# bkshn

Attivo dal 2013

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Domanda

How can I determine some pixels in an Image?
Hello I have code bellow to determine pixles' S on I. but I have an image that this code didn't code on it and I can't see S ...

quasi 9 anni fa | 0 risposte | 0

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Domanda

How can I calculate Gradient of Image?
Hello Could you help me How can I calculate Gradient of an Image? what kinds of gradient does we have? Tahnks

quasi 9 anni fa | 0 risposte | 0

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Domanda

How can I merge two Image?
Hello I want to merge two Image in one Image so that odd rows of image fill one of them and even row of image fill with anot...

quasi 9 anni fa | 2 risposte | 0

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Domanda

How can I fill a vector with another one with different size?
Hello I want to fill a vector with another vector with different size. like bellow example, that "fullPath" is 201*1 and "xp...

quasi 9 anni fa | 2 risposte | 0

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Domanda

improve performance of if statment
Hello I have bellow statement if ((fullPath(i-1)-1) > y) col1=y ; else ...

quasi 9 anni fa | 1 risposta | 0

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Domanda

spilit an image into two image
Hello I have imageA, right now I want to have two image (Image B and Image C) from Image A. so that odd rows of Image A ...

quasi 9 anni fa | 1 risposta | 0

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Domanda

How can I downsample an image?
Hello I want to downsample an image and I want to replace one pixel in new Image with average of four pixel in first image. ...

quasi 9 anni fa | 1 risposta | 0

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Domanda

How can I Remove a Column and add it again?
Hello I want to remove first column from an Image and do some thing on Image and then add that column again. I want to remov...

quasi 9 anni fa | 1 risposta | 0

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Domanda

How can I compare all row in a column with a value and replace it?
Hello I want to compare all row in one column with a value, and if one of them being larger than value, I want replace it wi...

circa 9 anni fa | 1 risposta | 0

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Domanda

can I use elements of array in if statement directly?
Hello I have an array (it's name is fullpath) and I want to compare the elements of it in If condition like bellow ...

circa 9 anni fa | 1 risposta | 0

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Domanda

How tic/toc calculate execution time?
Hello I have a function that call several functions like bellow function A() { tic function B(); function C();...

circa 9 anni fa | 1 risposta | 0

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Domanda

Indexing cannot yield multiple results
Hello I use size function on image 466*700*3 unit8 . [xm ym zm]=size(Main); but I see this error Indexing cannot y...

oltre 9 anni fa | 2 risposte | 0

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Domanda

How Can I use a string value as a parameter name?
Hello How Can I use a string value as a parameter name? I have a function that return a string value, I want to use this f...

oltre 9 anni fa | 2 risposte | 0

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Domanda

mapping numbers to another number
Hello I want to map numbers 1,2,3,4,5,6,7,8,9 to 11,12,13,21,22,23,31,32,33. for example if I have number '1' I get '11' ...

oltre 9 anni fa | 5 risposte | 0

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Domanda

How can I access part of my stucture by index?
Hello I have a structure like bellow x.part1.vector=3; x.part1.cost=4; x.part2.vector=5; x.part2.cost=6; ...

oltre 9 anni fa | 2 risposte | 0

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Domanda

using Parfor instead of for
Hello I have a vector with n rows and one column. every other row is empty and I want to fill them base on its up row and...

oltre 9 anni fa | 1 risposta | 0

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Domanda

Can I run for loop in command window?
Hello I have for loop with switch case in code , my code is here. if true for i=3:2:length(vx) switch vx(i...

oltre 9 anni fa | 1 risposta | 0

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Domanda

finding index of min value in a matrix
Hello I have a matrix and I want to compare three element of this matrix and find min between them and then I want to know t...

oltre 9 anni fa | 2 risposte | 0

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Domanda

How can I find column number of a specific element in matrix?
I want to compare three element in a matrix and find minimum between them. then I want to know the column number of minimum ele...

oltre 9 anni fa | 1 risposta | 0

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Domanda

How can I find min between three value in matlab?
Hello I have three number, Could you help me how can I find min of them in fast way? thanks

oltre 9 anni fa | 1 risposta | 0

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Domanda

imwrite function and permission error
I read any question and answer about my problem, but I couldn't find my solution. I checked read only about my folder. I use mk...

quasi 10 anni fa | 2 risposte | 0

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Domanda

How can I select a random element in a row of matrix?
Hello I want to select a a random element in a row and then I want to know the column of this element Could you Help me?...

circa 10 anni fa | 2 risposte | 0

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Domanda

How can I fill empty elements in a vector to preserve conjunction ?
HEllo I have a vector for example with 10 rows and one column(10*1). The elemets of my vector every other row are empty. l...

circa 10 anni fa | 1 risposta | 0

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Domanda

How can I find a connected path on a matrix by Random Search?
Hello I have a matrix . I want to find a connected path of elements from up to button. I want to do it by random search. As ...

circa 10 anni fa | 2 risposte | 0

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Domanda

Can I sort Find function base on rows?
Hello I use find function to find location of a vector on my Image, It works, but I have location Order by column.I mean at f...

oltre 10 anni fa | 2 risposte | 0

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Domanda

Can I fill empty pixels in a vector?
Hello I try to explain my question better. I have an image in size of 466*700 and I have a vector on this image in size of ...

oltre 10 anni fa | 1 risposta | 0

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Domanda

How can I find number of column on an Image?
Hello I have an image and a vector on it, could you help me How can I find numbers of column that this vector goes from them?...

oltre 10 anni fa | 0 risposte | 0

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Domanda

How can I set the value of Extrapval in interp2?
I use interp2 to resample my image, but i have non value in my resampled image, I should set extrapval in interp2 but I don't kn...

oltre 10 anni fa | 1 risposta | 0

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Domanda

why I have Nan value in resampling image?
Hello I use a resampling on an image like below NI = imresample([0.5,0.5],I,[1,1],'linear'); my first image (I) size wa...

oltre 10 anni fa | 3 risposte | 0

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Domanda

Can I undo Interp2 function?
I use code bellow to resample my Image for i=1:z nimg(:,:,i) = interp2(Ox,Oy,img(:,:,i),Nx,Ny,intmethod); ...

oltre 10 anni fa | 3 risposte | 0

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