WO2018040444A1 - Dual-camera image capturing control method, image capturing control device, and terminal - Google Patents

Abstract

The present invention relates to the technical field of image capturing, and relates to a dual-camera image capturing control method, image capturing control device, and terminal for improving quality of image capturing. The dual-camera image capturing control method comprises: controlling a camera having a standard focal length to capture an image of a target object in a target region, so as to obtain a first image, and controlling a camera having a wide-angle focal length to capture an image of the target region, so as to obtain a second image; and integrating the first image and the second image to obtain an output image. The dual-camera image capturing control device comprises the dual-camera image capturing control method. The terminal comprises the dual-camera image capturing control device. The provided dual-camera image capturing control method is used to improve image capturing quality.

Description

Dual camera photographing control method, photographing control device and terminal

This application claims the priority of the Chinese patent application filed on August 31, 2016, the Chinese Patent Office, the application number is 201610796908.7, and the invention name is "a dual camera camera control method, camera control device and terminal". The citations are incorporated herein by reference.

Technical field

The present invention relates to the field of photographing technology, and in particular, to a dual camera photographing control method, a photographing control device and a terminal.

Background technique

The wide-angle camera is a wide-angle camera device that can accommodate more scenes within a limited distance. It is suitable for shooting large scenes and tall buildings, but because of its low resolution, it is not suitable for taking close-ups of people.

Compared with the wide-angle camera, the resolution of the ordinary camera is higher, but because it can not achieve wide-angle shooting, when multiple people take photos together, it is impossible to effectively capture multiple people into the preview area. The pitch is huddled together, or the camera focal length is reduced to increase the viewing angle and reduce the definition to achieve the goal of multiple people entering the preview circle.

Summary of the invention

An object of the present invention is to provide a dual camera photographing control method, a photographing control device and a terminal for improving photograph quality.

In order to achieve the above object, the present invention provides the following technical solutions:

A dual camera photographing control method includes:

Controlling the standard focal length camera to take a picture of the target object in the target area, obtaining a first image, and controlling the wide-angle focal length camera to take a picture of the target area to obtain a second image;

The first image and the second image are merged to obtain an output image.

Compared with the prior art, the dual camera photographing control method provided by the present invention has the following beneficial effects:

The dual camera photographing control method provided by the invention controls the standard focal length camera to take photos of the target object in the target area, and controls the wide-angle focal length camera to take photos of the target area, because the image resolution of the standard focal length camera is high, the wide-angle focal length camera The captured image has a wide field of view. Therefore, the dual camera photographing control method provided by the present invention fuses the first image captured by the standard focal length camera and the second image captured by the wide-angle focal length camera, and the formed output image not only has a wide range of shooting. And can also improve the quality of the photo.

The invention provides a dual camera photographing control device, comprising:

The execution unit is configured to, when the multi-person photographing state is set, control the standard focal length camera to take a picture of the target object in the target area, obtain a first image, and control the wide-angle focal length camera to take a photo of the target area to obtain a second image;

The fusion unit is configured to fuse the first image and the second image to obtain an output image.

Compared with the prior art, the beneficial effects of the dual camera photographing control device provided by the present invention are the same as those of the dual camera photographing control method provided by the above technical solution, and are not described herein.

The present invention provides a terminal, including the dual camera photographing control device provided by the above technical solution.

Compared with the prior art, the beneficial effects of the terminal provided by the present invention are the same as those of the dual camera photographing control device provided by the above technical solution, and are not described herein.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

FIG. 1 is a flowchart 1 of a dual camera photographing control method according to an embodiment of the present invention;

2 is a second flowchart of a dual camera photographing control method according to an embodiment of the present invention;

FIG. 3 is a flowchart 3 of a dual camera photographing control method according to an embodiment of the present invention;

4 is a schematic diagram of a focus area division of a wide-angle focal length camera according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram 1 of a dual camera photographing control device according to an embodiment of the present invention; FIG.

FIG. 6 is a schematic structural diagram 2 of a dual camera photographing control device according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram 3 of a dual camera photographing control device according to an embodiment of the present invention; FIG.

FIG. 8 is a schematic structural diagram 4 of a dual camera photographing control apparatus according to an embodiment of the present invention.

FIG. 9 is a schematic structural diagram of a terminal of an embodiment of the present invention.

