DriveWorks SDK Reference
5.12.103 Release
For Test and Development only

SFM.h
Go to the documentation of this file.
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30
46#ifndef DW_IMAGEPROCESSING_SFM_SFM_H_
47#define DW_IMAGEPROCESSING_SFM_SFM_H_
48
49#include <dw/core/base/Config.h>
50#include <dw/rig/Rig.h>
54#include <dw/core/base/Types.h>
55
57
58#include <cuda_runtime_api.h>
59
60#include <stdint.h>
61
62#ifdef __cplusplus
63extern "C" {
64#endif
65
74// dwReconstructor
75
79typedef struct dwReconstructorObject* dwReconstructorHandle_t;
80
82typedef struct dwReconstructorObject const* dwConstReconstructorHandle_t;
83
88{
91
94
97
101
105
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119
129
145 const dwReconstructorConfig* config,
146 cudaStream_t stream,
147 dwContextHandle_t context);
148
160
176
195
225 const dwTransformation3f* predictedRig2World,
226 const uint32_t listCount,
227 const uint32_t* const d_featureCounts[],
228 const dwFeature2DStatus* const d_statuses[],
229 const dwVector2f* const d_trackedLocations[],
230 const dwVector4f* const d_worldPoints[],
232
249
275dwStatus dwReconstructor_updateHistory(int32_t* rig2WorldHistoryIdx,
276 const dwTransformation3f* rig2World,
277 const uint32_t listCount,
278 const uint32_t* const d_featureCounts[],
279 const dwVector2f* const d_trackedLocations[],
281
303 dwFeature2DStatus* d_statuses,
304 const uint32_t* d_featureCount,
305 const uint32_t cameraIdx,
307
321 const dwTransformation3f* rig2World,
322 const uint32_t* const d_pointCount[],
323 const dwVector4f* const d_worldPoints[],
325
347 uint32_t cameraIdx,
348 const dwTransformation3f* previousRigToWorld,
349 const dwTransformation3f* predictedRigToWorld,
350 const uint32_t* d_featureCount,
351 const dwFeature2DStatus d_featureStatuses[],
352 const dwVector2f d_featureLocations[],
353 const dwVector4f d_worldPoints[],
355
372 const uint32_t* d_validIndexCount,
373 const uint32_t* d_newToOldMap,
375
391 const uint32_t* d_validIndexCount,
392 const uint32_t* d_newToOldMap,
394
408
420
421#ifdef __cplusplus
422}
423#endif
424
427#endif // DW_IMAGEPROCESSING_SFM_SFM_H_
NVIDIA DriveWorks API: Camera Methods
NVIDIA DriveWorks API: Core Methods
dwStatus
Status definition.
Definition: ErrorDefs.h:45
NVIDIA DriveWorks API: Feature Array and Feature History Array
Specifies a 3D rigid transformation.
Definition: MatrixTypes.h:186
Defines a two-element single-precision floating-point vector.
Definition: MatrixTypes.h:49
Defines a four-element single-precision floating point vector.
Definition: MatrixTypes.h:96
NVIDIA DriveWorks API: Rig Configuration
NVIDIA DriveWorks API: Core Types
NVIDIA DriveWorks API: Core Exports
float float32_t
Specifies POD types.
Definition: BasicTypes.h:58
struct dwContextObject * dwContextHandle_t
Context handle.
Definition: Context.h:86
#define DW_API_PUBLIC
Definition: Exports.h:54
dwFeature2DStatus
Defines the possible status of a feature.
Definition: FeatureList.h:62
float32_t minRigDistance
Specifies the minimum distance between vehicle poses to add a new one to the list.
Definition: SFM.h:104
float32_t maxReprojectionErrorAngleRad
Specifies the max angle of the reprojection error (angle between tracked optical ray and triangulated...
Definition: SFM.h:112
uint32_t maxPoseHistoryLength
Specifies the maximum size of the history.
Definition: SFM.h:96
uint8_t minTriangulationEntries
Specifies the minimum number of entries in the feature history needed for triangulation.
Definition: SFM.h:107
dwConstRigHandle_t rig
Specifies the rig to use for reconstruction.
Definition: SFM.h:90
float32_t poseEstimationOutlierThresholdRad
Specifies the max angle of the reprojection error (angle between tracked optical ray and triangulated...
Definition: SFM.h:117
uint32_t maxFeatureCount
Specifies the maximum number of features for each camera.
Definition: SFM.h:93
float32_t minNewObservationAngleRad
Specifies the minimum cosine of the angle between two optical rays to add a new one to the feature hi...
