Given an image containing a mirror symmetrical object, such as a car or a butterfly, I want to find the symmetry axis: Due to perspective distortions the two halves of a symmetrical object will never …

Jul 11, 2014 · Hi there, I am writing a project in C++ using opencv to implement an algorithm from a paper and one of the first step that I have to do is to take an image in input and find global dominant …

Feb 1, 2019 · from mpl_toolkits.mplot3d import Axes3D def plot_pose3_on_axes(axes, gRp, origin, axis_length=0.1): """Plot a 3D pose on given axis 'axes' with given 'axis_length'.""" # get rotation and …

Nov 9, 2017 · I am using aruco markers to get the location of a robot. After getting the pose from the estimatePoseSingleMarkers i obtain the rvecs and tvecs for a given marker. From this how could i …

Apr 13, 2020 · Drawing checkerboard's reference frame does not yield correct results (solvePnp+projectPoints)

Nov 28, 2016 · Problem description I have rotated and scaled scene and need to correct the scale and rotation , then find rectangle known object in the last fixed image Input -Image scense from Camera …

Aug 19, 2020 · I want to visualize epipolar lines in a given 3-D scene with two cameras. I have code that works when the two cameras are only offset along the X axis. If the cameras are offset along the Y or …

Dec 20, 2015 · As a simpler form, the Affine Transform is a special case of the Perspective Transform, with the bottom row as [0,0,1]. If you look here you can see how it decomposes into scale, rotation, …

Oct 1, 2015 · The question is, if there is negative degree value, in normal mathematical quadrant, it will be located in quadrant 2 and 4 but from the picture it shows that it is in quadrant 1 and 3. While this …

Mar 24, 2016 · Full description of what I want: Get full image - assume a single bright object on a black background. Define a ROI (rectangle) Normalize it if not already aligned with the axis of interest. Also …