ASCII立体图 ASCII立体图ASCII stereogram是ASCII艺术的一种形式它利用觀察图像時令視線产生适当的交叉从而生成三维图像的错视 以图为例为了得到三维效果观察者需要使眼睛偏离聚焦状态这样同一行中的两个相邻字符就会贴近到一起为了帮助聚焦努力使两个顶上的两个大写字母 O 看起来像三个确保中间那个 O 的图像稳定并且位于焦点之上一旦做到了这一点往下看下面的图像这时三维效果就很明显了列字母會呈現遠近相間的視覺效果如果图  底部的两个 O 看起来像三个那么遠近效果就会相反另外也可以通过视线交叉观察到相反的三维效果 图 远近距离 O O n n n n n n n n n n n n n n n n n f f f f f f f f f f f f f f e e e e e e e e e e e e e e e e e a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r O O 图  的效果更加有戏剧性一旦看到了三维效果观察者渐渐远离屏幕垂直線将会變得更深因而增加立体效果水平或者竖直方向稍微移动也会产生有趣的效果 图 地板墙壁与天花板 O O                                                                                                                                                                                                                                                  图  根据与单图像随机点立体图Single Image Random Dot Stereogram简称 SIRDS同样的思想显示了一个单图像随机文本立体图Single Image Random Text Stereogram简称 SIRTS当立体图像变得清楚的时候就可以看到浮雕中的Hi 图  A single image random text stereogram O O OIWEQPOISDFBKJFOIWEQPOISDFBKJFOIWEQPOISDFBKJFOIWEQPOISDFBKJF EDGHOUIEROUIYWEVDGHOXUIEROIYWEVDGHEOXUIEOIYWEVDGHEOXUIEOIYWE KJBSVDBOIWERTBAKJBSVEDBOIWRTBAKJBSOVEDBOWRTBAKJBSOVEDBOWRTBA SFDHNWECTBYUVRGSFDHNYWECTBUVRGSFDHCNYWECBUVRGSFDHCNYWECBUVRG HNOWFHLSFDGWVRGHNOWFGHLSFDWVRGHNOWSFGHLSDWVRGHNLOWSFGLSDWVRG YPOWVXTNWFECHRGYPOWVEXTNWFCHRGYPOWNVEXTNFCHRGYPWOWNVETNFCHRG SVYUWXRGTWVETUISVYUWVXRGTWVETUISVYUWVXRGWVETUISVYUWVXRGWVETU WVERBYOIAWEYUIVWVERBEYOIAWEYUIVWVERBEYOIWEYUIVWLVERBEOIWEYUI EUIOETOUINWEBYOEUIOEWTOUINWEBYOEUIOEWTOUNWEBYOETUIOEWOUNWEBY WFVEWVETNPUWTWFVEWPVETNUWTWFVETWPVETUWTWFBVETWPETUWT NOUWQERFECHIBYWNOUWQXERFECIBYWNOUWFQXERFCIBYWNOFUWFQXRFCIBYW VEHWETUQECRFVEVEHWERTUQECFVEVEHWQERTUQCFVEVEOHWQERUQCFVE UIWTUIRTWUYWQCRUIWTUYIRTWUWQCRUIWTXUYIRTUWQCRUIBWTXUYRTUWQCR IYPOWOXNPWTHIECIYPOWTOXNPWHIECIYPONWTOXNWHIECIYLPONWTXNWHIEC RUHWVETPUNRQYBRUHWVETPUNRQYBRUHWVETPUNRQYBRUHWVETPUNRQYB 有人在电子邮件末尾或者新闻文章后面用立体图作为签名图  就是一个这样的例子 图 一个立体图签名 IIIIIIIIIIIIIII IIIIIIIIIIIIIII H    H H    H H  O H H   O H H  H H    H HH HH H H H H H    H H   H H   H H  H IIIIIIIIIIIII IIIIIIIIIIIII Wide eyed stereo Wide eyed stereo 立体效果可以用于突出文本中的单个字词作为秘密消息当段落调整的时候这个效果可能就被隐藏起来 图 单词强调 According to the According to the police inspector police inspector Edward John Billings Edward John Billings there are too many there are too many individuals too close individuals too close to the case to make to the case to make an arrest I asked an arrest I asked Mary Smith to comment Mary Smith to comment on the case but she on the case but she declined to comment declined to comment because she is soon because she is soon to be married to to be married to Howard D Fredericks Howard D Fredericks the victims uncle the victims uncle Charles Wilson the Charles Wilson the victims brother victims brother stated that the chaos stated that the chaos was responsible for was responsible for at least five suicide at least five suicide attempts last week attempts last week alone alone 另外也可以实现 ASCII 立体图动画