Magic Eye: A New Way of Looking at the World, 3D illusions: Volume 1

Product Information

A single image random text ASCII stereogram is an alternative to SIRDS using random ASCII text instead of dots to produce a 3D form of ASCII art. Please be aware that the delivery time frame may vary according to the area of delivery - the approximate delivery time is usually between 1-2 business days. a b The terms "cross-eyed" and "wall-eyed" are borrowed from synonyms for various forms of strabismus, a condition where eyes do not point in the same direction when looking at an object. Wall-eyed viewing is informally known as parallel-viewing. Unlike normal stereograms, autostereograms do not require the use of a stereoscope. A stereoscope presents 2D images of the same object from slightly different angles to the left eye and the right eye, allowing us to reconstruct the original object via binocular disparity. When viewed with the proper vergence, an autostereogram does the same, the binocular disparity existing in adjacent parts of the repeating 2D patterns.

Magic Eye – Home of Magic Eye Inc. Magic Eye – Home of Magic Eye Inc.

In the 1970s, Baccei was a bus driver for Green Tortoise, a purported “hippie” transportation company. He eventually moved on to work for Pentica Systems, a computer hardware company located just outside of Boston, Massachusetts. There, Baccei was tasked with advertising a MIME in-circuit emulator, which helped debug computer systems. Perhaps inevitably, he hired a mime for the ad. Horibuchi, S. (1994). Stereogram, pp. 8–10, 22, 32, 36. San Francisco: Cadence Books. ISBN 0-929279-85-9. The term stereogram is used as a synonym of stereo pair, autostereogram, and random dot autostereogram throughout the book. Stereopsis, or stereo vision, is the visual blending of two similar but not identical images into one, with resulting visual perception of solidity and depth. [21] [22] In the human brain, stereopsis results from complex mechanisms that form a three-dimensional impression by matching each point (or set of points) in one eye's view with the equivalent point (or set of points) in the other eye's view. Using binocular disparity, the brain derives the points' positions in the otherwise inscrutable z-axis (depth).When one moves one's attention from one depth plane to another (for instance, from the top row of the chessboard to the bottom row), the two eyes need to adjust their convergence to match the new repeating interval of patterns. If the level of change in convergence is too high during this shift, sometimes the brain can lose the hard-earned decoupling between focusing and convergence. For a first-time viewer, therefore, it may be easier to see the autostereogram, if the two eyes rehearse the convergence exercise on an autostereogram where the depth of patterns across a particular row remains constant. Depth maps [ edit ] Depth map example autostereogram: Patterns in this autostereogram appear at different depth across each row. a b c d Tyler, C.W. (1994). "The Birth of Computer Stereograms for Unaided Stereovision". In Horibuchi, S. (Ed.), Stereogram (pp. 83–89). San Francisco: Cadence Books. ISBN 0-929279-85-9. Wade, Nicholas (1996). "Descriptions of visual phenomena from Aristotle to Wheatstone". Perception. 25 (10): 1137–1175. doi: 10.1068/p251137. PMID 9027920. S2CID 21480863. The eye adjusts its internal lens to get a clear, focused image The two eyes converge to point to the same object

Magic Eye - Wikipedia

The story of Magic Eye begins at a technology company in a quiet office park outside of Boston. At the start of the ’90s, Baccei was working as the U.S. manager of Pentica Systems, a British company that sold in-circuit emulators, small devices that were used to debug early computers. At the time, Pentica was looking to boost sales in the United States for a product called the MIME in-circuit emulator, and it was up to Baccei to create an advertisement to run in a national trade magazine. Tyler, C.W. and Clarke, M.B. (1990) " The Autostereogram". Stereoscopic Displays and Applications, Proc. SPIE Vol. 1258:182–196. Japanese designer Masayuki Ito, following Julesz, created a single image stereogram in 1970 and Swiss painter Alfons Schilling created a handmade single-image stereogram in 1974, [8] after creating more than one viewer and meeting with Julesz. [13] Having experience with stereo imaging in holography, lenticular photography, and vectography, he developed a random-dot method based on closely spaced vertical lines in parallax. [14] It is generally thought that amblyopia is a permanent condition, but NPR reports a case where a patient with amblyopia regains stereo vision ( Susan R. Barry). [24]a b c Stephen M. Kosslyn, Daniel N. Osherson (1995). An Invitation to Cognitive Science, 2nd Edition - Vol. 2: Visual Cognition, p. 65 fig. 1.49. ISBN 978-0-262-15042-2. Donald Row, Talmage James Reid (2011). Geometry, Perspective Drawing, and Mechanisms, p. 142. ISBN 978-981-4343-82-4. Julesz, B. and J.E. Miller. (1962). "Automatic stereoscopic presentation of functions of two variables". Bell System Technical Journal, 41:663–676; March. The brain gives each point in the Cyclopean image a depth value, represented here by a grayscale depth map. To Smith, the magic of Magic Eye goes well beyond the initial “ah-ha” moment. For some people, she adds, it’s almost like an addiction. “When you see it in 3-D, it puts you in an altered state,” she says. “It increases your alpha waves and makes you feel happy.”

