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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It requires less detail, which makes it suitable for less demanding applications. Modern biometric passport photos should comply with this standard. A smile with closed mouth is permitted. The photographs for travel documents usually needs to be recent – not older than 6 months – if submitted as a print, it should be on high quality paper with high resolution.
A precise formalization is here proposed to limit as much as possible the 1979-5. Face is chosen as the primary globally interoperable biometric characteristic for machine assisted identity confirmation in Machine Readable Travel Documents MRTD.
Position of the subject and background The subject shall not be to close nor to far from the camera: The photograph showed below have been published by ICAO. The use of face as a biometric identifier has some drawbacks: 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. Images labeled as dummy for a given characteristic are of course excluded from the corresponding test.
Biometric System Laboratory
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:.
Database An ad hoc database has been created using, where possible, public databases and acquiring additional images to cover the missing defects.
1979-45 in color, it should show skin tones naturally. Children States may issue special recommendations for children. The database contains 5, images, gathered from different sources: Bibliography Click here if you are interested in any of the publications below.
Nowadays the digital images are replacing the traditional photos on photographic paper in all kind of applications: The applicant shall be looking at the camera with a neutral expression and the month closed.
For this reason 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. All the remaining Face Image Types inherit iwo properties of this type. Skip to main content. Some information about the composition of both training 1994-5 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.
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: Photograph for ID and travel documents passport, ID card The photographs for ID and travel documents, showing the portrait 197945- the holder have a long history of use.
Lighting 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. This image type is suitable for lso storage of the face information, and it is applicable to ID portraits for passportdriver’s licenseand mug shot images.
ISO/IEC | Correlance
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. A Face Image Type that specifies frontal images with sufficient resolution for human examination as well as reliable computer face recognition.
The geometric requirements are specified as a function of some measures represented in the following figure; Photographic and pose-specific tests: For teststhe number of images n i included in the subset related to 1994-5 characteristic i is: No mandatory scene, photographic and digital requirements are specified for this image type.
This page was last edited on 18 Februaryat In order to perform balanced tests, the testing set has been further divided into 24 subsets, each related to a specific characteristic. ISO standards by standard number.
Dynamic range of levels in the face area is recommended. In any case the child shall be alone with no other people, chair backs or toys visible. Hair style and expression No hair shall obscure big areas of the face or the eyes. Views Read Edit View history. Two variants of the Frontal Face Image Type are defined: The background has to be uniform. The present description is a simplified version of the standard and the recommendations and has not the pretension to be exhaustive.
Images have been reduced in size and compressed.