updates

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

models.py

@@ -88,7 +88,7 @@ def create_modules(module_defs, img_size, arc):
                 elif arc == 'Fdefault':  # Focal default no pw (28 cls, 21 obj, no pw)
                     b = [-2.1, -1.8]
                 elif arc == 'uFBCE':  # unified FocalBCE (5120 obj, 80 classes)
-                    b = [0, -3.5]
+                    b = [0, -6.5]
                 elif arc == 'uFCE':  # unified FocalCE (64 cls, 1 background + 80 classes)
                     b = [7, -0.1]
 

utils/datasets.py

@@ -146,6 +146,7 @@ class LoadWebcam:  # for inference
     def __next__(self):
         self.count += 1
         if cv2.waitKey(1) == 27:  # esc to quit
+            self.cap.release()
             cv2.destroyAllWindows()
             raise StopIteration