Cognitive sensor and method of operating of the same

• US 9,832,370 B2
• Filed: 07/17/2015
• Issued: 11/28/2017
• Est. Priority Date: 07/18/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Cho, Seongho, Park, Youngsoo, Hwang, Euichul, Lee, Myoungjae
• Primary Examiner(s): Aggarwal, Yogesh
• Application Number:
  US14/802,315
• Publication Number:
  US 20160021302A1
• Time in Patent Office: 865 Days
• Field of Search: 3482221
• CPC Class Codes: A61B 2576/00 Medical imaging apparatus involving image processing or analysis A61B1/00009, A61B6/52 and A61B8/52 take precedence; image processing per se G06T; details of algorithms for analysing medical images G06T7/0012
• CPC Class Codes: A61B 3/113 for determining or recording eye movement
• CPC Class Codes: A61B 5/0037 Performing a preliminary scan, e.g. a prescan for identifying a region of interest
• CPC Class Codes: A61B 5/11 Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb for measuring pulse A61B5/02 ;A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721
• CPC Class Codes: A61B 8/5207 involving processing of raw data to produce diagnostic data, e.g. for generating an image reconstruction G06T11/00
• CPC Class Codes: G16H 30/40 for processing medical images, e.g. editing
• CPC Class Codes: H04N 23/611 where the recognised objects include parts of the human body
• CPC Class Codes: H04N 25/443 by reading pixels from selected 2D regions of the array, e.g. for windowing or digital zooming

Abstract

A cognitive sensor and a method of operating the same. The cognitive sensor includes a sensor unit, which generates electric signals in response to outside stimulations; a signal processing unit, which generates sensed data regarding the outside stimulations by processing electric signals generated by the sensor unit; a cognitive circuit unit, which specifies an area of interest in the sensed data processed by the signal processing unit; and an output unit, which outputs the sensed data generated by the signal processing unit, wherein at least a portion of the sensed data output by the output unit is sensed data regarding the area of interest.

Claims

1. A recognition apparatus comprising:

a first cognitive sensor comprising;

a sensor unit configured to generate electric signals in response to outside stimulations;

a signal processing unit configured to generate sensed data regarding the outside stimulations by processing electric signals generated by the sensor unit;

a cognitive circuit unit of the first cognitive sensor configured to continuously specify an area of interest in the sensed data processed by the signal processing unit when a target is signaled in the sensed data and periodically specify the area of interest when the target is not signaled in the sensed area; and

an output unit configured to output the sensed data generated by the signal processing unit,

wherein at least a portion of the sensed data output by the output unit corresponds to the area of interest; and

a second sensor configured to obtain initial information for specifying an area of interest,

wherein the cognitive circuit unit of the first cognitive sensor is configured to specify the area of interest based on information obtained via the second sensor.

2. The recognition apparatus of claim 1, wherein the sensor unit, the signal processing unit, the cognitive circuit unit, and the output unit are integrated on a single chip.

3. The recognition apparatus of claim 1, wherein the signal processing unit is configured to replace data corresponding to areas other than the area of interest in the sensed data with existing data, null data, dummy data, or low-resolution data.

4. The recognition apparatus of claim 1, wherein the sensor unit comprises a sensing element array including a plurality of sensing elements, each of which being configured to convert outside stimulations into electric signals.

5. The recognition apparatus of claim 4, wherein the signal processing unit is configured to generate sensed data regarding outside stimulations corresponding to the area of interest by processing electric signals obtained from the sensing elements corresponding to the area of interest based on the area of interest specified by the cognitive circuit unit.

6. The recognition apparatus of claim 4, further comprising a driving circuit unit configured to drive the sensing element array,

wherein the driving circuit unit is configured to selectively drive sensing elements corresponding to the area of interest based on information regarding the area of interest received from the cognitive circuit unit.

7. The recognition apparatus of claim 6, wherein, while sensed data regarding outside stimulations corresponding to the area of interest is being generated, the driving circuit unit is configured to drive only sensing elements corresponding to the area of interest and to not drive the other sensing elements.

8. The recognition apparatus of claim 4, wherein one or more of the plurality of sensing elements comprises a photoelectric conversion element configured to convert a light into electric signals.

9. The recognition apparatus of claim 1, wherein the sensor unit is one of an ultrasound transducer configured to convert an ultrasound wave into electric signals, a tactile sensor configured to sense contact of a target object, a pressure sensor configured to sense a pressure from a target object, a bio-sensor configured to sense biological substances, and a chemical substance sensor configured to sense chemical substances.

10. The recognition apparatus of claim 1, wherein the cognitive circuit unit comprises a neural network circuit or a neuromorphic circuit.

11. The recognition apparatus of claim 10, wherein the cognitive circuit unit is configured to specify an area of interest in sensed data detected by the sensor unit based on prior information.

12. The recognition apparatus of claim 1, wherein the outside stimulations are one of an electromagnetic wave, a sound wave, a contact, a pressure, a biological substance, and a chemical substance.

13. The recognition apparatus of claim 1, wherein the second sensor comprises an eye-tracking sensor or a motion sensor.

14. A recognition apparatus comprising:

a first cognitive sensor including;

a sensor unit configured to generate electric signals in response to outside stimulations;

a signal processing unit configured to generate sensed data regarding the outside stimulations by processing electric signals generated by the sensor unit;

a cognitive circuit unit of the first cognitive sensor configured to continuously specify an area of interest in the sensed data processed by the signal processing unit when a target is signaled in the sensed data and periodically specify the area of interest when the target is not signaled in the sensed area; and

an output unit configured to output the sensed data generated by the signal processing unit,

wherein at least a portion of the sensed data output by the output unit corresponds to the area of interest;

a second sensor configured to obtain initial information for specifying an area of interest, and

a computing device, to which the first cognitive sensor is connected via a network,

wherein the cognitive circuit unit of the first cognitive sensor is configured to specify the area of interest in conjunction with the computing device based on information obtained via the second sensor.

15. A method of operating a recognition apparatus comprising a first cognitive sensor including a sensor unit which generates electric signals in response to outside stimulations, a signal processing unit which generates sensed data regarding the outside stimulations by processing electric signals generated by the sensor unit, a cognitive circuit unit of the first cognitive sensor which specifies an area of interest in the sensed data processed by the signal processing unit, and an output unit which outputs the sensed data generated by the signal processing unit, and a second sensor configured to obtain initial information for specifying an area of interest, the method comprising:

converting the outside stimulations into electric signals at the sensor unit;

continuously specifying the area of interest via the cognitive circuit unit when a target is signaled in the sensed data and periodically specifying the area of interest when the target is not signaled in the sensed area;

generating sensed data regarding the area of interest by processing electric signals corresponding to the area of interest from among the electric signals; and

outputting the sensed data generated by the signal processing unit via an input/output unit,

wherein at least a portion of the sensed data output by the output unit is sensed data regarding the area of interest, and

wherein the cognitive circuit unit of the first cognitive sensor is configured to specify the area of interest based on information obtained via the second sensor.

16. The method of claim 15, wherein the signal processing unit replaces data corresponding to areas other than the area of interest in the sensed data with existing data, null data, dummy data, or low-resolution data.

17. The method of claim 15, further comprising recognizing a change of situation,

wherein an area of interest is further specified based on information regarding the recognized change of situation.

18. The method of claim 15, wherein the sensor unit is a sensing element array including a plurality of sensing elements each of which being configured to convert outside stimulations into electric signals, and

sensing elements corresponding to the area of interest from among the plurality of sensing elements are selectively driven, based on information regarding the area of interest received from the cognitive circuit unit.