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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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. Nowadays the digital images are replacing the traditional photos on photographic paper in all kind of applications: 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:.
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. Those recommendations are used in several countries also for the issuance of driver licenses or residence permits. The present description is a simplified version of the standard and the recommendations and has not the pretension to be exhaustive. The photograph showed below have been published by ICAO.
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.
Position of the subject and background The subject shall not be to close nor to far from the camera: The face has to be centered both vertically and horizontally. The background has to be uniform.
Pose The applicant shall be shown facing square to the camera, not loking over one shoulder portrait 1974-5.
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. Quality of the photograph The portrait shall be in sharp focus from nose to ears, of high quality with no creases or ink marks. If in color, it should show skin tones naturally. Colours 199794-5 lighting The portrait shall be colour neutral showin the applicant with eyes open and clearly visible. Dynamic range of levels in the face area is recommended.
Isso ISO standard donesn’t allow digital alteration of the image to correct the dynamic range or the colours. Hair style and expression No hair shall obscure big areas of the face or the eyes. The applicant shall be looking at the camera with a neutral expression and the month closed.
A smile with closed mouth is permitted. 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.
Eye glasses The portrait shall show the eyes with no light reflection off the glasses and no tinted lenses. If possible, avoid heavy frames. The frames shall not cover any part isso the eyes.
Head coverings Head coverings shall not be accepted except in circumstances which the comptetent State authority specifically approves. Sich circumstances may be religious, medical or cultural. Children States may issue special recommendations for children.
Biometric System Laboratory
In some cases a non neutral expression and closed eyes may be acceptable. In any case the child shall be alone with no other people, chair backs or toys visible.
Skip to main content. 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 Isp coverings Children Position of the subject and background The subject shall not be to close nor to far from the camera: Reflexion on the face.