ENTITY BASED TEMPORAL SEGMENTATION OF VIDEO STREAMS

Patent №

US 9,607,224

Granted

2017-03-28

Filed 2015

Owner

GOOGLE INC.

AI components

5

ml · nlp · vision · speech · planning

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

14712071

A solution is provided for temporally segmenting a video based on analysis of entities identified in the video frames of the video. The video is decoded into multiple video frames and multiple video frames are selected for annotation. The annotation process identifies entities present in a sample video frame and each identified entity has a timestamp and confidence score indicating the likelihood that the entity is accurately identified. For each identified entity, a time series comprising of timestamps and corresponding confidence scores is generated and smoothed to reduce annotation noise. One or more segments containing an entity over the length of the video are obtained by detecting boundaries of the segments in the time series of the entity. From the individual temporal segmentation for each identified entity in the video, an overall temporal segmentation for the video is generated, where the overall temporal segmentation reflects the semantics of the video.

Machine learningNatural languageVisionSpeechPlanningH04N 5/91G06F 18/2411G06F 18/2413G06V 10/764G06V 20/49

AI classification

Vision1.00
Natural language0.99
Machine learning0.94
Planning0.81
Speech0.70
Knowledge representation0.48
AI hardware0.41
Evolutionary computation0.00

Ownership

GOOGLE INC.

assignment · 356980165

Assignors

TSAI, MIN-HSUAN, VIJAYANARASIMHAN, SUDHEENDRA, IZO, TOMAS, SHETTY, SANKETH, VARADARAJAN, BALAKRISHNAN

On an employer assignment, the assignors are typically the inventors.

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