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Methods with Losses: Mixed Raster Content (MRC) Compression

December 20, 2019

Previously in our PDF Optimization In-depth Series: 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content 3. Lossless Methods: Compression of Streams and Fonts 4. Methods with Losses: JPEG 2000 and JBIG2 5. Methods with losses: resizing, color detection, and other techniques MRC compression in PDF documents […]

Methods with losses: resizing, color detection, and other techniques.

December 6, 2019

Previously in the PDf Optimization In-depth Series. 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content 3. Lossless Methods: Compression of Streams and Fonts 4. Methods with Losses: JPEG 2000 and JBIG2 Resizing images Resizing images can provide significant gains in occupancy. For example, decreasing unnecessary high […]

Methods with Losses: JPEG2000 and JBIG2

November 29, 2019

Previously published in the PDf Optimization In-depth Series: 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content 3. Lossless Methods: Compression of Streams and Fonts Sometimes, when acceptable or necessary, it may be interesting to recompress images already included in an existing PDF file to reduce the […]

Lossless Methods: Compression of Streams and Fonts

October 22, 2019

Here are the links for the two previous articles of the series: 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content A PDF document is composed of various data structures, described as different objects. In the scope of optimization, one is particularly important: the stream object. This […]

Lossless Methods: Optimization of Document Content

October 17, 2019

The first article of our PDF Optimization In-depth Series is available here. The PDF format is interactive.  During the release cycle of a PDF document, different people will use tools such as forms, annotations, attachments, and more. Archived PDF documents generally do not have the same use as those in circulation in a collaborative context. […]