From the course: Pro Video Tips

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Why you get moire and aliasing

Why you get moire and aliasing

From the course: Pro Video Tips

Why you get moire and aliasing

- Moire is one of those common video problems that we all will likely encounter sooner rather than later. Even if you're not familiar with the name already, chances are that you'd seen this problem more than once in your own videos and probably on TV as well. Moire is that weird, trippy, multicolored, vibrating pattern that's sometimes created whenever we're shooting repeated patterns with fine details or any other thin line pattern where the lines are very close together. Specifically, I'm talking about things like pinstripes, small checkers, or herringbone patterns. So what exactly causes moire? Well, moire is a form of aliasing which occurs when the camera incorrectly samples an image. Remember, many cameras these days especially DSLRs have huge imaging chips for capturing still photos. However, when these dual purpose cameras are switched from still photo mode to video mode, they have to use some tricky math to downsample the image to standard HD resolutions. If we're talking…

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