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  • DriveWorks SDK Reference
    5.10.90 Release
    For Test and Development only

    All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Modules Pages
    SFM.h
    Go to the documentation of this file.
    1
    2//
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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
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    97
    101
    105
    108
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    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
    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:57
    struct dwContextObject * dwContextHandle_t
    Context handle.
    Definition: Context.h:83
    #define DW_API_PUBLIC
    Definition: Exports.h:54
    dwStatus
    Status definition.
    Definition: Status.h:173
    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
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