Use opencv to traverse the image. The returned value is the coordinates of the pixels of.

Source: Internet
Author: User

SmallProgram, Record it as needed ~~

Traverse an image and return the coordinates of the point with a pixel value of 0:

# Include "stdafx. H "# include <stdio. h> # include <cv. h> # include 

Result:

========================================================== ========================================================== ===

PS:

Create an image and set it to 255 using memset:

Iplimage * test = cvcreateimage (cvgetsize (IMG), 8, 1 );
Apsaradb for memset (test-> imagedata, 255, test-> widthstep * test-> height );

Note that the Data Part Of The iplimage image is set to 255, and the data starting address is
Test-> imagedata


In other words, how can I calculate the length of the iplimage header?

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