Ridgelet-DTW-based word spotting for Arabic historical document

Restoration based Contourlet Transform for historical document image binarization

“…It is implemented in the preprocessing stage and it aims to discriminate the foreground text from the background document. Indeed, an efficient and fast binarization allows facilitating and applying the processing in a document image such as optical character recogmtlOn (OCR), intelligent character recognition (TCR), optical shape recognition (OSR) and, word spotting system [1,2].…”