# US 11,029,522 B2 · Method and bendable device for constructing 3D data item

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- Number: US 11,029,522 B2
- Document ID: US11029522B2
- Status: Granted
- Kind: B2
- Application number: 16/729,724
- Filed: 2019-12-30
- Published: 2021-02-11
- Granted: 2021-06-08
- Earliest claimed: 2019-08-07
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Mohammad Sheraj; Ashish Chopra
- Web page: https://patentgrep.com/patent/US11029522B2

## CPC

- G02B 27/0172: {characterised by optical features}
- G06F 1/1616: {with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position}
- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- G06F 1/1677: {for detecting open or closed state or particular intermediate positions assumed by movable parts of the enclosure, e.g. detection of display lid position with respect to main body in a laptop, detection of opening of the cover of battery compartment}
- G06F 1/1686: {the I/O peripheral being an integrated camera}
- G06F 3/013: {Eye tracking input arrangements (G06F3/015 takes precedence)}
- G06T 15/205: {Image-based rendering}
- H04N 13/189: Recording image signals; Reproducing recorded image signals
- H04N 13/239: using two two-dimensional [2D] image sensors having a relative position equal to or related to the interocular distance (H04N13/243 takes precedence)
- H04N 13/243: using three or more two-dimensional [2D] image sensors
- H04N 13/296: Synchronisation thereof; Control thereof
- G02B 2027/014: {comprising information/image processing systems}
- G02B 2027/0187: {slaved to motion of at least a part of the body of the user, e.g. head, eye}
- H04N 13/302: for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N 2213/001: Constructional or mechanical details
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

A method for constructing a three dimensional (3D) data item in a bendable device. The method includes determining, by the bendable device, an inter-axial distance between at least two imaging sensors of the bendable device based on a biometric associated with eyes. Further, the method includes determining, by the bendable device, a bending angle of the bendable device based on the inter-axial distance. Further, the method includes constructing, by the bendable device, the 3D data item using the bending angle of the bendable device.

## Claims

### Claim 1

A method for constructing a three dimensional (3D) data item in a bendable device, the method comprising:
determining, by the bendable device, an inter-axial distance between at least two imaging sensors of the bendable device based on a biometric associated with eyes of a user;
determining, by the bendable device, a bending angle of the bendable device based on the inter-axial distance; and
constructing, by the bendable device, the 3D data item using the bending angle of the bendable device,
wherein the bending angle is determined using the inter-axial distance and a length of the bendable device across an axis of the bendable device.

### Claim 2 (depends on 1)

The method of claim 1, wherein the constructing, by the bendable device, the 3D data item using the bending angle of the bendable device comprises:
detecting a bending action performed by the user to achieve the determined bending angle;
performing a 3D spectrogram analysis by correlating a scene within a field of view of the at least two imaging sensors and a distance from the at least two imaging sensors;
determining a shooting mode based on the 3D spectrogram analysis;
selecting the at least two imaging sensors for constructing the 3D data item using the bending angle;
configuring the at least two imaging sensors in the determined shooting mode; and
constructing the 3D data item using the bending angle of the bendable device.

### Claim 3 (depends on 2)

The method of claim 2, wherein the shooting mode is at least one of a parallel shooting or a converged shooting.

### Claim 4 (depends on 2)

The method of claim 2, further comprising:
determining, by the bendable device, positions of the at least two imaging sensors;
configuring, by the bendable device, the at least two imaging sensors in the determined positions; and
constructing, by the bendable device, the 3D data item using the bending angle of the bendable device.

### Claim 5 (depends on 4)

The method of claim 4, wherein determining, by the bendable device, the positions of the at least two imaging sensors comprises:
performing at least one of a rotation of the at least two imaging sensors, popping-up of the at least two imaging sensors from the bendable device, or tilting of the at least two imaging sensors.

### Claim 6 (depends on 5)

The method of claim 5, wherein selecting, by the bendable device, the at least two imaging sensors for constructing the 3D data item using the bending angle comprises:
determining a personalized biometric associated with the eyes of the user, wherein the personalized biometric associated with the eyes is specific to the user;
identifying the at least two imaging sensors to be used for constructing the 3D data item based on the personalized biometric associated with the eyes of the user and a generalized biometric associated with the eyes for the bendable device, wherein the generalized biometric associated with the eyes is an average of the biometric associated with the eyes of a plurality of users; and
selecting the at least two imaging sensors for constructing the 3D data item using the bending angle.

### Claim 7 (depends on 1)

The method of claim 1, wherein the biometric associated with the eyes is unique to the user of the bendable device,
wherein the biometric associated with the eyes is determined using the at least two imaging sensors of the bendable device.