Reference mark:

11-first acquisition module, 12-second acquisition module,

2-judging unit, 3-execution unit,

31-standard camera execution module, 32-wide-angle camera execution module,

321-focus area division module, 322-photographing number setting module,

323-focus control module, 324-collaborative control module,

4-fusion unit, b0-first wide-angle focus area,

B1 - second wide-angle focus area, b2 - third wide-angle focus area.

detailed description

In order to further illustrate the dual camera photographing control method, photographing control device and terminal provided by the embodiments of the present invention, a detailed description will be made below with reference to the accompanying drawings.

Embodiment 1

Referring to FIG. 1 , an embodiment of the present invention provides a dual camera photographing control method, including:

S11: controlling the standard focal length camera to take a picture of the target object in the target area, obtaining a first image, and controlling the wide-angle focal length camera to take a picture of the target area to obtain a second image;

S12: merging the first image and the second image to obtain an output image.

According to the foregoing specific implementation process, the dual camera photographing control method provided by the embodiment of the present invention adopts a method of controlling a standard focal length camera to take a photograph of a target object in a target area, and controlling a wide-angle focal length camera to photograph a target area, due to a standard focal length. The image captured by the camera has a higher resolution, and the wide-angle focal length camera has a wide field of view. Therefore, the dual camera photographing control method provided by the embodiment of the present invention takes the first image taken by the standard focal length camera and the second image taken by the wide-angle focal length camera. Image fusion, the resulting output image not only has a wide range of shooting, but also improves the quality of the photo.

It can be understood that since the field of view of the standard focal length camera is located in the target area, the field of view of the wide-angle focal length camera is located in the target area and includes the field of view of the standard focal length camera. Therefore, the field of view of the wide-angle focal length camera covers the standard focal length camera. The field of view area can output a wide range of images with a wide field of view of the wide-angle focal length camera.

Specifically, referring to FIG. 2, the dual camera photographing control method in the above embodiment further includes:

Obtaining a preview image of the target object in the target area by the standard focal length camera to obtain a first preview image; acquiring a preview image of the wide-angle focal length camera on the target area to obtain a second preview picture.

In view of the fact that the resolution of the photograph taken by the wide-angle focal length camera is not high, in order to further improve the resolution of the photograph taken by the wide-angle focal length camera, the dual camera photographing control method in the above embodiment further includes:

Performing area division on the second preview picture according to the first preview picture to obtain a plurality of wide-angle focus areas;

Control the number of times the wide-angle focal length camera takes the target area according to the number of wide-angle focus areas;

Control the wide-angle focal length camera to focus on different wide-angle focus areas each time you take a picture;

Controlling the standard focal length camera to take a picture of the target object in the target area and the wide-angle focal length camera to take a photo of the target area at the same time, so that the standard focal length camera takes a picture of the target object in the target area, and obtains the first image;

The image obtained by photographing each target area of the wide-angle focal length camera is combined to generate a second image, and the second image is merged with the first image to obtain an output image.

The specific implementation process of the dual camera photographing control method provided by the above embodiment is described in detail below with reference to FIG.

S21: Acquire a preview picture of the target object in the target area by the standard focal length camera, and obtain a first preview picture;

Obtaining a preview image of the wide-angle focal length camera on the target area to obtain a second preview image;

S22: Perform area division on the second preview picture according to the first preview picture to obtain a plurality of wide-angle focus areas;

Exemplarily, as shown in FIG. 4, the second preview picture is divided into three wide-angle in-focus areas, that is, the first wide-angle in-focus area b0 and the second wide-angle in-focus area by performing area division on the second preview picture according to the first preview picture. B1 and a third wide-angle focus area b2, wherein any one of the first wide-angle focus area b0, the second wide-angle focus area b1, and the third wide-angle focus area b2 may be a coincident area that coincides with the first preview picture.

For example, the first wide-angle focusing area b0 coincides with the first preview image, and then the second wide-angle focusing area b1 and the third wide-angle focusing area b2 are respectively preview images that cannot be acquired by the standard focal length camera.

S23: controlling the number of times the wide-angle focal length camera takes the target area according to the number of the wide-angle focus areas;

Specifically, after the number of the wide-angle focusing areas is determined, the number of photographing times of the wide-angle focal length camera to the target area is set to be the same as the number of wide-angle focusing areas.

