Inventor

COX INGEMAR J

US69 patents

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

COX INGEMAR J

NEC RESEARCH INST INC

Robust digital watermarking

Robust digital watermarking

Watermarking of image data using MPEG/JPEG coefficients

Spread spectrum watermark for embedded signalling

Secure spread spectrum watermarking for multimedia data

Secure spread spectrum watermarking for multimedia data

Multimedia database retrieval system which maintains a posterior probability distribution that each item in the database is a target of a search

Stereoscopic computer vision system

Dynamic histogram warping of image histograms for constant image brightness, histogram matching and histogram specification

Perceptual grouping by multiple hypothesis probabilistic data association

Method for image segmentation by minimizing the ratio between the exterior boundary cost and the cost of the enclosed region

Pattern recognition by unsupervised metric learning

Correction of camera motion between two image frames

Method for determining a ranked set of associations

Method for the estimation of rotation between two frames via epipolar search for use in a three-dimensional representation

SIGNAFY INC

Method for increasing the functionality of a media player/recorder device

Method for data preparation and watermark insertion

Counteracting geometric distortions for DCT based watermarking

Field-based watermark insertion and detection

Method for increasing the functionality of a media player/recorder device or an application program

Rotation, scale, and translation resilient public watermarking for images using a log-polar fourier transform

NETWORK 1 TECH INC

System and method for taking action with respect to an electronic media work and logging event information related thereto

Methods for using extracted features to perform an action

Methods for using extracted features to perform an action associated with selected identified image

Methods for using extracted features to perform an action associated with selected identified image

System for using extracted feature vectors to perform an action associated with a work identifier

Methods for using extracted features to perform an action

COX INGEMAR J

Identifying works, using a sub-linear time search, such as an approximate nearest neighbor search, for initiating a work-based action, such as an action on the internet

Using features extracted from an audio and/or video work to obtain information about the work

Identifying works for initiating a work-based action, such as an action on the internet

Identifying works, using a sub linear time search or a non exhaustive search, for initiating a work-based action, such as an action on the internet

Method for using extracted features from an electronic work

NETWORK 1 SECURITY SOLUTIONS INC

Method for taking action based on a request related to an electronic media work

Method for linking an electronic media work to perform an action

System for taking action based on a request related to an electronic media work

Method for tagging an electronic media work to perform an action

System for using extracted features from an electronic work

NETWORK-1 TECH INC

Methods for using extracted feature vectors to perform an action associated with a product

Methods for using extracted features to perform an action associated with identified action information

Methods for using extracted features to perform an action associated with identified action information

System for taking action with respect to a media work

NEC LAB AMERICA INC

Robust digital watermarking

Applying informed coding, informed embedding and perceptual shaping to design a robust, high-capacity watermark

Robust digital watermarking

NEC CORP

Method and system for protecting digital data from unauthorized copying

Method for data preparation and watermark insertion

Method and device for inserting and authenticating a digital signature in digital data

NEC RESEARCH INST

Digital watermarking

NEC USA INC

Videoconference system using a virtual camera image

MICROSOFT CORP

Cyclopean virtual imaging via generalized probabilistic smoothing