冷門的攝影神器cortex camera - iOS
By Anthony
at 2017-03-07T11:01
at 2017-03-07T11:01
Table of Contents
哈囉大家好 沒想到冷門文章翻出來又熱門一次
有些推文照片對比效果不好,這邊綜合一下說明一下原因
第一個就是「手震」 雖然透過快速連拍已經減少手震可能了,
但有些人手真的很抖…那我只能說效果會下降許多~
第二是cortex camera拍完解析度會提高,像是6s, 6s plus, 7, 7 plus
處理後的圖是2700萬畫素,但是原生是1200萬畫素
拿放大後的圖跟較小的圖比,容易有小圖更銳利的錯覺~
建議都縮回原生畫素就好~
第三個是軟體能不能取得原始的數據~ (決定性的一點)
手機上第三方軟體只能看原廠的臉色,決定能得到什麼程度的原始檔
就我觀察iphone5s後的相機(567),
cortex camera都一樣只能取得原廠已經降噪過後的原圖來做疊加
疊圖降噪的原理就是透過多張比較來減少雜訊,所以經過原廠第一次降噪後~
cortex camera就已經難以區分何者是雜訊何者是需要保留的細節了~
所以iphone低光源下疊圖後效果不會有極顯著的效果了~
(當然怎麼樣都比原廠好啦XD)
要看效果好的例子~
以下是以android手機LG G5為例(也不是每支都可以)
因為G5第三方軟體可取得原始數據,所以效果極佳~
下面的例子就是 完全沒去雜訊 及疊圖的差別~
http://imgur.com/kYI9CW1
這張是iso 2996,手機雜訊滿天飛
http://imgur.com/T1d356m
這張印象中是疊32張,手持拍攝
http://imgur.com/PHeBvTB
http://imgur.com/o47LyFJ
http://imgur.com/u95IBTM
細節比較~
其實iphone影像處理速度比android還快~
apple認真這一塊應該是可以做得很好~
目前…以apple的態度,好像有點難XD
喜歡看這種比較的,可以看我這篇XD
http://chdolodocha.pixnet.net/blog/post/31867163
對了。突然想到~
有些人用這個軟體來拍流水或是旋轉木馬~
不是不可以,但是個人認為效果不是最好的~(應該說差XD)
有很多都可以做到更好,這邊推荐pro cam這個app
選擇"慢速快門"的"動態模糊"~ (請上腳架)
優點是不需要選擇疊幾張~ 甚至可以無限疊~ 想疊幾秒就幾秒
拍景完全不需要ND濾鏡~
這是iphone最特別的能力,請務必利用!!
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http://chdolodocha.pixnet.net/blog
冷門部落格…
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iOS
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