Imaging apparatus
First Claim
1. A facial feature imaging apparatus comprising:
- a camera apparatus operable to capture an image of one or more facial features of a user, light reflected from said facial features traveling along an optical path from said facial features to image capturing means within said camera apparatus;
a visible light reflector disposed, in use, across said optical path, and such that the user can see his reflection therein, which reflection gives a positive visual indication to the user that he is within a preferred range of distances from the camera for capturing said image;
wherein said reflector comprises a non-planar reflector, the surface of which is shaped so as to present said positive visual identification.
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Abstract
An imaging apparatus suitable for capturing a image of one or more of a user'"'"'s facial features is disclosed. The apparatus includes a spherical cold mirror which presents a concave surface to the user and is disposed between the user and the camera. The user is able to conclude that he is close enough to the camera for successful image capture when the reflection he sees in the mirror is the right way up. In a preferred embodiment, markings are provided on the front surface of the mirror to aid the user in placing his eye within a predetermined range of distances from the camera. The imaging apparatus is suitable for use in iris recognition apparatuses and provides a relatively inexpensive alternative to known apparatuses.
75 Citations
10 Claims
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1. A facial feature imaging apparatus comprising:
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a camera apparatus operable to capture an image of one or more facial features of a user, light reflected from said facial features traveling along an optical path from said facial features to image capturing means within said camera apparatus;
a visible light reflector disposed, in use, across said optical path, and such that the user can see his reflection therein, which reflection gives a positive visual indication to the user that he is within a preferred range of distances from the camera for capturing said image;
wherein said reflector comprises a non-planar reflector, the surface of which is shaped so as to present said positive visual identification. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification