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An illusory contour is a perceived contour without the presence of a physical gradient. In examples where a white shape appears to occlude black objects on a white background, the white shape appears to be brighter than the background, and the edges of this shape produce the illusory contours. [9]
White-ground technique is a style of white ancient Greek pottery and the painting in which figures appear on a white background. It developed in the region of Attica , dated to about 500 BC. It was especially associated with vases made for ritual and funerary use, if only because the painted surface was more fragile than in the other main ...
The depicted version of Rubin's vase can be seen as the black profiles of two people looking towards each other or as a white vase, but not both. Another example of a bistable figure Rubin included in his Danish-language, two-volume book was the Maltese cross. A 3D model of a Rubin vase
Heracles and Geryon on an Attic black-figured amphora with a thick layer of transparent gloss, c. 540 BC, now in the Munich State Collection of Antiquities.. Black-figure pottery painting (also known as black-figure style or black-figure ceramic; Ancient Greek: μελανόμορφα, romanized: melanómorpha) is one of the styles of painting on antique Greek vases.
Here's the history and meaning behind traditional Halloween colors, including orange, black, purple and green. Experts explain the origins of these spooky hues.
Rubin's vase is an optical illusion in which the negative space around the vase forms the silhouettes of two faces in profile, a well-known example of figure-ground reversal by emphasizing that negative space. FedEx's logo displays an arrow between letters E and x. Not being in full silhouette, the effect is subtle and may not be noticed.
Vases in use are sometimes depicted in paintings on vases, which can help scholars interpret written descriptions. Much of our written information about Greek pots come from such late writers as Athenaios and Pollux and other lexicographers who described vases unknown to them, and their accounts are often contradictory or confused.
Black-topped red ware jar, Metropolitan Museum of Art. Black-topped pottery is a specialized type of Ancient Egyptian pottery that was found in Nubian archaeological sites, including Elephantine, an island on the Nile River, Nabta Playa in the Nubian Desert, and Kerma in present-day Sudan.