Enhancement of Images Inside PDF File
Tawfiq A. Al-Asadi, Zaid Abdul Wahid Abod Salih · Journal of University of Babylon for Pure and Applied Sciences · 2015
In this paper, we present a new algorithm to open PDF file and extracting the images for applying enhancement filters .The proposed system consist of three stages, First stage for open PDF file and extract images from it, Second stage apply enhancement filter on extracted image depending on the nature of image, and the Third stage resave the enhancement images in original PDF file without any change in properties of PDF file.