Recommendation ITU-T F.748.15 (03/2022) Framework and metrics for digital human application systems
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Framework for digital human application system
7 Metrics and normative description
     7.1 Overview
     7.2 Image
          7.2.1 Quality of digital human image (basic metric)
          7.2.2 Fineness (optional metric)
          7.2.3 Image comfort (optional metric)
     7.3 Speech
          7.3.1 Speech accuracy (basic metric)
          7.3.2 Rhythm accuracy (basic metric)
          7.3.3 Speech comfort (basic metric)
     7.4 Animation
          7.4.1 Movement fit (basic metric)
          7.4.2 Movement comfort (basic metric)
     7.5 Interactive processing
          7.5.1 Interaction logic architecture of digital humans
          7.5.2 Interaction metrics
               7.5.2.1 Automatic speech recognition accuracy (optional basic metric)
               7.5.2.2 Single-round dialogue accuracy (optional metric)
               7.5.2.3 Multi-round dialogue accuracy (optional metric)
               7.5.2.4 Average response time of interaction (optional metric)
               7.5.2.5 Smoothness of interaction (optional metric)
               7.5.2.6 Business risk identification (optional metric)
               7.5.2.7 Business resolution rate (optional metric)
               7.5.2.8 Emotion pacification ability (optional metric)
               7.5.2.9 Manual intervention rate (optional metric)
               7.5.2.10 User interaction experience (optional metric)
     7.6 Multimodal input
          7.6.1 Multimodal input mode (basic metric)
     7.7 Multimodal output
          7.7.1 Real time factor (optional metric)
          7.7.2 Smoothness (basic metric)
          7.7.3 Picture accuracy (basic metric)
          7.7.4 Audio and video matching degree (basic metric)
          7.7.5 Multimodal output mode (basic metric)
Appendix I  Use case for digital human application system
     I.1 Virtual customer service
Bibliography
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