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Comment The images which explain this illusion are uploaded and linked on the image page.Image:Right spinning dancer.gif and Image:Left spinning dancer.gif--Muhammad (talk) 15:15, 14 February 2008 (UTC) Support Well executed illusion, fascinating when it works. vlad§inger tlk 03:22, 15 February 2008 (UTC)
The spinning dancer is a kinetic, bistable optical illusion resembling a rotating female dancer. The Spinning Dancer, also known as the Silhouette Illusion, is a kinetic, bistable, animated optical illusion originally distributed as a GIF animation showing a silhouette of a pirouetting female dancer.
Ambiguous image: These are images that can form two separate pictures. For example, the image shown forms a rabbit and a duck. Ambigram: A calligraphic design that has multiple or symmetric interpretations. Ames room illusion An Ames room is a distorted room that is used to create a visual illusion. Ames trapezoid window illusion
The only requirement was that this image was invisible, either by being the same color as the page, or by being transparent. Spacer GIFs themselves were small transparent image files. GIF files were used as it was a common format that supported transparency, unlike JPEG. These files were commonly named spacer.gif, transparent.gif or 1x1.gif.
Barrier-grid animation or picket-fence animation is an animation effect created by moving a striped transparent overlay across an interlaced image. The barrier-grid technique originated in the late 1890s, overlapping with the development of parallax stereography (Relièphographie) for 3D autostereograms. The technique has also been used for ...
Microsoft GIF Animator is a historical computer software program for Microsoft Windows to create simple animated GIF files based on the GIF89a file format.It was freely downloadable from the Microsoft Download Center but is now only available through MSDN and on third-party download sites.
The Spinning Dancer is a kinetic, bistable optical illusion resembling a pirouetting female dancer. The dancer can be seen to be spinning alternately one direction, or the other. In visual perception, the kinetic depth effect is the phenomenon whereby the three-dimensional structural form of an object can be perceived when the object is moving.
Stephen Earl Wilhite [2] (March 3, 1948 – March 14, 2022) was an American computer scientist who worked at CompuServe and was the engineering lead on the team that created the GIF image file format in 1987. GIF went on to become the de facto standard for 8-bit color images on the Internet until PNG (1996) became a widely supported alternative ...