Tropical timber Bending performance 1 Bending strength 1 Feature extraction 1 Four-point bending test 1 Hardwoods 1 Image classification 1 Knot 1 Laminated veneer Lumber (LVL) 1 Laminated veneer lumber 1 Loading direction 1 Optimal solution 1 Particle swarm optimization 1 Softwood timber 1 Support vector machine 1 Swarm intelligence 1 Timber 1 Timber component 1 Timber industry 1 Tropical hardwood 1 Tropics 1 Wood polymer composite 1 edgewise direction 1 grain direction 1 tropical timber 1