查看完整版本: [转帖]NASA的40亿象素的数码相机

[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>
:h;w/h%sYA 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>/jj0{N1N.{1V!E
原图<br>n6wy(t~-Qixw
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局部放大<br>_"b*C4s!@+Qs[W{
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8a%f\B#x'{HJ {4^ 航天飞船的一个喷射口<br>v#Z ?H C@%?@
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所有参与人员的签名，几乎能看清全部的名字<br>
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巨大发射平台的履带<br>zk(Uv&ca8G
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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>#f5x*G0y.H,[A
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局部放大<br>
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继续放大<br>
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+a n*Sbi,b 注意这个椭圆型的图案<br>BAfw]5o1p'NR
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)g"ftBAK-v 竟然可以看清墙壁上的文字和图案！<br>

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k*i4H^NmYu9ZU 你注意到这还有人了吗？<br>%z `"c9u~Ld^
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m*y#{I+dh0mz 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>
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拉近<br>
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r&s,Wl+|I 再拉近<br>
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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>
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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>
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-N4d7k$UjCn 放大<br>MpU(m6R4}0FNs
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再放大<br>w,lWYI3zo-~
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继续放大<br>
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1%原图面积的画面，我们看到一头牛和一个什么？<br>
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继续放大至原图的0.05%面积，看到两头鹿的脑袋<br> nj"JS:E-^,a\!M
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海滨高尔夫球场，看看草坪上这些人都在干什么<br>
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2F5o:FE-S#}u 放大<br>$yV&luxD&QF
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再放大<br>
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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>
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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>-Ms*ye7U*RGs
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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>+m-pJ9JJO:O
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o8KryYf&{ 局部放大原图<br>
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3Gi~n@-t1v 局部放大原图<br>6lM}Dol |4E9@
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船身侧面的海报原图<br>F.cv5F/`U7W:v*C
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0.05%原图面积，看到了吗？这副作品的作者签名！<br>
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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>
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两位设计师和他们的杰作<br>YC7s"y {;`fv
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&cr9s1w U 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>
)@ QYMp'IG#S 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>?.H!xI!u5DS2Q
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