Crack Detection Matlab Code For Convolution

Terminating the trellis of a convolutional code is a key parameter in the code's performance for packet-based communications. Tail-biting convolutional coding is a technique of trellis termination which avoids the rate loss incurred by zero-tail termination at the expense of a more complex decoder 1. My aim is to develop the SIMPLEST matlab code for automatic detection of cracks and estimate the length of the crack (if possible other geometrical properties) from a sample image.

wiki page for convolution which has a detailed description of Convolution. In simple words, convolution is a mathematical operation, which applies on two values say f and g and gives a third value as an output say v. In convolution, we do point to point multiplication of input functions and gets our output function.Convolution is an important technique and is used in many simulating projects. It has a vital importance in image processing. So, today we are gonna do convolution in MATLAB and will check the output. You should also check Image Zooming with Bilinear Interpolation in MATLAB in which we have used correlation technique which is quite similar to convolution. It will give you a better idea of convolution, I recommend you to read their difference. Anyways, coming back to our today's Convolution Calculator, let's start its designing:

Convolution Calculator in MATLAB

Manual Convolution Matlab

  • The above code for convolution calculator is quite self explanatory but let me explain it a little.
  • First of all, I am asking for inputs from user and they are saved in variables named as x and h.
  • After that I am plotting them using stem function.
  • In the next section, I have used the default MATLAB command for Convolution and calculated the convolution of x and h and saved it in v.
  • Next I applied my simple algorithm and calculated convolution of x and h and saved it in Y and also plotted it.
  • Once you run the simulation and give your input functions, you will get the below results:
  • You can see in the above figure that I have given two inputs x and h and MATLAB Convolution Calculator calculated the convolution and gave us v and Y.
  • v is calculated by default MATLAB command while the Y is calculated by our small convolution algorithm.
  • Their graph representation is shown in the below figure:
  • You can see in the above figure that we have plotted all the four signals, two inputs and two outputs and you can see both the outputs are same.
  • Here's the video for this convolution calculator in MATLAB:
That's how you can design a convolution calculator in MATLAB. Let me know about your experience with this convolution calculator. I am planning to design a GUI for this calculator and will add it in this post.Crack detection matlab code for convolutionalCrack Detection Matlab Code For Convolution

Convolution In Matlab


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Linear Convolution In Matlab

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Crack Detection Matlab Code For Convolutional

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