Abstract:In the era of rapid development of computer technology, multi platform computer vision library will be produced. As an open source computer vision library, OpenCV is widely used in various fields, which is compatible with multi platform and interface. Under the condition of low illumination, the illumination environment difference is too big or the light is insufficient, which leads to the traditional image acquisition system can not collect the high quality face image, and the limitation is poor. Based on OpenCV in the C++ environment configuration, the use of 3D face recognition technology algorithm, design a set of low illumination conditions of the super resolution face image acquisition system. Experiments show that the design scheme with real-time focusing speed), fast (single acquisition 0.05 seconds), accurate (facial recognition rate of 99.3%) etc. characteristics, be able to fully meet the needs of low illumination conditions for super-resolution of face image acquisition.