DriveWorks SDK Reference
5.10.90 Release
For Test and Development only

FeatureList.h
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46#ifndef DW_IMAGEPROCESSING_FEATURES_FEATURELIST_H_
47#define DW_IMAGEPROCESSING_FEATURES_FEATURELIST_H_
48
49#include <dw/core/base/Config.h>
52#include <dw/core/base/Types.h>
53#include <dw/image/Image.h>
54
55#ifdef __cplusplus
56extern "C" {
57#endif
58
62typedef enum dwFeature2DStatus {
67
72
77
83
116{
118 uint32_t* ages;
120 uint32_t* ids;
121 uint32_t* newToOldMap;
123 uint32_t* featureCount;
126 uint32_t currentTimeIdx;
127 uint32_t maxHistory;
128 uint32_t maxFeatures;
130 uint8_t* data;
131 size_t bytes;
135
136typedef struct dwFeatureArray
137{
139 uint32_t* ages;
141 uint32_t* ids;
142 uint32_t* newToOldMap;
144 uint32_t* featureCount;
147 uint32_t timeIdx;
148 uint32_t maxFeatures;
152
158{
161 uint32_t* ids;
162 uint8_t* descriptors;
163 uint32_t* featureCount;
166 uint32_t dimension;
167 uint32_t maxFeatures;
169 uint8_t* data;
170 size_t bytes;
175// dwFeature2DList
192 const uint32_t maxFeatureCount,
193 const dwMemoryType memoryType,
194 dwContextHandle_t context);
195
209
222 cudaStream_t stream);
223
236 const dwFeatureArray* srcFeatures,
237 cudaStream_t stream);
238
255 const uint32_t maxFeatureCount,
256 const uint32_t maxHistoryCapacity,
257 const dwMemoryType memoryType,
258 dwContextHandle_t context);
259
270
283 cudaStream_t stream);
284
298 dwFeatureHistoryArray const* featureHistoryArray);
299
316 dwFeatureHistoryArray const* featureHistoryArray);
317
335 const uint32_t historyIdx,
336 dwFeatureHistoryArray const* featureHistoryArray);
337
351 const dwFeatureHistoryArray* srcFeatureHistory,
352 cudaStream_t stream);
370dwStatus dwFeature_mergeNewToOldMap(uint32_t* d_newToOldMapC2A,
371 const uint32_t* d_newToOldMapC2B,
372 const uint32_t* d_newToOldMapB2A,
373 const uint32_t* d_newToOldMapCount,
374 const uint32_t maxFeatureCount,
375 cudaStream_t stream);
376
394 dwTrivialDataType const dataType,
395 uint32_t const dimension,
396 uint32_t const maxFeatureCount,
397 dwMemoryType const memoryType,
398 dwContextHandle_t context);
399
410
426 dwFeatureDescriptorArray const* srcDescriptors,
427 cudaStream_t stream);
428
440 dwFeatureDescriptorArray const* srcDescriptors);
441
442#ifdef __cplusplus
443}
444#endif
446#endif // DW_IMAGEPROCESSING_FEATURES_FEATURELIST_H_
NVIDIA DriveWorks API: Core Methods
Defines a two-element single-precision floating-point vector.
Definition: MatrixTypes.h:49
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
dwMemoryType
Memory type definitions.
Definition: Types.h:176
dwTrivialDataType
Specifies a type indicator of the underlying trivial data type.
Definition: Types.h:90
dwMemoryType memoryType
Where feature array is located, GPU, CPU or pinned memory.
Definition: FeatureList.h:150
uint32_t maxHistory
Max feature history size.
Definition: FeatureList.h:127
float32_t * scales
Scale change for each feature.
Definition: FeatureList.h:140
float32_t * scales
Scale change for each feature.
Definition: FeatureList.h:119
dwVector2f * locations
Location of feature points.
Definition: FeatureList.h:160
uint32_t * validTrackedCount
Valid tracked features from last frame.
Definition: FeatureList.h:124
dwMemoryType memoryType
Where feature array is located, GPU, CPU or pinned memory.
Definition: FeatureList.h:133
dwFeature2DStatus * statuses
Status of each feature.
Definition: FeatureList.h:138
uint32_t timeIdx
Time index, 0 means latest, N means N frames earlier to latest.
Definition: FeatureList.h:147
size_t bytes
Bytes of raw data.
Definition: FeatureList.h:170
uint8_t * data
Pointer to the raw data address.
Definition: FeatureList.h:169
uint32_t * ages
Age of each feature.
Definition: FeatureList.h:118
uint32_t * ids
Id of each feature.
Definition: FeatureList.h:141
uint32_t * featureCount
Total number of feature points.
Definition: FeatureList.h:144
dwVector2f * locations
Location of feature points.
Definition: FeatureList.h:143
uint32_t dimension
Descriptor dimension.
Definition: FeatureList.h:166
uint32_t * newToOldMap
New to old index map, 1D array of size maxFeatures.
Definition: FeatureList.h:142
dwTrivialDataType dataType
Descriptor data type dimension.
Definition: FeatureList.h:165
uint32_t maxFeatures
Max number of features in one timeIdx.
Definition: FeatureList.h:128
uint32_t * featureCount
Total number of feature points.
Definition: FeatureList.h:163
dwVector2f * locationHistory
Location history of feature points.
Definition: FeatureList.h:122
uint32_t * ids
Id of each feature.
Definition: FeatureList.h:161
uint32_t * featureCount
Total number of feature points.
Definition: FeatureList.h:123
uint32_t * validTrackedCount
Valid tracked features from last frame.
Definition: FeatureList.h:145
dwFeature2DStatus * statuses
Status of each feature.
