NVIDIA DRIVE OS Linux SDK API Reference

5.1.15.2 Release
For Test and Development only
NvMediaVPIGetKeyPointsHarrisParams Struct Reference

Detailed Description

Holds Harris keypoint parameters.

Definition at line 671 of file nvmedia_vpi.h.

Data Fields

const uint32_t gradientSize
 Holds gradient window size. More...
 
const NvMediaVPIHarrisGradientFilterType gradientFilterType
 Holds filter type. More...
 
const int16_t * horizontalFilterCoefficients
 Holds horizontal filter of gradientSize coefficients. More...
 
const uint16_t * verticalFilterCoefficients
 Holds vertical filter of gradientSize coefficients. More...
 
const uint32_t blockSize
 Holds block window size used to compute the Harris Corner score. More...
 
const float strengthThresh
 Holds the minimum threshold with which to eliminate Harris Corner scores. More...
 
const float sensitivity
 Holds the sensitivity threshold from the Harris-Stephens equation. More...
 
const NvMediaVPINonMaxSuppressionType nonMaxSuppressionType
 Holds the post-process non-maximum suppression type. More...
 
const float minDistance
 Holds the radial Euclidean distance for non-maximum suppression. More...
 

Field Documentation

◆ blockSize

const uint32_t NvMediaVPIGetKeyPointsHarrisParams::blockSize

Holds block window size used to compute the Harris Corner score.

Must be 3, 5 or 7.

Definition at line 682 of file nvmedia_vpi.h.

◆ gradientFilterType

const NvMediaVPIHarrisGradientFilterType NvMediaVPIGetKeyPointsHarrisParams::gradientFilterType

Holds filter type.

Definition at line 675 of file nvmedia_vpi.h.

◆ gradientSize

const uint32_t NvMediaVPIGetKeyPointsHarrisParams::gradientSize

Holds gradient window size.

Must be 3, 5 or 7.

Definition at line 673 of file nvmedia_vpi.h.

◆ horizontalFilterCoefficients

const int16_t* NvMediaVPIGetKeyPointsHarrisParams::horizontalFilterCoefficients

Holds horizontal filter of gradientSize coefficients.

Definition at line 677 of file nvmedia_vpi.h.

◆ minDistance

const float NvMediaVPIGetKeyPointsHarrisParams::minDistance

Holds the radial Euclidean distance for non-maximum suppression.

Definition at line 691 of file nvmedia_vpi.h.

◆ nonMaxSuppressionType

const NvMediaVPINonMaxSuppressionType NvMediaVPIGetKeyPointsHarrisParams::nonMaxSuppressionType

Holds the post-process non-maximum suppression type.

Definition at line 689 of file nvmedia_vpi.h.

◆ sensitivity

const float NvMediaVPIGetKeyPointsHarrisParams::sensitivity

Holds the sensitivity threshold from the Harris-Stephens equation.

Definition at line 687 of file nvmedia_vpi.h.

◆ strengthThresh

const float NvMediaVPIGetKeyPointsHarrisParams::strengthThresh

Holds the minimum threshold with which to eliminate Harris Corner scores.

Definition at line 685 of file nvmedia_vpi.h.

◆ verticalFilterCoefficients

const uint16_t* NvMediaVPIGetKeyPointsHarrisParams::verticalFilterCoefficients

Holds vertical filter of gradientSize coefficients.

Definition at line 679 of file nvmedia_vpi.h.


The documentation for this struct was generated from the following file: