Update rotate_iou2d_calculator.py

mmrotate/core/bbox/iou_calculators/rotate_iou2d_calculator.py

@@ -20,10 +20,12 @@ def __call__(self,
         Args:
             bboxes1 (:obj:`RotatedBoxes` or Tensor): bboxes have shape (m, 5)
                 in <cx, cy, w, h, t> format, shape (m, 6) in
-                <cx, cy, w, h, t, score> format.
-            bboxes2 (:obj:`RotatedBoxes` or Tensor): bboxes have shape (m, 5)
-                in <cx, cy, w, h, t> format, shape (m, 6) in
-                <cx, cy, w, h, t, score> format, or be empty.
+                <cx, cy, w, h, t, score> format. 't' is the box angle
+                represented in radian.
+            bboxes2 (:obj:`RotatedBoxes` or Tensor): bboxes have shape (n, 5)
+                in <cx, cy, w, h, t> format, shape (n, 6) in
+                <cx, cy, w, h, t, score> format, or be empty. 't' is the box
+                angle represented in radian.
             mode (str): 'iou' (intersection over union), 'iof' (intersection
                 over foreground). Defaults to 'iou'.
             is_aligned (bool): If True, then m and n must be equal.
@@ -60,9 +62,9 @@ def rbbox_overlaps(bboxes1: Tensor,
     """Calculate overlap between two set of rotated bboxes.
 
     Args:
-        bboxes1 (Tensor): shape (B, m, 5) in <cx, cy, w, h, a> format
+        bboxes1 (Tensor): shape (B, m, 5) in <cx, cy, w, h, t> format
             or empty.
-        bboxes2 (Tensor): shape (B, n, 5) in <cx, cy, w, h, a> format
+        bboxes2 (Tensor): shape (B, n, 5) in <cx, cy, w, h, t> format
             or empty.
         mode (str): 'iou' (intersection over union), 'iof' (intersection over
             foreground). Defaults to 'iou'.
@@ -109,10 +111,12 @@ def __call__(self,
         Args:
             bboxes1 (:obj:`RotatedBoxes` or Tensor): bboxes have shape (m, 5)
                 in <cx, cy, w, h, t> format, shape (m, 6) in
-                <cx, cy, w, h, t, score> format.
-            bboxes2 (:obj:`RotatedBoxes` or Tensor): bboxes have shape (m, 5)
-                in <cx, cy, w, h, t> format, shape (m, 6) in
-                <cx, cy, w, h, t, score> format, or be empty.
+                <cx, cy, w, h, t, score> format. 't' is the box angle
+                represented in radian.
+            bboxes2 (:obj:`RotatedBoxes` or Tensor): bboxes have shape (n, 5)
+                in <cx, cy, w, h, t> format, shape (n, 6) in
+                <cx, cy, w, h, t, score> format, or be empty. 't' is the box
+                angle represented in radian.
             mode (str): 'iou' (intersection over union), 'iof' (intersection
                 over foreground).
             is_aligned (bool): If True, then m and n must be equal.