Magic Eye, A New Way of Looking at the World by Cheri Smith Magic Eye, A New Way of Looking at the World by Cheri Smith

The 3D shark in this random-dot autostereogram has a smooth, round shape due to the use of depth map with smooth gradient. ( ) Marr, D. and Poggio, T. (1976). "Cooperative computation of stereo disparity". Science, 194:283–287; October 15. Wallpaper autostereogram is a single 2D image where recognizable patterns are repeated at various intervals to raise or lower each pattern's perceived 3D location in relation to the display surface. Despite the repetition, these are a type of single image autostereogram. Smooth gradients can also be achieved with an intelligible pattern, assuming that the pattern is complex enough and does not have big, horizontal, monotonic patches. A big area painted with monotonic color without change in hue and brightness does not lend itself to pixel shifting, as the result of the horizontal shift is identical to the original patch. The following depth map of a shark with smooth gradient produces a perfectly readable autostereogram, even though the 2D image contains small monotonic areas; the brain is able to recognize these small gaps and fill in the blanks ( illusory contours). While intelligible, repeated patterns are used instead of random dots, this type of autostereogram is still known by many as a Random Dot Autostereogram, because it is created using the same process.Delivery with Standard Australia Post usually happens within 2-10 business days from time of dispatch. Please be aware that the delivery time frame may vary according to the area of delivery and due to various reasons, the delivery may take longer than the original estimated timeframe. Ione, Amy (2005). Innovation and Visualization: Trajectories, Strategies, and Myths. Rodopi. p.211. ISBN 90-420-1675-2 . Retrieved 2013-07-02. Kompaneysky, Boris N. (1939). "Depth sensations: Analysis of the theory of simulation by non exactly corresponding points", Bulletin of Ophthalmology (USSR) 14, pp.90–105. (in Russian) Stereogram was originally used to describe as a pair of 2D images used in stereoscope to present a 3D image to viewers. The "auto" in autostereogram describes an image that does not require a stereoscope. The term stereogram is now often used interchangeably with autostereogram. [29] Dr. Christopher Tyler, inventor of the autostereogram, consistently refers to single image stereograms as autostereograms to distinguish them from other forms of stereograms. [18] [ need quotation to verify] For Smith, Magic Eye is still very much alive, even if the initial fervor has died down. She and her small team have turned Magic Eye into a creative agency of sorts, where they make custom work for companies who want advertisements, posters, and products emblazoned with Magic Eye’s distinct brand of visual chaos. They’re currently working on a 25th anniversary edition of a Magic Eye book, and recently made a poster for Steven Spielberg’s Ready Player One.

Autostereogram - Wikipedia

However, icons in a row do not need to be arranged at identical intervals. An autostereogram with varying intervals between icons across a row presents these icons at different depth planes to the viewer. The depth for each icon is computed from the distance between it and its neighbor at the left. These types of autostereograms are designed to be read in only one way, either cross-eyed or wall-eyed. All autostereograms in this article are encoded for wall-eyed viewing, unless specifically marked otherwise. An autostereogram encoded for wall-eyed viewing will produce inverse patterns when viewed cross-eyed, and vice versa. [b] Most Magic Eye pictures are also designed for wall-eyed viewing. It was not until 1838 that the Charles Wheatstone published an example of cooperation between the images in the two eyes: stereopsis (binocular depth perception). He explained that the depth arose from differences in the horizontal positions of the images in the two eyes. He supported his explanation by showing flat, two-dimensional pictures with such horizontal differences, stereograms, separately to the left and right eyes through a stereoscope he invented based on mirrors. From such pairs of flat images, people experienced the illusion of depth. [3] [4] Soon after placing the ad in American Way, Baccei says he was jolted awake in the middle of the night with an epiphany. “I realized I was selling the wrong thing. People wanted more autostereograms, and they’d buy it.” Baccei mortgaged his house, and with the help of Smith started Magic Eye as a sub-company under one of his existing businesses, N.E. Thing Enterprises. selectedStore.City }}, {{ selectedStore.State }} {{ selectedStore.Country }} {{ selectedStore.Zip }}

International orders

Stork, David G. and Rocca, Chris (1989). "Software for creating auto-random-dot stereograms", Behavior Research methods, Instruments and Computers, 21(5):525-534. Heikki Ruskeepää (2009). Mathematica Navigator: Mathematics, Statistics, and Graphics, p. 146. ISBN 978-0-12-374164-6. [1]. In the late '90s many children's magazines featured autostereograms. Even gaming magazines like Nintendo Power had a section specifically made for these illusions. Sakana, Itsuo (1994). Stereogram, pp.75–76. Ed. Seiji Horibuchi and Yuki Inonue. San Francisco: Cadence Books. ISBN 978-0-929279-85-5