查看完整版本: [转帖]NASA的40亿象素的数码相机

水仃 2005-8-15 23:40

[转帖]NASA的40亿象素的数码相机

目前民用数码相机,象素最高的也只有1600万,但是40亿象素的数码相机你见过吗?美国航天局为科研而特别研制的相机就使用了40亿象素的感光元件,40亿象素可以拍摄出88000 x 44000的超大分辨率,这种尺寸的数码照片,如果不压缩的话,一张照片的容量将达到惊人的24GB!下面我们就去看一下这40亿象素能带给我们什么样的感受。<br>Z8d&E1Z b~*Z E&}
先来看一张宇航局发射基地的样张,高耸的航天飞机矗立在宽大的发射平台上,如果我们每次裁切画面的一部分放大的话,你能看到更多的细节内容。 <br>
-{i%]G;eJt XTK-{ 原图<br>2v6\!aMg!Szl
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0J y4YPBUt[ 局部放大<br>
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(sU#WV ~%a 航天飞船的一个喷射口<br>se/q cn,v`,mG
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所有参与人员的签名,几乎能看清全部的名字<br>S7bg2@ Vw;Q*V5q+L
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#`/s f U{ 巨大发射平台的履带<br> RntU(I)`%iNps
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下面这张是在圣地亚哥一个小公园中拍摄的,看看你能在图片里找到些什么<br>
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局部放大<br>5_{Tyd
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%rM ?9r&SN~ 继续放大<br>0|.j@C;rV
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注意这个椭圆型的图案<br>:]Mi|q_ XH
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\N/I5T~F)^ 竟然可以看清墙壁上的文字和图案!<br> ~~ M&zpPV}Ll
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HHYA!Od[ 你注意到这还有人了吗?<br>)zX:rM#j,V-lfL`
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位于大海边的一座跨度很大的大桥,看看我们能在图片中发现什么<br>Ah0k&x$l
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拉近<br>
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再拉近<br>
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-zO'CB"K m Zm6g CW 画面中找到的一个人,你能在第一副图中找到他吗?最后一副图中的人你能从原图中找出来吗?此时照片只有原始照片画幅的0.05%!但是基本上,人物的表情还能分辨,他在笑!<br>GT*w.{0QA4O
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水仃 2005-8-15 23:42

re:这块布满甲骨文的远古山岩,通过40000...

这块布满甲骨文的远古山岩,通过40000万象素的数码相机,我们可以把它看的更清晰。<br>,_#K]U1@A
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R{;b*q7~ CKL 放大<br>5b7O7^aWK~
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再放大<br>
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继续放大<br>e,_.X+Z1b7tqqH c
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1%原图面积的画面,我们看到一头牛和一个什么?<br>
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+l1k6M ~5g;y-j:G 继续放大至原图的0.05%面积,看到两头鹿的脑袋<br>l U cF,Z
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水仃 2005-8-15 23:45

re:海滨高尔夫球场,看看草坪上这些人都在干什...

海滨高尔夫球场,看看草坪上这些人都在干什么<br>)Y%i^/[ ~WS
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放大<br>
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再放大<br>Cv(@&c7Kt
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又是原图0.05%的裁切,我们可以看清车上的文字<br>$T b@3Y HGg
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'YiE5~ xw 同样的0.05%原图面积,可以看到这人插着腰,右手拿着一副手套<br>4T*Dn_a3[ s(C
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水仃 2005-8-15 23:47

re:最后一张,孟菲斯河边的一艘游船,我们要注...

最后一张,孟菲斯河边的一艘游船,我们要注意的是船身侧面那幅漂亮的彩色大海报。<br>'s?)n9?'~ M7A6P j
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?c*Y2| s6f I 放大<br>
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Q5m6w)d4Fo 局部放大原图<br>(CR)HQ~(F
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局部放大原图<br>8e c6\ }9~[
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F1f(]]9B"Y0A 船身侧面的海报原图<br>"Mz[zoI
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0.05%原图面积,看到了吗?这副作品的作者签名!<br>Ui8Rb4N
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水仃 2005-8-15 23:49

re:看了这么多样张,那么这部拥有40亿象素的...

看了这么多样张,那么这部拥有40亿象素的数码相机到底什么样子?下面我们就来揭开它的神秘面纱<br> q z#k&I.u
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两位设计师和他们的杰作<br>mN+OZc3L@-to(Tb
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<br>
+KfK*B(T 这部相机目前还没有名字,不过整个科研计划有一个代号叫“Gigapxl Project”。相机所有零件和部件都是专门特制的,造价不菲。<br>V(tOJ5n"~bjM4u
目前该相机的象素还在不断提升,我们期待它能突破更高的极限<br>
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萤火虫 2005-8-16 12:00

re:牛!

牛!

野山猪 2005-8-17 09:39

re:牛XXXXXXXXXXXXXXXXXXX...

牛XXXXXXXXXXXXXXXXXXXXX
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查看完整版本: [转帖]NASA的40亿象素的数码相机