gocv

golang pkg simple bind for opencv4

Build

Default

package uses cgo to compile the stdccv static library and link

Dynamic link stdccv

set system env(or use golang build params)

CGO_CPPFLAGS=-I{stdccv include dir};
CGO_LDFLAGS=-LD{stdccv dynamic lib dir} -l{stdccv lib name}

use CMakeLists.txt (project root dir) compile dynamic lib,go build add

Ignore some opencv module

Some modules of opencv are included by default,can be ignored using the build tag

example:ignore opencv_highgui go build -tags=no_cv_highgui

Supported tags and corresponding opencv modules

Tag	cv_module	default
no_cv_highgui	highgui	false
no_cv_imgcodecs	imgcodecs	false
no_cv_imgproc	imgproc	false

Link opencv lib

use precompiled libraries

1. set CGO_CPPFLAGS and CGO_LDFLAGS link opencv include and lib dir
2. add build tags custom_cv for go build

MacOS

install opencv

brew install opencv

install pkgconfig

brew install pkgconfig