### Claim 8 (depends on 1)

The method of claim 1, wherein the bendable device further comprises:
at least two foldable displays; and
a mechanical hinge along an axis of the at least two foldable displays, the mechanical hinge enabling folding of the at least two foldable display around the axis.

### Claim 9 (depends on 1)

The method of claim 1, wherein the bendable device is a flexible display which is rollable and foldable.

### Claim 10 (depends on 1)

The method of claim 1, further comprising:
determining, by the bendable device, the inter-axial distance between the at least two imaging sensors of the bendable device is equal to the biometric associated with the eyes; and
automatically constructing, by the bendable device, the 3D data item of a scene within a field of view of the at least two imaging sensors using the bending angle of the bendable device.

### Claim 11 (depends on 1)

The method of claim 1, wherein the biometric of the eyes is one of an inter-pupillary distance (IPD), an inter-iris distance (IID), or an inter-retinal distance (IRD).

### Claim 12

A bendable device for constructing a three dimensional (3D) data item, the bendable device comprising:
a memory;
at least two imaging sensors; and
a processor coupled to the memory, the processor configured to:
determine an inter-axial distance between the at least two imaging sensors of the bendable device based on a biometric associated with eyes of a user;
determine a bending angle of the bendable device based on the inter-axial distance; and
construct the 3D data item using the bending angle of the bendable device
wherein the bending angle is determined using the inter-axial distance and a length of the bendable device across an axis of the bendable device.

### Claim 13 (depends on 12)

The bendable device of claim 12, wherein the processor is configured to construct the 3D data item using the bending angle of the bendable device by:
detecting a bending action performed by the user to achieve the determined bending angle;
performing a 3D spectrogram analysis by correlating a scene within a field of view of the at least two imaging sensors and a distance from the at least two imaging sensors;
determining a shooting mode based on the 3D spectrogram analysis;
selecting the at least two imaging sensors for constructing the 3D data item using the bending angle;
arranging the at least two imaging sensors in the determined shooting mode; and
constructing the 3D data item using the bending angle of the bendable device.

### Claim 14 (depends on 13)

The bendable device of claim 13, wherein the shooting mode is at least one of a parallel shooting or a converged shooting.

### Claim 15 (depends on 13)

The bendable device of claim 13, wherein the processor is further configured to:
determine a position of the at least two imaging sensors;
arrange the at least two imaging sensors in the determined position; and
construct the 3D data item using the bending angle of the bendable device.

### Claim 16 (depends on 15)

The bendable device of claim 15, wherein the processor is configured to determine the position of the at least two imaging sensors by:
performing at least one of a rotation of the at least two imaging sensors, popping-up of the at least two imaging sensors from the bendable device, or tilting of the at least two imaging sensors.

### Claim 17 (depends on 16)

The bendable device of claim 16, wherein the processor is configured to select the at least two imaging sensors for constructing the 3D data item using the bending angle by:
determining a personalized biometric associated with the eyes of the user, wherein the personalized biometric associated with the eyes is specific to a user;
identifying the at least two imaging sensors to be used for constructing the 3D data item based on the personalized biometric associated with the eyes of the user and a generalized biometric associated with the eyes associated the bendable device, wherein the generalized biometric associated with the eyes is an average of the biometric associated with the eyes of a plurality of users; and
selecting the at least two imaging sensors for constructing the 3D data item using the bending angle.

### Claim 18 (depends on 12)

The bendable device of claim 12, wherein the biometric associated with the eyes is unique to the user of the bendable device,
wherein the biometric associated with the eyes is determined using the at least two imaging sensors of the bendable device.

### Claim 19 (depends on 12)

The bendable device of claim 12, wherein the bendable device comprises:
at least two foldable displays; and
a mechanical hinge along an axis of the at least two foldable displays, the mechanical hinge enabling folding of the at least two foldable displays around the axis.

### Claim 20 (depends on 12)

The bendable device of claim 12, wherein the bendable device is a flexible display which is rollable and foldable.

### Claim 21 (depends on 12)

The bendable device of claim 12, wherein the processor is further configured to:
determine the inter-axial distance between the at least two imaging sensors of the bendable device is equal to the biometric associated with the eyes; and
automatically construct the 3D data item of a scene within a field of view of the at least two imaging sensors using the bending angle of the bendable device.

### Claim 22 (depends on 12)

The bendable device of claim 12, wherein the biometric of the eyes is one of an inter-pupillary distance (IPD), an inter-iris distance (IID), or an inter-retinal distance (IRD).