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ramdas patil


19 total contributions since 2014

Professional Interests: signal processing

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Question


Single vehicle tracking using Fourier transform-MATLAB
I am working on a project which is based on importance of phase only reconstruction of a signal obtained from fft. Now ,I hav...

fast 6 Jahre ago | 0 answers | 0

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answers

Question


Which information do we get from phase spectrum about an Image?
I know about <http://whatis.techtarget.com/definition/phase Phase of 1 D signal> , but when I move into higher dimensions l...

fast 6 Jahre ago | 1 answer | 0

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answer

Question


How Fourier Synthesis is performed using Matlab ?
I have read about Fourier Synthesis http://whatis.techtarget.com/definition/Fourier-synthesisFourier-synthesis I want to ...

fast 6 Jahre ago | 2 answers | 0

2

answers

Question


calculation of sampling rate of an image
Hello everyone,i have a doubt…. I know that for a given signal, the sampling frequency Fs must be twice or more than maximum ...

mehr als 6 Jahre ago | 0 answers | 2

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Question


Image Reconstruction:Phase vs. Magnitude
Figure 1.(c) shows the Test image reconstructed from MAGNITUDE spectrum only. We can say that the intensity values of LOW freque...

mehr als 6 Jahre ago | 0 answers | 0

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Question


How are phase values able to capture motion from video?
Hello everyone, I know that the phase spectrum contains most of the structural information about the image. *But I want to kn...

mehr als 6 Jahre ago | 0 answers | 0

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Question


Phase-Based Video Motion Processing
i know that the phase spectrum contains most of the structural information about the image.But *i want to know more about import...

mehr als 6 Jahre ago | 0 answers | 0

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Question


Is it possible to decompose any image into basis images using MATLAB??
Hello everyone , *i have read that any arbitrary image can be represented as summation of othogonal basis images.i want to see t...

mehr als 6 Jahre ago | 1 answer | 1

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Question


how do i generate sound using MATLAB?
I want to generate and play **sound for frequencies 100Hz and 200Hz tones for 10 sec and 5 sec respectively using MATLAB With sa...

mehr als 6 Jahre ago | 3 answers | 0

3

answers

Question


Magic of Fourier Transform ???
Hello everyone,i am doing my project in image processing.. i have done video sementation using the Fourier transform . *I appli...

mehr als 6 Jahre ago | 2 answers | 0

2

answers

Question


Is it possible to convert from 2D to 3D ?
I have captured car positions at different frames. Suppose *car's(e.g.left side car which is coming towards us in the images) ce...

mehr als 6 Jahre ago | 0 answers | 1

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Question


Unable to track single vehicle to compute distance traversed by it
I have successfully detected the vehicles with my algorithm,now I want to calculate the speed of vehicle(s) as u see in the f...

fast 7 Jahre ago | 1 answer | 0

1

answer

Question


Unable to write images of type 'double'
I have obtained Fourier spectrum of an image and want to save the result image into the folder as specified in my code. but a...

fast 7 Jahre ago | 1 answer | 0

1

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Question


What does phase spectrum of image signal mean?????
Hello everyone....!!! I take phase spectrum of an image using Fourier transform, but I don't understand what it represents....

fast 7 Jahre ago | 2 answers | 1

2

answers

Question


What is the Difference between Texture and Image..????
Hello everyone i am beginner in the image processing . *i want to know what is difference between Texture and Image? or whet...

fast 7 Jahre ago | 1 answer | 0

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Question


How To Properly Fill The Shape Of Detected Object Using Morphological Image Processing???
<</matlabcentral/answers/uploaded_files/13011/2.png>> hello everyone, i am taking video frames of traffic on road and u...

fast 7 Jahre ago | 3 answers | 0

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Question


how to label and detect biggest rectangle amongst others???
<</matlabcentral/answers/uploaded_files/12945/rgbb.png>> 1.i want to perform numbering on each rectangle in the image.how sho...

fast 7 Jahre ago | 1 answer | 0

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Question


i want to speed up my code for Fourier Transform .how can i do it??
I Am taking selective frames from a video and applying 3D FFT. I want to reduce the execution time of the 3D FFT & IFFT. How can...

fast 7 Jahre ago | 1 answer | 1

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Question


i m taking videoframes&applying 3-D FFT.but takes 2-3 hours for execution.Is there any way to speed up the code from 2-3 hours to few minutes (using e.g.vectorization,preallocation or any other way)????
for t=1:100:T-31; %T is no of frames.... and i am taking selective frames from video f1= read(video,t); %read frames...

fast 7 Jahre ago | 0 answers | 0

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