Standardize default region points (#17715)

tests/test_solutions.py

@@ -16,7 +16,7 @@ def test_major_solutions():
     safe_download(url=MAJOR_SOLUTIONS_DEMO)
     cap = cv2.VideoCapture("solutions_ci_demo.mp4")
     assert cap.isOpened(), "Error reading video file"
-    region_points = [(20, 400), (1080, 404), (1080, 360), (20, 360)]
+    region_points = [(20, 400), (1080, 400), (1080, 360), (20, 360)]
     counter = solutions.ObjectCounter(region=region_points, model="yolo11n.pt", show=False)  # Test object counter
     heatmap = solutions.Heatmap(colormap=cv2.COLORMAP_PARULA, model="yolo11n.pt", show=False)  # Test heatmaps
     speed = solutions.SpeedEstimator(region=region_points, model="yolo11n.pt", show=False)  # Test queue manager

ultralytics/cfg/solutions/default.yaml

@@ -2,7 +2,7 @@
 # Configuration for Ultralytics Solutions
 
 # Object counting settings
-region: # Object counting, queue or speed estimation region points. Default region points are [(20, 400), (1080, 404), (1080, 360), (20, 360)]
+region: # Object counting, queue or speed estimation region points. Default region points are [(20, 400), (1080, 400), (1080, 360), (20, 360)]
 show_in: True # Flag to display objects moving *into* the defined region
 show_out: True # Flag to display objects moving *out of* the defined region
 

ultralytics/solutions/solutions.py

@@ -135,7 +135,7 @@ class BaseSolution:
     def initialize_region(self):
         """Initialize the counting region and line segment based on configuration settings."""
         if self.region is None:
-            self.region = [(20, 400), (1080, 404), (1080, 360), (20, 360)]
+            self.region = [(20, 400), (1080, 400), (1080, 360), (20, 360)]
         self.r_s = (
             self.Polygon(self.region) if len(self.region) >= 3 else self.LineString(self.region)
         )  # region or line