Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ITU-T ASC HSTP1 : 2020
• Năm ban hành / Publication date: 2001
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: HSTP-VID-WPOM - Working practices using objective metrics for evaluation of video coding efficiency experiments
• Số trang / Page: 13
• Phạm vi áp dụng / Scope of standard: 1 SCOPE 2 REFERENCES 3 TERMS AND DEFINITIONS 4 ABBREVIATIONS AND ACRONYMS 5 VIDEO CODING EXPERIMENTS USING BJØNTEGAARD DELTA RATE (BD-RATE) MEASUREMENTS 6 THE PSNR-BASED BD-RATE CONCEPT 7 PSNR-BASED BD-RATE CALCULATION 1 GENERAL 2 CALCULATION OF PSNR FOR INDIVIDUAL FRAMES 3 CALCULATION OF SEQUENCE PSNR AND BIT RATE NUMBERS FOR EACH QP VALUE 4 CALCULATION OF SEQUENCE BD-RATE NUMBER 5 CONSIDERATION OF CHROMA FIDELITY 6 CALCULATION OF AGGREGATE BD-RATE VALUE FOR ALL SEQUENCES 8 BD-RATE CALCULATION FOR HDR MATERIAL 9 BD-RATE CALCULATION FOR 360° VIDEO List of Tables TABLE 1 – EXAMPLE BIT RATES AND PSNR VALUES FOR ANCHOR AND TEST List of FiguresFIGURE 1 – THE LUMA PSNR PLOTTED AS A FUNCTION OF BIT RATE OF HM-16FIGURE 2 – THE LUMA PSNR PLOTTED AS A FUNCTION OF THE BIT RATE OF HM-16