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Description: D3D编程，演示了3D多维空间阴影效果，请安装DirectX SDK-D3D programming, multi-dimensional presentation of the 3D shadow effect, please install the DirectX SDK
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Size: 195584 |
Author: 朱林 |
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Description: 利用DirectX实现光影贴图的D3D应用代码-Light and shadow mapping using DirectX implementation of the D3D application code
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Size: 261120 |
Author: Summer |
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Description: This paper is concerned with the derivation of a progression
of shadow-free image representations. First we show that
adopting certain assumptions about lights and cameras leads to a
1-d, grey-scale image representation which is illuminant invariant
at each image pixel. We show that as a consequence, images
represented in this form are shadow-free. We then extend this 1-d
representation to an equivalent 2-d, chromaticity representation.
We show that in this 2-d representation, it is possible to re-light
all the image pixels in the same way, effectively deriving a 2-d
image representation which is additionally shadow-free. Finally,
we show how to recover a 3-d, full colour shadow-free image
representation by first (with the help of the 2-d representation)
identifying shadow edges. We then remove shadow edges from
the edge-map of the original image by edge in-painting, and we
propose a method to re-integrate this thresholded edge map, thus
deriving the sought-after 3-d shadow-free image.
Platform: |
Size: 6412288 |
Author: dermeche |
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