KLTFeatureTracker.h

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#ifndef NV_VPI_ALGORITHMS_KLT_BOUNDING_BOX_TRACKER_H
#define NV_VPI_ALGORITHMS_KLT_BOUNDING_BOX_TRACKER_H
 
#include "../Export.h"
#include "../ImageFormat.h"
#include "../Status.h"
#include "../Types.h"
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct
{
    int32_t maxTemplateCount;  
    int32_t maxTemplateWidth;  
    int32_t maxTemplateHeight; 
} VPIKLTFeatureTrackerCreationParams;
 
VPI_PUBLIC VPIStatus vpiInitKLTFeatureTrackerCreationParams(VPIKLTFeatureTrackerCreationParams *params);
 
#if NV_VPI_VERSION_API_IS(1, 0)
__asm__(".symver vpiCreateKLTFeatureTracker,vpiCreateKLTFeatureTracker@VPI_1.0");
#endif
VPI_PUBLIC VPIStatus vpiCreateKLTFeatureTracker(uint32_t backends, int32_t imageWidth, int32_t imageHeight,
                                                VPIImageFormat imageFormat,
                                                const VPIKLTFeatureTrackerCreationParams *params, VPIPayload *payload);
 
typedef enum
{
    VPI_KLT_INVERSE_COMPOSITIONAL
} VPIKLTFeatureTrackerType;
 
typedef struct
{
    int32_t numberOfIterationsScaling; 
    float nccThresholdUpdate;          
    float nccThresholdKill; 
    float nccThresholdStop; 
    float maxScaleChange;
 
    float maxTranslationChange;
 
    VPIKLTFeatureTrackerType trackingType;
} VPIKLTFeatureTrackerParams;
 
VPI_PUBLIC VPIStatus vpiInitKLTFeatureTrackerParams(VPIKLTFeatureTrackerParams *params);
 
VPI_PUBLIC VPIStatus vpiSubmitKLTFeatureTracker(VPIStream stream, uint32_t backend, VPIPayload payload,
                                                VPIImage templateImage, VPIArray inputBoxList,
                                                VPIArray inputPredictionList, VPIImage referenceImage,
                                                VPIArray outputBoxList, VPIArray outputEstimationList,
                                                const VPIKLTFeatureTrackerParams *params);
#ifdef __cplusplus
}
#endif
 
#endif /* NV_VPI_ALGORITHMS_KLT_BOUNDING_BOX_TRACKER_H */