Multimodal biometric authentication system and method with photoplethysmography (ppg) bulk absorption biometric

Patent metadata

Field	Value
Publication number	US-2017193208-A1
Application number	US-201514985296-A
Country	US
Kind code	A1
Filing date	Dec 30, 2015
Priority date	Dec 30, 2015
Publication date	Jul 6, 2017
Grant date	—

Abstract

A multimodal biometric authentication system utilizes a bulk absorption characteristic of human tissue that is measurable using a photoplethysmography (PPG) sensor. One disclosed method of operation includes extracting bulk absorption features from biometric data obtained using a PPG sensor and generating a first biometric template. Additional biometric features are also extracted from biometric data obtained using a second biometric sensor and a second biometric template is also generated. An authentication output signal is provided in response to the first biometric template matching a first stored corresponding enrolled biometric template and the second biometric template matching a second stored corresponding enrolled biometric template.

First claim

What is claimed is:

1 . A wearable device comprising:
a photoplethysmography (PPG) sensor; a second biometric sensor; a transceiver; a controller, operatively coupled to the PPG sensor, to the second biometric sensor, and to the transceiver, the controller operative to:
obtain biometric data collected using the PPG sensor and using the second biometric sensor; and
send the biometric data obtained using the PPG sensor and using the second biometric sensor to a second device over a wireless link using the transceiver.

2 . A multimodal biometric authentication system comprising the wearable device of claim 1 , and further comprising:
a mobile device wherein the mobile device is the second device, the mobile device comprising:
a transceiver;
a controller, operatively coupled to the transceiver;
non-volatile, non-transitory memory, containing at least two enrolled biometric templates, a first enrolled biometric template related to a bulk absorption biometric and a second enrolled biometric template related to a biometric measurable by the second biometric sensor in the wearable device;
data processing logic, operatively coupled to the controller, the data processing logic operative to:
extract bulk absorption features from biometric data obtained using the PPG sensor in the wearable device and generate a first biometric template;
extract biometric features from biometric data obtained using the second biometric sensor in the wearable device and generate a second biometric template; and
provide an authentication output signal in response to the first biometric template matching the first enrolled biometric template and the second biometric template matching the second enrolled biometric template.

3 . The wearable device of claim 1 , wherein the second biometric sensor is a biometric sensor selected from the group consisting of: a second PPG sensor operative in a second spectral range different from the other PPG sensor, a microphone, a fingerprint sensor, a palm reader, and an iris scanner.

4 . A method comprising:
obtaining biometric data collected using a PPG sensor and using the second biometric sensor, both the PPG sensor and the second biometric sensor in a wearable device; and sending the biometric data obtained using the PPG sensor and using the second biometric sensor to a second device over a wireless link using a transceiver in the wearable device.

5 . The method of claim 4 , further comprising:
receiving the biometric data by a mobile device; extracting bulk absorption features from biometric data obtained using the PPG sensor in the wearable device and generating a first biometric template; extracting biometric features from biometric data obtained using the second biometric sensor in the wearable device and generating a second biometric template; and providing an authentication output signal in response to the first biometric template matching a first enrolled biometric template and the second biometric template matching a second enrolled biometric template.

6 . A method comprising:
sending biometric data obtained using the PPG sensor and using a second biometric sensor from a first device to a second device over a wireless link; extracting bulk absorption features in the second device, from the biometric data obtained using a PPG sensor in the first device and generating a first biometric template in the second device; extracting biometric features in the second device, from the biometric data obtained using a second biometric sensor in the first device and generating a second biometric template in the second device; and providing an authentication output signal in response to the first biometric template matching a first enrolled biometric template stored in the second device and the second biometric template matching a second enrolled biometric template stored in the second device.

7 . A wearable device comprising:
a photoplethysmography (PPG) sensor; a second biometric sensor; a transceiver; data processing logic, operatively coupled to the PPG sensor and to the second biometric sensor, the data processing logic operative to:
extract bulk absorption features from biometric data obtained using the PPG sensor and generate a first biometric template; and
extract biometric features from biometric data obtained using the second biometric sensor and generate a second biometric template;
a controller, operatively coupled to the data processing logic, and to the transceiver, the controller operative to:
send the first biometric template and the second biometric template to a second device over a wireless link using the transceiver.

8 . A multimodal biometric authentication system comprising the wearable device of claim 7 , and further comprising:
a mobile device wherein the mobile device is the second device, the mobile device comprising:
a transceiver;
non-volatile, non-transitory memory, containing at least two enrolled biometric templates, a first enrolled biometric template related to a bulk absorption biometric and a second enrolled biometric template related to a biometric measurable by the second biometric sensor in the wearable device; and
a controller, operatively coupled to the transceiver and to the memory, the controller operative to provide an authentication output signal in response to the first biometric template matching the first enrolled biometric template and the second biometric template matching the second enrolled biometric template.

9 . The multimodal biometric authentication system of claim 8 , wherein the controller is further operative to:
send the authentication output signal over a wireless link using the transceiver in the mobile device.

10 . A method comprising:
extracting bulk absorption features from biometric data obtained using a PPG sensor in a first device and generating a first biometric template in the first device; extracting biometric features from biometric data obtained using a second biometric sensor in the first device and generating a second biometric template in the first device; and sending the first biometric template and the second biometric template from the first device to a second device over a wireless link.

11 . The method of claim 10 , further comprising:
providing an authentication output signal in response to the first biometric template matching a first enrolled biometric template stored in the second device and the second biometric template matching a second enrolled biometric template stored in the second device.

12 . The method of claim 10 , wherein extracting biometric features from biometric data obtained using a second biometric sensor and generating a second biometric template, comprises:
extracting a voice print as the biometric features from biometric data obtained using a microphone as the second biometric sensor and generating a voice print as the second biometric template.

13 . A multimodal biometric authentication system comprising:
a first device and a second device, the first device and the second device each comprising:
a biometric sensor;
a transceiver;
non-volatile, non-transitory memory, containing at least one enrolled biometric template, with at least one of the first or the second devices having a first enrolled biometric template related to a bulk absorption biometric and the other of the first or second devices having a second enrolled biometric template;
data processing logic, operatively coupled to the biometric sensor, the data processing logic operative to:
extract biometric features from biometric data obtained using the biometric sensor in the respective first device an

Assignees

• Motorola Mobility Llc

Inventors

• Ashley James
• Christian Paul
• Gyorfi Julius

Classifications

• G06F21/32 Primary

  using biometric data, e.g. fingerprints, iris scans or voiceprints · CPC title

• H04L63/0861

  using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231) · CPC title

• H04W12/06

  Authentication · CPC title

• G07C9/26

  using a biometric sensor integrated in the pass · CPC title