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When previewing or displaying an 11 bit image in ArcGIS, it displays completely black.
An 11 bit image is a 16 bit image that does not use the full range of available values. An 11 bit image only uses cell values of 0 to 2047, and a 16 bit image can store values from 0 to 65535. Since an 11 bit image only uses a small portion of the available range, it will appear very dark when displayed.
Calculate statistics for the image.
Creating statistics enables ArcGIS to use these images more efficiently by using a smaller range of input values. Instead of values from 0 to 65535, only values between 0 and 2047 will be considered, and the contrast between cell values will now display.