add benchmark results for object detection (#106)

README.md

@@ -24,7 +24,9 @@ Here are some of the sample results that were observed using the model,
 
 ![test1_res.jpg](./samples/1_res.jpg)
 ![test2_res.jpg](./samples/2_res.jpg)
-  
+
+Check [benchmark/download_data.py](../../benchmark/download_data.py) for the original images.
+
 Video inference result,
 ![WebCamR.gif](./samples/WebCamR.gif)
 

nanodet.py

@@ -37,7 +37,7 @@ class NanoDet:
     def name(self):
         return self.__class__.__name__
 
-    def setBackend(self, backenId):
+    def setBackend(self, backendId):
         self.backend_id = backendId
         self.net.setPreferableBackend(self.backend_id)