Combined biometrics capture system with ambient free IR
An apparatus for a combined camera system is described herein. The apparatus includes an adjustable infrared (IR) pass filter. A passband of the adjustable infrared (IR) pass filter is electrically adjusted. The apparatus also includes a rolling shutter sensor. An adjustable filter is to implement a global shutter and a rolling shutter sensor global reset.
1. An apparatus for a combined camera system, comprising:
an adjustable pass filter, wherein a passband of the filter is electrically adjusted; and
a rolling shutter sensor, wherein an adjustable filter is to implement a global shutter via adjusting the adjustable pass filter and the rolling shutter sensor, wherein the global shutter exposes an entire scene simultaneously, at the same time.
2. The apparatus of claim 1 , wherein the adjustable pass filter is a tunable IR pass filter.
3. The apparatus of claim 1 , wherein the adjustable pass filter is a liquid crystal filter.
4. The apparatus of claim 3 , wherein the liquid crystal filter comprises a plurality of liquid crystal layers, wherein each layer is to reflect or transmit certain passbands.
5. The apparatus of claim 1 , wherein the adjustable pass filter is an electrochromatic filter.
6. The apparatus of claim 1 , wherein the adjustable pass filter is a Fabry-Perot interferometer (FPI).
7. The apparatus of claim 6 , wherein the Fabry-Perot interferometer (FPI) changes the passband as a function of excitation of an actuator.
8. The apparatus of claim 6 , wherein the Fabry-Perot interferometer (FPI) is a micro-electro-mechanical (MEMS) Fabry-Perot interferometer (FPI).
9. The apparatus of claim 6 , wherein the Fabry-Perot interferometer (FPI) is a piezo-actuated Fabry-Perot interferometer (FPI).
10. The apparatus of claim 1 , comprising an IR filter, wherein the IR filter is to provide a sharp cutoff band to refine the adjustable passband of the adjustable pass filter.
11. The apparatus of claim 1 , wherein the adjustable pass filter is adjusted for a passband that corresponds to a biometric recognition application.
12. The apparatus of claim 1 , wherein the adjustable IR pass filter is adjusted for a passband that corresponds to a face recognition, iris scan, or eye gaze application on the fly.
13. A method for implementing a combined IR capture system, comprising:
determining a passband that corresponds to a biometric capture application;
adjusting a voltage and frequency of an adjustable pass filter in response to the capture application and associated passband; and
in response to a face recognition capture application, implementing a global shutter system via a rolling shutter sensor, wherein the global shutter system exposes an entire scene simultaneously, at the same time.
14. The method of claim 13 , wherein the biometric capture application is one of a face recognition, iris scan, or eye gaze application.
15. The method of claim 13 , wherein a second filter is to refine the passband via a plurality of stopbands.
16. The method of claim 13 , wherein the adjustable pass filter is a liquid crystal filter.
17. The method of claim 16 , wherein the liquid crystal filter comprises a plurality of liquid crystal layers, wherein each layer is to reflect or transmit particular passbands.
18. The method of claim 13 , wherein the adjustable pass filter is an electrochromatic filter.
19. The method of claim 13 , wherein the adjustable pass filter is a Fabry-Perot interferometer (FPI).
20. A system for a combined IR capture system, comprising:
a display;
a camera;
a memory that is to store instructions and that is communicatively coupled to the camera and the display; and
a processor communicatively coupled to the camera, the display, and the memory, wherein when the processor is to execute the instructions, the processor is to:
determine a passband that corresponds to a biometric capture application;
adjust a voltage and frequency of an adjustable pass filter in response to the capture application and associated passband; and
in response to a face recognition capture application, implement a global shutter system via a rolling shutter sensor, wherein the global shutter exposes an entire scene simultaneously, at the same time.
21. The system of claim 20 , wherein the biometric capture application is one of a face recognition, iris scan, or eye gaze application.
22. The system of claim 20 , wherein a second filter is to refine the passband via a plurality of stopbands.
23. A tangible, non-transitory, computer-readable medium comprising instructions that, when executed by a processor, direct the processor to:
determine a passband that corresponds to a biometric capture application;
adjust a voltage and frequency of an adjustable pass filter in response to the capture application and associated passband; and
in response to a face recognition capture application, implement a global shutter system via a rolling shutter sensor, wherein the global shutter exposes an entire scene simultaneously, at the same time.
24. The computer readable medium of claim 23 , wherein the adjustable pass filter is a micro-electro-mechanical (MEMS) Fabry-Perot interferometer (FPI).
25. The computer readable medium of claim 23 , wherein the adjustable pass filter is a piezo-actuated Fabry-Perot interferometer (FPI).