PANet anchor order correction (#1420)

models/hub/yolov5-panet.yaml

@@ -5,9 +5,9 @@ width_multiple: 1.0  # layer channel multiple
 
 # anchors
 anchors:
-  - [116,90, 156,198, 373,326]  # P5/32
-  - [30,61, 62,45, 59,119]  # P4/16
   - [10,13, 16,30, 33,23]  # P3/8
+  - [30,61, 62,45, 59,119]  # P4/16
+  - [116,90, 156,198, 373,326]  # P5/32
 
 # YOLOv5 backbone
 backbone:
@@ -44,5 +44,5 @@ head:
    [[-1, 10], 1, Concat, [1]],  # cat head P5
    [-1, 3, BottleneckCSP, [1024, False]],  # 23 (P5/32-large)
 
-   [[17, 20, 23], 1, Detect, [nc, anchors]],  # Detect(P5, P4, P3)
+   [[17, 20, 23], 1, Detect, [nc, anchors]],  # Detect(P3, P4, P5)
   ]