ISO 19794-5 PDF

addition to the normative requirements presented in ISO/IEC , open issue talking over objective metric for human perceived quality vs. metric for. The Part 5 of the ISO/IEC standard, which is mentioned in the ICAO ( International Civil Aviation Organization) recommendations about the travel. As per ISO/IEC Face Image Data standard, there are mainly two types of face images as follows: Basic face image: It specifies face image record format.

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Head coverings Head coverings shall not be accepted except in circumstances which the comptetent State authority specifically approves.

ISO/IEC – Wikipedia

If possible, avoid heavy frames. The database consists of fully compliant images i.

Children States may issue special recommendations for children. The database contains 5, images, gathered from different sources: The rest of images are used for testing. The frames shall not cover any part of the eyes.

Unfortunately, due to the lack of clear specifications and of an appropriate benchmark, comparing the performance of such systems is not easy.

If in color, it should show skin tones naturally. The photograph showed below have been published by ICAO. Images have been reduced in size and compressed. Face is chosen as the primary globally interoperable biometric characteristic for machine jso identity confirmation in Machine Readable Travel Documents MRTD.

Biometric System Laboratory

Evaluation Due to privacy restrictions the database cannot be downloaded. Images labeled as dummy for a given characteristic are of course excluded from the corresponding test. To enable many applications on variety of devices, including devices that have the limited resources required for data storage, and to improve face recognition accuracy, this International Standard specifies not only a data format, but also:. Bibliography Click here if you are interested in any of the publications below.

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Lighting of the applicant and background The lighting shall be uniform with no 19749-5 and no reflections on the face, no red eyes and the background shall not present any remarkable shadow. The head should be 1994-5 so thaht an imaginary horizotal line drawn between the centres of the eyes is parallel to the top edge of the picture. Dynamic range of levels in the face area is recommended.

In some cases a non neutral expression and closed eyes may be acceptable. This type of Face Image Type includes the full head with all hair in most cases, as well as neck and shoulders.

ISO/IEC 19794-5

Reflexion on the face. ISO standards by standard number.

Requirements Starting from the indications provided into the ISO standarda set of 30 tests has been defined to evaluate the accuracy of automatic systems for compliance verification: A precise formalization is here proposed to limit as much as possible the ambiguity.

Some information about the composition of both training and test set are given in the following table where for each characteristic the number of compliant Cnon-compliant NC and dummy D images are reported. A Face Image Type that specifies frontal images with sufficient resolution for human examination as well as reliable computer face recognition.

A smile with closed mouth is permitted. ICAO completed the ISO standard publishing in Documentpart 1, volume 1, examples of acceptable or not acceptable photographs for travel document based on this standard.

The standard is intended to allow computer analysis of face images for automated face identification one-to-many searching and authentication one-to-one matchingas well as human identification of distinctive features such as moles and scars that might be used to verify identity, and human verification of computer identification results.

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The geometric isl are specified as a function of some measures represented in the following figure; Photographic and pose-specific tests: Photograph for ID and travel documents passport, ID card The photographs for ID and travel documents, showing iiso portrait of the holder have a long history of use.

In any case the child shall be alone with no other people, chair backs or toys visible. The present description is a simplified version of the standard and the recommendations and has not the pretension to be exhaustive.

For this isl a training set of images of which 50 are fully compliant has been extracted from the BioLab-ICAO database to be used for parameters setup and training.

Sich circumstances may be religious, medical or cultural. In order to perform balanced tests, the testing set has been further divided into 24 subsets, each related to a specific characteristic.

By using this site, you agree to the Terms of Use and Privacy Policy. The database is supplied with the ground-truth data needed for an objective performance evaluation; in particular the following information is given for each image: Specifications summary Position of the subject and background Pose Quality of the photograph Colors and lighting Hair style and expression Lighting of the applicant and background Eye glasses Head coverings Children Position of the subject and background The subject shall not be to close nor to far from the camera: