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Image convolution

Using the Sample Application A Sample Application has been included with this article’s sample source code. The Sample Application has been developed to target the Windows Forms platform. Using the Sample Application users are able to select a source/input image from the local file system an...
  Windows        C#     

Discrete and Continue Signal convolution

Discrete-time Signal has three main points, x[n], h[n] and y[n]. x[n] referred to initial signal, h[n] referred to impulse response and y[n] is referred to result of convolution signal. convolution process includes reflection, shifting, and multiplication. Continuous-time Signal also ha...
  Matlab        Matlab     

convolutional Encoder Viterbi Encoder

convolutional Encoder (2 to 5 rating) and Soft Decision Viterbi Decoder implemented in MATLAB convolutional Encoder and Viterbi Decoder  % Generator polynomials g1 = [1,0,1,0,0,1,1,1]; g2 = [1,1,1,1,0,1,1,0]; g3 = [0,1,1,1,1,0,0,1]; g4 = [1,0,1,1,0,1,1,0];...
  Algorithm        Matlab     

convolution Using Discrete Sine and Cosine Transforms

An alternative method for linear convolution Using Discrete Sine and Cosine Transforms, published in V. G. Reju, S. N. Koh and I. Y. Soon, “convolution Using Discrete Sine and Cosine Transforms,” IEEE Signal Processing Letters, Vol. 14, NO. 7, July 2007, pp. 445–448. (Second among the t...
  Algorithm        Matlab     

MATLAB implementation of two-dimensional convolution custom functions

This code is used for imaging of two-dimensional convolution, function as a custom function, the basic realization of MATLAB functions built-in functions. This function takes two variables, a name for a picture, eg:'a.jpg' two for the convolution kernel matrix The f...
  Matlab        Matlab     

2D convolution

Aim: To write MATLAB function for 2-D convolution. Theory: 2-D convolution can be performed through matrix multiplication. To do this, form ,the block matrices H0,H1 etc. from one of the matrices and block toeplitz Matrix has to be formed from the block matrices.The other matrix is written in c...
  Image Processing        Matlab     

convolution filtering operation principle

Principle of two-dimensional convolution operation, programming the convolution filter, learning its principles, calculation process...
  Graph        C++     

convolutional codes

This archive includes convolutional Encoder and Hard Decision Viterbi Decoder. Function convlenc.m encodes test messages by convolutional codes. Function viterbidec gets an encoded message (encoded by a convolutional encoder) as argument and returns the decoded message usin...
  Matlab        Matlab     

convolutional coding and Viterbi decoding

MATLAB code convolutional coding and Viterbi decoding, process from the English version of modern communication systems using MATLAB, man with a good:)-convolutional codes, Viterbi decoding MATLAB code and procedures from the "modern communication systems-using Matlab" in English, with a good person...
  Communication        Matlab     

VHDL for 16 bit Time Domain convolution

convolution is a common operation in digital signal processing. In this project, I created a custom circuit implemented on the Nallatech board that exploits a significant amount of parallelism to improve performance compared to a microprocessor. convolution takes as input a signal and a kernell The...
  vhdl      VHDL     

convolutional code

Coding is a technique where redundancy is added to original bit sequence to increase the reliability of the communication. In this article, lets discuss a simple binary convolutional coding scheme at the transmitter and the associated Viterbi (maximum likelihood) decoding scheme at the receiv...
  Matlab        Matlab     

Fast Total Variation Deconvolution

Fast Total Variation Deconvolution In this version, we implemented the Alternating Direction Method (ADM), this version avoids the ill-conditioning caussed by large penalty paramter by considering the augmented Lagrangian and ADM....
  Matlab        Matlab     

convolution matlab code

convolution matlab code and I hope it is usefullllllllllllllllllllllllllllllllllll so any body can understand and use it especially for teachers and students ...
  Matlab        Matlab     

Image deconvolution using a natural image prior

This code provides a detailed description of the deconvolution algorithms. My approach is to introduce prior into the deconvolution process, and search for an x which will more or less explain the  observed image y, but will also be a good image accordin...
  Matlab        Matlab     

Handling Outliers in Non-Blind Image Deconvolution

Non-blind deconvolution is a key component in image deblurring systems. Previous deconvolution methods assume a linear blur model where the blurred image is generated by a linear convolution of the latent image and the blur kernel. This assumption often does not hold in practice due to various types...
  Matlab        Matlab     

Tail-biting convolutional coding, punching simulation

Using MATLAB with convolutional coding and decoding process, realization of tail-biting convolutional codes, punching capabilities. Main tip is: How to get initial state of the encoder is in a tail-biting How to calculate the length of punch At the end how to decode decoder c...
  Matlab        Matlab     

convolutional coding

Complete the convolutional code generation, entered as 2 hexadecimal encoding, and encoding of the output for the two, using (2,1,3) convolutional coding, one input, two output, mainly used for wireless or wired communication channel coding, and user-friendly high coding efficiency, error correction...
  Communication      Verilog     

LDPC convolutional Codes

LDPC convolutional codes based on a paper by Feltstrom and Zigangirov: "Periodic Time-Varying convolutional Codes with Low-Density Parity-Check Matrix." LDPC-CC Matlab files: makeBaseLdpccc.m encodeLdpccc.m parityCheckMatrixHT.m minSum.m decodeLdpccc.m ldpcccBER.m...
  Communication        Matlab     

circular convolution of two one dimensional sequences

helps to find the circular convolution of two one dimensional sequences...
  Matlab        Matlab     

overlap save method to find the convolution of long sequence

overlap save method helps to find the convolution of  long sequence...
  Matlab        Matlab     

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