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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 ...

9 years ago | 0 answers | 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...

9 years ago | 0 answers | 0

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answers

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....

9 years ago | 1 answer | 0

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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...

9 years ago | 1 answer | 0

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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, ...

9 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); ...

9 years ago | 1 answer | 0

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answer

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...

9 years ago | 1 answer | 0

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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...

9 years ago | 1 answer | 0

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