The processing tag has no wiki summary.
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Validation of Signal Pre-Processing methods?
I have to design a set of Pre-Processing methods for an acoustical signal for further neural networks classification.How can I validate my methods?
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63 views
generating ultrasonic sound in matlab
I am working for my class project on making animal repellent , I need to know how I could go about taking a normal audio file and shift its frequency/Pitch very high to make it an ultrasonic sound.
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code is supposed to draw epipolar line on graph: but not drawing any line, only showing points [closed]
i am trying to draw epipolar lines for certain point, from left image to right image plane. my code is supposed to draw epipolar lines based on fundamental matrix. but it is not drawing any line, i ...
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3answers
116 views
Best method to extract phase shift between 2 sinosoids, from data provided
I have been asking around if the way I was extracting phase shift (lag) was correct, and I ran into some trouble... so in general, given 2 arrays of data of the same length, one represents the input ...
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64 views
Computation time 1) fft, 2) 2-d convolution, 3) two 1-d convolution
Consider filtering square n*n images by square,separable m*m filters. What are the general computation time for the following approaches 1) FFT 2) by 2-D convolution 3) by two 1-D convolutions. ...
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27 views
Gauss Markov Process
I am trying to generate a random signal that represents a gyroscope drift. I know the Allan Variance characteristics of the signal (ARW, RRW, Bias Instability and Cluster Time for for Bias ...
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2answers
157 views
Understanding the parameters for a Bilateral Filter
Allow me to show you a snip from Szeliski's Computer Vision book on bilateral filter. I don't know how to interpret these kernel definitions:
In the actual summation what values do the $k$ and $l$ ...
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2answers
147 views
Calculating bpm from machine sound (not music)
I have a hydraulic breaker on a excavator that hammers with a dynamic bpm. I have recorded this sound so that it is in a mp3-file and would like to determine the momentary bpm for the length of the ...
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1answer
62 views
Contrast Enhancement for subjects under Flash
For a machine vision application, we take short duration (50uSec) monochrome pictures with IR flash. The images we get are decent quality however the light color subjects (light blue, light green, ...
