Research on Recognition Method of Test Answer Sheet Based on Machine Vision.
Ping CuiDan LiKailiang ZhangLikai WangWeiwei LiuPublished in: SimuTools (2) (2020)
Keyphrases
- machine vision
- high accuracy
- character recognition
- preprocessing
- pattern recognition
- significant improvement
- vision system
- test data
- high precision
- recognition accuracy
- clustering method
- detection method
- segmentation method
- recognition process
- neural network
- recognition algorithm
- image matching
- computational cost
- dynamic programming
- objective function
- similarity measure
- image processing