Definition: SFM.h:100
DW_API_PUBLIC dwStatus dwReconstructor_enableCamerasForPoseEstimation(uint8_t const enabled[], dwReconstructorHandle_t obj)
Marks the cameras to use for pose estimation.
DW_API_PUBLIC dwStatus dwReconstructor_getEstimatedPose(dwTransformation3f *correctedRig2World, dwReconstructorHandle_t obj)
Returns the estimated pose from a previous call to dwReconstructor_estimatePoseAsync.
DW_API_PUBLIC dwStatus dwReconstructor_project(dwVector2f *d_locations[], const dwTransformation3f *rig2World, const uint32_t *const d_pointCount[], const dwVector4f *const d_worldPoints[], dwReconstructorHandle_t obj)
Projects triangulated features back to the image.
DW_API_PUBLIC dwStatus dwReconstructor_reset(dwReconstructorHandle_t obj)
Resets a reconstructor.
DW_API_PUBLIC dwStatus dwReconstructor_estimatePoseAsync(const dwTransformation3f *previousRig2World, const dwTransformation3f *predictedRig2World, const uint32_t listCount, const uint32_t *const d_featureCounts[], const dwFeature2DStatus *const d_statuses[], const dwVector2f *const d_trackedLocations[], const dwVector4f *const d_worldPoints[], dwReconstructorHandle_t obj)
Uses all tracked features from all cameras to estimate the current rig pose.
DW_API_PUBLIC dwStatus dwReconstructor_compactFeatureHistory(const uint32_t cameraIdx, const uint32_t *d_validIndexCount, const uint32_t *d_newToOldMap, dwReconstructorHandle_t obj)
Compacts the internal feature history by keeping only selected features.
struct dwReconstructorObject const * dwConstReconstructorHandle_t
Handle representing a const reconstructor object.
Definition: SFM.h:82
DW_API_PUBLIC dwStatus dwReconstructor_initConfig(dwReconstructorConfig *config)
Initializes the reconstructor config with default values.
DW_API_PUBLIC dwStatus dwReconstructor_updateHistory(int32_t *rig2WorldHistoryIdx, const dwTransformation3f *rig2World, const uint32_t listCount, const uint32_t *const d_featureCounts[], const dwVector2f *const d_trackedLocations[], dwReconstructorHandle_t obj)
Updates the feature and pose history.
DW_API_PUBLIC dwStatus dwReconstructor_setCUDAStream(cudaStream_t stream, dwReconstructorHandle_t obj)
Sets the CUDA stream for CUDA related operations.
struct dwReconstructorObject * dwReconstructorHandle_t
Handle representing a reconstructor object.
Definition: SFM.h:79
DW_API_PUBLIC dwStatus dwReconstructor_initialize(dwReconstructorHandle_t *obj, const dwReconstructorConfig *config, cudaStream_t stream, dwContextHandle_t context)
Creates and initializes a reconstructor.
DW_API_PUBLIC dwStatus dwReconstructor_getCUDAStream(cudaStream_t *stream, dwReconstructorHandle_t obj)
Gets CUDA stream used by the reconstructor.
DW_API_PUBLIC dwStatus dwReconstructor_triangulateFeatures(dwVector4f *d_worldPoints, dwFeature2DStatus *d_statuses, const uint32_t *d_featureCount, const uint32_t cameraIdx, dwReconstructorHandle_t obj)
Triangulates the features of a camera from the internal feature and pose history.
DW_API_PUBLIC dwStatus dwReconstructor_release(dwReconstructorHandle_t obj)
Releases a reconstructor.
DW_API_PUBLIC dwStatus dwReconstructor_compactWorldPoints(dwVector4f *d_worldPoints, const uint32_t *d_validIndexCount, const uint32_t *d_newToOldMap, dwReconstructorHandle_t obj)
Compacts the world point array by keeping only selected features.
DW_API_PUBLIC dwStatus dwReconstructor_predictFeaturePosition(dwVector2f d_predictedLocations[], uint32_t cameraIdx, const dwTransformation3f *previousRigToWorld, const dwTransformation3f *predictedRigToWorld, const uint32_t *d_featureCount, const dwFeature2DStatus d_featureStatuses[], const dwVector2f d_featureLocations[], const dwVector4f d_worldPoints[], dwReconstructorHandle_t obj)
Predicts the positions of features based on the predicted car motion.
Configuration parameters for a reconstructor.
Definition: SFM.h:88
struct dwRigObject const * dwConstRigHandle_t
Definition: Rig.h:71