From the course: Computer Science Principles: Digital Information
Join today to access over 22,700 courses taught by industry experts or purchase this course individually.
Image compression and file formats
From the course: Computer Science Principles: Digital Information
Image compression and file formats
- Images and photographs can take up a lot of space depending on the size and amount of color accuracy that needs to be captured in the image. In theory, there are an infinite number of colors that you can create through variations of red, green, and blue light. But at a certain point, people can't tell the subtle differences between colors. It is like when you go to the home improvement store to buy paint. You look at the thousands of color swatches that line the wall. You might take two colors and put them side by side and say, "these are different"? Take these colors for example. These are actually two different colors. The color on the left is slightly redder and greener than the color on the right. But you probably couldn't tell the difference, right? That's one trick that is used to reduce the size of photographs and images. Reduce the number of color variations. One popular way to do that is to look at the GIF format. You can pronounce it gif or jif and there's actually quite a…
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.