Add Xiangya B-scan cleaned v3 annotations (JSON)

.gitattributes

@@ -204,3 +204,4 @@ metadata/cleaning_report_20260618_125825.json filter=lfs diff=lfs merge=lfs -tex
 archives/YinhaiUBM/YinHaiUBM.json filter=lfs diff=lfs merge=lfs -text
 archives/YinhaiUBM/YinHaiUBM_cleanedv3.json filter=lfs diff=lfs merge=lfs -text
 archives/BUltrasound/XiangyaBscan.json filter=lfs diff=lfs merge=lfs -text
+archives/BUltrasound/xiangyaBUltrasound_cleanedv3.json filter=lfs diff=lfs merge=lfs -text

archives/BUltrasound/xiangyaBUltrasound_cleanedv3.json

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e57c5a4bb59a3fa927befeecb17e250ad903f2b0781ca4cf68e866edef7bc24c
+size 15559197