Inventor

KALKER ANTONIUS ADRIANUS CORNELIS MARIA

NL5 patents

⚠️ This page may combine multiple inventors who share the name “KALKER ANTONIUS ADRIANUS CORNELIS MARIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KALKER ANTONIUS ADRIANUS CORNELIS MARIA

2 patents

US8452971B2May 28, 2013

Embedding and detection of watermark in a motion image signal

KALKER ANTONIUS ADRIANUS CORNELIS MARIA8 citations80

US8180098B2May 15, 2012

Method of extracting a watermark

KALKER ANTONIUS ADRIANUS CORNELIS MARIA16 citations79

GRACENOTE INC

1 patent

US7921296B2Apr 5, 2011

Generating and matching hashes of multimedia content

GRACENOTE INC28 citations92

CIVOLUTION BV

1 patent

US7996678B2Aug 9, 2011

Embedding and detection of watermark in a motion image signal

CIVOLUTION BV12 citations82

KONINKL PHILIPS ELECTRONICS NV

1 patent

US8051290B2Nov 1, 2011

Increasing integrity of watermarks using robust features

KONINKL PHILIPS ELECTRONICS NV3 citations61