after doing arithmatic operations to the image is there any method to convert the result into the image.

after doing arithmatic operations(+,-,*,/) to the image is there any method to convert the result into the image.

Answer 1

[ES]

Image is nothing but a matrix of data. You can write any matrix into an image by using

imwrite

method.

[mahesh chathuranga]

but some times arithmatic operations gives negative values.is it a problem for displaying the image.

[Image Analyst]

Cast to double before subtracting, then use imshow(yourImage, []) to display all the image, both positive and negative pixels.