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Marshall


UNM

Active since 2015

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Hey so I've written a snippet of code in order to perform an affine transformation and I am not getting the results I want. Can someone see what I am doig wrong.
Here I have an assignement to transform an image based on a user input. Below is what I have. imshow(k) p1 = impoint ...

6 years ago | 1 answer | 0

1

answer

Question


Need to generate tform matrix from triangle parameters.
If a user draws a triangle with parameters b, h and theta and wants to change an entire image via a transformation from a new tr...

6 years ago | 2 answers | 0

2

answers

Question


What is an alternatice to the Estimate geometric transform function for older versions of matlab?
I am working with a 2012 version of matlab that does not support the detectSURFFeatures function. Is there any alternatives?

6 years ago | 1 answer | 1

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Question


Using image processing how can I generate a transformation matrix based from a user defined geometric change.
<</matlabcentral/answers/uploaded_files/42943/geometrictransform.png>>

6 years ago | 1 answer | 0

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Question


I am being tasked with building an image processing GUI and need to set geometries within an image. Need some instruction on where to start.
Hello I have been tasked to replicate an existing software that works with image processing of images obtained from Transmissi...

6 years ago | 2 answers | 0

2

answers

Question


Errors using imwrite "Unable to determine the file format from the filename" I am trying to splice together the name of a new image file but dont understand why imwrite isnt working.
% --- Executes on button press in Save. function Save_Callback(hObject, eventdata, handles) % hObject handle to Save ...

6 years ago | 1 answer | 0

1

answer

Answered
Image processing function works to skew an image but Im not sure why?
if true % code end clc black = [0 0 0]'; a = .15; T = maketform('affine', [1 0 0; a 1 0; 0 0 1] ); A = imread('SI...

6 years ago | 0

| accepted

Question


Image processing function works to skew an image but Im not sure why?
In plain english could someone explain each maketform, makresampler, and imtransform and how they work. If I am trying to make s...

6 years ago | 1 answer | 0

1

answer

Question


How do I make shear corrections to an image?
I am being tasked with correcting images provided by an electorn microscope. The pictures of the lattice do not have a 90 degree...

6 years ago | 2 answers | 1

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answers