VPI - Vision Programming Interface

0.4.4 Release

KLTFeatureTracker.h
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49 
56 #ifndef NV_VPI_ALGORITHMS_KLT_BOUNDING_BOX_TRACKER_H
57 #define NV_VPI_ALGORITHMS_KLT_BOUNDING_BOX_TRACKER_H
58 
67 #include "../Export.h"
68 #include "../ImageFormat.h"
69 #include "../Status.h"
70 #include "../Types.h"
71 
72 #include <stdint.h>
73 
74 #ifdef __cplusplus
75 extern "C" {
76 #endif
77 
81 typedef enum
82 {
94 
105 typedef struct
106 {
115 
119 
123 
125 #define vpiCreateKLTFeatureTracker VPI_APINAME(vpiCreateKLTFeatureTracker, 004)
126 #define vpiSubmitKLTFeatureTracker VPI_APINAME(vpiSubmitKLTFeatureTracker, 004)
127 
139 VPI_PUBLIC VPIStatus vpiCreateKLTFeatureTracker(VPIBackend backend, uint32_t imageWidth, uint32_t imageHeight,
140  VPIImageFormat imageFormat, VPIPayload *payload);
141 
157 VPI_PUBLIC VPIStatus vpiSubmitKLTFeatureTracker(VPIStream stream, VPIPayload payload, VPIImage templateImage,
158  VPIArray inputBoxList, VPIArray inputPredictionList,
159  VPIImage referenceImage, VPIArray outputBoxList,
160  VPIArray outputEstimationList,
161  const VPIKLTFeatureTrackerParams *params); // end of VPI_KLTFeatureTracker
163 
164 #ifdef __cplusplus
165 }
166 #endif
167 
168 #endif // NV_VPI_ALGORITHMS_KLT_BOUNDING_BOX_TRACKER_H
VPIKLTFeatureTrackerParams
Structure that defines the parameters for vpiCreateKLTFeatureTracker.
Definition: KLTFeatureTracker.h:106
vpiCreateKLTFeatureTracker
VPIStatus vpiCreateKLTFeatureTracker(VPIBackend backend, uint32_t imageWidth, uint32_t imageHeight, VPIImageFormat imageFormat, VPIPayload *payload)
Creates payload for vpiSubmitKLTFeatureTracker.
VPIKLTFeatureTrackerType
VPIKLTFeatureTrackerType
KLT Feature Tracker algorithm type.
Definition: KLTFeatureTracker.h:82
VPIBackend
VPIBackend
VPI Backend types.
Definition: Types.h:89
VPIKLTFeatureTrackerParams::numberOfIterationsScaling
uint32_t numberOfIterationsScaling
Number of Inverse compositional iterations of scale estimations.
Definition: KLTFeatureTracker.h:107
vpiSubmitKLTFeatureTracker
VPIStatus vpiSubmitKLTFeatureTracker(VPIStream stream, VPIPayload payload, VPIImage templateImage, VPIArray inputBoxList, VPIArray inputPredictionList, VPIImage referenceImage, VPIArray outputBoxList, VPIArray outputEstimationList, const VPIKLTFeatureTrackerParams *params)
Runs KLT Feature Tracker on two frames.
VPIKLTFeatureTrackerParams::maxScaleChange
float maxScaleChange
Maximum relative scale change.
Definition: KLTFeatureTracker.h:114
VPIStream
struct VPIStreamImpl * VPIStream
A handle to a stream.
Definition: Types.h:190
VPIKLTFeatureTrackerParams::nccThresholdUpdate
float nccThresholdUpdate
Threshold for requiring template update.
Definition: KLTFeatureTracker.h:108
VPIImage
struct VPIImageImpl * VPIImage
A handle to an image.
Definition: Types.h:196
VPIKLTFeatureTrackerParams::trackingType
VPIKLTFeatureTrackerType trackingType
Type of KLT tracking that will be performed.
Definition: KLTFeatureTracker.h:121
VPIPayload
struct VPIPayloadImpl * VPIPayload
A handle to an algorithm payload.
Definition: Types.h:208
VPI_KLT_INVERSE_COMPOSITIONAL
@ VPI_KLT_INVERSE_COMPOSITIONAL
Inverse compositional algorithm for KLT tracker.
Definition: KLTFeatureTracker.h:92
VPIArray
struct VPIArrayImpl * VPIArray
A handle to an array.
Definition: Types.h:172
VPIStatus
VPIStatus
Status codes.
Definition: Status.h:81
VPIImageFormat
VPIImageFormat
Pre-defined image formats.
Definition: ImageFormat.h:94
VPIKLTFeatureTrackerParams::nccThresholdStop
float nccThresholdStop
Threshold to stop estimating.
Definition: KLTFeatureTracker.h:110
VPIKLTFeatureTrackerParams::maxTranslationChange
float maxTranslationChange
Maximum relative translation change.
Definition: KLTFeatureTracker.h:118
VPIKLTFeatureTrackerParams::nccThresholdKill
float nccThresholdKill
Threshold to consider template tracking was lost.
Definition: KLTFeatureTracker.h:109