CONTENTS

 

 1     Scope 
 2     References 
 3     Terms and definitions       
 4     Abbreviations   
 5     Source signal    
        5.1     Recording environment      
        5.2     Recording system  
        5.3     Scene characteristics          
 6     Test methods and experimental design      
        6.1     Absolute category rating (ACR)     
        6.2     Absolute category rating with hidden reference (ACR-HR) 
        6.3     Degradation category rating (DCR)
        6.4     Pair comparison method (PC)        
        6.5     Comparison of the methods           
        6.6     Reference conditions          
        6.7     Experimental design           
 7     Evaluation procedures      
        7.1     Viewing conditions 
        7.2     Processing and playback system    
        7.3     Viewers  
        7.4     Instructions to viewers and training session 
 8     Statistical analysis and reporting of results 
Annex A – Details related to the characterization of the test sequences     
        A.1     Sobel filter
        A.2     How to use SI and TI for test sequence selection   
        A.3     Examples  
Annex B – Additional evaluative scales     
        B.1     Rating scales         
        B.2     Additional rating dimensions          
Annex C – Simultaneous presentation of sequence pairs     
        C.1     Introduction          
        C.2     Synchronization     
        C.3     Viewing conditions
        C.4     Presentations        
Annex D – Video classes and their attributes     
Appendix I – Test sequences     
Appendix II – Instructions for viewing tests     
       II.1     ACR and ACR-HR           
       II.2     DCR
       II.3     PC   
Appendix III – The simultaneous double stimulus for a continuous evaluation     
      III.1     Test procedure      
      III.2     The training phase  
      III.3     Test protocol features        
      III.4     Data processing     
      III.5     Reliability of the subjects    
Appendix IV – Object-based evaluation     
Appendix V – An additional evaluative scale for DCR     
Bibliography