image_stretch_band3_right_cut> <nonlinear_stretch_band1> <nonlinear_stretch_band2> <nonlinear_stretch_band3>
<in.tif> <out.tif>

Examples from "Dancing with spectra" series (all images are GeoSage software outputs under default analytical settings)

	Vancouver Full scene Image size 7596x7242 pixels, spatial resolution 30m, zip file size 14,048,031 bytes, format ECW. Image source: GeoGratis.
	San Francisco Full scene Image size 8627x7745 pixels, spatial resolution 28.5m, zip file size 22,214,372 bytes, format ECW. Image source: USGS GloVIS.
	Chicago Full scene Image size 8966x8030 pixels, spatial resolution 28.5m, zip file size 23,004,494 bytes, format ECW. Image source: USGS GloVIS.