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Geetika


Active since 2013

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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...

9 years ago | 1 answer | 0

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answer

Question


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...

9 years ago | 0 answers | 0

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answers

Question


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...

10 years ago | 0 answers | 0

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Question


what is the time complexity for HOG descriptors?
Is it O(N*N) for an N*N image?

10 years ago | 0 answers | 0

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Answered
Recognise 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...

10 years 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 ...

10 years ago | 1 answer | 0

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answer

Question


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...

11 years ago | 1 answer | 0

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answer

Question


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...

11 years ago | 0 answers | 0

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answers

Question


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?

11 years ago | 2 answers | 0

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answers

Answered
How 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...

11 years 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...

11 years ago | 0 answers | 0

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answers

Question


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?

11 years ago | 0 answers | 0

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answers

Question


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 - ...

11 years ago | 1 answer | 0

1

answer

Question


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...

11 years ago | 1 answer | 0

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answer