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A strip (or band) is a subsection of the image composed of one or more rows. Strips ДЄ baseline TIFF image is composed of one or more strips. A Baseline TIFF reader is not required to read any IFD beyond the first one. One use of subfiles is to describe related images, such as the pages of a facsimile document.

There may be more than one Image File Directory (IFD) in a TIFF file. TIFF readers must be prepared for multiple/multi-page images (subfiles) per TIFF file, although they are not required to actually do anything with images after the first one. The following is an incomplete list of required Baseline TIFF features: Multiple subfiles Baseline TIFF is formally known as TIFF 6.0, Part 1: Baseline TIFF. Among other things, Baseline TIFF does not include layers, or compressed JPEG or LZW images. To avoid these problems, every TIFF reader was required to read Baseline TIFF. The flexibility in encoding gave rise to the joke that TIFF stands for Thousands of Incompatible File Formats. When TIFF was introduced, its extensibility provoked compatibility problems.

Introduction (contains information about TIFF Administration, usage of Private fields and values, etc.).

The TIFF 6.0 specification consists of the following parts: Use of this option was limited by patents on the LZW technique until their expiration in 2004. TIFF offers the option of using LZW compression, a lossless data-compression technique for reducing a file's size. This is not the case when using the TIFF as a container holding compressed JPEG. The ability to store image data in a lossless format makes a TIFF file a useful image archive, because, unlike standard JPEG files, a TIFF file using lossless compression (or none) may be edited and re-saved without losing image quality. A TIFF file also can include a vector-based clipping path (outlines, croppings, image frames). A TIFF file, for example, can be a container holding JPEG (lossy) and PackBits (lossless) compressed images. TIFF is a flexible, adaptable file format for handling images and data within a single file, by including the header tags (size, definition, image-data arrangement, applied image compression) defining the image's geometry. In October 1988 Revision 5.0 was released and it added support for palette color images and LZW compression. In April 1987 Revision 4.0 was released and it contained mostly minor enhancements.

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It was published after a series of meetings with various scanner manufacturers and software developers. The first version of the TIFF specification was published by the Aldus Corporation in the autumn of 1986 after two major earlier draft releases. Today, TIFF, along with JPEG and PNG, is a popular format for deep-color images. As scanners became more powerful, and as desktop computer disk space became more plentiful, TIFF grew to accommodate grayscale images, then color images. In the beginning, TIFF was only a binary image format (only two possible values for each pixel), because that was all that desktop scanners could handle. TIFF was created as an attempt to get desktop scanner vendors of the mid-1980s to agree on a common scanned image file format, in place of a multitude of proprietary formats. Several Aldus or Adobe technical notes have been published with minor extensions to the format, and several specifications have been based on TIFF 6.0, including TIFF/EP (ISO 12234-2), TIFF/IT (ISO 12639), TIFF-F (RFC 2306) and TIFF-FX (RFC 3949). It published the latest version 6.0 in 1992, subsequently updated with an Adobe Systems copyright after the latter acquired Aldus in 1994. The format was created by the Aldus Corporation for use in desktop publishing. TIFF is widely supported by scanning, faxing, word processing, optical character recognition, image manipulation, desktop publishing, and page-layout applications. Tag Image File Format, abbreviated TIFF or TIF, is a image file format for storing raster graphics images, popular among graphic artists, the publishing industry, and photographers. TIFF Supplement 2 / 22В March 2002 19 years ago ( ))Д®xif, DCF, TIFF/EP, TIFF/IT, TIFF-FX, GeoTIFF

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