Question

Keep proper Indexing after sorting

I have a matrix like below fset(:,:,1) = rand(5,16); fset(:,:,2) = rand(5,16); fset(:,:,3) = zeros(5,16); sorted_fse...

3 years ago | 1 answer | 0

Question

How to get the index from a matirx

Hi all i have two matrix A and B, the size of A is like 10 86 and size of B is 3 86. actually the matrix B is inside the m...

6 years ago | 1 answer | 0

Question

Removing values form the Matrix

Hi, All i have two matrix matrix A has size 2 62 matrix B has size 10 62 actually the matrix B contains also matrix A ...

6 years ago | 2 answers | 0

Question

Split the Image into 30 channels

Hi All, i need to splits an image into 30 channels in frequency domain with equal divisions in angular di-rection and oc...

7 years ago | 1 answer | 0

Question

Adding Column values of a matrix

Hi, I have a matrix like below. all_one_matrix(:,:,1) ans = Columns 1 through 8 0.1979 0.1979 0.1354 ...

7 years ago | 1 answer | 0

Question

Sorting multi Dimension matrix

Hi all i have a matrix fset like fset(:,:,1) = Columns 1 through 7 0.0417 0.0104 0.1042 0.1771 0.1...

7 years ago | 1 answer | 0

Question

adding a matrix to other during iteration

Hi all i have a matrix of Columns 1 through 6 0.0104 0 0 0 0 0.1250 0.1771 ...

7 years ago | 1 answer | 0

Question

Mean luminance Values of an Image

Hi ALL, I want to calculate the means luminance value of an image block i found the formula is.. luminance= 0.3 R +...

7 years ago | 2 answers | 0

Question

Divide the image into 4x4 sub images

Hi all, i want to divide the image into 4x4= 16 sub images. how i can do this and then further each sub image can be dividab...

7 years ago | 2 answers | 0

Question

Computation of Non directional Edge

i want to compute non directional edge of an image block, how i can compute, the simple edge method, will return non directio...

7 years ago | 1 answer | 0

Question

Subscripted assignment dimension mismatch.

Hi all i am using the fallowing code for the svm classification svmstruct=svmtrain(PosNegF,group); for l=1:999 ...

7 years ago | 1 answer | 0

Question

Error in SVM at line 470

Hi all i am getting the fallowing error for svmtrain ??? Error using ==> svmtrain at 470 Unable to solve the optimiza...

7 years ago | 0 answers | 0

Question

Extracting new matrix from existing matrix

Hi all I have matrix with 999*10 actually i have 10 feature of 999 images. now what i want is i want to extract features ...

7 years ago | 2 answers | 0

Answered

Extract Values from the vector

Thanks a lot it works, Hi all I have matrix with 999*10 actually i have 10 feature of 999 images. now what i want ...

Extract Values from the vector

Thanks a lot it works, Hi all I have matrix with 999*10 actually i have 10 feature of 999 images. now what i want ...

7 years ago | 0

Question

Extract Values from the vector

Hi all i have a vector like a=[ 4 5 10 3 7 8 11 15 2 19 20 6] now i want a new vector from a but new vector should not con...

7 years ago | 2 answers | 0

Question

Copy pixels from one Matrix to other matrix

Hi all I have an <http://imageshack.us/photo/my-images/823/861kd.jpg/ image> of size 256x384x3 then i divide the image into 4x...

7 years ago | 1 answer | 0

Question

how to mark pixel as zero

Hi all I have a segmented image i want to process only the larger segment. so i want to make the remaining pixels as zero. ...

7 years ago | 2 answers | 0

Question

Image segmentation using k means

Hi All I have a feature vector of an image now i want to segment the image using k-means clustering algo. can any one provide...

7 years ago | 1 answer | 1

Answered

color image segmentation bsed on kmeans and Lab color space

I use this code but i get the error at ??? Error using ==> kmeans Too many input arguments. Error in ==> Kmeans1 at 21 [c...

color image segmentation bsed on kmeans and Lab color space

I use this code but i get the error at ??? Error using ==> kmeans Too many input arguments. Error in ==> Kmeans1 at 21 [c...

7 years ago | 0

Question

Image Intensity

Hi all, Can any one tel me the command in matlab to calculate the intensity of image.

7 years ago | 5 answers | 1