P

Inventor

MALVAR HENRIQUE

US27 patents

Patents

27 patents
US7206649B2Apr 17, 2007

Audio watermarking with dual watermarks

MICROSOFT CORP195 citations99
US7047413B2May 16, 2006

Collusion-resistant watermarking and fingerprinting

MICROSOFT CORP93 citations99
US7020285B1Mar 28, 2006

Stealthy audio watermarking

MICROSOFT CORP148 citations99
US6952774B1Oct 4, 2005

Audio watermarking with dual watermarks

MICROSOFT CORP122 citations99
US7415117B2Aug 19, 2008

System and method for beamforming using a microphone array

MICROSOFT CORP128 citations98
US7266697B2Sep 4, 2007

Stealthy audio watermarking

MICROSOFT CORP111 citations98
US7197368B2Mar 27, 2007

Audio watermarking with dual watermarks

MICROSOFT CORP60 citations98
US6738744B2May 18, 2004

Watermark detection via cardinality-scaled correlation

MICROSOFT CORP136 citations98
US7389421B2Jun 17, 2008

Countermeasure against estimation-based attacks of spread-spectrum watermarks

MICROSOFT CORP54 citations93
US7069590B1Jun 27, 2006

System and method for protecting data streams in hardware components

MICROSOFT CORP31 citations93
US7643676B2Jan 5, 2010

System and method for adaptive interpolation of images from patterned sensors

MICROSOFT CORP21 citations92
US7480417B2Jan 20, 2009

System and method for encoding mosaiced image data employing a reversible color transform

MICROSOFT CORP43 citations92
US7680285B2Mar 16, 2010

Adaptive estimation and compensation of clock drift in acoustic echo cancellers

MICROSOFT CORP18 citations91
US7376266B2May 20, 2008

Segmented layered image system

MICROSOFT CORP33 citations90
US7543148B1Jun 2, 2009

Audio watermarking with covert channel and permutations

MICROSOFT CORP13 citations84
US7681039B2Mar 16, 2010

Collusion-resistant watermarking and fingerprinting

MICROSOFT CORP5 citations74
US7139435B2Nov 21, 2006

Adaptive encoding and decoding of bi-level images

MICROSOFT CORP6 citations74
US7120307B2Oct 10, 2006

Image encoding using reordering and blocking of wavelet coefficients combined with adaptive encoding

MICROSOFT CORP9 citations74
US7062653B2Jun 13, 2006

Collusion-resistant watermarking and fingerprinting

MICROSOFT CORP4 citations74
US7050643B2May 23, 2006

Adaptive encoding and decoding of bi-level images

MICROSOFT CORP4 citations74
US7552336B2Jun 23, 2009

Watermarking with covert channel and permutations

MICROSOFT CORP4 citations63
US7502471B2Mar 10, 2009

System and method for protecting data streams in hardware components

MICROSOFT CORP4 citations63
US7428309B2Sep 23, 2008

Analog preamplifier measurement for a microphone array

MICROSOFT CORP6 citations63
US7096364B2Aug 22, 2006

Collusion-resistant watermarking and fingerprinting

MICROSOFT CORP2 citations63
US7058812B2Jun 6, 2006

Collusion-resistant watermarking and fingerprinting

MICROSOFT CORP2 citations63
US7558959B2Jul 7, 2009

Collusion-resistant watermarking and fingerprinting

MICROSOFT CORP0 citations52
US7382820B2Jun 3, 2008

Spread spectrum modulation system and method for embedding digital information into digital or analog media

MICROSOFT CORP1 citations52