Update ssd_training.py

nets/ssd_training.py

@@ -193,7 +193,7 @@ class Generator(object):
             
         # 调整图片大小
         new_ar = w / h * rand(1 - jitter, 1 + jitter) / rand(1 - jitter, 1 + jitter)
-        scale = rand(.5, 1.5)
+        scale = rand(.25, 2)
         if new_ar < 1:
             nh = int(scale * h)
             nw = int(nh * new_ar)