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>
5Fc[e,g3q 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>
"RH k P$[ 原图<br>
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5d v:B2P:XS&D1Lo a 局部放大<br>%ZJ#Y$fQX
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航天飞船的一个喷射口<br>
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2m/I|b4R5? H 所有参与人员的签名，几乎能看清全部的名字<br>
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M"eO m ~Z&P 巨大发射平台的履带<br>6?&Dq*q2Hd'X
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S8v"YlSPEu 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>-Ia;?8th.x!M(g
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-I:q6I!c["p#U+v 局部放大<br>
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继续放大<br>
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<br>
Um1l}:vg w 注意这个椭圆型的图案<br>
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竟然可以看清墙壁上的文字和图案！<br>u B0@W l_
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你注意到这还有人了吗？<br>
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2k&x6G?4Y$z&k 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>_0J7p/x,]C/|
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拉近<br>
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再拉近<br> J^ oD/s9|Y
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t2T+^y d9P.?9x f 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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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>
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放大<br>'PnP1Qd0P'fa
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再放大<br>/RYd@5A#Cb[
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<br>
-DxzLze ?^ 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>
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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>
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<br>
w Lb8K!{5w 放大<br>
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?)|(EFi4ayn <br>
4SG#L.k!iS:DV+G 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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l1cu8n@&l <br>
0u P _2pgHqC 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>
2]%gzv](BJ <IMG onmouseover="javascript:if(this.width>520)this.width=520;" style="CURSOR: hand" onclick=javascript:window.open(this.src); src="http://photocdn.sohu.com/20050628/Img240132706.jpg" onload="javascript:if(this.width>520)this.width=520;" align=absmiddle border=0>

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>*i'\k(gC!x e b d
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(F-tQ aD7z9|G <br>
)r.o)JnxAo 放大<br>
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^m H;I%j2@N }4p6Y!MK <br>
3d1NU.D0x 局部放大原图<br>3r*g&Wtc8aT!V
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%G;{ Qt@L z0uRj c 局部放大原图<br>t"]ru+Jz8K4M)dv N
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船身侧面的海报原图<br>;^&Z/~tC7L
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^ ^#r5A `|ms <br>
f3_/M#K7E 0.05%原图面积，看到了吗？这副作品的作者签名！<br>
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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>/{2@9zr/u
<br>%sr!f6xG!Q
两位设计师和他们的杰作<br>
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#DS C [E#f <br>:`K xX^4Q3ds
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>pO8i*H:amptQ
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>.?b b2aO
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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