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» Enhancing low light images using near infrared flash images
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Presentation
891views
15 years 21 days ago
Coding and Modulation in Cameras: Computational Photography beyond Photo Manipulations
Computational photography is an emerging field combining smart optics, electronics, computer vision and graphics. Recent trends in enhancing the capabilities of a camera involve ...
Amit Agrawal
ICB
2009
Springer
251views Biometrics» more  ICB 2009»
14 years 9 days ago
Heterogeneous Face Recognition from Local Structures of Normalized Appearance
Abstract. Heterogeneous face images come from different lighting conditions or different imaging devices, such as visible light (VIS) and near infrared (NIR) based. Because heter...
ShengCai Liao, Dong Yi, Zhen Lei, Rui Qin, Stan Z....
CVPR
2007
IEEE
14 years 7 months ago
ShadowCuts: Photometric Stereo with Shadows
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
Manmohan Krishna Chandraker, Sameer Agarwal, David...
TIFS
2011
252views Education» more  TIFS 2011»
13 years 20 days ago
Quality Assessment of Degraded Iris Images Acquired in the Visible Wavelength
—Data quality assessment is a key issue, in order to broad the applicability of iris biometrics to unconstrained imaging conditions. Previous research efforts sought to use visib...
Hugo Proença
ICIP
2009
IEEE
13 years 3 months ago
Depth image-based rendering with low resolution depth
This paper proposes a new approach for depth image-based rendering (DIBR) with low resolution depth using the 3D propagation algorithm. Our novel depth edge enhancement method ef ...
Quang H. Nguyen, Minh N. Do, Sanjay J. Patel