Add causal person fusion and MuVAP stage-3 baselines

third_party/EgoSpeak/MiniROAD/utils/registry.py

@@ -0,0 +1,20 @@
+def _register_generic(module_dict, module_name, module):
+    assert module_name not in module_dict
+    module_dict[module_name] = module
+
+
+class Registry(dict):
+
+    def __init__(self, *args, **kwargs):
+        super(Registry, self).__init__(*args, **kwargs)
+
+    def register(self, module_name, module=None):
+        if module is not None:
+            _register_generic(self, module_name, module)
+            return
+
+        def register_fn(fn):
+            _register_generic(self, module_name, fn)
+            return fn
+
+        return register_fn