diff --git a/.rubocop.yml b/.rubocop.yml
index aad5509e..294fc484 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -45,6 +45,9 @@ Metrics/PerceivedComplexity:
 Style/MultipleComparison:
   Enabled: false
 
+Style/NumericPredicate:
+  Enabled: false
+
 Naming/PredicateMethod:
   Enabled: false
 
diff --git a/lib/templates/image_to_fields.rb b/lib/templates/image_to_fields.rb
index fa342f4e..50837c1c 100755
--- a/lib/templates/image_to_fields.rb
+++ b/lib/templates/image_to_fields.rb
@@ -77,7 +77,7 @@ module Templates
     end
 
     def build_fields_from_detections(detections, image)
-      Array.new(detections[:xyxy].shape[0]) do |i|
+      detections[:xyxy].shape[0].times.filter_map do |i|
         x1 = detections[:xyxy][i, 0]
         y1 = detections[:xyxy][i, 1]
         x2 = detections[:xyxy][i, 2]
@@ -92,6 +92,12 @@ module Templates
         x1_norm = x2 / image.width.to_f
         y1_norm = y2 / image.height.to_f
 
+        x1_norm = 1 if x1_norm > 1
+        y1_norm = 1 if y1_norm > 1
+
+        next if x0_norm < 0 || x0_norm > 1
+        next if y0_norm < 0 || y0_norm > 1
+
         type_name = ID_TO_CLASS[class_id]
 
         Field.new(