sdp 与rtsp 的结合的中文文档，很好看哦。 sdp 与rtsp 的结合的中文文档，很好看哦。

关于metric learning的综述，涉及到许多的知识：SVM、kernel、SDP等-This paper surveys the field of distance metric learning from a principle perspective, and includes a broad selection of recent work. In particular, distance metric learning is reviewed under different