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When I want to display an image, the cv2.imshow() fails randomly. import cv2 frame = cv2.imread(&#… Read more Opencv Imshow Fails Randomly

I want to do some planar rectification, to convert from left to right: I have the code to do the c… Read more Opencv: Using Canny And Shi-tomasi To Detect Round Corners Of A Playing Card

I am trying cv2.inpaint, if you add watermark by myself, and then use cv2.inpaint, the result is pe… Read more Opencv For Remove Watermark

I have an image like this: after I applied some processings e.g. cv2.Canny(), it looks like this n… Read more How To Fill The Hollow Lines Opencv

I am trying to detect roi in my image dataset using Otsu thresholding. While in some cases results … Read more Python Opencv Optimal Thresholding

Goal is to horizontally split an image (double newspaper page) in python based on a vertical center… Read more Split Image Horizontally With Python Based On Dark Center Line

I have an image like this below. [![enter image description here][2]][2] I try to add both vertical… Read more Draw Line On A Gridless Image Python Opencv

I am trying cv2.inpaint, if you add watermark by myself, and then use cv2.inpaint, the result is pe… Read more OpenCV For Remove Watermark