Overlay plot on an image inside a for loop Python Question: I am trying to overlay a matplotlib plot on an image using the following code snippet. plt.imshow(image, zorder=0) plt.plot(some_array, zorder=1) plt.savefig(‘image_array.png’) If I now include this code inside a for loop to overlay a plot on a different image in each loop, the resulting …
How to read video file using Foundry Nuke Python interpreter? Question: I try to merge 2 videos in Nuke. When I’m doing it in GUI everything is OK but when I’m doing it in python interpreter the result contains only the first frames of each video. What am I doing wrong in the code below? …
OpenCV throws a bad argument error when using addWeighted() Question: I am trying to add an overlay on top of an image using cv2.addWeighted(…) but it throws the following error: dst = cv2.addWeighted(logo, alpha, overlay, 1-alpha, 0) cv2.error: OpenCV(4.4.0) /tmp/pip-req-build-99ib2vsi/opencv/modules/core/src/arithm.cpp:691: error: (-5:Bad argument) When the input arrays in add/subtract/multiply/divide functions have different types, the output …
How to overlap the white pixels from binary onto original image? Question: I have an aerial image: I was able to get a binary image of the riverbed of the river part: After applying a distance transform and some segmentation techniques I was able to get a binary image of the mean riverline: My question …
How to make transparent cross symbol in python pyqt5 Question: Does anyone know how I can make my crosshair transparent or have an opacity? im trying to make a crosshair that looks like this: here is the code: import sys from PyQt5 import QtCore, QtGui, QtWidgets class Crosshair(QtWidgets.QWidget): def __init__(self, parent=None, windowSize=24, penWidth=2): QtWidgets.QWidget.__init__(self, parent) …
How do you directly overlay a scatter plot on top of a jpg image in matplotlib / Python? Question: I need to rapidly plot jpg frames that result as the output of a tracking algorithm. Companion with the jpg frames are text files containing simple (x,y) data locating the image targets that are being tracked. …
