OpenCV
4.0.0
Open Source Computer Vision
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Classes | |
class | cv::cuda::HoughCirclesDetector |
Base class for circles detector algorithm. : More... | |
class | cv::cuda::HoughLinesDetector |
Base class for lines detector algorithm. : More... | |
class | cv::cuda::HoughSegmentDetector |
Base class for line segments detector algorithm. : More... | |
Functions | |
Ptr< GeneralizedHoughBallard > | cv::cuda::createGeneralizedHoughBallard () |
Creates implementation for generalized hough transform from [9] . More... | |
Ptr< GeneralizedHoughGuil > | cv::cuda::createGeneralizedHoughGuil () |
Creates implementation for generalized hough transform from [79] . More... | |
Ptr< HoughCirclesDetector > | cv::cuda::createHoughCirclesDetector (float dp, float minDist, int cannyThreshold, int votesThreshold, int minRadius, int maxRadius, int maxCircles=4096) |
Creates implementation for cuda::HoughCirclesDetector . More... | |
Ptr< HoughLinesDetector > | cv::cuda::createHoughLinesDetector (float rho, float theta, int threshold, bool doSort=false, int maxLines=4096) |
Creates implementation for cuda::HoughLinesDetector . More... | |
Ptr< HoughSegmentDetector > | cv::cuda::createHoughSegmentDetector (float rho, float theta, int minLineLength, int maxLineGap, int maxLines=4096) |
Creates implementation for cuda::HoughSegmentDetector . More... | |
Ptr<GeneralizedHoughBallard> cv::cuda::createGeneralizedHoughBallard | ( | ) |
Creates implementation for generalized hough transform from [9] .
Ptr<GeneralizedHoughGuil> cv::cuda::createGeneralizedHoughGuil | ( | ) |
Creates implementation for generalized hough transform from [79] .
Ptr<HoughCirclesDetector> cv::cuda::createHoughCirclesDetector | ( | float | dp, |
float | minDist, | ||
int | cannyThreshold, | ||
int | votesThreshold, | ||
int | minRadius, | ||
int | maxRadius, | ||
int | maxCircles = 4096 |
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Creates implementation for cuda::HoughCirclesDetector .
dp | Inverse ratio of the accumulator resolution to the image resolution. For example, if dp=1 , the accumulator has the same resolution as the input image. If dp=2 , the accumulator has half as big width and height. |
minDist | Minimum distance between the centers of the detected circles. If the parameter is too small, multiple neighbor circles may be falsely detected in addition to a true one. If it is too large, some circles may be missed. |
cannyThreshold | The higher threshold of the two passed to Canny edge detector (the lower one is twice smaller). |
votesThreshold | The accumulator threshold for the circle centers at the detection stage. The smaller it is, the more false circles may be detected. |
minRadius | Minimum circle radius. |
maxRadius | Maximum circle radius. |
maxCircles | Maximum number of output circles. |
Ptr<HoughLinesDetector> cv::cuda::createHoughLinesDetector | ( | float | rho, |
float | theta, | ||
int | threshold, | ||
bool | doSort = false , |
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int | maxLines = 4096 |
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Creates implementation for cuda::HoughLinesDetector .
rho | Distance resolution of the accumulator in pixels. |
theta | Angle resolution of the accumulator in radians. |
threshold | Accumulator threshold parameter. Only those lines are returned that get enough votes ( \(>\texttt{threshold}\) ). |
doSort | Performs lines sort by votes. |
maxLines | Maximum number of output lines. |
Ptr<HoughSegmentDetector> cv::cuda::createHoughSegmentDetector | ( | float | rho, |
float | theta, | ||
int | minLineLength, | ||
int | maxLineGap, | ||
int | maxLines = 4096 |
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Creates implementation for cuda::HoughSegmentDetector .
rho | Distance resolution of the accumulator in pixels. |
theta | Angle resolution of the accumulator in radians. |
minLineLength | Minimum line length. Line segments shorter than that are rejected. |
maxLineGap | Maximum allowed gap between points on the same line to link them. |
maxLines | Maximum number of output lines. |