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SIGKDD
2010
128views more  SIGKDD 2010»
13 years 3 months ago
On cross-validation and stacking: building seemingly predictive models on random data
A number of times when using cross-validation (CV) while trying to do classification/probability estimation we have observed surprisingly low AUC's on real data with very few...
Claudia Perlich, Grzegorz Swirszcz
TCSV
2010
13 years 3 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...
TIM
2010
148views Education» more  TIM 2010»
13 years 3 months ago
Measurement of Heart Rate Variability Using an Oscillometric Blood Pressure Monitor
Abstract--We apply the maximal overlap discrete wavelet transform (MODWT)-based spectral density estimation method to measure heart rate variability (HRV) from short-duration pulse...
S. Ahmad, Miodrag Bolic, Hilmi R. Dajani, Voicu Gr...
TIP
2010
160views more  TIP 2010»
13 years 3 months ago
Development and Optimization of Regularized Tomographic Reconstruction Algorithms Utilizing Equally-Sloped Tomography
We develop two new algorithms for tomographic reconstruction which incorporate the technique of equally-sloped tomography (EST) and allow for the optimized and flexible implementat...
Yu Mao, Benjamin P. Fahimian, Stanley Osher, Jianw...
TSMC
2010
13 years 3 months ago
Geometric Distortion Insensitive Image Watermarking in Affine Covariant Regions
Feature-based image watermarking schemes, which aim to survive various geometric distortions, have attracted great attention in recent years. Existing schemes have shown robustness...
Xinbo Gao, Cheng Deng, Xuelong Li, Dacheng Tao