February 2019
Intermediate to advanced
260 pages
6h 3m
English
Now, let's see how we can detect edges in a computer system where images actually are just metrics with numbers. Let's suppose we have this screenshot:

We have white on the left and black on the right. This will be represented in Java, for example, as follows:

255 will be white, and 10 will be black.
Then, we'll define a convolution operation with a small matrix, which will be called the Vertical Filter:

The vertical ...