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ECCV
2010
Springer
14 years 5 months ago
Programmable Aperture Camera Using LCoS
Since 1960s, aperture patterns have been studied extensively and a variety of coded apertures have been proposed for various applications, including extended depth of field, defocu...
Hajime Nagahara, Changyin Zhou, Takuya Watanabe, H...

Publication
309views
14 years 9 months ago
Improving Nearest Neighbor Classification with Cam Weighted Distance
Nearest neighbor (NN) classification assumes locally constant class conditional probabilities, and suffers from bias in high dimensions with a small sample set. In this paper, we p...
Changyin Zhou, Yanqiu Chen
CVPR
2010
IEEE
1814views Computer Vision» more  CVPR 2010»
14 years 9 months ago
Depth from Diffusion
An optical diffuser is an element that scatters light and is commonly used to soften or shape illumination. In this paper, we propose a novel depth estimation method that places a ...
Changyin Zhou, Oliver Cossairt, Shree Nayar

Publication
384views
14 years 9 months ago
What are Good Apertures for Defocus Deblurring?
In recent years, with camera pixels shrinking in size, images are more likely to include defocused regions. In order to recover scene details from defocused regions, deblurring tec...
Changyin Zhou, Shree Nayar
ECCV
2008
Springer
15 years 2 months ago
Flexible Depth of Field Photography
The range of scene depths that appear focused in an image is known as the depth of field (DOF). Conventional cameras are limited by a fundamental trade-off between depth of field a...
Hajime Nagahara, Sujit Kuthirummal, Changyin Zhou,...