Community Profile

Cavin Dsouza

Mumbai University

Active since 2012

Professional Interests: Number Theory, Data Compression and Encryption,Image Processing

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GrtyCalcIndianEmpl.zip
Gratuity Calculator for Indian Monthly Salaried Employees

Solved

Given a and b, return the sum a+b in c.

8 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

8 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

8 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

8 years ago

Submitted

To check date Validity
The program checks whether a date entered in DD/MM/YYYY format is a valid one or not.

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Simulation of DCT, Walsh, Hadamard, Haar and Slant transform using variable block sizes
Performs non sinusoidal image transforms on gray-scale images and DCT using the dct matrix.

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Basis Images generation of 4*4 order of DCT, DST, Walsh, Hadamard , Haar and Slant
Generates 4*4 order basis images of sinusoidal and non sinusoidal transforms

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Denoising using Median Filtering
Eliminates salt and pepper noise from an image except at the boundary pixels.

Submitted

It helps in edge detection, Image smoothening depending upon the masking matrices used.

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Return-to-zero (RZ) line coding
Rz is a line code used in telecommunications in which the signal drops to zero between each pulse.

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Manchester Line Coding
It is a line code in which the encoding of each data bit has at least one transition.

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Non-Return-to-Zero (NRZ) line code
In telecommunication, a non-return-to-zero (NRZ) line code is a binary code.

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Contrast Stretching
A simple image enhancement technique that attempts to improve the contrast of an Image.

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Linear Translation and Rotation of an Image
The code performs translation on the image and rotation as per user entered specification.

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Concept of Thresholding
Using histogram of an image, one can decide a threshold to convert gray-scale image to binary image.

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Histogram Equalization
It is the re-distribution of gray level values uniformly.

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Zooming and Shrinking of an Image
This code explains how an Image can be resized by u user entered zooming or shrinking factor.

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Basic arithmetic and logical operations on an Image(Gray-Scale)
This code illustrates results seen after performing various it and arithmetic operations on Images.

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POWERMOD
The function calculates A = powermod(base,exponent,modulus)

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Arithmetic Coding and decoding
Encodes a message using arithmetic coding and decodes it

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Compute the Entropy of an entered text string
Computes the entropy of a user entered string.