superimose of two images

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praveen rai
praveen rai 2017-12-31
评论： Walter Roberson 2018-1-1
@image analyst u have provided me the code how to superimpose and it was very help full but I have another image and I am not able to that can u help me out
I am providing u code as well as my images
my 1st image in which i want to put that blank line on to my 2nd image
my 2nd image

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回答（1 个）

Walter Roberson
Walter Roberson 2017-12-31
Remember that in images, white is data present. When you superimpose the large amounts of white from the top image on top of the grid on the bottom, then almost everything is going to turn white, leaving you with only a few dots where the curved line from the first happens to intersect the grid.
You may wish to consider converting to black and white, then inverting the image so that the black becomes true, doing a logical or of the two, then inverting again.
  2 个评论
praveen rai
praveen rai 2018-1-1
U mean to say first I have to invert my input images den logical OR operation perform
Walter Roberson
Walter Roberson 2018-1-1
No, you do not have to do that: that is just a typical way of thinking about doing the addition of images.
In your particular case, you could instead AND the two images in their present form:
combine_image = FirstMatrix & SecondMatrix;
provided that they are the same size.
This will give 0 anywhere that either image is 0, which is equivalent to drawing in black.

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