Per Stenebo
2017-05-22 09:54:51
2020-08-30 07:16:25
Vision
Image processing
| OpenCV | SimpleCV | pythonvision.org |
OpenCV
OpenCV info: | main site | 4.4 docs | releases |
Check version:
python -c "import cv2; print cv2.__version__"
python3 -c "import cv2; print (cv2.__version__)"
Installation
Install OpenCV 4 on Raspberry Pi 3B/3B+/4 and Raspbian Buster
Ubuntu 18.04 + Python 3 + OpenCV 4
Ubuntu 18.04: How to install OpenCV
Where did it go?
sudo find / -type f -not -path "$HOME/opencv*" \( -iname "opencv*" -or -iname "cv2*" \)
... /usr/local/lib/python3.7/dist-packages/cv2/python-3.7/cv2.cpython-37m-arm-linux-gnueabihf.so
Användning
Table: Image processing (manipulation) functions inside OpenCV
| Basic Operations on Images | OpenCV Blur functions |
How-To: Compare Two Images Using Python
pyimagesearch: | Raspberry Pi Face Recognition |
OpenCV contour
| remove contour |
OpenCV Canny edge detection
| tutorial |
OpenCV shape detection: | pyimagesearch |
HoughCircles
| docs.opencv.org tutorial | pyimagesearch |
http://docs.opencv.org/2.4/modules/imgproc/doc/feature_detection.html?highlight=houghcircles
SimpleBlobDetector
| learnopencv.com | docs.opencv.org | Save and load keypoints | makehardware.com |
pyimagesearch -Histogram of Oriented Gradients and Object Detection
Övrigt