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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

13年以上前

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

13年以上前

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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how to set the image into axis using GUI?
It seems you name your image axes1. I'm not sure what axes11 is,nor what hadles.loadimage contains. have you tried image(ax...

13年以上前 | 0

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remove unused callbacks from GUI m files
Should not be a problem. Be careful that that message will appear on all your callbacks (local functions), even the ones you do ...

14年弱前 | 0

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give title below a figure
subplot(1,3,1); imshow(rand(300)); mt(1) = title('TEST1'); subplot(1,3,2); imshow(rand(300)); mt(2) = title('TEST2'); su...

14年弱前 | 2

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Display gray color only from grayscale image
imshow(I,[6 249]) if it's a 2D image slice you want to visualize.

14年弱前 | 0

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How to assign Pixel values to the entire images?
Not 100% sure what format your images are, but try this: If A is your 32x32 image, then A = mat2gray(A) will scale...

14年弱前 | 1

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Fusion of CT and MRI images, MI method
Alright, for a rotation and xtranslation example: stepsize1 = pi/180; %e.g. 1 degree stepsize2 = 1; %e.g. 1 pixel ...

14年弱前 | 0

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"imshow" distorts jpeg
Are you displaying at the proper size? fine detail can be lost (aliasing) if your display size is too small, try maximizing it w...

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Bichromatic colormap for real2rgb
Takes 2 RGB colors and returns a map or truecolor image. Same options as the colormaps from real2rgb

14年弱前 | ダウンロード 474 件 |

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Margincrop
Simple way of cropping images by specifying the amount of pixels to be cut away from the edges.

14年弱前 | ダウンロード 304 件 |

4.0 / 5

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Fusion of CT and MRI images, MI method
Same as least squares, transform 1 of the images according to your criteria (e.g. rotate) then re-calculate MI. Try various tran...

14年弱前 | 0

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imshow - Stretching image to fill axis
Have you tried image or imagesc? Or the 'axis image' command?

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how to do color correction
I guess we just have to assume you are using a normal rgb format... What image analyst suggested was to use your knowledge of t...

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Imagesc movie with multiple axes/matrices
I dont use colorbars often, so this was my initial idea without them: syy = reshape(syy,[size(syy,1) size(syy,2) 1 size(sy...

14年弱前 | 0

質問

Minimal variance algorithm. Ideas?
I don't have much experience with developing algorithms but I am considering the following problem: How to divide a set of numbe...

14年弱前 | 1 件の回答 | 0

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How can I rescale an image while not changing the dimension of the image?
I think you want to look into imtransform, specifically the Xdata and Ydata properties. E.g. you can rotate around the center--k...

14年弱前 | 0

質問

Binary mask operation: vector into nonzero part of mask in 1 statement?
I have a logical matrix MASK and a vector VEC with real numbers (uint8 mostly). nnz(MASK) equals length(VEC). I create a new ...

14年弱前 | 1 件の回答 | 0

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How to convert a matrix to a Gray scale image?
Its probably double. So do im2uint8(A) or uint8(A) if A is the matrix. Also use imshow instead of image if you can.

14年弱前 | 1

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How to make this a real number
sprintf?

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How to apply Maximum likelihood estimation technique to characterize the amplitude of noise in a given time series
Im just guessing here, but since the least square fit of your time function (inverse fourier?) is a maximum likelihood estimator...

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

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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...

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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...

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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 ...

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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

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