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A flipped image is a static or moving image that is generated by a mirror-reversal of an original across a horizontal axis, making the image upside-down. In contrast, a flopped image is mirrored across the vertical axis, as in a conventional mirror image.[1]
- ^ Ron Brinkmann, "The Art and Science of Digital Compositing: Techniques for Visual Effects", Morgan Kaufmann Publishers (2008), pp. 132–3. ISBN 978-0-12-370638-6 ...shows examples.