Rice grain Artificial neural network 1 Classification 1 Combine harvester 1 Combine harvesters 1 Combines 1 Data collection 1 Digital image transformation 1 Feature extraction 1 Grain (agricultural product) 1 Grain loss 1 Harvesters 1 Harvesting 1 Harvesting operations 1 Image classification 1 Malaysia 1 Multi-class SVM 1 Polyvinyl chlorides 1 Preliminary assessment 1 Support vector machine 1