Concept
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- Preferred Labelskos:prefLabel
Positional Accuracy
- URI
- https://standards.isotc211.org/19157/-3/1/dqc/content/qualityMeasure/QC1 ↗Go to the persistent identifier link
- Within Vocab
- ISO19157-3 quality measures
| Definitionskos:definition | None |
|---|---|
| has narrowernarrower | 128 - bias of positions (1D, 2D and 3D) Bias of the positions for a set of positions where the positional uncertainties are defined as the deviation between a measured position and what is accepted as the corresponding true position. |
| 28 - mean value of positional uncertainties (1D, 2D and 3D) Mean value of the positional uncertainties for a set of positions where the positional uncertainties are defined as the distance between a measured position and what is accepted as the corresponding t… | |
| 29 - mean value of positional uncertainties excluding outliers (1D, 2D, 3D) For a set of points where the discrepancy does not exceed a defined threshold, the arithmetical average of discrepancies between their measured positions and what is accepted as the corresponding true… | |
| 30 - number of positional uncertainties above a given threshold Number of positional discrepancies above a given threshold for a set of positions. The discrepancies are defined as the distance between a measured position and what is accepted as the corresponding t… | |
| 31 - rate of positional uncertainties above a given threshold Number of positional discrepancies above a given threshold for a set of positions in relation to the total number of measured positions. The discrepancies are defined as the distance between a measure… | |
| 32 - covariance matrix Symmetrical square matrix with variances of point discrepancies on the main diagonal and covariance between these discrepancies as off-diagonal elements. | |
| 33 - linear error probable Half length of the interval defined by an upper and a lower limit, in which the true value lies with probability 50 %. | |
| 34 - standard linear error Half length of the interval defined by an upper and a lower limit, in which the true value lies with probability 68.3 %. | |
| 35 - linear map accuracy at 90 % significance level Half length of the interval defined by an upper and a lower limit, in which the true value lies with probability 90 %. | |
| 36 - linear map accuracy at 95 % significance level Half length of the interval defined by an upper and a lower limit, in which the true value lies with probability 95 %. | |
| 37 - linear map accuracy at 99 % significance level Half length of the interval defined by an upper and a lower limit, in which the true value lies with probability 99 %. | |
| 38 - near certainty linear error Half length of the interval defined by an upper and a lower limit, in which the true value lies with probability 99.8 %. | |
| 39 - root mean square error Radius of a circle around a given point, in which the true value lies with probability P. | |
| 40 - absolute linear error at 90 % significance level of biased vertical data (Alternative 1) Absolute vertical accuracy of the data’s coordinates, expressed in terms of linear error at 90 % probability given that a bias is present. | |
| 41 - absolute linear error at 90 % significance level of biased vertical data (Alternative 2) Absolute vertical accuracy of the data’s coordinates, expressed in terms of linear error at 90 % probability given that a bias is present. | |
| 42 - circular standard deviation Radius describing a circle, in which the true point location lies with the probability of a normal distribution at 39.4 %. | |
| 43 - circular error probable Radius describing a circle, in which the true point location lies with the probability of 50 %. | |
| 44 - circular error at 90 % significant level Radius describing a circle, in which the true point location lies with the probability of 90 %. | |
| 45 - circular error at 95 % significance level Radius describing a circle, in which the true point location lies with the probability of 95 %. | |
| 46 - circular near certainty error Radius describing a circle, in which the true point location lies with the probability of 99.8 %. | |
| 47 - root mean square error of planimetry Radius of a circle around the given point, in which the true value lies with probability P. | |
| 48 - absolute circular error at 90 % significance level of biased data Absolute horizontal accuracy of the data’s coordinates, expressed in terms of circular error at 90 % probability given that a bias is present. | |
| 49 - absolute circular error at 90 % significance level of biased data Absolute horizontal accuracy of the data’s coordinates, expressed in terms of circular error at 90 % probability given that a bias is present. | |
| 50 - uncertainty ellipse 2D ellipse with the two main axes indicating the direction and magnitude of the highest and the lowest uncertainty of a 2D point. | |
| 51 - confidence ellipse 2D ellipse with the two main axes indicating the direction and magnitude of the highest and the lowest uncertainty of a 2D point. | |
| 52 - relative vertical error Evaluation of the random errors of one relief feature to another in the same dataset or on the same map/chart. It is a function of the random errors in the two elevations with respect to a common vert… | |
| 53 - relative horizontal error Evaluation of the random errors in the horizontal position of one feature to another in the same dataset or on the same map/chart. | |
| typetype | Abstract Measure |