Invention Grant
- Patent Title: Modification of a video signal of an object exposed to ambient light and light emitted from a display screen
- Patent Title (中): 修改暴露于环境光的物体的视频信号和从显示屏发出的光
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Application No.: US13709631Application Date: 2012-12-10
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Publication No.: US09100579B2Publication Date: 2015-08-04
- Inventor: Petter Schatvet , Per Ove Husoy
- Applicant: CISCO TECHNOLOGY, INC.
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Lempia Summerfield Katz LLC
- Main IPC: H04N9/73
- IPC: H04N9/73 ; H04N5/235 ; H04N7/14
Abstract:
A method that includes obtaining a video signal of an object by a camera, obtaining an ambient light signal representing ambient light, obtaining a display signal representing light emitted by a display, obtaining a distance signal representing a distance between the display and the object, and modifying the video signal based on the ambient light signal, the display signal, and the distance signal, to obtain a modified video signal.
Public/Granted literature
- US20140160314A1 METHOD AND APPARATUS FOR OPTICAL ECHO CANCELLATION Public/Granted day:2014-06-12
Information query
