BoxTracker2D.h

Go to the documentation of this file.

/*
 * SPDX-FileCopyrightText: Copyright (c) 2015-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
 */
 
#ifndef DW_IMAGEPROCESSING_TRACKING_BOXTRACKER2D_BOXTRACKER2D_H_
#define DW_IMAGEPROCESSING_TRACKING_BOXTRACKER2D_BOXTRACKER2D_H_
 
// C api
#include <dw/core/base/Config.h>
#include <dw/core/context/Context.h>
#include <dw/core/base/Types.h>
#include <dw/imageprocessing/features/FeatureList.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
typedef struct dwBoxTracker2DObject* dwBoxTracker2DHandle_t;
 
typedef struct
{
    dwBox2D box;
    int32_t id;
    float32_t confidence;
    int32_t trackedFrameCount;
    const float32_t* featureLocations;
    size_t nFeatures;
} dwTrackedBox2D;
 
typedef struct
{
    uint32_t maxBoxCount;
    uint32_t maxFeatureCountPerBox;
    float64_t maxBoxImageScale;
    float64_t minBoxImageScale;
    float64_t similarityThreshold;
    uint32_t groupThreshold;
    float32_t maxMatchDistance;
    float32_t minMatchOverlap;
    float32_t confRateDetect;
    float32_t confRateTrack;
    float32_t confThreshConfirm;
    float32_t confThreshDiscard;
} dwBoxTracker2DParams;
 
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_initParams(dwBoxTracker2DParams* parameters);
 
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_initialize(dwBoxTracker2DHandle_t* obj, const dwBoxTracker2DParams* parameters,
                                   int32_t imageWidth, int32_t imageHeight, dwContextHandle_t context);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_reset(dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_shallowReset(dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_release(dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_add(const dwBox2D* boxes, size_t num, dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_addPreClustered(const dwTrackedBox2D* boxes, size_t num, dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_track(const float32_t* curFeatureLocations,
                              const dwFeature2DStatus* curFeatureStatuses,
                              const float32_t* preFeatureLocations, dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_updateFeatures(const float32_t* featureLocations,
                                       const dwFeature2DStatus* statuses,
                                       size_t nFeatures, dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_get(const dwTrackedBox2D** boxList, size_t* num, dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_enablePriorityTracking(bool enable, dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_setTrackingPriority(uint32_t idx, float32_t priority, dwBoxTracker2DHandle_t obj);
 
DW_API_PUBLIC
dwStatus dwBoxTracker2D_getTrackingPriority(float32_t* priority, uint32_t idx, dwBoxTracker2DHandle_t obj);
 
#ifdef __cplusplus
}
#endif
 
#endif // DW_IMAGEPROCESSING_TRACKING_BOXTRACKER2D_BOXTRACKER2D_H_