http://niyanchun.com/mvia-2-haar-cascades-object-detection.html zh-CN Haar Cascades是Paul Viola和Michael Jones在2001年发表的论文"Rapid Object Detection using a Boosted Cascade ... Thu, 01 Jan 1970 08:00:00 +0800 Thu, 01 Jan 1970 08:00:00 +0800