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 …

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 …

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

Aug 23, 2018 · I use opencv cv2.solvePnP () function to calculate rotation and translation vectors. Rotation is returned as rvec [vector with 3DOF]. I would like to ask for help with interpreting the …

Aug 31, 2018 · I want to find the relative rotation angles between two Aruco markers, using python and cv2. I'm referring to my markers as the "test" marker and the "reference" marker. I …

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 …

Oct 23, 2019 · Hi everyone! I searched the Internet to find a solution to my specific problem but couldn't find any usable solutions. The problem is: I'm tracking vehicles in a video, and I need …

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 …

Jun 27, 2016 · You can simply use numpy to do this. image = np.zeros((400,400,3), dtype="uint8") image[np.where((image==[0,0,0]).all(axis=2))] = [255,255,255] This will change …

Jul 24, 2020 · The z position is a fixed height. My smartphone is attached to the printhead and takes a picture at each position. All is achieved throughout python and after capturing the …