Add a new strategy in the list of strategy to process

obj.addStrategy(stype)
obj.addStrategy('Multiple', stype, stype, ...)

Input

• stype The strategy type for the selective search segmentation algorithm, one of:
  • Color Color-based strategy.
  • Size Size-based strategy.
  • Texture Texture-based strategy.
  • Fill Fill-based strategy.
  • Multiple Regroup multiple strategies, where all sub-strategies have equal weights.

The classes are implemented from the algorithm described in [uijlings2013selective].