VPI - Vision Programming Interface

3.0 Release

FASTCorners.h
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49 
56 #ifndef NV_VPI_ALGORITHMS_FAST_CORNERS_H
57 #define NV_VPI_ALGORITHMS_FAST_CORNERS_H
58 
59 #include "../Export.h"
60 #include "../Status.h"
61 #include "../Types.h"
62 
63 #include <stdint.h>
64 
65 #ifdef __cplusplus
66 extern "C" {
67 #endif
68 
81 typedef struct
82 {
92  int32_t circleRadius;
93 
106  int32_t arcLength;
107 
113 
122 
135 
191 VPI_PUBLIC VPIStatus vpiSubmitFASTCornerDetector(VPIStream stream, uint64_t backend, VPIImage input,
192  VPIArray outCorners, const VPIFASTCornerDetectorParams *params,
193  VPIBorderExtension border);
194 
197 #ifdef __cplusplus
198 }
199 #endif
200 
201 #endif /* NV_VPI_ALGORITHMS_FAST_CORNERS_H */
struct VPIArrayImpl * VPIArray
A handle to an array.
Definition: Types.h:232
float intensityThreshold
Threshold to select a pixel as being part of the arc in circle around a keypoint candidate.
Definition: FASTCorners.h:112
int32_t arcLength
Arc length in pixels over the circle to check central pixel is a corner.
Definition: FASTCorners.h:106
int8_t nonMaxSuppression
Whether to apply non-maximum suppression to remove corners too close together.
Definition: FASTCorners.h:120
int32_t circleRadius
Circle radius around a pixel to check if it is a corner.
Definition: FASTCorners.h:92
VPIStatus vpiInitFASTCornerDetectorParams(VPIFASTCornerDetectorParams *params)
Initializes VPIFASTCornerDetectorParams with default values.
VPIStatus vpiSubmitFASTCornerDetector(VPIStream stream, uint64_t backend, VPIImage input, VPIArray outCorners, const VPIFASTCornerDetectorParams *params, VPIBorderExtension border)
Submits a FAST Corner Detector operation to the stream.
Structure that defines the parameters for vpiSubmitFASTCornerDetector.
Definition: FASTCorners.h:82
struct VPIImageImpl * VPIImage
A handle to an image.
Definition: Types.h:256
VPIStatus
Status codes.
Definition: Status.h:81
struct VPIStreamImpl * VPIStream
A handle to a stream.
Definition: Types.h:250
VPIBorderExtension
Image border extension specify how pixel values outside of the image domain should be constructed.
Definition: Types.h:277