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>
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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>Gx1o!S!\L/^0p0j5Ha
原图<br>+C;G\L5f4h&c6J
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局部放大<br>S tW)T%j"L
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航天飞船的一个喷射口<br>
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所有参与人员的签名,几乎能看清全部的名字<br>&e0jj*DC{ @o
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巨大发射平台的履带<br>E:f%pPk ^{ {w}
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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>
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继续放大<br>
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注意这个椭圆型的图案<br>_x*h iHP4y]
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竟然可以看清墙壁上的文字和图案!<br>7wU Ir\5M*\#l
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你注意到这还有人了吗?<br>o tQD+[#a0G
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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>
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拉近<br>
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再拉近<br>_t`I2pt$I8?Q1S
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画面中找到的一个人,你能在第一副图中找到他吗?最后一副图中的人你能从原图中找出来吗?此时照片只有原始照片画幅的0.05%!但是基本上,人物的表情还能分辨,他在笑!<br>ZE_cw
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水仃 2005-8-15 23:42
re:这块布满甲骨文的远古山岩,通过40000...
这块布满甲骨文的远古山岩,通过40000万象素的数码相机,我们可以把它看的更清晰。<br> e{&ctI7yz@6K/U
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放大<br>
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再放大<br>
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继续放大<br>)O
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1%原图面积的画面,我们看到一头牛和一个什么?<br> y!VNDi"ac3}/vX
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继续放大至原图的0.05%面积,看到两头鹿的脑袋<br>
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水仃 2005-8-15 23:45
re:海滨高尔夫球场,看看草坪上这些人都在干什...
海滨高尔夫球场,看看草坪上这些人都在干什么<br>KQ%WeQ~'fy
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放大<br>~6a
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再放大<br>XvX0|c7P
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又是原图0.05%的裁切,我们可以看清车上的文字<br>
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同样的0.05%原图面积,可以看到这人插着腰,右手拿着一副手套<br>
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水仃 2005-8-15 23:47
re:最后一张,孟菲斯河边的一艘游船,我们要注...
最后一张,孟菲斯河边的一艘游船,我们要注意的是船身侧面那幅漂亮的彩色大海报。<br>
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放大<br>
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局部放大原图<br>
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局部放大原图<br>*w iK4rI8bK?.Td
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船身侧面的海报原图<br>/fIHQV
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0.05%原图面积,看到了吗?这副作品的作者签名!<br>
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水仃 2005-8-15 23:49
re:看了这么多样张,那么这部拥有40亿象素的...
看了这么多样张,那么这部拥有40亿象素的数码相机到底什么样子?下面我们就来揭开它的神秘面纱<br>4e4} z`
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两位设计师和他们的杰作<br>
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这部相机目前还没有名字,不过整个科研计划有一个代号叫“Gigapxl Project”。相机所有零件和部件都是专门特制的,造价不菲。<br>CAd(P$AO:V |
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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野山猪 2005-8-17 09:39
re:牛XXXXXXXXXXXXXXXXXXX...
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