visual3d:documentation:pipeline:metric_commands:metric_commands_overview
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| visual3d:documentation:pipeline:metric_commands:metric_commands_overview [2024/07/17 15:42] – removed sgranger | visual3d:documentation:pipeline:metric_commands:metric_commands_overview [2025/02/06 21:33] (current) – wikisysop | ||
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| + | ===== Metric Commands Overview ===== | ||
| + | |||
| + | ==== Metrics ==== | ||
| + | |||
| + | Metrics are discrete quantitative values of signals such as maximum value, median value, value at a specified frame. In other words, metrics do not have a time-base like the other signals. | ||
| + | |||
| + | ====Metric Computation==== | ||
| + | |||
| + | === Metric_Compute_DFT_Coefficients === | ||
| + | [[https:// | ||
| + | |||
| + | This command computes a metric signal containing the Discrete Fourier Transform of a Signal coefficients and the Base Frequency. | ||
| + | |||
| + | === Metric_Compute_Gait_Signal_Stats === | ||
| + | [[https:// | ||
| + | |||
| + | Compute discrete gain metrics that are part of the common cohort of [[https:// | ||
| + | |||
| + | === Metric_Compute_Power_From_DFT_Coefficients === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Compute_Temporal_Distance === | ||
| + | [[https:// | ||
| + | |||
| + | === Temporal_distance_calculations_for_gait === | ||
| + | Compute the Gait Temporal Distance values consistent with the Visual3D report item | ||
| + | |||
| + | [[https:// | ||
| + | |||
| + | === Compute_Volume_of_a_Convex_Hull_Across_Frames === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Compute_95Confidence_Ellipse === | ||
| + | [[https:// | ||
| + | |||
| + | ==== Metric Math ==== | ||
| + | |||
| + | === Metric_Cross_Product === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Dot_Product === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Integrate === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Maximum === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Mean === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Median === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Minimum === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Root_Mean_Squared === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_StdDev === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Sum === | ||
| + | [[https:// | ||
| + | |||
| + | ==== Metric Events ==== | ||
| + | |||
| + | === Metric_Event_Count === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Event_Sequence_Count === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Explicit === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Frames_Between_Events === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Time_Between_Events === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Time_of_Maximum_from_Event === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Time_of_Minimum_from_Event === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Time_of_Global_Maximum_from_Event === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Time_of_Global_Minimum_from_Event === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Time_of_Threshold_from_Event === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Vector_Between_Events === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Signal_Value_At_Event === | ||
| + | [[https:// | ||
| + | |||
| + | The value of the specified signal at the specified frame of data. | ||
| + | === Metric_Signal_Values_in_Sequence === | ||
| + | [[https:// | ||
| + | ==== Miscellaneous ==== | ||
| + | |||
| + | === Metric_To_Fit_Signal_To_Line === | ||
| + | [[https:// | ||
| + | |||
| + | === Remove_Metrics_By_Threshold === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_Golf_Swing_Plane === | ||
| + | [[https:// | ||
| + | |||
| + | === Metric_From_C3D_Parameter === | ||
| + | [[https:// | ||
| + | |||
| + | ==== Examples ==== | ||
| + | |||
| + | This collection of examples gives you an overview of the types of calculations that can be done using metric pipeline commands. | ||
| + | |||
| + | === Metrics Example 1 === | ||
| + | [[https:// | ||
| + | |||
| + | Computing the metrics SI and DPSI defined in the following Journal Article. | ||
| + | Wikstrom EA, Tillman MD, Kline KJ, Borsa PA (2006) Gender and Limb Differences in Dynamic Postural Stability During Landing. Clin J Sport Med | ||
| + | === Metrics Example 2 === | ||
| + | [[https:// | ||
| + | |||
| + | Given a file with multiple walking strides for which the events LON and RON have been created represent left and right contacts with an instrumented treadmill. | ||
| + | Create one metric signal containing the value of the right knee angle at the event RON interleaved with the left knee angle at the event LON. | ||
| + | === Metrics Example 3 === | ||
| + | [[https:// | ||
| + | |||
| + | === Metrics Example 4 === | ||
| + | [[https:// | ||
| + | |||
| + | Create a meta-command that computes a linear regression. See also Metrics Example 5 | ||
| + | === Metrics Example 5 === | ||
| + | [[https:// | ||
| + | |||
| + | Create a meta-command that computes a linear regression. See also Metrics Example 4 | ||
| + | This example uses Event_Labels to define the range | ||
| + | === Metrics_Example_20 === | ||
| + | |||
| + | [[https:// | ||
| + | |||
| + | Create a metric for each of a series of event labels containing the frame number of the event | ||
| + | |||
visual3d/documentation/pipeline/metric_commands/metric_commands_overview.1721230948.txt.gz · Last modified: 2024/07/17 15:42 by sgranger