Sync train and test iou_thresh (#1465)

* Sync train and test iou_thresh

* Sync train and test iou_thresh

* weights names .lower()

* Notebook update

test.py

@@ -21,7 +21,7 @@ from utils.torch_utils import select_device, time_synchronized
 
 def test(data,
          weights=None,
-         batch_size=16,
+         batch_size=32,
          imgsz=640,
          conf_thres=0.001,
          iou_thres=0.6,  # for NMS
@@ -279,7 +279,7 @@ if __name__ == '__main__':
     parser.add_argument('--batch-size', type=int, default=32, help='size of each image batch')
     parser.add_argument('--img-size', type=int, default=640, help='inference size (pixels)')
     parser.add_argument('--conf-thres', type=float, default=0.001, help='object confidence threshold')
-    parser.add_argument('--iou-thres', type=float, default=0.65, help='IOU threshold for NMS')
+    parser.add_argument('--iou-thres', type=float, default=0.6, help='IOU threshold for NMS')
     parser.add_argument('--task', default='val', help="'val', 'test', 'study'")
     parser.add_argument('--device', default='', help='cuda device, i.e. 0 or 0,1,2,3 or cpu')
     parser.add_argument('--single-cls', action='store_true', help='treat as single-class dataset')