Minor fix

src/detector.c

@@ -191,7 +191,7 @@ void train_detector(char *datacfg, char *cfgfile, char *weightfile, int *gpus, i
             if (dim_w < net.resize_step) dim_w = net.resize_step;
             if (dim_h < net.resize_step) dim_h = net.resize_step;
             int dim_b = (init_b * max_dim_w * max_dim_h) / (dim_w * dim_h);
-            int new_dim_b = (int)(dim_b * 0.9);
+            int new_dim_b = (int)(dim_b * 0.8);
             if (new_dim_b > init_b) dim_b = new_dim_b;
 
             args.w = dim_w;

src/yolo_layer.c

@@ -541,6 +541,9 @@ void forward_yolo_layer(const layer l, network_state state)
         }
     }
 
+    if (count == 0) count = 1;
+    if (class_count == 0) class_count = 1;
+
     //*(l.cost) = pow(mag_array(l.delta, l.outputs * l.batch), 2);
     //printf("Region %d Avg IOU: %f, Class: %f, Obj: %f, No Obj: %f, .5R: %f, .75R: %f,  count: %d\n", state.index, avg_iou / count, avg_cat / class_count, avg_obj / count, avg_anyobj / (l.w*l.h*l.n*l.batch), recall / count, recall75 / count, count);