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Digital Image Processing

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  Image processing is the process of manipulating digital images. See a list of image processing techniques, including image enhancement, restoration, & others. Digital image processing is the use of a digital computer to process digital images through an algorithm. As a subcategory or field of digital signal processing, digital image processing has many advantages over analog image processing. It allows a much wider range of algorithms to be applied to the input data and can avoid problems such as the build-up of noise and distortion during processing. Since images are defined over two dimensions or more, digital image processing may be modeled in the form of multidimensional systems.  The generation and development of digital image processing are mainly affected by three factors: first, the development of computers; second, the development of mathematics (especially the creation and improvement of discrete mathematics theory); and third, the demand for a wide range ...
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Introduction To Boolean Logic Circuits : Part 2

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Hello guys sorry for the late post since i was busy with something else, from now  on i will be posting regularly so stay tuned  In the previous session we learned about boolean algebra its significance, truth tables, and some logic operators also known Logic gates In this session we will know about the other operators we use in boolean circuits . Part 1 Introduction to Boolean Logic : 01 MORE LOGIC OPERATORS Till now we have studied about AND, OR & NOT operator these were the basic operators . There are two more types of operators : Universal operators i.e. NOR & NAND Special operators i.e. XOR & XNOR NOR OPERATOR   This Operator is a culmination of two operators OR operator followed by NOT operator. It simply reverses the value of OR operator. All outputs of NOR operator is 0 if any of the inputs is 1. It can be represented as ( A + B) dash = Y read as A NOR B The truth table of NOR operator is as follows: NAND OPERATOR This operator follows an order of AND ...
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Introduction To Boolean Logic Circuits : Part 1

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What is Boolean logic ? And why do we need it ? To understand making logic circuits , first we need to know what is Boolean Algebra ? BOOLEAN ALGEBRA Boolean algebra also know as ' Switching Algebra ' is a symbolic analysis of relay switching circuits. It is represented in Binary Quantities , that in either  YES or NO , 1 or 0 , TRUE or FALSE , ON or OFF . statements  which can be determined to be true or false are called logical statements or truth functions and the results TRUE or FALSE are called truth values . The truth values are depicted by logical constants TRUE and FALSE or 1 and 0. 1 means TRUE and 0 means FALSE. And the variables which can store these truth values are called logical variables or binary valued variables as these can store one of the two values TRUE or False. Till now you may have understood what is Boolean algebra now we come to how to make truth tables. TRUTH TABLE A Truth Table is a table which represents all the possible values of log...
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