## problem Description Call `ret, thresh = cv2.threshold(seg, 127, 255, cv2.THRESH_BINARY)` for …
## problem When practicing the `sift` operator, I found this problem: ``` AttributeError: 'm…
## Error code in this article ``` import cv2 import numpy as np # Read images : src imag…
## error ``` OpenCV(3.4.1) Error: Unspecified error (could not find a writer for the specified …
**Possible solutions to fatal error encountered when installing opencv2.4.13 on ubuntu18.04** Du…
## problem1 When debugging the program today, there was no problem. After debugging several time…
## error message ``` Traceback (most recent call last): File “/home/data/PJS/test_bed/img_show…
This bug is caused by the data path problem. Pay attention to two problems with the path: 1. Th…
## code ``` x, y, w, h = cv2.boundingRect(np.array(cnt)) ``` When the above code is execute…
This blog will talk about how to use the Hough Circle Transform to find circles in an image. OpenCV…
Use the yolov3 model to perform YOLOv3 object detection through the opencv camera. ## Import the…
## problem The video real-time face detection function has been made, but the face coverage is b…
## problem code ``` recognizer = cv2.face.LBPHFaceRecognizer_create() recognizer.train(face…
## problem ``` pointCloudX, pointCloudY, pointCloudZ, reprojError = cv2.triangulatePoints(pts1,…
## problem Problems encountered when using the resize function in opencv. my code: ``` im…
## question Regarding the problem of opencv dual-target determination, can we calibrate the two …
## environment * The operating environment of this article * System: Ubuntu 18.04 * ROS …
## question What does this mean when I am playing AE? This problem has never occurred before…
The example below uses OpenCV to convert coordinate system in Python. ## Cartesian to polar coo…
This article summarizes the HOG+SVM related to pedestrian detection. Of course, there are also vehi…
System environment: Windows10 Python environment: Anaconda + Python3.6.3 OpenCV: 3.4.3 Aft…