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旧 Jun 8th, 2007, 13:51     #1
bmx
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默认 请教:怎么把存在硬盘里的jpg小图片发贴时变成大图片

却又不影响图片清晰度?

谢谢!
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旧 Jun 8th, 2007, 13:59   只看该作者   #2
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默认

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却又不影响图片清晰度?
谢谢!
啊?用软件放大,然后再sharpen一下,看看是不是可以达到你的要求。具体效果如何和你的内容有关。市场上有很多软件专门用来放大图片的,算法不同,效果也不同,而且具体效果都是content dependant的。
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旧 Jun 8th, 2007, 14:00   只看该作者   #3
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啊?用软件放大,然后再sharpen一下,看看是不是可以达到你的要求。具体效果如何和你的内容有关。市场上有很央..
啥软件?哪里下载?

多谢!
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旧 Jun 8th, 2007, 14:09   只看该作者   #4
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默认

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啥软件?哪里下载?
多谢!
谢谢加声望

普通的用photoshop, 有linear,lens-coz,bi-cube等差值算法。
其他更复杂的有SI Pro,Genuine Fractals等,不过这些都要另外单独买。

你先用photoshop试试吧。

可以看看这个:http://ifotor.net/thread-19-1-1.html
如果没用过photoshop, 那用光影魔术手也不错,很容易上手的,而且有免费版本可以下载。
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旧 Jun 8th, 2007, 14:12   只看该作者   #5
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默认

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谢谢加威望

普通的用photoshop, 有linear,lens-coz,bi-cube等差值算法。
其他更复杂的有SI Pro,Genuine Fractals等,不过...
啊?这复杂啊!
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旧 Jun 8th, 2007, 14:15   只看该作者   #6
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啊?这复杂啊!
不复杂,用那个光影试试,国产软件,官方地址是:
http://www.neoimaging.cn/
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旧 Jun 8th, 2007, 14:17   只看该作者   #7
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不复杂,用那个光影试试 
这样吧,我把那图发给你,你给弄弄,发上来咱对比下,看它弄的咋样。
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旧 Jun 8th, 2007, 14:19   只看该作者   #8
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这样吧,我把那图发给你,你给弄弄,发上来咱对比下,看它弄的咋样。
好啊,不过要等我回家再弄了,公司机器没有photoshop软件。PM我你的图吧 
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旧 Jun 8th, 2007, 14:23   只看该作者   #9
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好啊,不过要等我回家再弄了,公司机器没有photoshop软件。PM我你的图吧 
发完了。没事儿时再弄。谢谢!
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旧 Jun 8th, 2007, 14:26   只看该作者   #10
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发完了。没事儿时再弄。谢谢!
没问题 
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旧 Jun 8th, 2007, 15:16   只看该作者   #11
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默认

放大了肯定清晰度就差了,不然大家都买个一百万像素的照相机就行了
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旧 Jun 8th, 2007, 15:59   只看该作者   #12
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放大了肯定清晰度就差了,不然大家都买个一百万像素的照相机就行了
我觉得也是。不过威廉所说的可能是利用线性优化的方法将图片放大,结果只要楼主满意就行。
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旧 Jun 8th, 2007, 16:03   只看该作者   #13
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我觉得也是。不过威廉所说的可能是利用线性优化的方法将图片放大,结果只要楼主满意就行。
嗯,一些专业的摄影师用各种放大方法处理他们的图片,主要是为了扩印用。具体方法太多了,俺只知道一个凤毛菱角。
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