im2double - Convert image to double precision

Calling Sequence

im2 = im2double(im)

Parameters

• im: An matrix/image, which can be ANY image supported by SIVP.
• im2: Output image, a double precision matrix.

Description

im2double convert intensity or RGB images to double precision. If the input is of class double, the output image is identical to it. Otherwise, im2double rescales or offsets the data, and returns the equivalent image of class double.

Authors

Shiqi Yu <shiqi.yu[at]gmail.com>

Availability

http://sivp.sourceforge.net

See Also

im2bw,  im2uint8,  im2int8,  im2uint16,  im2int16,  im2int32,  mat2gray,