Marshall

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Active since 2015

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

9 years ago

Solved

Add two numbers
Given a and b, return the sum a+b in c.

9 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

9 years ago

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

9 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

9 years ago

Question

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 ...

9 years ago | 1 answer | 0

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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...

9 years ago | 2 answers | 0

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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?

9 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>>

9 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...

9 years ago | 2 answers | 0

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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 ...

9 years ago | 1 answer | 0

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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...

9 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...

9 years ago | 1 answer | 0

1

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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...

9 years ago | 2 answers | 1

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