mediacapture-depth error of measurement from conversion


1	near (mm)	1000	References	error (of measurement) [JCGM 100:2008]
2	far (mm)	8000
3
4	depth to 8 bit grayscale conversion					8 bit grayscale to depth conversion
5		range inverse		range linear		range inverse			range linear
6	measurement (mm)	normalize	quantify	normalize	quantify	normalize	reconstructed measurement (mm)	error (mm) [JCGM 100:2008]	normalize	reconstructed measurement (mm)	error (mm) [JCGM 100:2008]
7	d	d_(n1) = (far * (d - near)) / (d * (far - near))	d_(8bit1) = floor(d_(n1) * 255)	d_(n2) = (d - near) / (far - near)	d_(8bit2) = floor(d_(n2) * 255)	d_(n11) = d_(8bit1) / 255	d_11 = (far * near) / (far - d_(n1) * (far - near))	error_(d_11) = d_(n1) - d_(n11)	d_(n22) = d_(8bit2) / 255	d_22 = d_(n22)*(far - near) + near	error_(d_22) = d_(n22) - d_(n2)
8	1000	0	0	0	0	0	1000	0	0	1000	0
9	1004	0.004553215709	1	0.0005714285714	0	0.003921568627	1003.443187	-0.5568125922	0	1000	-4
10	1006	0.006816245385	1	0.0008571428571	0	0.003921568627	1003.443187	-2.556812592	0	1000	-6
11	1008	0.009070294785	2	0.001142857143	0	0.007843137255	1006.910168	-1.089832182	0	1000	-8
12	1010	0.01131541726	2	0.001428571429	0	0.007843137255	1006.910168	-3.089832182	0	1000	-10
13	1100	0.1038961039	26	0.01428571429	3	0.1019607843	1097.95479	-2.045209903	0.01176470588	1082.352941	-17.64705882
14	1200	0.1904761905	48	0.02857142857	7	0.1882352941	1197.183099	-2.816901408	0.02745098039	1192.156863	-7.843137255
15	1300	0.2637362637	67	0.04285714286	10	0.262745098	1298.535964	-1.464035646	0.03921568627	1274.509804	-25.49019608
16	1400	0.3265306122	83	0.05714285714	14	0.3254901961	1398.217958	-1.782042495	0.05490196078	1384.313725	-15.68627451
17	1500	0.380952381	97	0.07142857143	18	0.3803921569	1498.897869	-1.102130786	0.07058823529	1494.117647	-5.882352941
18	1600	0.4285714286	109	0.08571428571	21	0.4274509804	1597.494127	-2.50587314	0.08235294118	1576.470588	-23.52941176
19	1700	0.4705882353	120	0.1	25	0.4705882353	1700	0	0.09803921569	1686.27451	-13.7254902
20	1800	0.5079365079	129	0.1142857143	29	0.5058823529	1794.195251	-5.80474934	0.1137254902	1796.078431	-3.921568627
21	1900	0.5413533835	138	0.1285714286	32	0.5411764706	1899.441341	-0.5586592179	0.1254901961	1878.431373	-21.56862745
22	2000	0.5714285714	145	0.1428571429	36	0.568627451	1990.243902	-9.756097561	0.1411764706	1988.235294	-11.76470588
23	3000	0.7619047619	194	0.2857142857	72	0.7607843137	2991.202346	-8.797653959	0.2823529412	2976.470588	-23.52941176
24	4000	0.8571428571	218	0.4285714286	109	0.8549019608	3968.871595	-31.12840467	0.4274509804	3992.156863	-7.843137255
25	5000	0.9142857143	233	0.5714285714	145	0.9137254902	4987.775061	-12.22493888	0.568627451	4980.392157	-19.60784314
26	6000	0.9523809524	242	0.7142857143	182	0.9490196078	5895.953757	-104.0462428	0.7137254902	5996.078431	-3.921568627
27	7000	0.9795918367	249	0.8571428571	218	0.9764705882	6868.686869	-131.3131313	0.8549019608	6984.313725	-15.68627451
28	8000	1	255	1	255	1	8000	0	1	8000	0