Masataka MASUDA


Performance Comparisons of Subjective Quality Assessment Methods for Video
Toshiko TOMINAGA Masataka MASUDA Jun OKAMOTO Akira TAKAHASHI Takanori HAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/01/01
Vol. E97-B  No. 1  pp. 66-75
Type of Manuscript:  PAPER
Category: Network
Keyword: 
video qualitysubjective assessment methodperformance comparisonHDQVGAH.264
 Summary | Full Text:PDF(2.1MB)

End-to-End Quality Management Method for VoIP Speech Using RTCP XR
Masataka MASUDA Tsuyoshi FURUKAWA Takanori HAYASHI Souhei MAJIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Vol. E90-B  No. 11  pp. 3073-3082
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Network Management)
Category: 
Keyword: 
qualityVoIPmanagementRTCP XRQoSVoIP terminalNGN
 Summary | Full Text:PDF(669.9KB)

Non-intrusive Quality Monitoring Method of VoIP Speech Based on Network Performance Metrics
Masataka MASUDA Takanori HAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2  pp. 304-312
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia QoS Evaluation and Management Technologies)
Category: 
Keyword: 
qualityVoIPnon-intrusiveVQmonPESQE-modelR value
 Summary | Full Text:PDF(642.3KB)

Methods of Improving the Accuracy and Reproducibility of Objective Quality Assessment of VoIP Speech
Akira TAKAHASHI Masataka MASUDA Atsuko KURASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6  pp. 1660-1669
Type of Manuscript:  PAPER
Category: Multimedia Systems
Keyword: 
VoIPobjective quality assessmentspeech qualitysubjective qualityQoS
 Summary | Full Text:PDF(412.4KB)