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Emerson Nithiyaraj


7 total contributions since 2018

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Question


Normalize by using zero mean and unit variance
I am working with Medical CT image and i came across a pre-processing step in an article ,"contrast enhancement of images by usi...

27 days ago | 1 answer | 0

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answer

Question


Display multiple slices of a Dicom file
hello, I have a CT medical image file of size 512*512*624. I want to display some slices (say. from slice 447 to 457) in...

28 days ago | 0 answers | 0

0

answers

Question


Truncate my image intensity values in the range [-100 400]
Hello, I have a medical raw CT 'NIFTI' image file of type double where the values of the image are in the range from -2000 to ...

1 month ago | 1 answer | 0

1

answer

Question


how to display images from a nifti file?
I have a liver CT dataset where all images is in .nii file format. Each image file has mulitple slices (say 512*512*500). Using ...

1 month ago | 1 answer | 0

1

answer

Question


Using uint8 and Double
I have a input image of size 800*800 and of type uint8. When i do convolution with a 5*5 filter, it produces me a result of type...

7 months ago | 0 answers | 0

0

answers

Question


Finding Local mean value of pixels of window
I want to solve the equation (1,2) in the attached picture which (2) tells the local mean value of the window. But i don't hav...

7 months ago | 1 answer | 0

1

answer

Question


How to write code for double summation
<</matlabcentral/answers/uploaded_files/113590/dct.jpg>> How to write matlab code for this double summation DCT equation sinc...

1 year ago | 1 answer | 0

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answer