"café-wall illusion" meaning in English

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      "form": "café-wall illusions",
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      "expansion": "café-wall illusion (plural café-wall illusions)",
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  "lang_code": "en",
  "pos": "noun",
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          "word": "café wall illusion"
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          "ref": "1995, Daniel B. Olfe, “Rectangular Arrays in Art and Pattern Design”, in Computer graphics for Design: From Algorithms to AutoCAD®, Englewood Cliffs, N.J.: Prentice Hall, →ISBN, chapter 5 (Arrays of Graphical Elements), page 109:",
          "text": "Staggered filled squares produce the café-wall illusion.",
          "type": "quote"
        },
        {
          "ref": "1995, Steve Hagen, “Inertia”, in How the World Can Be the Way It Is: An Inquiry for the New Millennium into Science, Philosophy, and Perception, Wheaton, Ill.: Quest Books, →ISBN, part III (What Matters), page 268:",
          "text": "We still see the tapered tiers of the café-wall illusion even after we know their defining lines to be parallel, but we now accept our earlier impression as a naïve, less tangible, or less valid view.",
          "type": "quote"
        },
        {
          "ref": "2013, Paul M. Baars, “Estimated Sizes, Image Distortions, and Geometric Illusions”, in Illusion Confusion: The Wonderful World of Optical Deception, London: Thames & Hudson, published 2014, →ISBN, page 272:",
          "text": "The famous café-wall illusion is a variation of the shifted-chessboard or Münsterberg illusion, 1897, in which the lines between the rectangles are black instead of gray.",
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        "Alternative form of café wall illusion."
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  "word": "café-wall illusion"
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          "ref": "1995, Daniel B. Olfe, “Rectangular Arrays in Art and Pattern Design”, in Computer graphics for Design: From Algorithms to AutoCAD®, Englewood Cliffs, N.J.: Prentice Hall, →ISBN, chapter 5 (Arrays of Graphical Elements), page 109:",
          "text": "Staggered filled squares produce the café-wall illusion.",
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        },
        {
          "ref": "1995, Steve Hagen, “Inertia”, in How the World Can Be the Way It Is: An Inquiry for the New Millennium into Science, Philosophy, and Perception, Wheaton, Ill.: Quest Books, →ISBN, part III (What Matters), page 268:",
          "text": "We still see the tapered tiers of the café-wall illusion even after we know their defining lines to be parallel, but we now accept our earlier impression as a naïve, less tangible, or less valid view.",
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        },
        {
          "ref": "2013, Paul M. Baars, “Estimated Sizes, Image Distortions, and Geometric Illusions”, in Illusion Confusion: The Wonderful World of Optical Deception, London: Thames & Hudson, published 2014, →ISBN, page 272:",
          "text": "The famous café-wall illusion is a variation of the shifted-chessboard or Münsterberg illusion, 1897, in which the lines between the rectangles are black instead of gray.",
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        }
      ],
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        "Alternative form of café wall illusion."
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