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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...

mehr als 13 Jahre vor

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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 ...

mehr als 13 Jahre vor

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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...

mehr als 13 Jahre vor

Beantwortet
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...

mehr als 13 Jahre vor | 0

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Beantwortet
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 ...

mehr als 13 Jahre vor | 0

Beantwortet
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...

mehr als 13 Jahre vor | 2

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

mehr als 13 Jahre vor | 0

Beantwortet
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...

mehr als 13 Jahre vor | 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 ...

mehr als 13 Jahre vor | 0

Beantwortet
"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...

mehr als 13 Jahre vor | 0

Gesendet

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

mehr als 13 Jahre vor | 473 Downloads |

0.0 / 5

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

mehr als 13 Jahre vor | 303 Downloads |

4.0 / 5

Beantwortet
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...

mehr als 13 Jahre vor | 0

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

mehr als 13 Jahre vor | 0

Beantwortet
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...

mehr als 13 Jahre vor | 0

Beantwortet
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...

mehr als 13 Jahre vor | 0

Frage

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...

mehr als 13 Jahre vor | 1 Antwort | 0

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Antwort

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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...

mehr als 13 Jahre vor | 0

Frage

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 ...

mehr als 13 Jahre vor | 1 Antwort | 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.

mehr als 13 Jahre vor | 1

Beantwortet
How to make this a real number
sprintf?

mehr als 13 Jahre vor | 0

Beantwortet
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...

fast 14 Jahre vor | 0

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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...

fast 14 Jahre vor

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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 ...

fast 14 Jahre vor

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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...

fast 14 Jahre vor

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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...

fast 14 Jahre vor

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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...

fast 14 Jahre vor

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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 ...

fast 14 Jahre vor

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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.

fast 14 Jahre vor

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

fast 14 Jahre vor