A New Efficient Edge Extraction Algorithm for Images Using Directional Tracing Techniques.
S. S. IyengarVir V. PhohaYuyan WuHla MinPublished in: Intell. Autom. Soft Comput. (2002)
Keyphrases
- synthetic and real images
- segmentation algorithm
- computationally efficient
- image processing algorithms
- region of interest
- thresholding algorithm
- segmentation method
- image set
- object recognition
- image analysis
- image matching
- gradient vectors
- test images
- detection algorithm
- expectation maximization
- objective function
- input image
- image features
- computational complexity
- learning algorithm
- matching process
- recognition algorithm
- dynamic programming
- matching algorithm
- k means
- image data
- ground truth
- image registration
- preprocessing stage
- image processing
- digitized images
- image database
- np hard
- feature points
- similarity measure
- gaussian noise
- gray value