Skewness correction and quality evaluation of plug seedling images based on Canny operator and Hough transform.
Junhua TongHufeng ShiChuanyu WuHuanyu JiangTaiwei YangPublished in: Comput. Electron. Agric. (2018)
Keyphrases
- hough transform
- quality evaluation
- hough space
- circle detection
- straight line
- edge points
- edge detection
- voting method
- line extraction
- image data
- linear features
- line detection
- input image
- raster images
- image classification
- test images
- road signs
- quality metrics
- vertical lines
- image processing
- segmentation algorithm
- image features
- evaluation model
- vanishing points
- human perception
- edge detector
- line segments
- line fitting
- feature points
- image retrieval
- neural network