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bigdog


Active since 2015

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DFT and FFT of Image
Shift the Fourier transform so that it is centered around the middle of your figure and plot the absolute value of the shifted ...

10 years ago | 1 answer | 0

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Question


Image Compression of 512 x 512 using SVD
Choose your favorite image of size at least 512x512. Apply SVD compression with 3, 10, 20, and 40 top singular values and vector...

10 years ago | 0 answers | 0

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Question


Matrix of an Image
By manipulating the associated matrix of an image I need to create an up-side-down as well as left-to-right corresponding image....

10 years ago | 1 answer | 0

1

answer

Question


Drawing a 3-D graph of image using meshgrid and meshc
I have a 512 by 512 gray level image. How can I use meshgrid and meshc to draw a 3D graph of the function corresponding to the i...

10 years ago | 1 answer | 0

1

answer

Question


Subsampling an image using subplot
How do I go about using the subplot command to subsample an image I have added to my workspace (named tw2) by a factor of 2, 5, ...

10 years ago | 1 answer | 0

1

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Question


Gray-level image of JPEG i've added to workspace
I'm having trouble turning the colored image JPEG I've added to my workspace. I have been using the following code: image(tw2); ...

10 years ago | 1 answer | 0

1

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Question


Computing pseudo-inverse and norms using pinv
I need to compute the pseudo-inverse as well as the norms using pinv of m = [ones(1000,1), repmat([2,0]', 500, 1)]; I've loo...

10 years ago | 1 answer | 0

1

answer

Question


Creating a 512 x 512 image from 600 x 800
The idea is to have 512 pixels in both rows and columns of my image. I'm not sure which function I would use to do so. Any ideas...

10 years ago | 1 answer | 0

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answer