# Explanation

## What is histogram? How low brightness and high brightness images can be identified from a histogram? DIP

Histogram:  The histogram plots the number of pixels in the image (vertical axis) with a particular brightness value (horizontal axis). Considering the following graph, Here the vertical axis is showing the no of pixels and horizontal axis is showing the grey-levels of the image. From this histogram of that image it is found that the …

## Describe the high pass filter. DIP

High Pass Filter: Considering the grey-scale values of a part of an image as below, Here, we have taken 9 grey scale values. It is seen that the 5th value is very different than the other 8 values, that is a big change is occurring at that point due to the big change of the …

## Describe the median pass filter. DIP

Median Filter: Median filter, as the name implies, replaces the center value of a mask with the median of all the values of the mask. Simply taking some grey-scale values of an image and taking a 3×3 mask. Now we have 9 values and the 5th value is the median. Thus, the center value of …

## Describe the Von Neumann Architecture or IAS architecture.

Von Neumann Architecture:  In 1947, John Von Neumann developed an architecture of a new stored-programmed electronic computer which is also referred as the IAS computer as the Institute for Advanced Studies in Princeton. Key concepts of that design are as follows. Stored program concept. Data and instructions are stored in a single read-write memory. Arithmetic …

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