Historic Document Image De-noising Using Principal Component Analysis (PCA) and Local Pixel Grouping (LPG).
Han-Yang TangAzah Kamilah MudaYun-Huoy ChooNoor Azilah MudaMohd Sanusi AzmiPublished in: ISDA (2016)
Keyphrases
- principal component analysis
- document images
- denoising
- principal components
- document image analysis
- independent component analysis
- dimensionality reduction
- low dimensional
- face recognition
- feature extraction
- face images
- covariance matrix
- document analysis
- image denoising
- document processing
- feature space
- scanned documents
- optical character recognition
- word level
- input image
- ocr systems
- page segmentation
- language identification
- text lines
- printed documents
- linear discriminant analysis
- line extraction
- natural images
- page layout
- document image understanding
- image processing
- edge map
- digital libraries
- scanned document images