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INuiSensor::NuiTransformSmooth Method

Filters skeleton positions to reduce jitter between frames.

public:
HRESULT NuiTransformSmooth(
         NUI_SKELETON_FRAME *pSkeletonFrame,
         const NUI_TRANSFORM_SMOOTH_PARAMETERS *pSmoothingParams
)

Parameters

pSkeletonFrame: Type: NUI_SKELETON_FRAME
[in, out] On entry, points to a NUI_SKELETON_FRAME Structure that contains the skeleton data to be smoothed. On exit, the skeleton data in the structure has been replaced by smoothed data. If NuiTransformSmooth does not return S_OK, the data is unchanged.
pSmoothingParams: Type: NUI_TRANSFORM_SMOOTH_PARAMETERS
[in, optional] The parameters for the smoothing function. See the NUI_TRANSFORM_SMOOTH_PARAMETERS structure for a description of the parameters.

Return Value

Type: HRESULT
Returns S_OK if successful; otherwise, returns one of the failure codes in the following table.

Error	Description
E_OUTOFMEMORY	The allocation failed.
E_POINTER	The value of the pSkeletonFrame parameter is NULL.

Remarks

The filter used is based on the Holt Double Exponential Smoothing method used for statistical analysis of economic data, which provides smoothing with less latency than other smoothing filter algorithms. A single call of this function updates all currently-tracked skeletons.

Requirements

Header: Declared in NuiSensor.h, however, include NuiApi.h in your project.

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INuiSensor::NuiTransformSmooth Method

Parameters

Return Value

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