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Domanda


how can i calculate a variance of each BLOB in image
hello every one; i need to know how to calculate a variance of each blob contains in one image, thank you in advance

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to differentiate two blobs extracted from image
i have two images in here, how can i defferentiate them (other than area, variance, size) ps:the first one is reflexion of lig...

quasi 9 anni fa | 1 risposta | 0

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Domanda


How to applying miror effect on only last row last column first row first column of image
i have image m, and i want to apply a miror effect on only last row last column first row first column of the matrix of image t...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to combine intsructions of comparaison in one instruction
i have 4 variables and i want to find whose are similar: example: a=23, b= 3, c=23, d=4, e=23... rather than compare each one...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to extract pixels value of extremity of image
hello everyone, i have an image (a) and i wanna test if the ligne (red) is red with width=2 pixels, the ligne (green) is green...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to know pixel' s value of matrix
hello i have a matrix (a) a= [a b c d; e f g h; i j k l] * i wanna test/know the values of d,h,l and i j k l ...

quasi 9 anni fa | 1 risposta | 0

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Domanda


HOW to get string variable from vector
hello i've a vector of strings V=['hiver' 'ete' 'automne' 'printemps'] and i wanna get 'hiver' from that vector, i tried V(1) ...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to concatenate two vectors with different types
i have two vectors: vector1= [ 23 54 67 987] vector2=['test'] is there a way two concatenate those two vectors and obtain: ...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to calcul Standard deviation of matrix
hello every one, i have a set of matrix and i wanna calculate a standard deviation of each matrix, here i tried : std(M) ...

quasi 9 anni fa | 2 risposte | 0

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Domanda


how can i find pixels of image's border
i have a set of images and i would like to test if there is a a black border on limits on the image, such this one: <</matlab...

quasi 9 anni fa | 2 risposte | 0

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Domanda


how can i fill a vector with result of 4 instructions?
hello, assuming that i have: DE1 = pdist2(vecteur(1),V1(2),'euclidean') DE2 = pdist2(vecteur(2),V1(2),'euclidean') D...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to fill a vector with another ones
hello everyone i have two vectors: A=[ X Y Z T ] B=[ X' Y' Z' T' ] i wanna create a vectors C1=[X X'] C2=[Y...

quasi 9 anni fa | 1 risposta | 0

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Domanda


what can i extract from covariance matrix
i wanna know what kind of features can i extract from covariance matrix?

quasi 9 anni fa | 0 risposte | 0

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Domanda


how to obtain a vector contains a mean of other vector
i have an array describes x and y values of 3 points v=[26 196 27 196 28 196] i wanna have as a result a ve...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how matching points between two images
i have two images, here i extracted features (covaiane matrix, variance matrix, mean matrix) of each image, and then i want to m...

quasi 9 anni fa | 0 risposte | 0

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Domanda


how to calculate a mean of an cell array
* i have a 3*6 matrix m=[pc oc rc; yc centroid ic; ec uc hc] * where each value (pc, or...) define x,y co...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to convert a matrix to a cell?
i have a 3*6 matrix : 26 197 27 197 28 197 26 196 ...

quasi 9 anni fa | 1 risposta | 0

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Domanda


HOW can i create a matrix of pixels positions? (x,y) coordinates
i wanna create 3*3 matrix describes pixels positions i defined m as 3*3: m=zeros(3) and then i simply filled the matrix with x...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how to caculate covariance matrix?
i tried to calculate covariance of matrix but an error appeared: here is my matrix (3*3): m= 26 197 27 197 28 19...

quasi 9 anni fa | 1 risposta | 0

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Domanda


how can i (for loop) pixels of image from left top to left bottom, to find pixels on that ligne
i used: for k=n:m ... end where m,n are size of the image

quasi 9 anni fa | 0 risposte | 0

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Domanda


how can i replace white pixel (in binary image) with a color pixel of another image?
i have two images , an RGB image(rgbimage) and it's binary image(b), i wanna know how to replace white pixel in (b) with an RGB ...

quasi 9 anni fa | 3 risposte | 0

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