ANSI INCITS 379 : 2004
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
INFORMATION TECHNOLOGY - IRIS IMAGE INTERCHANGE FORMAT
Hardcopy , PDF
23-07-2013
English
01-01-2004
Foreword
Introduction
1 Scope
2 Conformance
3 Normative references
4 Terms, definitions, symbols, units and abbreviated terms
5 Iris image format specification
5.1 General
5.2 Image compression
5.3 Image pre-processing
5.4 Iris image data record
5.5 Iris header structures
5.6 Data values in CBEFF header
Describes two alternative image interchange formats for biometric authentication systems that utilize iris recognition. The first is based on a rectilinear image storage format that may be a raw, uncompressed array of intensity values or a compressed format such as that specified by the JPEG standard. Images may be monochrome or color with 256 or more intensity levels (grey or per-color), and vary in size depending on field of view and compression. Typical size is 25-30 Kbytes for JPEG format. The second format is based on a polar image specification that requires certain pre-processing and image segmentation steps, but produces a much more compact data structure that contains only iris information. The record size can be as small as 2 Kbytes. The polar image may be either raw or compressed format.
Committee |
M1
|
DocumentType |
Standard
|
Pages |
37
|
PublisherName |
Information Technology Industry Council
|
Status |
Withdrawn
|
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