A precise skew estimation algorithm for document images using KNN clustering and fourier transform.
Jonathan FabrizioPublished in: ICIP (2014)
Keyphrases
- fourier transform
- knn
- document images
- estimation algorithm
- k nearest neighbor
- frequency domain
- nearest neighbor
- knn classification
- distance function
- k nearest neighbour
- signal processing
- computationally efficient
- knn algorithm
- radon transform
- support vector machine
- scanned documents
- text lines
- optical character recognition
- maximum likelihood
- distance metric
- text classification
- similarity search
- image processing
- neural network
- discrete fourier transform
- spatial domain
- fast fourier transform
- machine learning
- feature selection
- data points
- text mining