# US 2014/0192212 A1 · Image Processing Method and Apparatus

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- Number: US 2014/0192212 A1
- Document ID: US20140192212A1
- Status: Published application
- Kind: A1
- Application number: 14/140,782
- Filed: 2013-12-26
- Published: 2014-07-10
- Earliest claimed: 2013-01-07
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Zhen He; Jilin Liu; Yang Liu; Tengyue Li; Dong Wang
- Web page: https://patentgrep.com/patent/US20140192212A1

## CPC

- G02B 13/06: Panoramic objectives; So-called "sky lenses" {including panoramic objectives having reflecting surfaces}
- G03B 17/17: with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
- G03B 37/00: Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- H04N 5/2624: {for obtaining an image which is composed of whole input images, e.g. splitscreen}
- H04N 5/272: Means for inserting a foreground image in a background image, i.e. inlay, outlay
- 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 23/62: Control of parameters via user interfaces
- H04N 23/635: {Region indicators; Field of view indicators}
- H04N 23/698: for achieving an enlarged field of view, e.g. panoramic image capture
- H04N 23/90: Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
- H04N 23/95: Computational photography systems, e.g. light-field imaging systems
- H04M 2250/52: including functional features of a camera
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

Embodiments of the present invention disclose an image processing method and an apparatus. The image processing method includes: receiving information of starting a first camera and a second camera simultaneously to perform photographing; using the first camera to photograph and obtain a first image, and using the second camera to photograph and obtain a second image; and displaying the first image and the second image simultaneously. In the embodiments of the present invention, two cameras are started simultaneously to perform bidirectional photographing, and the images taken by both cameras are displayed simultaneously, so that front and back scene images are captured simultaneously and a panoramic image is obtained.

## Claims

### Claim 1

An image processing method, comprising:
receiving information of starting a first camera and a second camera simultaneously to perform photographing;
using the first camera to photograph and obtain a first image;
using the second camera to photograph and obtain a second image; and
displaying the first image and the second image simultaneously.

### Claim 2 (depends on 1)

The method according to claim 1, wherein using the first camera to photograph and obtain the first image comprises:
obtaining a first focusing parameter of the first camera; and
using the first camera to photograph according to the first focusing parameter to obtain the first image.

### Claim 3 (depends on 2)

The method according to claim 2, wherein obtaining the first focusing parameter of the first camera comprises:
using the first camera to obtain a preview image of the first image; and
determining the first focusing parameter of the first camera according to an operation of adjusting a focus for the preview image of the first image.

### Claim 4 (depends on 1)

The method according to claim 1, wherein displaying the first image and the second image simultaneously comprises:
determining a specified display area of the second image in the first image; and
displaying the second image in the specified display area of the first image.

### Claim 5 (depends on 4)

The method according to claim 4, wherein determining the specified display area of the second image in the first image comprises:
determining a prominent area and a non-prominent area in the first image according to a preset algorithm; and
using the non-prominent area in the first image as the specified display area of the second image in the first image.

### Claim 6 (depends on 4)

The method according to claim 4, wherein after displaying the first image and the second image simultaneously, the method further comprises:
obtaining a drag locus of the second image; and
determining a display position of the second image according to the drag locus.

### Claim 7 (depends on 4)

The method according to claim 4, wherein after displaying the first image and the second image simultaneously, the method further comprises:
obtaining information about switching operations on display areas of the first image and the second image; and
exchanging the display areas of the first image and the second image according to the information about the switching operations.

### Claim 8 (depends on 4)

The method according to claim 4, wherein after displaying the first image and the second image simultaneously, the method further comprises:
obtaining similarity between an edge area of the second image and a position that accommodates the second image in the first image; and
synthesizing the second image with the first image when the similarity is greater than or equal to a threshold.

### Claim 9 (depends on 8)

The method according to claim 8, further comprising adjusting the first image and/or the second image to increase the similarity when the similarity is smaller than the threshold.

### Claim at position 10

-13. (canceled)

### Claim 14

An image processing apparatus, comprising:
an information receiving unit configured to receive information of starting a first camera and a second camera simultaneously to perform photographing;
an image obtaining unit configured to use the first camera to photograph and obtain a first image, and use the second camera to photograph and obtain a second image; and
an image outputting unit configured to display the first image and the second image simultaneously.

### Claim 15 (depends on 14)

The apparatus according to claim 14, wherein the image obtaining unit comprises:
a parameter obtaining subunit configured to obtain a first focusing parameter of the first camera and a second focusing parameter of the second camera; and
an image obtaining subunit configured to use the first camera to photograph according to the first focusing parameter to obtain the first image, and use the second camera to photograph according to the second focusing parameter to obtain the second image.

