自动标注的分割json下载后，没有标注坐标？只有检测框坐标和下面这个东西。真是日了狗了！有没有大佬知道这是个啥玩意，咋转化为分割坐标那？

"mask": "gmd:6h>4M2N1O1N2O1O100O1O100O1O2O0O100O1O2O0O2O0O100O2N1O101N1O2N1O1O2N100O

完整json如下：

{"labels": [{"name": "standing", "x1": 723, "y1": 120, "x2": 848, "y2": 201, "mask": "gmd:6h>4M2N1O1N2O1O100O1O100O1O2O0O100O1O2O0O2O0O100O2N1O101N1O2N1O1O2N100O2O001O001N2O1O001N2O1O1N2O1O2N1O4L1O001O1O00001O00001O001O001O00000000001O000010O001O01O01O01O01O10O01O10O01O1O1O1O1O100O001O1O1O100O1O1O1O001O1O1O1O0O2O1O001N2O1N2N2M3MX:", "shape": "", "meta": {}, "size": {"height": 480, "width": 848}}, {"name": "standing", "x1": 750, "y1": 219, "x2": 847, "y2": 391, "mask": "WWQ;4j>4N1O2O0O001O00001O01O01O1O100O02O0O0001O01O000001O001O1O1O001N10000O2XCBk:?TECj:>WEBg:`0YE@e:b0ZE@c:b0\\E_O`:e0^E]O\\:i0cEXOX:m0fEUOS:Q1mEPOb9a1^F_N\\9g1cFZN[9i1fEmM7;Q:m1]ETN;2W:f2bE]M\\:e3O1O1O1O001O1O00100O2N0101N1000O010O1001O0O10O0000010O1O001O1O1O00000O100O1O1O10O2N3L7aKnE3M2N3M2N2N101N101N2N101N101O1N1O2N2N2O1N1O2N1O2O0O101N1O2M2O2N1O101N1O1M4M2O2N1O2N1N2F:I7N2O1001O001O001O00001O1O4L9G2M2O1O1O1N2O1O0O1000000O10000O10O10000O010O100O10O10O1000O01O1000O0100000O010O10O10O10O10O10000O1000000O01000O1000O010O1O01000O10O01N2M2FPNdCR2[<:O001O10O10000O10000O2O0O2O0O2O0O3N1N101O1N101O2M2O1N101O0O2O2M2N2N2N2O1N2O2M2O1N101N2N3M5J4L3M3M4L^fl4", "shape": "", "meta": {}, "size": {"height": 480, "width": 848}}, {"name": "standing", "x1": 496, "y1": 80, "x2": 722, "y2": 156, "mask": "VSY72j>6L3N2N1L5G9I8L2O2O0O101N1N3N1O2N1O2O0O100O101N100O1000000O100O1000000O10000000O10000000000O1000O1000O10000000000O1000O1000O100000000000O10O10000000O10000000000O10O100000000000000000O10O10000000O1000000000000000O1000000000O1000O1000000000000000O01000000000O10000000O100000000O1000000000000O1000001O000O101O000O10001O0O101O001N10000010O01O010O0001O010O001O00010O0O10001O0000000000000000UOiBMW=1mBLS=5nBJR=6nBJR=5oBKQ=5PCIR=5oBKQ=4RCIo<7UCA[OOa=?m0000000O2N100O2N100O101N2O1MTgn1", "shape": "", "meta": {}, "size": {"height": 480, "width": 848}}, {"name": "standing", "x1": 373, "y1": 344, "x2": 540, "y2": 411, "mask": "^Pb51n>1O100000N20Ue51iZJ2M2O101O000O2O1O1O1N2O00000O100000000O100TOAVC`0ij2N2O1O9G4K3N001O001O1O001O001O1O00001O001O1O001O002N3M4L1O2N1O2N1O1O000000O1000000O1K5L4O10O0100O10000000O101O000O10000O10000O10O010000O010O100O10O0100O10O10O10000O01000O100000000O100000O10O100000000000001O0000000000000001O00001O010O1O001O1O2N1O1O1O1O1O001O1O2N2N1O1O001N2O1O001N2O2M2O1N101O1N2N2N2N2N3MXf=", "shape": "", "meta": {}, "size": {"height": 480, "width": 848}}, {"name": "lying_down", "x1": 378, "y1": 350, "x2": 554, "y2": 415, "mask": "ach52m>2N2O1O1N2O001O0O2O0O101O0O10001N1000000O101O000O100000000O10000O1000000O100000000O1000000O10000O1000000O100000O010000O10000O100000000O01000O100O100O10O10O10000O10000O100O100O1000O0100O10000O1O100O0010000O100O1O1000O01O1O100O10O0100O010O1000O010O100O01000O10000O100O100O100N2O1O1O1O1M3M3N2O1O1O2M2G:L4M2O3Ljg\\4", "shape": "", "meta": {}, "size": {"height": 480, "width": 848}}, {"name": "lying_down", "x1": 523, "y1": 343, "x2": 674, "y2": 416, "mask": "_lg78f>4M3M2M4J5M3N100N2N2M3N2O1N2N1N3N1010OO2N1O2O100O1O10000O100000000000000000000000000000000001O0000000000000000000000O100000000O010O100O1O1O1O1N2O1000000O10000000000000000000000000000000O101O000000001O000O2O00001O1O001O000O2O1O001O0O2O001N101O0O2O0O2O0O101N2N2O1N2N102L3N3M1O2N3M5H[ac2", "shape": "", "meta": {}, "size": {"height": 480, "width": 848}}]}