DCFTracker.h

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#ifndef NV_VPI_ALGORITHMS_DCF_TRACKER_H
#define NV_VPI_ALGORITHMS_DCF_TRACKER_H
 
#include "../Export.h"
#include "../ImageFormat.h"
#include "../Status.h"
#include "../Types.h"
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum
{
    VPI_DCFTRACKER_USE_COLORNAMES = 1,
    VPI_DCFTRACKER_USE_HOG = 2,
    VPI_DCFTRACKER_USE_HIGH_PRECISION_FEATURES = 4,
    VPI_DCFTRACKER_DETERMINISTIC = 8
} VPIDCFTrackerCreationFlag;
 
typedef struct
{
    uint32_t flags;
 
    int32_t featurePatchSize;
 
    int32_t hogCellSize;
 
    float featureFocusVertOffsetFactor;
 
    float gaussianSigma;
} VPIDCFTrackerCreationParams;
 
VPI_PUBLIC VPIStatus vpiInitDCFTrackerCreationParams(VPIDCFTrackerCreationParams *params);
 
VPI_PUBLIC VPIStatus vpiCreateDCFTracker(uint64_t backends, int32_t maxNumSequences, int32_t maxNumObjects,
                                         const VPIDCFTrackerCreationParams *params, VPIPayload *payload);
 
typedef struct
{
    float dcfRegFactor;
} VPIDCFTrackerParams;
 
VPI_PUBLIC VPIStatus vpiInitDCFTrackerParams(VPIDCFTrackerParams *params);
 
VPI_PUBLIC VPIStatus vpiSubmitDCFTrackerLocalizeBatch(
    VPIStream stream, uint64_t backend, VPIPayload payload, const int32_t *enabledSequences, int32_t numSequences,
    VPIImage featureMaskingWindow, VPIImage inPatches, VPIArray inObjects, VPIArray outObjects,
    VPIImage outCorrelationResponses, VPIArray outMaxCorrelationResponses, const VPIDCFTrackerParams *params);
 
VPI_PUBLIC VPIStatus vpiSubmitDCFTrackerUpdateBatch(VPIStream stream, uint64_t backend, VPIPayload payload,
                                                    const int32_t *enabledSequences, int32_t numSequences,
                                                    VPIImage featureMaskingWindow, VPIImage modelMaskingWindow,
                                                    VPIImage inPatches, VPIArray trackedObjects,
                                                    const VPIDCFTrackerParams *params);
 
VPI_PUBLIC VPIStatus vpiDCFTrackerGetChannelWeights(VPIPayload payload, VPIArray *channelWeights,
                                                    int32_t *numFeatureChannels);
 
#ifdef __cplusplus
}
#endif
 
#endif /* NV_VPI_ALGORITHMS_DCF_TRACKER_H */