Data Structures
struct	VPIKLTBoundingBoxTrackerParams
	Structure that defines the parameters for vpiCreateKLTBoundingBoxTracker. More...

Enumerations
enum	VPIKLTBoundingBoxTrackerType { VPI_KLT_INVERSE_COMPOSITIONAL }
	KLT Tracker type.

Functions
VPIStatus	vpiCreateKLTBoundingBoxTracker (VPIStream stream, uint32_t imageWidth, uint32_t imageHeight, VPIImageType imageType, VPIPayload *payload)
	Creates payload for vpiSubmitKLTBoundingBoxTracker. More...

VPIStatus	vpiSubmitKLTBoundingBoxTracker (VPIPayload payload, VPIImage templateImage, VPIArray inputBoxList, VPIArray inputPredictionList, VPIImage referenceImage, VPIArray outputBoxList, VPIArray outputEstimationList, const VPIKLTBoundingBoxTrackerParams *params)
	Runs KLT Tracker on two frames. More...

Detailed Description

Runs KLT Tracking on two frames.

Function Documentation

VPIStatus vpiCreateKLTBoundingBoxTracker	(	VPIStream	stream,
		uint32_t	imageWidth,
		uint32_t	imageHeight,
		VPIImageType	imageType,
		VPIPayload *	payload
	)

Creates payload for vpiSubmitKLTBoundingBoxTracker.

Parameters

stream	[in] a stream handle
imageWidth	[in] input image width
imageHeight	[in] input image height
imageType	[in] input image type
payload	[out] pointer to a payload handle

VPIStatus vpiSubmitKLTBoundingBoxTracker	(	VPIPayload	payload,
		VPIImage	templateImage,
		VPIArray	inputBoxList,
		VPIArray	inputPredictionList,
		VPIImage	referenceImage,
		VPIArray	outputBoxList,
		VPIArray	outputEstimationList,
		const VPIKLTBoundingBoxTrackerParams *	params
	)

Runs KLT Tracker on two frames.

Outputs tracked bounding boxes and estimated transform array.

Parameters

payload	[in] payload created with vpiCreateKLTBoundingBoxTracker
referenceImage	[in] reference image
templateImage	[in] template image
inputBoxList	[in] input bounding box array, must have type VPI_ARRAY_TYPE_BBOX
inputPredictionList	[in] input predicted transform array, must have type VPI_ARRAY_TYPE_TRANSFORM
params	[in] parameters for the KLT tracker
outputBoxList	[out] output bounding box array, must have type VPI_ARRAY_TYPE_BBOX
outputEstimationList	[out] estimated transform array, must have type VPI_ARRAY_TYPE_TRANSFORM