답변 있음
how to solve a simultaneous equation of 2 variables.
A = [1 3;... 2 4;]; b = [5;... 4]; %Solve Ax=b as A\b X = A\b >> A\b ans = -...

13년 초과 전 | 0

답변 있음
How to clear objects connected to the lower borederof the image?
You could use the <http://www.mathworks.com/help/images/ref/imclearborder.html imclearborder> function. There's a blog articl...

13년 초과 전 | 0

답변 있음
Local-self similarity descriptor
Here are some options: 1. Take a histogram after converting your image to log polar coordinates. The following thread has some ...

13년 초과 전 | 0

답변 있음
how to find center point coordinates of circles in an image file
You can use imfindcircles to find the circles. The function returns circle centers and radii. If the circles can't be found usin...

13년 초과 전 | 1

| 수락됨

답변 있음
dice similarity index between segmented image and ground truth
How about this: dice = 2*nnz(segIm&grndTruth)/(nnz(segIm) + nnz(grndTruth)) This expects segIm and grndTruth to be of th...

13년 초과 전 | 0

| 수락됨

답변 있음
How to design a 5by5 ,5cross and X-1 median filter
You can use the following two functions: <http://www.mathworks.com/help/images/ref/medfilt2.html medfilt2> and <http://www.m...

13년 초과 전 | 0

| 수락됨

답변 있음
Matching an image with a database
save idx.mat idx; save centers.mat centers;

13년 초과 전 | 0

답변 있음
smoothening disparity
You might want to try some edge-preserving smoothing filters like anisotropic diffusion. This link might be useful: <http://...

13년 초과 전 | 1

답변 있음
How do I circularly shift the alphabet without using circshift function?
alphabet = 97 : 122; >> char(alphabet) ans = abcdefghijklmnopqrstuvwxyz shifted_alphabet = alphabet-3;...

13년 초과 전 | 0

답변 있음
Error in running the Scene change detection example in CV system toolbox
Replace the following line: mean_blks_prev = zeros([15, 1], 'single'); with mean_blks_prev = zeros([numel(X),1], 's...

13년 초과 전 | 1

| 수락됨

답변 있음
how to detect eye location?
You could follow the following general approach. Note that a lot will depend on your image, noise and kind of data. Use imf...

13년 초과 전 | 0

답변 있음
Hiiii...I found trouble in dividing the image into different scale space and smoothing it by gaussian filter
If you don't have the Computer Vision System Toolbox and want to compute the scale space, why don't you just do the smoothing yo...

13년 초과 전 | 0

답변 있음
A function that calculates how many entries' value and location are the same between two matrices
Try this: nnz(A==B) Ideally, you should be taking into account differences arising from floating point precision by defi...

13년 초과 전 | 0

답변 있음
A function that calculates how many entries' value and location are the same between two matrices
Shouldn't the answer be 4? The 2's at location(3,1) also match.

13년 초과 전 | 0

답변 있음
How to evaluate image segmentation results?
Two of the standard metrics used for image segmentation are dice overlap coefficient and jaccard index. These metrics measure th...

13년 초과 전 | 1

답변 있음
Matching an image with a database
BoF seems like a reasonable approach to this problem. Usually, you are working with a much larger set of images than just 5. Cru...

13년 초과 전 | 3

| 수락됨