Keyphrases
- optimization problems
- data structure
- computationally hard
- difficult problems
- run times
- related problems
- benchmark problems
- approximate solutions
- computational problems
- greedy algorithms
- problems in computer vision
- theoretical analysis
- computational cost
- practical problems
- hard problems
- inference problems
- learning algorithm
- heuristic methods
- combinatorial problems
- test problems
- search methods
- combinatorial optimization
- computational geometry
- specific problems
- times faster
- computational efficiency
- orders of magnitude
- worst case
- significant improvement
- data sets