MATLAB Answers

colormap() not working in 2016b

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DEVESH DANGI
DEVESH DANGI on 10 Jun 2018
Commented: Walter Roberson on 11 Jun 2018
I have the following output:
but I want it to be as shown below:
if someone provides me with the code for this it will be a great help.
Thanks in advance.

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Answers (1)

Von Duesenberg
Von Duesenberg on 10 Jun 2018
I = imread('cameraman.tif');
imshow(I)
colormap jet

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Walter Roberson
Walter Roberson on 10 Jun 2018
imshow acts kinda strangely in that release; I do not understand yet how it manages to stay black and white after the colormap call.
DEVESH DANGI
DEVESH DANGI on 11 Jun 2018
Thanks for your replies!!
hey Walter, Two straight question to u. 1. Can I get the same output as I have shown in the picture using MATLAB 2016b?
2. How can I learn Digital image processing?
Walter Roberson
Walter Roberson on 11 Jun 2018
The code I provided earlier with imagesc() appears to return that upper left picture. I do not have the data for the lower right pictures, and your two lower right pictures appear to be different original images
There are a number of books about digital image processing, which is a common university course. I do not have any to recommend myself, but the Gonzalez and Woods book is considered a classic; https://books.google.ca/books/about/Digital_Image_Processing.html?id=MaYuAAAAQBAJ&source=kp_cover&redir_esc=y

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