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» Superimposing dynamic range
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MM
2010
ACM
163views Multimedia» more  MM 2010»
14 years 10 months ago
Multi-exposure imaging on mobile devices
Many natural scenes have a dynamic range that is larger than the dynamic range of a camera's image sensor. A popular approach to producing an image without under- and over-ex...
Natasha Gelfand, Andrew Adams, Sung Hee Park, Kari...
ISCAS
2007
IEEE
139views Hardware» more  ISCAS 2007»
15 years 4 months ago
A 1GHz Direct Digital Frequency Synthesizer Based on the Quasi-Linear Interpolation Method
—The paper presents a novel architecture for a direct digital frequency synthesizer (DDFS) based on the QuasiLinear interpolation (QLIP) method. The four-segment QLIP is utilized...
Ashkan Ashrafi, Aleksandar Milenkovic, Reza R. Adh...
IMAGING
2000
14 years 11 months ago
Shadow Identification using Colour Ratios
In this paper we present a comprehensive method for identifying probable shadow regions in an image. Doing so is relevant to computer vision, colour constancy, and image reproduct...
Kobus Barnard, Graham D. Finlayson
TIT
2010
76views Education» more  TIT 2010»
14 years 4 months ago
Uncertainty principles and vector quantization
Given a frame in Cn which satisfies a form of the uncertainty principle (as introduced by Candes and Tao), it is shown how to quickly convert the frame representation of every vect...
Yurii Lyubarskii, Roman Vershynin
ICMI
2010
Springer
129views Biometrics» more  ICMI 2010»
14 years 7 months ago
Quantifying group problem solving with stochastic analysis
Quantifying the relationship between group dynamics and group performance is a key issue of increasing group performance. In this paper, we will discuss how group performance is r...
Wen Dong, Alex Pentland