The spelling of the word "djvu" can be confusing at first glance. However, its pronunciation is quite simple when broken down using IPA phonetic transcription. This word is pronounced as /deɪʒəˈvuː/. The "d" and "j" sounds are blended together as one syllable, followed by a stressed "u" sound and another unstressed "u" sound. This word refers to a computer file format commonly used for storing scanned documents and books. Despite its unusual spelling, "djvu" has become a widely recognized term in the tech industry.
DJVU is a file format primarily used for storing scanned documents and images with high compression efficiency. It is an open-source format designed specifically for the purpose of distributing and archiving documents in digital form. The term DJVU itself stands for "Déjà Vu" – a French phrase meaning "already seen", as the format aims to replicate the appearance and layout of the original document.
The DJVU format employs various compression techniques to minimize file size while retaining remarkable image quality. It utilizes a wavelet-based compression method, which splits the document into layers of different resolutions. This allows for efficient retention of text, graphics, and images with reduced storage requirements. The format also supports progressive loading, enabling users to access low-resolution versions of the document quickly, before the higher resolution is loaded.
One of the notable advantages of DJVU is its ability to preserve text and image details, making it particularly suitable for scanned documents with complex layouts. Furthermore, it supports searchable text extraction, allowing users to search for specific words within the document. DJVU files can be viewed using numerous software applications across different platforms, including Windows, macOS, and Linux.
Overall, DJVU is a versatile file format known for its high compression efficiency and ability to store high-quality scanned documents while maintaining a small file size.
The word "DjVu" is derived from the French expression "déjà vu", which translates to "already seen". The term was coined by Yann Le Cun, a computer scientist who is known for his work in artificial intelligence and digital image processing. The concept behind the naming of DjVu is that it allows users to experience the feeling of "already seen" because the technology allows for high-quality compression of scanned documents and images.