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Question
I am getting better accuracy with Euclidean distance for Zernike features than SVM or ANFIS. Is it possible?
I have extracted Zernike Moment features from ORL face database and classified using SVM (libsvm tool), ANFIS of MATLAB, Euclide...
nästan 10 år ago | 1 answer | 0
1
answerQuestion
What is the difference between Gabor Filters, Gabor wavelets and Gabor wavelet transform?
I have read several papers and the terms Gabor wavelets and Gabor filters have been used interchangeably. Also, Gabor wavelet tr...
mer än 10 år ago | 0 answers | 0
0
answersQuestion
Why chi-square distance is used to compare two histograms? And will it be be useful to compare two feature vectors of histogram of oriented gradients?
I have googled a lot but still not able to find the basic reason that why actually ch-square distance is good to compare two his...
nästan 11 år ago | 0 answers | 0
0
answersQuestion
what is the time complexity for HOG descriptors?
Is it O(N*N) for an N*N image?
ungefär 11 år ago | 0 answers | 0
0
answersRecognise the test image...
This might be because the code must be finding the minimum distance between test images and images in database. And then outputt...
mer än 11 år ago | 1
| accepted
Question
Fourier Transform for object recognition with noise
I am using Fourier Transform for object recognition. I got > 90% recognition accuracy. when i add noise say salt & pepper noise ...
mer än 11 år ago | 1 answer | 0
1
answerQuestion
Applications where Radial Basis and Probabilistic Neural Networks are successful respectively?
Can someone please explain the application areas of Radial Basis and Probabilistic Neural Networks? I mean How to identify where...
mer än 11 år ago | 1 answer | 0
1
answerQuestion
How to calculate image reconstruction error of the Fourier Transformed image.
I performed the Fourier transform of an image. Then I am reconstruction the image using only low frequency components. How can I...
mer än 11 år ago | 0 answers | 0
0
answersQuestion
How to rotate an image along y-axis?
I want to rotate an image along y-axis. I tried using 'rotate' command of MATLAB but could not succeed. Can anyone plz help?
nästan 12 år ago | 2 answers | 0
2
answersHow to find euclidean distance
if you have two vectors with any number of point, for instance, x1=[1 2 3 4 5] and x2=[2 3 4 5 6], then Euc_dist = norm( x1 - x...
nästan 12 år ago | 2
Question
Can Fourier coefficients be classified using RBF network?
I am trying to perform image classification. I am extracting Fourier coefficients from the image. on performing classification u...
nästan 12 år ago | 0 answers | 0
0
answersQuestion
I am trying to use the newrbe function of matlab to implement the RBF network. Can someone please tell that what algorithm it is actually using?
I mean training algorithm. If it is pseudo-inverse/ gradient descent or what?
nästan 12 år ago | 0 answers | 0
0
answersQuestion
Euclidean distance between two vectors of complex numbers
I have two vectors of complex numbers and want to compute Euclidean distance between them. whether I should use d = norm(A - ...
nästan 12 år ago | 1 answer | 0
1
answerQuestion
Face recognition using back propagation network.
I am trying to implement face recognition system. I am extracting the zernike features. the length of my feature vector is 49. o...
nästan 12 år ago | 1 answer | 0
