name: "摄像机0"
  desc: "第一个摄像机"
  Matrix: !!opencv-matrix
     rows: 4
     cols: 4
     dt: f
     data: [ 0.230535,-0.973064,5.55112e-17,0,
             0.226372,0.0536314,0.972563,0,
             -0.946366,-0.22421,0.232639,0,
             714.885,256.973,356.22,1  ]