npm

opencv

Open source computer vision library for image and video processing

brewmacoslinux

Try with needOr install directly

Source

About

Open source computer vision library

Commands

opencv_annotationopencv_interactive-calibrationopencv_createsamplesopencv_traincascade

Examples

Train a cascade classifier for object detection using positive samples$ opencv_traincascade -data cascade_data -vec samples.vec -bg negatives.txt -numPos 100 -numNeg 50 -numStages 10

Create sample dataset from single image for training cascade classifiers

$ opencv_createsamples -img object.jpg -bg negatives.txt -info info.lst -pngoutput samples -maxxangle 0.3 -maxyangle 0.3 -maxzangle 0.3 -num 100

Annotate images for object detection dataset creation$ opencv_annotation --annotations=annotations.txt --images=./images/