Blob extraction

Okay kiddo, so imagine you have a big pile of different colored crayons in front of you. You want to separate all the red crayons from the pile so that you can use them for your coloring book. That's kinda like what blob extraction is.

Blob extraction is when we separate certain parts, or blobs, from an image or video. Just like you wanted to separate the red crayons from the pile, we want to separate specific parts from an image or video so that we can focus on them.

But how do we do this? Well, just like you can tell a red crayon from a blue crayon because they look different, we can tell different parts of an image or video apart because of their brightness or color. For example, we might want to extract all the bright white clouds from a picture of the sky.

Once we know what specific parts of the image or video we want to extract, we use computer algorithms to find them and separate them from the rest. This way we can use just the parts we want, and ignore the parts we don't want.

So, blob extraction is like separating the red crayons from the pile by using our eyes to spot them, and then separating them from the rest of the crayons. We use computer algorithms to spot and extract specific parts of an image or video, just like we use our eyes to spot and extract the red crayons.