Definition: FeatureList.h:117
uint32_t * ids
Id of each feature.
Definition: FeatureList.h:120
uint32_t * ages
Age of each feature.
Definition: FeatureList.h:139
uint32_t maxFeatures
Max number of features.
Definition: FeatureList.h:167
size_t bytes
Bytes of raw data.
Definition: FeatureList.h:131
uint32_t currentTimeIdx
Index that points to the latest feature records.
Definition: FeatureList.h:126
uint32_t * newToOldMap
New to old index map, 1D array of size maxFeatures.
Definition: FeatureList.h:121
uint8_t * data
Pointer to the raw data address.
Definition: FeatureList.h:130
uint8_t * descriptors
Descriptor of feature points.
Definition: FeatureList.h:162
dwMemoryType memoryType
Where feature array is located, GPU, CPU or pinned memory.
Definition: FeatureList.h:172
uint32_t maxFeatures
Max number of features.
Definition: FeatureList.h:148
dwFeature2DStatus * statuses
Status of each feature.
Definition: FeatureList.h:159
DW_API_PUBLIC dwStatus dwFeatureDescriptorArray_copyAsync(dwFeatureDescriptorArray *dstDescriptors, dwFeatureDescriptorArray const *srcDescriptors, cudaStream_t stream)
Deep copy all contents from srcDescriptors to dstDescriptors.
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_destroy(dwFeatureHistoryArray featureHistoryArray)
Destroys the featureHistoryArray and frees any memory created by dwFeatureHistoryArray_create().
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_get(dwFeatureArray *featureArray, const uint32_t historyIdx, dwFeatureHistoryArray const *featureHistoryArray)
Get the feature snapshot(arraySize = maxFeatureCount) historyIdx-th frame earlier.
dwFeature2DStatus
Defines the possible status of a feature.
Definition: FeatureList.h:62
DW_API_PUBLIC dwStatus dwFeature_mergeNewToOldMap(uint32_t *d_newToOldMapC2A, const uint32_t *d_newToOldMapC2B, const uint32_t *d_newToOldMapB2A, const uint32_t *d_newToOldMapCount, const uint32_t maxFeatureCount, cudaStream_t stream)
Merge newToOldMap from 2 inputs.
DW_API_PUBLIC dwStatus dwFeatureArray_copyAsync(dwFeatureArray *dstFeatures, const dwFeatureArray *srcFeatures, cudaStream_t stream)
Deep copy all contents from srcFeatures to dstFeatures.
DW_API_PUBLIC dwStatus dwFeatureDescriptorArray_destroy(dwFeatureDescriptorArray const *descriptorArray)
Destroys the descriptor array and frees any memory created by dwDescriptorArray_create()
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_copyAsync(dwFeatureHistoryArray *dstFeatureHistory, const dwFeatureHistoryArray *srcFeatureHistory, cudaStream_t stream)
Deep copy all contents from srcFeatureHistory to dstFeatureHistory.
DW_API_PUBLIC dwStatus dwFeatureArray_reset(dwFeatureArray *featureArray, cudaStream_t stream)
Resets the feature array.
DW_API_PUBLIC dwStatus dwFeatureDescriptorArray_create(dwFeatureDescriptorArray *descriptorArray, dwTrivialDataType const dataType, uint32_t const dimension, uint32_t const maxFeatureCount, dwMemoryType const memoryType, dwContextHandle_t context)
Creates descriptor array.
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_reset(dwFeatureHistoryArray *featureHistoryArray, cudaStream_t stream)
Resets the feature history array.
DW_API_PUBLIC dwStatus dwFeatureArray_destroy(dwFeatureArray featureArray)
Destroys the featureArray and frees any memory created by dwFeatureArray_create().
DW_API_PUBLIC dwStatus dwFeatureArray_create(dwFeatureArray *featureArray, const uint32_t maxFeatureCount, const dwMemoryType memoryType, dwContextHandle_t context)
Creates and initializes a feature array.
DW_API_PUBLIC dwStatus dwFeatureDescriptorArray_copy(dwFeatureDescriptorArray *dstDescriptors, dwFeatureDescriptorArray const *srcDescriptors)
Deep copy all contents from srcDescriptors to dstDescriptors.
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_create(dwFeatureHistoryArray *featureHistoryArray, const uint32_t maxFeatureCount, const uint32_t maxHistoryCapacity, const dwMemoryType memoryType, dwContextHandle_t context)
Creates and initializes a feature history array.
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_getCurrent(dwFeatureArray *featureArray, dwFeatureHistoryArray const *featureHistoryArray)
Get the latest feature snapshot(arraySize = maxFeatureCount) from history.
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_getPrevious(dwFeatureArray *featureArray, dwFeatureHistoryArray const *featureHistoryArray)
Get the feature snapshot(arraySize = maxFeatureCount) 1 frame previous to current time.
@ DW_FEATURE2D_STATUS_DETECTED
The feature was just detected in the current frame.
Definition: FeatureList.h:71
@ DW_FEATURE2D_STATUS_INVALID
A feature with this entry is garbage.
Definition: FeatureList.h:66
@ DW_FEATURE2D_STATUS_TRACKED
The feature was successfully tracked in the current frame.
Definition: FeatureList.h:76
@ DW_FEATURE2D_STATUS_TYPE_COUNT
number of different dwFeature2DStatus enum type, mark as enum end
Definition: FeatureList.h:81
Holds pointers to the data exposed by a feature2d list.
Definition: FeatureList.h:158
Holds pointers to the data exposed by a feature2d list.
Definition: FeatureList.h:116
NVIDIA DriveWorks API: Image Conversion and Streaming Functionality