9 years 3 months ago
Degenerate Unmixing Estimation Technique using the Constant Q Transform
The Degenerate Unmixing Estimation Technique (DUET) is a Blind Source Separation (BSS) algorithm for stereo audio. DUET depends on an amplitude-phase 2d histogram built from the d...
Zafar Rafii, Bryan Pardo
152views more  JDCTA 2010»
9 years 6 months ago
Robust and Geometric Invariant Watermarking Scheme using Block and Gray-Level Histograms
As one of the crucial problems in watermarking, robustness against geometric distortion and JPEG compression becomes more than challenging and problematic. In this paper, a robust...
Chi-Man Pun, Xiaochen Yuan
131views more  TMC 2011»
9 years 6 months ago
In-Network Computation in Random Wireless Networks: A PAC Approach to Constant Refresh Rates with Lower Energy Costs
—We propose a method to compute a probably approximately correct (PAC) normalized histogram of observations with a refresh rate of Âð1Þ time units per histogram sample on a ra...
Srikanth K. Iyer, D. Manjunath, R. Sundaresan
9 years 9 months ago
Automatic Facial Action Detection Using Histogram Variation Between Emotional States
This article presents an appearance based method to detect automatically facial actions. Our approach focuses on reducing features sensitivity to identity of the subject. We compu...
Thibaud Senechal, Kevin Bailly, Lionel Prevost
128views more  TIP 2002»
9 years 11 months ago
Fuzzy color histogram and its use in color image retrieval
A conventional color histogram (CCH) considers neither the color similarity across different bins nor the color dissimilarity in the same bin. Therefore, it is sensitive to noisy i...
Ju Han, Kai-Kuang Ma
139views more  TCSV 2008»
9 years 11 months ago
Histogram-Based Prefiltering for Luminance and Chrominance Compensation of Multiview Video
Significant advances have recently been made in the coding of video data recorded with multiple cameras. However, luminance and chrominance variations between the camera views may ...
Ulrich Fecker, Marcus Barkowsky, André Kaup
119views more  DKE 2007»
9 years 11 months ago
Error minimization in approximate range aggregates
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
Xuemin Lin, Qing Zhang, Yidong Yuan, Qing Liu
120views more  CGF 2010»
9 years 12 months ago
Polygonal mesh watermarking using Laplacian coordinates
We propose a watermarking algorithm for polygonal meshes based on the modification of the Laplacian coordinates. More specifically, we first compute the Laplacian coordinates (x,y...
Ying Yang, Ioannis P. Ivrissimtzis
116views Algorithms» more  BILDMED 2009»
10 years 27 days ago
Structure Size Enhanced Histogram
Direct volume visualization requires the definition of transfer functions (TFs) for the assignment of opacity and color. Multi-dimensional TFs are based on at least two image prope...
Stefan Wesarg, Matthias Kirschner
138views Database» more  SPIESR 2000»
10 years 1 months ago
Descriptor for spatial distribution of motion activity for compressed video
In this paper we present a new descriptor for spatial distribution of motion activity in video sequences. We construct a histogram of areas of distinct regions (or "blobs&quo...
Ajay Divakaran, Huifang Sun