background blurring shadow 2008.10.07. outline introduction ◦ camera-dslr ◦ depth of field...
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Introduction DSLR 3TRANSCRIPT
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Background BlurringBackground Blurring
Shadow2008.10.07
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OutlineOutlineIntroduction
◦Camera-DSLR◦Depth of field
Method◦Part I: object segmentation◦Part II: depth map◦Part III: defocus blur
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IntroductionIntroductionDSLR
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IntroductionIntroduction
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IntroductionIntroductionDepth of fieldCircle of Confusion
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System designSystem design
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Depth mapDepth mapUser define
◦Vanish point
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Depth mapDepth map
blur disk diameter b of a detail at distance xd from the subject
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Imgb(i,j)=∑ (circle(r,x,y)i,j × wx,y × Imgo(x,y) )
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Defocus blurDefocus blur
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Defocus blurDefocus blur
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BokehBokeh
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Todo listTodo list1. 先把 object segmentation 的功能 implement 起來,方便實驗用
2.blur kernel 的計算公式◦和 photoshopCS3 的 lens blur 區別◦物理原理 / DIP 的角度
3. 和 depth 建立絕對關係
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