SPL
2016
8 years 14 days ago
2016
—Voice Activity Detection (VAD) refers to the problem of distinguishing speech segments from background noise. Numerous approaches have been proposed for this purpose. Some are b...
SPL
2016
8 years 14 days ago
2016
Abstract—Recently, the principal component pursuit has received increasing attention in signal processing research ranging from source separation to video surveillance. So far, a...
SPL
2016
8 years 14 days ago
2016
—Detecting Contrast Enhancement (CE) in images and anti-forensic approaches against such detectors have gained much attention in multimedia forensics lately. Several contrast enh...
SPL
2016
8 years 14 days ago
2016
—We propose a systematic concatenated coding scheme based on the combination of interleaving with powerful channel codes and jamming for wireless secrecy under the practical assu...
SPL
2016
8 years 14 days ago
2016
—This letter proposes a dictionary learning algorithm for blind one bit compressed sensing. In the blind one bit compressed sensing framework, the original signal to be reconstru...
SPL
2016
8 years 14 days ago
2016
—Block-based image or video coding standards (e.g. JPEG) compress an image lossily by quantizing transform coefficients of non-overlapping pixel blocks. If the chosen quantizati...
SPL
2016
8 years 14 days ago
2016
—In this work, we propose a method to obtain higher quality sensor pattern noise (SPN) for identifying source cameras. We believe that some components of SPN have been severely c...
SPL
2016
8 years 14 days ago
2016
Standard convolution as a model of radiometric degradation is in majority of cases inaccurate as the blur varies in space and we are thus required to work with a computationally d...
SPL
2016
8 years 14 days ago
2016
—We analyze the conditions for numerical instability in the solution of a linearly constrained minimum variance (LCMV) beamformer with multiple directional constraints for a unif...
SPL
2016
8 years 14 days ago
2016
—We propose a Gauss-Legendre quadrature based sampling on the rotation group for the representation of a band-limited signal such that the Fourier transform (FT) of a signal can ...