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

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mahesh chathuranga 2013-9-30

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评论： Image Analyst 2013-9-30

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

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ES 2013-9-30

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

imwrite

method.

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mahesh chathuranga 2013-9-30

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

Image Analyst 2013-9-30

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

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