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» Lensless Imaging with a Controllable Aperture
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CVPR
2006
IEEE
14 years 7 months ago
Lensless Imaging with a Controllable Aperture
In this paper we propose a novel, highly flexible camera. The camera consists of an image detector and a special aperture, but no lens. The aperture is a set of parallel light att...
Assaf Zomet, Shree K. Nayar
CVPR
2007
IEEE
13 years 9 months ago
Active Aperture Control and Sensor Modulation for Flexible Imaging
In the paper, we describe an optical system which is capable of providing external access to both the sensor and the lens aperture (i.e., projection center) of a conventional came...
Chunyu Gao, Narendra Ahuja, Hong Hua
IGARSS
2010
13 years 3 months ago
A ground-based Arc-scanning synthetic aperture radar (ArcSAR) system and focusing algorithms
KIGAM and KNU are developing a ground-based Arcscanning SAR system (ArcSAR) mounted on a truck. The system achieves the coherent integration of radar returns from ground targets b...
Hoonyol Lee, Seong-Jun Cho, Kwang-Eun Kim
ICASSP
2011
IEEE
12 years 8 months ago
Saturation-robust SAR image formation
The formation of synthetic aperture radar (SAR) images is formulated as an inverse problem, a flexible approach suitable for a variety of acquisition systems and signal models. T...
Dennis Wei, Petros Boufounos
CVPR
2009
IEEE
1094views Computer Vision» more  CVPR 2009»
15 years 12 hour ago
Uncalibrated Synthetic Aperture Photography for Defocus Control
Exaggerated defocus cannot be achieved with an ordinary compact digital camera because of its tiny sensor size, so taking pictures that draw the attention of a viewer to the subjec...
Natsumi Kusumoto, Shinsaku Hiura, Kosuke Sato