turns out that its important to have a MinimumBlobArea that is non-ze…

…ro, otherwise you're data will have more 'ants' then truly appear
beelabhmc · Apr 5, 2019 · d9637b3 · d9637b3
1 parent f0ad369
commit d9637b3
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/ant_tracking.m b/ant_tracking.m
@@ -76,7 +76,7 @@
         % characteristics, such as area, centroid, and the bounding box.
 
         obj.blobAnalyser = vision.BlobAnalysis('BoundingBoxOutputPort', true, ...
-            'AreaOutputPort', true, 'CentroidOutputPort', true); %make a parameter
+            'AreaOutputPort', true, 'CentroidOutputPort', true, 'MinimumBlobArea', blobSize); %make a parameter
 end
 
 
@@ -232,7 +232,7 @@ function createNewTracks()
         %    MotionNoise - deviation of selected (ie ConstantVelocity) model from actual model, as a 2 element vector; increase makes Kalman filter more tolerant
         %    MeasurementNoise - tolerance for noise in detections; larger value makes Kalman Filter less tolerant
         kalmanFilter = configureKalmanFilter('ConstantVelocity', ...
-            centroid, [200, 50], [1500, 50], 50);
+            centroid, [200, 50], [150, 50], 50);
 
         % Create a new track.
         newTrack = struct(...

diff --git a/track.py b/track.py
@@ -84,7 +84,7 @@ def main():
     arg_parser.add_argument('--m',
                             dest = 'minBlob',
                             type=int,
-                            default=35,
+                            default=3,
                             help='minimum blob area in pixels (default = 35)')
     arg_parser.add_argument('--e',
                             dest = 'export',