![]() Ultimately this results in dramatically reduced file sizes. The background and foreground images are compressed using an algorithm named IW44 with the mask image compressed using JB2. ![]() DjVu files are typically seperated into three images - the background and foreground (around 100 dpi) and the mask image which is higher resolution (e.g. ![]() It promises smaller files sizes than standard PDF's and is therefore perceived to be superior to PDF's primarily due to it's higher compression ratio. There are a whole host of DjVu viewers, browser plugins, encoders and decoders available on both Mac and Windows.ĭjVu was initially developed by Yann LeCun, L�on Bottou, Patrick Haffner, and Paul G. It allows for scanned documents, photographs and very high resolution images to be distributed via the internet. DjVu was initially developed by AT&T and is used as an image compression technology that is an open sourced alternative to PDF.
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