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TIP
2011
123views more  TIP 2011»
13 years 5 months ago
Spatial Sparsity-Induced Prediction (SIP) for Images and Video: A Simple Way to Reject Structured Interference
We propose a prediction technique that is geared toward forming successful estimates of a signal based on a correlated anchor signal that is contaminated with complex interference...
Gang Hua, Onur G. Guleryuz
TCSV
2010
13 years 5 months ago
No-Reference Quality Assessment of H.264/AVC Encoded Video
Abstract--This paper proposes a no-reference quality assessment metric for digital video subject to H.264/AVC encoding. The proposed metric comprises two main steps: coding error e...
Tomás Brandão, Tiago Rosa Maria Paul...
APPROX
2011
Springer
197views Algorithms» more  APPROX 2011»
12 years 10 months ago
Periodicity and Cyclic Shifts via Linear Sketches
We consider the problem of identifying periodic trends in data streams. We say a signal a ∈ Rn is p-periodic if ai = ai+p for all i ∈ [n − p]. Recently, Erg¨un et al. [4] pr...
Michael S. Crouch, Andrew McGregor
ECCE
2011
12 years 10 months ago
Design of a safe computer-supported cooperative environment in radiotherapy: exploratory identification of cooperation strategie
Motivation – This research deals with the identification of collective production of a safe radiotherapy treatment and its potential assistance through computer-supported enviro...
Maria Isabel Munoz, Vanina Mollo, Flore Barcellini...
STOC
2009
ACM
271views Algorithms» more  STOC 2009»
14 years 11 months ago
A fast and efficient algorithm for low-rank approximation of a matrix
The low-rank matrix approximation problem involves finding of a rank k version of a m ? n matrix AAA, labeled AAAk, such that AAAk is as "close" as possible to the best ...
Nam H. Nguyen, Thong T. Do, Trac D. Tran