Invention Grant
- Patent Title: Video communication quality estimation apparatus, method, and program
- Patent Title (中): 视频通信质量估计装置，方法和程序
-
Application No.: US11990256Application Date: 2006-09-06
-
Publication No.: US08405773B2Publication Date: 2013-03-26
- Inventor: Takanori Hayashi , Kazuhisa Yamagishi
- Applicant: Takanori Hayashi , Kazuhisa Yamagishi
- Applicant Address: JP Tokyo
- Assignee: Nippon Telegraph and Telephone Corporation
- Current Assignee: Nippon Telegraph and Telephone Corporation
- Current Assignee Address: JP Tokyo
- Agency: Blakely, Sokoloff, Taylor & Zafman
- Priority: JP2005-257880 20050906; JP2006-171240 20060621
- International Application: PCT/JP2006/317637 WO 20060906
- International Announcement: WO2007/029731 WO 20070315
- Main IPC: H04N7/14
- IPC: H04N7/14 ; H04N9/475
Abstract:
A multi-modal quality estimation unit (11) estimates a multi-modal quality value (23A) on the basis of an audio quality evaluation value (21A) and a video quality evaluation value (21). In addition, a delay quality degradation amount estimation unit (12) estimates a delay quality degradation amount (23B) on the basis of an audio delay time (22A) and a video delay time (22B). A video communication quality estimation unit (13) estimates a video communication quality value (24) on the basis of a multi-modal quality value (23A) and a delay quality degradation amount (23B).
Public/Granted literature
- US20090096874A1 Video Communication Quality Estimation Apparatus, Method, and Program Public/Granted day:2009-04-16
Information query