### Claim 16 (depends on 15)

The apparatus according to claim 15, wherein the parameter obtaining subunit comprises:
a first subunit configured to use the first camera to obtain a preview image of the first image; and
a second subunit configured to determine the first focusing parameter of the first camera according to an operation of adjusting a focus for the preview image of the first image.

### Claim 17 (depends on 14)

The apparatus according to claim 14, wherein the image outputting unit comprises:
an area determining subunit configured to determine a specified display area of the second image in the first image; and
an outputting subunit configured to display the second image in the specified display area of the first image.

### Claim 18 (depends on 17)

The apparatus according to claim 17, wherein the area determining subunit comprises:
a third subunit configured to determine a prominent area and a non-prominent area in the first image according to a preset algorithm; and
a fourth subunit configured to use the non-prominent area in the first image as the specified display area of the second image in the first image.

### Claim 19 (depends on 17)

The apparatus according to claim 17, further comprising:
a locus obtaining unit configured to obtain a drag locus of the second image; and
a position determining unit configured to determine a display position of the second image according to the drag locus.

### Claim 20 (depends on 17)

The apparatus according to claim 17, further comprising:
an information obtaining unit configured to obtain information about switching operations on display areas of the first image and the second image; and
a switching unit configured to exchange the display areas of the first image and the second image according to the information about the switching operations.

### Claim 21 (depends on 17)

The apparatus according to claim 17, further comprising:
a calculating unit configured to obtain similarity between an edge area of the second image and a position that accommodates the second image in the first image;
a synthesizing unit configured to synthesize the second image with the first image when the similarity is greater than or equal to a threshold; and
an adjusting unit configured to adjust the first image and/or the second image to increase the similarity when the similarity is smaller than the threshold.

### Claim at position 19

-27. (canceled)

### Claim 28

A non-transitory computer-readable medium having computer usable instructions stored thereon for execution by a processor, wherein the instructions cause the processor to:
receive information of starting a first camera and a second camera simultaneously to perform photographing;
use the first camera to photograph and obtain a first image;
use the second camera to photograph and obtain a second image; and
display the first image and the second image simultaneously.

### Claim 29 (depends on 28)

The non-transitory computer-readable medium according to claim 28, wherein the instructions cause the processor to use the first camera to photograph and obtain the first image comprises the instructions causing the processor to:
obtain a first focusing parameter of the first camera; and
use the first camera to photograph according to the first focusing parameter to obtain the first image.

### Claim 30 (depends on 29)

The non-transitory computer-readable medium according to claim 29, wherein the instructions cause the processor to obtain the first focusing parameter of the first camera comprises the instructions causing the processor to:
use the first camera to obtain a preview image of the first image; and
determine the first focusing parameter of the first camera according to an operation of adjusting a focus for the preview image of the first image.

### Claim 31 (depends on 28)

The non-transitory computer-readable medium according to claim 28, wherein the instructions cause the processor to display the first image and the second image simultaneously comprises the instructions causing the processor to:
determine a specified display area of the second image in the first image; and
display the second image in the specified display area of the first image.

### Claim 32 (depends on 31)

The non-transitory computer-readable medium according to claim 31, wherein the instructions cause the processor to determine the specified display area of the second image in the first image comprises the instructions causing the processor to:
determine a prominent area and a non-prominent area in the first image according to a preset algorithm; and
use the non-prominent area in the first image as the specified display area of the second image in the first image.

### Claim 33 (depends on 31)

The non-transitory computer-readable medium according to claim 31, wherein after the instructions cause the processor to display the first image and the second image simultaneously, the instructions further cause the processor to:
obtain a drag locus of the second image; and
determine a display position of the second image according to the drag locus.

### Claim 34 (depends on 31)

The non-transitory computer-readable medium according to claim 31, wherein after the instructions cause the processor to display the first image and the second image simultaneously, the instructions further cause the processor to:
obtain information about switching operations on display areas of the first image and the second image; and
exchange the display areas of the first image and the second image according to the information about the switching operations.

### Claim 35 (depends on 31)

The non-transitory computer-readable medium according to claim 31, wherein after the instructions cause the processor to display the first image and the second image simultaneously, the instructions further cause the processor to:
obtain similarity between an edge area of the second image and a position that accommodates the second image in the first image; and
synthesize the second image with the first image when the similarity is greater than or equal to a threshold.

### Claim 36 (depends on 35)

The non-transitory computer-readable medium according to claim 35, wherein the instructions further cause the processor to adjust the first image and/or the second image to increase the similarity when the similarity is smaller than the threshold.