opencv-legacy: opencv-legacy (Open Source Computer Vision) opencv-legacy: opencv-legacy: OpenCV (Open Source Computer Vision Library) is an open source opencv-legacy: computer vision and machine learning software library. OpenCV was opencv-legacy: built to provide a common infrastructure for computer vision opencv-legacy: applications and to accelerate the use of machine perception in opencv-legacy: commercial products. opencv-legacy: opencv-legacy: Intended for SlackBuilds requiring opencv no greater than v3.1.0. opencv-legacy: opencv-legacy: Homepage: https://www.opencv.org