Z-dimension user feedback biometric system

• US 10,607,096 B2
• Filed: 04/03/2018
• Issued: 03/31/2020
• Est. Priority Date: 04/04/2017
• Status: Active Grant

• Current Assignee: Princeton Identity Inc.
• Original Assignee: Princeton Identity Inc.
• Inventors: Mapen, Barry E., Green, John Timothy, Richards, Kevin, Santini, Jr., John Amedeo
• Primary Examiner(s): Patel, Jayesh A
• Application Number:
  US15/944,327
• Publication Number:
  US 20180285669A1
• Time in Patent Office: 728 Days
• Field of Search: None
• CPC Class Codes: G06V 40/19 Sensors therefor
• CPC Class Codes: G06V 40/67 by interactive indications to the user

Abstract

Embodiments of a Z-dimension user-feedback biometric system are provided. In some embodiments, a camera captures subject images positioned along a plurality of Z-dimension positions, including a normal subject image for a mid-range of a capture volume and one or both of the following: (a) a close subject image for a front of the capture volume and (b) a far subject image for a back of the capture volume. In some embodiments, a processing element can be configured to create a normal display image, as well as a close display image (with a first exaggerated quality) and/or a far display image (with a second exaggerated quality). In some embodiments, the first exaggerated quality can be a positive exaggeration of a quality and the second exaggerated quality can be a negative exaggeration of the quality.

Claims

1. A Z-dimension user-feedback biometric system for facilitating multidimensional alignment of an image having an iris of a subject, the system comprising:

a camera for capturing at least one image of a subject positioned along a plurality of Z-dimension positions in a capture volume of the camera, the Z-dimension positions in the capture volume including a close subject image Z-position at a front of the capture volume, a far subject image Z-position at a back of the capture volume, and a normal subject image Z-position at a mid-range of the capture volume, the mid-range of the capture volume being between the front and the back of the capture volume;

a display for providing a display image of the subject in the capture volume prior to capturing the at least one image of the subject with the camera; and

a processing element for altering the display image of the subject in the display by increasing or decreasing a level of an exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position or the far subject image Z-position respectively.

2. The Z-dimension user-feedback biometric system of claim 1, wherein the processing element dynamically alters the display image with the increased or decreased level of the exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position or the far subject image Z-position respectively.

3. The Z-dimension user-feedback biometric system of claim 1, wherein the display displays the altered display image with the exaggerated quality as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position or the far subject image Z-position.

4. The Z-dimension user-feedback biometric system of claim 1, wherein the display displays the display image with an unexaggerated quality or a nominal exaggerated quality when the subject is in the normal subject image Z-position.

5. The Z-dimension user-feedback biometric system of claim 1, wherein the processing element alters the display image by gradually increasing the level of the exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position.

6. The Z-dimension user-feedback biometric system of claim 1, wherein the processing element alters the display image by gradually decreasing the level of the exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the far subject image Z-position.

7. The Z-dimension user-feedback biometric system of claim 1, wherein the processing element alters a rendering of the display image in the display by increasing or decreasing the level of the exaggerated quality in the display image.

8. The Z-dimension user-feedback biometric system of claim 1, wherein the increase in the level of the exaggerated quality includes an exaggerated brightness of the display image and the decrease in the level of the exaggerated quality includes an exaggerated darkness of the display image.

9. The Z-dimension user-feedback biometric system of claim 1, wherein the increase in the level of the exaggerated quality includes an exaggerated nearness to the camera of the subject displayed in the display image and the decrease in the level of the exaggerated quality includes an exaggerated farness from the camera of the subject displayed in the display image.

10. The Z-dimension user-feedback biometric system of claim 1, wherein increasing or decreasing the level of the exaggerated quality includes an increase or decrease in the level of at least one of color saturation, exaggerated hue, tint, contrast, focus, image size, and false colorization, as displayed in the display image.

11. The Z-dimension user-feedback biometric system of claim 1, wherein the processing element uses at least one of a range finder, a depth sensor, a bream break, and a pressure sensitive floor pad to determine the Z-dimension position of the subject in the capture volume.

12. The Z-dimension user-feedback biometric system of claim 1, wherein the processing element evaluates at least one of pixel size and an iris-to-iris distance quantity to determine the Z-dimension position of the subject in the capture volume.

13. The Z-dimension user-feedback biometric system of claim 12, wherein the iris-to-iris distance quantity is a value representative of a distance between a first iris of a face and a second iris of the face.

14. The Z-dimension user-feedback biometric system of claim 1, wherein the at least one camera includes a plurality of cameras, and wherein the processing element determines whether the display image is a normal display image associated with the normal subject image Z-position, a close subject image associated with the close subject image Z-position, or a far subject image associated with the far subject image Z-position by evaluating a parallax between the plurality of cameras.

15. A method of providing Z-dimension user-feedback for a biometric system to facilitate multidimensional alignment of an image having an iris of a subject, the method comprising:

capturing with a camera at least one image of a subject positioned along a plurality of Z-dimension positions in a capture volume of the camera, the Z-dimension positions in the capture volume including a close subject image Z-position at a front of the capture volume, a far subject image Z-position at a back of the capture volume, and a normal subject image Z-position at a mid-range of the capture volume, the mid-range of the capture volume being between the front and back of the capture volume;

providing a display image of the subject in the capture volume at a display prior to capturing the at least one image of the subject with the camera; and

altering the display image of the subject in the display with a processing element by increasing or decreasing a level of an exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position or the far subject image Z-position respectively.

16. The method of claim 15, wherein the processing element dynamically alters the display image with the increased or decreased level of the exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position or the far subject image Z-position respectively.

17. The method of claim 15, wherein the display displays the altered display image with the exaggerated quality as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position or the far subject image Z-position.

18. The method of claim 15, wherein the processing element alters the display image by gradually increasing the level of the exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position.

19. A non-transitory computer-readable medium storing instructions for a Z-dimension user-feedback biometric system for facilitating multidimensional alignment of an image having an iris of a subject, the instructions being executable by a processing device, wherein execution of the instructions by the processing device causes the processing device to:

capture with a camera at least one image of a subject positioned along a plurality of Z-dimension positions in a capture volume of the camera, the Z-dimension positions in the capture volume including a close subject image Z-position at a front of the capture volume, a far subject image Z-position at a back of the capture volume, and a normal subject image Z-position at a mid-range of the capture volume, the mid-range of the capture volume being between the front and back of the capture volume;

provide a display image of the subject in the capture volume at a display prior to capturing the at least one image of the subject with the camera; and

alter the display image of the subject in the display with a processing element by increasing or decreasing a level of an exaggerated quality in the display image as the Z-dimension position of the subject in the capture volume changes from the normal subject image Z-position towards the close subject image Z-position or the far subject image Z-position respectively.

20. The non-transitory computer-readable medium of claim 19, wherein increasing or decreasing the level of the exaggerated quality includes an increase or decrease in the level of at least one of brightness/darkness, nearness/farness, color saturation, hue, tint, contrast, focus, image size, and false colorization, as displayed in the display image.