Some Sugguestions in open cv

hi 

thanks greg for ur help we have done some testing using open cv in native python

can u sugguest some filter examples to remove granual noise

some problems we have noted:

1)problems in detecting very dark colour cars

2)unable to maintain a threshold due change in sun direction

 

GroG's picture

Erode also Blurring can

Erode also Blurring can remove granular noise. As I mentioned before PyramidDown is under utilized. It also can reduce noise - the reason being is your shrinking your domain problem data.

Not only does it reduce noise, but its also quicker.