autostereogram, n.
Brit. /ˌɔːtə(ʊ)ˈstɛrɪə(ʊ)gram/, U.S. /ˌɔdəˈstɛrɪəˌgræm/, /ˌɑdəˈstɛrɪəˌgræm/[see also auto- comb. form1.]
[‹ auto- comb. form1 + stereogram n.1 Compare earlier autostereoscopic adj.]
A flat picture or pattern (in later use, esp. computer-generated) which can be perceived by optical illusion as a three-dimensional image when the viewer focuses in front of or behind the viewing plane. Cf. magic eye n. 3.
1957 K. C. M. Symons Stereo Photogr. 200 The finished autostereogram provides a reconstruction in relief which is extremely realistic and vivid. 1990 Proc. SPIE ((Internat. Soc. Optical Engin.)) 1256 182 Such ‘autostereograms’ may be generated to contain an unlimited range of 3-D depth forms within certain constraints. 1994 Independent on Sunday 23 Jan. 17/7, I am inclined to agree with..the only British company making the posters (properly called autostereograms), that unless there are dramatic improvements in the technology, they are liable to be an 18-month wonder. 1997 A. Cromer Connected Knowledge iv. 65 From the pioneering work by Bela Julesz on random-dot stereograms, has come the popular computer-generated random-dot autostereogram. |