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Andrew Killian


Last seen: 2 years ago |  Active since 2021

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Not enough input arguments?
The documentation for imresize has only two/three arguments at most. But when I run this code I get "error not enough input argu...

2 years ago | 1 answer | 0

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Question


What's the problem here?
I just wanted to do some simple edge detection with this code. But I get error: "MAP must be a m x 3 array. Use im2gray for RG...

2 years ago | 1 answer | 0

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Am I understanding this correctly?
If I start with a color picture and do the below. It separates the original color image into the three red, blue and green matri...

2 years ago | 2 answers | 0

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Help me understand this.
For every white pixel in original image: – Make all neighbors white in result. • What is a neighbor? – Specifi...

2 years ago | 1 answer | 0

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What exactly is the difference between these two pictures?
When I compare the two figures side by side they look exactly the same to me. guitar = imread('guitar.jpg'); BW = im2bw(gui...

2 years ago | 1 answer | 0

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I don't need to add a path if the picture file is in the same directory as my matlab file right?
I am in a directory with project1.m and guitar.jpg. But when I try to run this line in the command window I get "File "guitar.jp...

2 years ago | 1 answer | 0

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Why specifically do we need to cast frames to double to detect movement?
In order to detect movement from subsequent frames... My understanding is that we subtract all the pixel values from the previou...

2 years ago | 1 answer | 0

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Why isn't matlab drawing the bounding box on my picture?
I followed these commands in tutorial exactly how he did it to draw a bounding box around the main object of a pic but nothing h...

2 years ago | 2 answers | 0

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How do I do that thing where I get the photo to pop up in a little window?
When I highlight just 'walk', right-click and select evaluate selction, it displays a matrix of pixel numbers in the command win...

2 years ago | 1 answer | 0

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Am I to understand that every function in matlab should be its own file?
It looks like matlab does not use tradional curly brackets to encapsulate a function definition like most programming languages ...

2 years ago | 1 answer | 0

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Question


Why do we care about the minimum here?
We have an example in class where are to detect a walking human through a series of continuous pictures/frames. The idea is that...

2 years ago | 1 answer | 0

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Unrecognized function error.
I just want to count the number of non-white pixels in an image. I have pix = imread('/binary_image4.png'); nonZeroPixels...

2 years ago | 1 answer | 0

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Why does my image does not conert to grayscale?
I need to convert an image that we were given to grayscale. I wrote the code below. When I highlight the whole 'imagesc' line ...

2 years ago | 1 answer | 0

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