This project is forged to compare two PDFs . IT uses following approach in compression
1 . Extract All text of both pdfs and compare them Page by Page
2. Extract all images from both PDF and save in folders and then compare them one by one and save difference in Difference Folder
3. Convert PDF 1 and 2 pages to JPG and compare them one by one
DUPS can be used to present any set of images depicting a chronological sequence. It creates a set of HTML pages acting as a browser based picture/pdf viewer. The emphasis lies on displaying two pictures side by side enabling the user to compare them.