Image Guidelines

FACEKI Image recommendation

Poor image quality may result in errors. Therefore, to reduce errors, note the following:

• Motion blur effect can significantly increase BPCER (Bona Fide Presentation Classification Error Rate) or the rate of errors classifying a live person as a spoof.

• Fish-eye lenses are not supported by FACEKI.

• FACEKI does not accept any fade, blur, not clear face image, two persons in a photo, stretch dimensions, or filtered pictures.

• Texture filtering can significantly increase APCER (Attack Presentation Classification Error Rate) or the errors of allowing impostors through.

• Spotlights on the faces and nearest surroundings can significantly increase BPCER.

• Ill-lighted environment and colored lights can significantly increase BPCER.

• Appropriate distance is required to capture the face image to comply with the requirements below. Please ensure that inter-pupillary distance, face size, and recommended face proportion on the image are preserved.

• The face should have proper lighting and should fit in the oval with a proper ratio and dimensions.

• FACEKI does not recognize small-dimension images.

Correct Sample

Selfie Valid Sample

Oval with a proper ratio and dimensions

Invalid Sample

Selfie Invalid Sample

Card Images Guidelines:

Please find the reference samples below:

Make sure your hand is not covering details

Avoid light reflection on the card

Picture must be clear, in focus and not blurry

Should show all details

Correct Sample:

Find an area with good lighting

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