DjVu
E816903
DjVu is a digital document format designed for efficiently storing and viewing scanned documents, especially those containing a mix of text, line drawings, and photographs, with high compression and fast web viewing.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | document file format ⓘ |
| advantageOverPDF |
faster page rendering over slow networks
ⓘ
smaller file size for scanned documents ⓘ |
| canEmbed | text layer separate from image layer ⓘ |
| comparedTo | PDF NERFINISHED ⓘ |
| compressionTechnique |
IW44 wavelet compression
ⓘ
JB2 bi-level image compression ⓘ wavelet-based compression ⓘ |
| containerFormat |
multi-page documents
ⓘ
single-page images ⓘ |
| designedFor | efficient web distribution of scanned documents ⓘ |
| developedBy | AT&T Labs NERFINISHED ⓘ |
| fileExtension |
.djv
ⓘ
.djvu ⓘ |
| keyFeature |
fast web viewing
ⓘ
high compression ratio ⓘ progressive loading ⓘ separation of text and background layers ⓘ |
| licenseStatus | format specification publicly available ⓘ |
| mimeType | image/vnd.djvu ⓘ |
| openSourceImplementation | DjVuLibre NERFINISHED ⓘ |
| optimizedFor |
documents with mixed text and images
ⓘ
line drawings ⓘ photographs ⓘ scanned documents ⓘ |
| originalDevelopers |
Léon Bottou
NERFINISHED
ⓘ
Patrick Haffner NERFINISHED ⓘ Paul G. Howard NERFINISHED ⓘ Yann LeCun NERFINISHED ⓘ |
| releaseDate | 1996 ⓘ |
| standardizedBy | Internet Assigned Numbers Authority NERFINISHED ⓘ |
| stores |
background layer
ⓘ
foreground layer ⓘ mask layer ⓘ |
| supports |
OCR text layer
ⓘ
bi-level images ⓘ color images ⓘ grayscale images ⓘ hyperlinks ⓘ metadata ⓘ searchable text ⓘ |
| typicalUseCase |
digitized books
ⓘ
historical document archives ⓘ scientific articles ⓘ technical manuals ⓘ |
| viewersAvailableOn |
Android
NERFINISHED
ⓘ
Linux NERFINISHED ⓘ Windows NERFINISHED ⓘ macOS NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.