April 20, 2020 | By Foclar

Image processing basics (Part 3)

In order to understand forensic enhancement software, it is important to have some basic image processing knowledge. In this series of five blogposts, we will explain more about basic terms that are at the roots of forensic image and video enhancement.

In this third week, we will answer the following question:

What is an image histogram?

A histogram can be used to plot the pixel values of a certain image. It is an easy way to show how the pixel values of an image are distributed, and also to see how light/dark the image is.

Take a look at the video below, to see examples of histograms of different types of images and to learn more about this topic:

Klik hier om de video af te spelen

 Click the above image to view the video.

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