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171
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IJCV
1998
15 years 6 months ago
1998
A fundamental problem in depth from defocus is the measurement of relative defocus between images. The performance of previously proposed focus operators are inevitably sensitive t...
145
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Nowadays, digital pictures are usually captured at very high resolution ranged up to 12 mega-pixels. Limited by low-resolution display, we have to shrink the image. Signal process...
193
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ICCV
2011
IEEE
14 years 6 months ago
2011
IEEE
We present a method whereby an embodied agent using visual perception can efficiently create a model of a local indoor environment from its experience of moving within it. Our me...
181
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PAMI
2012
13 years 9 months ago
2012
—In this paper, we present a comprehensive analysis of self-dual and m-idempotent operators. We refer to an operator as m-idempotent if it converges after m iterations. We focus ...
162
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ICCV
2003
IEEE
16 years 8 months ago
2003
IEEE
In this paper, we present a mathematical theory for Marr's primal sketch. We first conduct a theoretical study of the descriptive Markov random field model and the generative...