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| SceneAnalyzer (XnNodeHandle hNode=NULL) |
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| SceneAnalyzer (const NodeWrapper &other) |
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XnStatus | Create (Context &context, Query *pQuery=NULL, EnumerationErrors *pErrors=NULL) |
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void | GetMetaData (SceneMetaData &metaData) const |
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const XnLabel * | GetLabelMap () const |
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XnStatus | GetFloor (XnPlane3D &Plane) const |
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| MapGenerator (XnNodeHandle hNode=NULL) |
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| MapGenerator (const NodeWrapper &other) |
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XnUInt32 | GetSupportedMapOutputModesCount () const |
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XnStatus | GetSupportedMapOutputModes (XnMapOutputMode *aModes, XnUInt32 &nCount) const |
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XnStatus | SetMapOutputMode (const XnMapOutputMode &OutputMode) |
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XnStatus | GetMapOutputMode (XnMapOutputMode &OutputMode) const |
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XnUInt32 | GetBytesPerPixel () const |
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XnStatus | RegisterToMapOutputModeChange (StateChangedHandler handler, void *pCookie, XnCallbackHandle &hCallback) |
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void | UnregisterFromMapOutputModeChange (XnCallbackHandle hCallback) |
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const CroppingCapability | GetCroppingCap () const |
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CroppingCapability | GetCroppingCap () |
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GeneralIntCapability | GetBrightnessCap () |
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GeneralIntCapability | GetContrastCap () |
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GeneralIntCapability | GetHueCap () |
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GeneralIntCapability | GetSaturationCap () |
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GeneralIntCapability | GetSharpnessCap () |
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GeneralIntCapability | GetGammaCap () |
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GeneralIntCapability | GetWhiteBalanceCap () |
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GeneralIntCapability | GetBacklightCompensationCap () |
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GeneralIntCapability | GetGainCap () |
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GeneralIntCapability | GetPanCap () |
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GeneralIntCapability | GetTiltCap () |
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GeneralIntCapability | GetRollCap () |
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GeneralIntCapability | GetZoomCap () |
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GeneralIntCapability | GetExposureCap () |
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GeneralIntCapability | GetIrisCap () |
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GeneralIntCapability | GetFocusCap () |
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GeneralIntCapability | GetLowLightCompensationCap () |
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AntiFlickerCapability | GetAntiFlickerCap () |
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| Generator (XnNodeHandle hNode=NULL) |
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| Generator (const NodeWrapper &other) |
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XnStatus | StartGenerating () |
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XnBool | IsGenerating () const |
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XnStatus | StopGenerating () |
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XnStatus | RegisterToGenerationRunningChange (StateChangedHandler handler, void *pCookie, XnCallbackHandle &hCallback) |
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void | UnregisterFromGenerationRunningChange (XnCallbackHandle hCallback) |
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XnStatus | RegisterToNewDataAvailable (StateChangedHandler handler, void *pCookie, XnCallbackHandle &hCallback) |
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void | UnregisterFromNewDataAvailable (XnCallbackHandle hCallback) |
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XnBool | IsNewDataAvailable (XnUInt64 *pnTimestamp=NULL) const |
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XnStatus | WaitAndUpdateData () |
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XnBool | IsDataNew () const |
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const void * | GetData () |
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XnUInt32 | GetDataSize () const |
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XnUInt64 | GetTimestamp () const |
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XnUInt32 | GetFrameID () const |
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const MirrorCapability | GetMirrorCap () const |
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MirrorCapability | GetMirrorCap () |
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const
AlternativeViewPointCapability | GetAlternativeViewPointCap () const |
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AlternativeViewPointCapability | GetAlternativeViewPointCap () |
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const FrameSyncCapability | GetFrameSyncCap () const |
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FrameSyncCapability | GetFrameSyncCap () |
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| ProductionNode (XnNodeHandle hNode=NULL) |
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| ProductionNode (const NodeWrapper &other) |
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NodeInfo | GetInfo () const |
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XnStatus | AddNeededNode (ProductionNode &needed) |
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XnStatus | RemoveNeededNode (ProductionNode &needed) |
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void | GetContext (Context &context) const |
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Context | GetContext () const |
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XnBool | IsCapabilitySupported (const XnChar *strCapabilityName) const |
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XnStatus | SetIntProperty (const XnChar *strName, XnUInt64 nValue) |
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XnStatus | SetRealProperty (const XnChar *strName, XnDouble dValue) |
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XnStatus | SetStringProperty (const XnChar *strName, const XnChar *strValue) |
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XnStatus | SetGeneralProperty (const XnChar *strName, XnUInt32 nBufferSize, const void *pBuffer) |
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XnStatus | GetIntProperty (const XnChar *strName, XnUInt64 &nValue) const |
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XnStatus | GetRealProperty (const XnChar *strName, XnDouble &dValue) const |
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XnStatus | GetStringProperty (const XnChar *strName, XnChar *csValue, XnUInt32 nBufSize) const |
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XnStatus | GetGeneralProperty (const XnChar *strName, XnUInt32 nBufferSize, void *pBuffer) const |
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XnStatus | LockForChanges (XnLockHandle *phLock) |
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void | UnlockForChanges (XnLockHandle hLock) |
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XnStatus | LockedNodeStartChanges (XnLockHandle hLock) |
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void | LockedNodeEndChanges (XnLockHandle hLock) |
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const ErrorStateCapability | GetErrorStateCap () const |
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ErrorStateCapability | GetErrorStateCap () |
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GeneralIntCapability | GetGeneralIntCap (const XnChar *strCapability) |
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| NodeWrapper (XnNodeHandle hNode) |
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| NodeWrapper (const NodeWrapper &other) |
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NodeWrapper & | operator= (const NodeWrapper &other) |
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| ~NodeWrapper () |
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| operator XnNodeHandle () const |
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XnNodeHandle | GetHandle () const |
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XnBool | operator== (const NodeWrapper &other) |
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XnBool | operator!= (const NodeWrapper &other) |
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XnBool | IsValid () const |
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const XnChar * | GetName () const |
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XnStatus | AddRef () |
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void | Release () |
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void | SetHandle (XnNodeHandle hNode) |
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void | TakeOwnership (XnNodeHandle hNode) |
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Purpose: Performs an analysis of the scene, identifying different objects.
Data output: A label map and the floor plane.
Remarks:
The scene analyzer node analyzes a scene, calculating the separation of the foreground from the background, identification of figures in the scene, and detection of the floor plane and its coordinates.
The SceneAnalyzer node's main output is a label map, in which each pixel is labeled according to the object it belongs to. So, for example, each human person gets a separate label, and all pixels belonging to him are labeled with that label.
void xn::SceneAnalyzer::GetMetaData |
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SceneMetaData & |
metaData | ) |
const |
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inline |
Gets the scene analyzer node's latest frame object, saving it in the xn::SceneMetaData object. This frame object is a snapshot of the generated label map data and its associated configuration information at a certain point in time. This saved frame object provides fast and easy access to the scene analyzer node's data and configuration information.
- Parameters
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[out] | metaData | Structure to be filled with the frame object. |
Remarks:
This method is central in the use of the SceneAnalyzer node. Once the SceneAnalyzer node is generating data, after each 'Update Data' call, the application calls this method to get the node's frame object, which contains the data and all its associated properties.
The frame scene is a labeled depth map, in which each pixel contains a numeric label indicating whether it represents a user, or it is part of the background.