DriveWorks SDK Reference
5.6.215 Release
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FeatureList.h
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46#ifndef DW_IMAGEPROCESSING_FEATURE_LIST_H_
47#define DW_IMAGEPROCESSING_FEATURE_LIST_H_
48
49#include <dw/core/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
80
119{
121 uint32_t* ages;
123 uint32_t* ids;
124 uint32_t* newToOldMap;
126 uint32_t* featureCount;
129 uint32_t currentTimeIdx;
130 uint32_t maxHistory;
131 uint32_t maxFeatures;
133 uint8_t* data;
134 size_t bytes;
138
139typedef struct dwFeatureArray
140{
142 uint32_t* ages;
144 uint32_t* ids;
145 uint32_t* newToOldMap;
147 uint32_t* featureCount;
150 uint32_t timeIdx;
151 uint32_t maxFeatures;
155
157{
160 uint8_t* descriptors;
161 uint32_t* featureCount;
164 uint32_t dimension;
165 uint32_t maxFeatures;
167 uint8_t* data;
168 size_t bytes;
173// dwFeature2DList
190 const uint32_t maxFeatureCount,
191 const dwMemoryType memoryType,
192 dwContextHandle_t context);
193
207
219
235 const dwFeatureArray* srcFeatures,
236 cudaStream_t stream);
237
254 const uint32_t maxFeatureCount,
255 const uint32_t maxHistoryCapacity,
256 const dwMemoryType memoryType,
257 dwContextHandle_t context);
258
269
281
295 dwFeatureHistoryArray const* featureHistoryArray);
296
312 dwFeatureHistoryArray const* featureHistoryArray);
313
331 const uint32_t historyIdx,
332 dwFeatureHistoryArray const* featureHistoryArray);
333
350 const dwFeatureHistoryArray* srcFeatureHistory,
351 cudaStream_t stream);
369dwStatus dwFeature_mergeNewToOldMap(uint32_t* d_newToOldMapC2A,
370 const uint32_t* d_newToOldMapC2B,
371 const uint32_t* d_newToOldMapB2A,
372 const uint32_t* d_newToOldMapCount,
373 const uint32_t maxFeatureCount,
374 cudaStream_t stream);
375
393 dwTrivialDataType const dataType,
394 uint32_t const dimension,
395 uint32_t const maxFeatureCount,
396 dwMemoryType const memoryType,
397 dwContextHandle_t context);
398
409
425 dwFeatureDescriptorArray const* srcDescriptors,
426 cudaStream_t stream);
427
439 dwFeatureDescriptorArray const* srcDescriptors);
440
441#ifdef __cplusplus
442}
443#endif
445#endif // DW_IMAGEPROCESSING_FEATURE2D_LIST_H_
NVIDIA DriveWorks API: Core Types
NVIDIA DriveWorks API: Core Methods
NVIDIA DriveWorks API: Core Exports
struct dwContextObject * dwContextHandle_t
Context handle.
Definition: Context.h:79
#define DW_API_PUBLIC
Definition: Exports.h:54
dwStatus
Status definition.
Definition: Status.h:170
float float32_t
Specifies POD types.
Definition: Types.h:70
dwMemoryType
Memory type definitions.
Definition: Types.h:189
dwTrivialDataType
Specifies a type indicator of the underlying trivial data type.
Definition: Types.h:103
Defines a two-element single-precision floating-point vector.
Definition: Types.h:325
dwMemoryType memoryType
Where feature array is located, GPU, CPU or pinned memory.
Definition: FeatureList.h:153
uint32_t maxHistory
Max feature history size.
Definition: FeatureList.h:130
float32_t * scales
Scale change for each feature.
Definition: FeatureList.h:143
float32_t * scales
Scale change for each feature.
Definition: FeatureList.h:122
dwVector2f * locations
Location of feature points.
Definition: FeatureList.h:159
uint32_t * validTrackedCount
Valid tracked features from last frame.
Definition: FeatureList.h:127
dwMemoryType memoryType
Where feature array is located, GPU, CPU or pinned memory.
Definition: FeatureList.h:136
dwFeature2DStatus * statuses
Status of each feature.
Definition: FeatureList.h:141
uint32_t timeIdx
Time index, 0 means latest, N means N frames earlier to latest.
Definition: FeatureList.h:150
size_t bytes
Bytes of raw data.
Definition: FeatureList.h:168
uint8_t * data
Pointer to the raw data address.
Definition: FeatureList.h:167
uint32_t * ages
Age of each feature.
Definition: FeatureList.h:121
uint32_t * ids
Id of each feature.
Definition: FeatureList.h:144
uint32_t * featureCount
Total number of feature points.
Definition: FeatureList.h:147
dwVector2f * locations
Location of feature points.
Definition: FeatureList.h:146
uint32_t dimension
Descriptor dimension.
Definition: FeatureList.h:164
uint32_t * newToOldMap
New to old index map, 1D array of size maxFeatures.
Definition: FeatureList.h:145
dwTrivialDataType dataType
Descriptor data type dimension.
Definition: FeatureList.h:163
uint32_t maxFeatures
Max number of features in one timeIdx.
Definition: FeatureList.h:131
uint32_t * featureCount
Total number of feature points.
Definition: FeatureList.h:161
dwVector2f * locationHistory
Location history of feature points.
Definition: FeatureList.h:125
uint32_t * featureCount
Total number of feature points.
Definition: FeatureList.h:126
uint32_t * validTrackedCount
Valid tracked features from last frame.
Definition: FeatureList.h:148
dwFeature2DStatus * statuses
Status of each feature.
Definition: FeatureList.h:120
uint32_t * ids
Id of each feature.
Definition: FeatureList.h:123
uint32_t * ages
Age of each feature.
Definition: FeatureList.h:142
uint32_t maxFeatures
Max number of features.
Definition: FeatureList.h:165
size_t bytes
Bytes of raw data.
Definition: FeatureList.h:134
uint32_t currentTimeIdx
Index that points to the latest feature records.
Definition: FeatureList.h:129
uint32_t * newToOldMap
New to old index map, 1D array of size maxFeatures.
Definition: FeatureList.h:124
uint8_t * data
Pointer to the raw data address.
Definition: FeatureList.h:133
uint8_t * descriptors
Descriptor of feature points.
Definition: FeatureList.h:160
dwMemoryType memoryType
Where feature array is located, GPU, CPU or pinned memory.
Definition: FeatureList.h:170
uint32_t maxFeatures
Max number of features.
Definition: FeatureList.h:151
dwFeature2DStatus * statuses
Status of each feature.
Definition: FeatureList.h:158
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 dwFeatureArray_reset(dwFeatureArray *featureArray)
Resets the feature array.
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 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 dwFeatureArray_destroy(dwFeatureArray featureArray)
Destroys the featureArray and frees any memory created by dwFeatureArray_create().
DW_API_PUBLIC dwStatus dwFeatureHistoryArray_reset(dwFeatureHistoryArray *featureHistoryArray)
Resets the feature history array.
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
Definition: FeatureList.h:78
Holds pointers to the data exposed by a feature2d list.
Definition: FeatureList.h:119
NVIDIA DriveWorks API: Image Conversion and Streaming Functionality