Questions - OpenCV Q&A Forum

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2017-07-11 10:01:30 -0600 LBerger

Rotate points by an angle

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1

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no

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2013-04-08 07:28:27 -0600 StevenPuttemans

What is the cartToPolar angle direction in OpenCV?

Angle

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no

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2014-09-11 04:35:40 -0600 coco

Help me to track the mistake for measuring angles in opencv

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2014-03-13 11:46:22 -0600 zowpro

The function which returns the angle of curvature of the object Opencv C++

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2014-04-22 07:52:15 -0600 gino0717

Restric the angle of fitEllipse?

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2015-02-10 06:31:23 -0600 razvan

Problem when automatically calculating the intrinsic camera values for reduced camera resolutions

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2015-02-25 16:13:28 -0600 ClintFromVa

Camera as angle encoder

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2015-03-31 08:13:18 -0600 bvbdort

line segments from same line showing different angles

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2015-04-15 01:18:36 -0600 Jasdeep

calculate angle between camera and object using single camera

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2015-06-19 05:39:48 -0600 muc

Which algorithm can detect the face While Robustness against to face rotation [closed]

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2015-08-27 00:34:09 -0600 Deepak Kumar

unable to understand this finger counting code

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2015-09-01 03:06:43 -0600 LBerger

aligment plate or RotatedRect and draw

177

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2015-09-09 14:48:49 -0600 gmountain

Can I use OpenCV to compute the turning angle of video in real time?

259

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2015-10-01 05:11:25 -0600 thdrksdfthmn

How to separate the point2f to other variable?

Angle

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2015-11-02 20:33:50 -0600 drVit

ellipse approximation of blob using contours moments : confusing orientation angle

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no

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2016-02-18 06:05:41 -0600 Balaji R

extracting Magnitude and angle from flowfeature

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2016-07-21 03:31:47 -0600 harfbuzz

opencv_error_code-215_channels

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2017-07-13 02:42:00 -0600 KjMag

Shape alignement and differences computation

477

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2017-09-28 09:09:20 -0600 mfisher

Compute Angle of each contour point

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2018-02-04 04:50:58 -0600 supra56

Is there an easy way to calculate the clockwise angle of a line drawing?

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no

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2018-11-20 17:24:19 -0600 nick_leo

Plot angle vs intensity histogram from image center

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2018-11-23 04:54:21 -0600 berak

How to find rotation angle from homography matrix?

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2019-01-03 16:01:16 -0600 sonicdoo

Calculate slope, length and angle of a specific part / side / line on a contour?

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2019-02-12 20:26:40 -0600 kebwi

Isn't the calcOpticalFlowFarneback example calculating hue wrong?

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2020-12-21 08:57:25 -0600 jhon15

Opencv for pcb parts detection and angle calculation

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2015-09-26 08:19:29 -0600 sturkmen

Question about polar or radial angle calculation in the image coordinate system

10k

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1

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2013-10-01 08:23:54 -0600 albertofernandez

template matching angle and scale invariant

748

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2014-10-06 09:29:38 -0600 Siegfried

SIFT detector returns duplicate keypoints

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1

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2014-11-05 16:23:03 -0600 FooBar

Rotation Detection based on Template Matching

597

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no

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2015-07-06 08:46:16 -0600 Javelin

41 questions

Rotate points by an angle

What is the cartToPolar angle direction in OpenCV?

Help me to track the mistake for measuring angles in opencv

The function which returns the angle of curvature of the object Opencv C++

Restric the angle of fitEllipse?

Problem when automatically calculating the intrinsic camera values for reduced camera resolutions

Camera as angle encoder

line segments from same line showing different angles

calculate angle between camera and object using single camera

Which algorithm can detect the face While Robustness against to face rotation [closed]

unable to understand this finger counting code

aligment plate or RotatedRect and draw

Can I use OpenCV to compute the turning angle of video in real time?

How to separate the point2f to other variable?

ellipse approximation of blob using contours moments : confusing orientation angle

extracting Magnitude and angle from flowfeature

opencv_error_code-215_channels

Shape alignement and differences computation

Compute Angle of each contour point

Is there an easy way to calculate the clockwise angle of a line drawing?

Plot angle vs intensity histogram from image center

How to find rotation angle from homography matrix?

Calculate slope, length and angle of a specific part / side / line on a contour?

Isn't the calcOpticalFlowFarneback example calculating hue wrong?

Opencv for pcb parts detection and angle calculation

Question about polar or radial angle calculation in the image coordinate system

template matching angle and scale invariant

SIFT detector returns duplicate keypoints

Rotation Detection based on Template Matching

Calculate pixel angle from the center having hFov and vFov

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