BS IEC 62977-3-7:2022
$189.07
Electronic displays – Evaluation of optical performance. Tone characteristics
Published By | Publication Date | Number of Pages |
BSI | 2022 | 46 |
PDF Catalog
PDF Pages | PDF Title |
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2 | undefined |
6 | CONTENTS |
8 | FOREWORD |
10 | INTRODUCTION Figures Figure 1 – Hue saturation lightness (HSL) colour model |
11 | 1 Scope 2 Normative references 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions |
13 | 3.2 Abbreviated terms 4 Standard measuring equipment 4.1 Video signal generator |
14 | 4.2 Measuring equipment and conditions 4.3 Test equipment setup Figure 2 – Measuring layout for non-close-up measurement Figure 3 – Measuring layout for close-up type LMD |
15 | 5 Standard measuring conditions 5.1 Standard measuring environmental conditions 5.2 Standard measuring darkroom conditions Figure 4 – Setup for viewing directional measurements |
16 | 5.3 Adjustment of display 5.4 Starting conditions of measurement 5.5 Standard test pattern 5.5.1 General |
17 | 5.5.2 Test pattern for grey and colour tone measurement Figure 5 – RGB input ranges for 7 tones and 6 colour saturations |
18 | Figure 6 – Multi-colour pattern for grey tone measurement Tables Table 1 – RGB input level for 11 steps and 17 steps |
19 | Figure 7 – Multi-colour pattern for colour tone measurement (example for red tone) Figure 8 – Equivalent pattern for APL calculation of multi-colour pattern(example for grey tone) Table 2 – RGB input composition for grey tone and colour tone |
20 | 5.5.3 Test pattern for colour saturation tone measurement 6 Measurements and evaluation of tone characteristics 6.1 EOTF and display gamma for grey and colour tone 6.1.1 Measured data Figure 9 – Multi-colour pattern for colour saturation tone measurement(example for red saturation) Table 3 – RGB input composition for colour saturation tone |
21 | 6.1.2 Measuring method Table 4 – Selected measured data for display gamma from the 602-point measurement |
22 | 6.1.3 Average gamma calculation |
23 | Table 5 – Example of average gamma calculation |
24 | 6.1.4 Log-log gamma calculation Figure 10 – Example of a measured EOTF compared with ideal power law curves |
25 | Figure 11 – Example of linear regression formula and plot for log-log gamma Table 6 – Example of log-log gamma calculation |
26 | 6.1.5 Grey scale tracking accuracy 6.1.6 Directional EOTF |
27 | 6.2 Colour saturation tone accuracy 6.2.1 Measured data 6.2.2 Measuring method Table 7 – Selected measured data for colour saturation tonefunction from the 602-point measurement |
28 | 6.2.3 Evaluation of colour saturation tone accuracy |
29 | Figure 12 – Example of colour saturation tone evaluation Table 8 – Example of colour saturation tone evaluation (cyan saturation) |
30 | 6.3 Tone additivity function |
31 | 6.4 Functional tone quantization 6.4.1 Measuring method Figure 13 – Examples of tone additivity functions for non-additive displays with(solid line) and without (dashed line) tone clipping |
32 | 6.4.2 Evaluation of functional tone quantization Figure 14 – Minimum luminance difference between neighbouring inputs |
33 | Table 9 – Example of bit depth evaluation |
34 | 7 Reporting 7.1 Required reporting Figure 15 – Graphic result for the bit depth evaluation in Table 9 |
35 | 7.2 Measurement results |
36 | Annex A (informative)Interlevel gamma A.1 General |
37 | A.2 Interlevel gamma calculation Figure A.1 – Example of EOTF variation by enhancement processing |
38 | Table A.1 – Example of Interlevel gamma calculation |
39 | Figure A.2 – Example of interlevel gamma graph |
40 | Bibliography |