# US 11,113,552 B2 · Electronic device and method for displaying image for iris recognition in electronic device

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- Number: US 11,113,552 B2
- Document ID: US11113552B2
- Status: Granted
- Kind: B2
- Application number: 15/828,263
- Filed: 2017-11-30
- Published: 2018-05-31
- Granted: 2021-09-07
- Earliest claimed: 2016-11-30
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Seung-Tae Ha
- Web page: https://patentgrep.com/patent/US11113552B2

## CPC

- G06V 40/197: {Matching; Classification}
- G06V 10/17: {using hand-held instruments}
- G06V 40/19: Sensors therefor
- G06V 40/67: {by interactive indications to the user}
- H04N 23/20: for generating image signals from infrared radiation only
- H04N 23/45: for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
- H04N 23/611: where the recognised objects include parts of the human body
- H04N 23/63: by using electronic viewfinders
- H04N 23/633: {for displaying additional information relating to control or operation of the camera}
- H04N 23/64: {Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image}
- H04N 23/71: Circuitry for evaluating the brightness variation
- H04N 23/6812: {based on additional sensors, e.g. acceleration sensors}
- H04N 25/20: for transforming only infrared radiation into image signals
- G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

Disclosed are various embodiments related to iris authentication technology for electronic devices. According to an embodiment of the present disclosure, an electronic device may include a camera, a display, and a processor configured to display a first image on the display when a distance between the electronic device and an object included in an image captured by the camera is a first distance and to display a second image associated with the first image on the display when the distance between the electronic device and the object included in the image captured by the camera is a second distance different from the first distance. Other various embodiments are also available.

## Claims

### Claim 1

An electronic device, comprising:
a camera;
a display;
a memory storing an iris image and a plurality of images; and
a processor configured to:
select an image for representing eyes from the memory;
activate an iris recognition function;
in response to activating the iris recognition function, control the camera to capture an eye image;
identify an eye included in the eye image captured by the camera;
identify a first image corresponding to a first distance among the plurality of images when a distance between the eye and the electronic device is the first distance;
control the display to display the first image, the first image being different from the eye included in the eye image, when the distance between the electronic device and the eye is a first distance;
identify a second image corresponding to a second distance among the plurality of images when the distance between the eye and the electronic device is the second distance;
change the first image into the second image obtained by differently processing at least one or more of a shape, clarity, transparency, brightness, color, or object size of the first image and control the display to display the second image associated with the first image when the distance between the electronic device and the eye is a second distance different from the first distance; and
perform authentication using the iris image and the eye included in the eye image when the distance between the electronic device and the eye included in the eye image captured by the camera is a distance within an iris-recognizable range.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein the first image indicates a first object, the second image indicates the first object, and at least one of a shape, clarity, transparency, brightness, color, and/or object size of the first object of the first image is different from that of the second image.

### Claim 3 (depends on 1)

The electronic device of claim 1, further comprising an acceleration sensor sensing a shake of the electronic device, wherein the processor is configured to perform a process to provide an effect corresponding to the sensed shake to the second image corresponding to the sensed shake and to display a third image processed to present the effect corresponding to the sensed shake,
wherein the processor is configured to sense a motion of the electronic device using the acceleration sensor, perform a process to provide an effect corresponding to the sensed motion to the second image corresponding to the sensed motion, and display a fifth image processed to present the effect corresponding to the sensed motion.

### Claim 4 (depends on 1)

The electronic device of claim 1, further comprising an illuminance sensor sensing an illuminance, wherein the processor is configured to perform a process to provide an effect corresponding to the sensed illuminance to the second image corresponding to the sensed illuminance and to display a fourth image processed to present the effect corresponding to the sensed illuminance.

### Claim 5 (depends on 1)

The electronic device of claim 1, wherein when iris recognition is requested, the processor is configured to further display a guide image for guiding where a captured eye is to be positioned on the display.

### Claim 6 (depends on 1)

The electronic device of claim 1, wherein the processor is configured to determine an age of an object obtained by the camera and display the first image and the second image based on a result of the determination, wherein the processor is configured to reduce a strength or time of infrared (IR) light emission of the camera when the age of the object corresponds to a kid's mode.

### Claim 7

A method for displaying an image for iris recognition in an electronic device, the method comprising:
selecting an image for representing eyes from a memory of the electronic device;
activating an iris recognition function;
in response to activating the iris recognition function, capturing an image using a camera;
identifying an eye included in the image captured by the camera;
identifying a first image corresponding to a first distance among a plurality of pre-stored images when a distance between the eye and the electronic device is the first distance;
displaying the first image, the first image being different from the eye included in the image, when the distance between the electronic device and the eye included in the image captured by a camera is a first distance;
identifying a second image corresponding to a second distance among the plurality of pre-stored images when the distance between the eye and the electronic device is the second distance;
changing the first image into the second image obtained by differently processing at least one or more of a shape, clarity, transparency, brightness, color, or object size of the first image and displaying the second image associated with the first image when the distance between the electronic device and the eye is the second distance different from the first distance; and
performing authentication using an iris image and the eye included in the image captured by the camera when the distance between the electronic device and the eye included in the image captured by the camera is a distance within an iris-recognizable range.

### Claim 8 (depends on 7)

The method of claim 7, wherein the first image indicates a first object, the second image indicates the first object, and at least one of a shape, clarity, transparency, brightness, color, and/or object size of the first object of the first image is different from that of the second image.

### Claim 9 (depends on 7)

The method of claim 7, further comprising:
sensing a shake, an illuminance, and a motion of the electronic device,
performing a process to provide an effect corresponding to the sensed shake to the second image corresponding to the sensed shake and displaying a third image processed to present the effect corresponding to the sensed shake,
performing a process to provide an effect corresponding to the sensed illuminance to the second image corresponding to the sensed illuminance and displaying a fourth image processed to present the effect corresponding to the sensed illuminance,
performing a process to provide an effect corresponding to the sensed motion to the second image corresponding to the sensed motion and displaying a fifth image processed to present the effect corresponding to the sensed motion.

### Claim 10 (depends on 7)

The method of claim 7, further comprising displaying a guide image for guiding where a captured eye is to be positioned on the display.

### Claim 11 (depends on 7)

The method of claim 7, further comprising:
determining an age of an object obtained by the camera;
performing control to display the first image and the second image based on a result of the determination; and
reducing a strength or time of infrared (IR) light emission of the camera when the age of the object corresponds to a kid's mode.

### Claim 12

A non-transitory computer readable medium including a program that, when executed by at least one processor, is configured to cause the at least one processor to:
select an image for representing eyes from a memory;
activate an iris recognition function;
in response to activating the iris recognition function, capture an image using a camera;
identify an eye included in the image captured by the camera;
identify a first image corresponding to a first distance among a plurality of pre-stored images when a distance between the eye and an electronic device is the first distance;
display the first image, the first image being different from the eye included in the image, when the distance between the electronic device and the eye included in an image captured by a camera is a first distance in the electronic device;
identify a second image corresponding to a second distance among the plurality of pre-stored images when the distance between the eye and the electronic device is the second distance;
change the first image into the second image obtained by differently processing at least one or more of a shape, clarity, transparency, brightness, color, or object size of the first image and display the second image associated with the first image when the distance between the electronic device and the eye is the second distance different from the first distance; and
perform authentication using an iris image and the eye included in the image captured by the camera when the distance between the electronic device and the eye included in the image captured by the camera is a distance within an iris-recognizable range.