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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The dummy value is used for the cases of uncertainty e. The background has to be sio. Head coverings Head coverings shall not be accepted except in circumstances which the comptetent State authority specifically approves. Specifications summary Position of the subject and background Pose Quality of the photograph Colors and lighting Hair style and expression Lighting of the applicant 17994-5 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: This page was last edited on 18 Februaryat The standard is intended to allow computer analysis of face images for automated face identification one-to-many 91794-5 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.

The use of face as a biometric identifier has some drawbacks: Lso, due to the lack of clear specifications and of an appropriate benchmark, comparing the performance of such systems is not easy. It requires less detail, which makes it suitable for less demanding applications.

If in color, it 1974-5 show skin tones naturally. The photograph showed below have been published by ICAO. Four face image types are introduced to define categories that satisfy the needs of different applications, and the requirements above are specified for each image type:.

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Images labeled as dummy for a given characteristic are of course excluded from the corresponding test. Izo of the applicant and background The lighting shall be uniform with no shadows and no reflections on the face, no red eyes and the background shall not present any remarkable shadow. 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: The rest of images are used for testing.

Children States may issue special recommendations for children. Those recommendations are used in several countries also for the issuance of driver licenses or residence permits. Colours and lighting The portrait shall be colour neutral showin the applicant with eyes open and clearly visible.

ISO/IEC 19794-5

The database consists of fully compliant images i. Retrieved from ” https: All the remaining Face Image Types inherit the properties of this type. Two variants of the Frontal Face Image Type are defined: Skip to main content. If possible, avoid heavy frames.

From Wikipedia, the free encyclopedia. By using izo site, you agree to the Terms of Use and Privacy Policy. The applicant shall be looking at the camera with a neutral expression and the month closed.

Modern biometric passport photos should comply with this standard. Photograph for ID and travel documents passport, ID card The photographs for ID and travel documents, showing the portrait of the holder have a long history of use. ISO standards by standard number. In order to perform balanced tests, the testing set has been further divided into 24 subsets, each related to a specific characteristic.

Views Read Edit View history. The tests can be organized into three categories: Pose The applicant shall be shown facing square to the camera, not loking over one shoulder portrait style. 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: Face is chosen as the primary globally interoperable biometric characteristic for machine assisted identity confirmation in Machine Readable Travel Documents MRTD.

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The head should be upright so thaht an imaginary horizotal line drawn between the centres of the eyes is parallel to the top edge of the picture.

ISO/IEC – Wikipedia

Sich circumstances may be religious, medical or cultural. Bibliography Click here if you are interested in any of the publications below. Testing Protocol The algorithms for compliance verification are usually characterized by a set of parameters that need to be tuned according to the kind of images the algorithm has to process.

A precise formalization is here proposed to limit as much as possible the ambiguity. Reflexion on the face.

For teststhe number of images n i included in the subset related to oso characteristic i is: A smile with closed mouth is permitted. The geometric requirements are specified as a function of some measures represented in the following figure; Photographic and pose-specific tests: The frames shall not cover any part of the eyes.

Four face image types are introduced to define categories that satisfy the needs of different applications, ieo the requirements above are specified for each image type: Images have been reduced in size and compressed. In some cases a non neutral expression and closed eyes may be acceptable.

Hair style and expression No hair shall obscure big areas of the face or the eyes.

No mandatory scene, photographic and digital requirements are specified for this image type. Evaluation Due to privacy restrictions the database cannot be downloaded. The database contains 5, images, gathered from different sources: