Abstract
The historical origins of optical art are traced. The features of the main techniques used by optical artists are discussed from a theoretical point of view. Such techniques include the juxtaposition of colors, three-dimensional projections, the use of optical components, and the application of the moiré technique. An optical theory of the appearance of edges based on the superposition of the after-image is presented. It is suggested that the highly geometrical figures of phosphenes can provide further inspiration for artists.
© 1965 Optical Society of America
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Stanley David Gedzelman
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William C. Hoffman
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