S24: controlling the wide-angle focal length camera to focus on different wide-angle focusing areas each time the camera is photographed;

Exemplarily, as shown in FIG. 4, after the wide-angle focusing area is divided into three, correspondingly, the wide-angle focusing camera sets the number of photographing times of the target area to three times, and in the first photographing, controls the wide-angle focal length camera pair. A wide-angle focusing area b0 performs focusing, and when the second photographing is performed, the wide-angle focal length camera is controlled to focus on the second wide-angle focusing area b1, and in the third photographing, the wide-angle focal length camera is controlled to focus on the third wide-angle focusing area b2.

S25: controlling the standard focal length camera to take a picture of the target object in the target area and the wide-angle focal length camera to take a photo of the target area at the same time, so that the standard focal length camera takes a picture of the target object in the target area, and obtains the first image;

Optionally, the photographing of the target object in the target area by the standard focal length camera may be performed simultaneously with any one of the plurality of photographing of the target area by the wide-angle focal length camera, as shown in FIG. 4, when the wide-angle focusing area is divided into three Correspondingly, the wide-angle focusing camera sets the number of photographing times of the target area to three times, and controls the photographing of the target object in the target area by the standard focal length camera and the photographing of the first wide-angle focusing area b0 by the wide-angle focal length camera simultaneously, or Controlling the photographing of the target object in the target area by the standard focal length camera and simultaneously taking the photograph of the second wide-angle focus area b1 by the wide-angle focal length camera, or controlling the photographing of the target object in the target area by the standard focal length camera and the wide-angle focal length camera pair The photographing of the three wide-angle focusing area b2 is performed simultaneously, so that the standard focal length camera takes a picture of the target object in the target area, and then obtains the first image.

S26: Combine the image obtained by taking a picture of the target area with the wide-angle focal length camera to generate a second image, and fuse the second image with the first image to obtain an output image.

Exemplarily, as shown in FIG. 4, when the wide-angle focusing area is divided into three, correspondingly, the wide-angle focusing camera sets the number of photographing times of the target area to three times, and the wide-angle focusing camera respectively points to the first wide-angle focusing area b0. After the second wide-angle focusing area b1 and the third wide-angle focusing area b2 are in focus, the wide-angle focal length camera merges the three captured images of the target area to obtain a second image, and then the obtained second image and the standard focal length camera pair are obtained. The first image obtained by photographing the target in the target area is fused to obtain an output image.

According to the foregoing specific implementation process, when the target area is photographed by using the wide-angle focal length camera, the target area is divided into multiple wide-angle focus areas, and the wide-angle focus camera is controlled to take photos of the target area according to the number of wide-angle focus areas. The number of times, the plurality of wide-angle focus areas are photographed in turn when photographing, so that each part in the target area can be separately focused when photographing, so that the wide-angle focal length camera can be obtained after the image fusion of multiple focus photographs is obtained. The high-resolution second image, and because the image resolution of the standard focal length camera is higher than that of the wide-angle focal length camera, and the wide-angle focal length camera takes a wide field of view, the dual-camera photographing control method provided by the embodiment of the present invention will have a standard focal length. The first image captured by the camera and the second image captured by the wide-angle focal length camera are combined, and the formed output image not only has a wide range of shooting, but also improves the quality of the photograph.

It should be noted that, according to the range of the target area and the different requirements for the photo pixels, the area other than the first preview picture can be subdivided to obtain a plurality of wide-angle focus areas, and the wide-angle focus area is divided. The higher the photo pixel, the actual situation is not limited to the case shown in FIG.

Further, as shown in FIG. 3, the dual camera photographing control method in the embodiment of the present invention further includes:

S211: Determine, according to the first preview picture and the second preview picture, whether the multi-person photographing state is performed;

When in the multi-person photographing state, the process proceeds to step S22, and the second preview screen is divided into regions according to the first preview screen to obtain a plurality of wide-angle in-focus regions.

In the above embodiment, it is determined whether the camera is in a multi-person photographing state, and a method commonly used in the prior art can be used, for example, by recognizing an image in a preview screen, and the number of persons is locked, which is common in photographing of an existing camera. In addition, when the result of the determination is that one of the first preview picture and the second preview picture is not in the multi-person photographing state, the wide-angle in-focus area division is not performed, and thus, the embodiment of the present invention is configured according to the first preview picture and the The second preview screen determines whether the multi-person photographing state is in the step of judging whether the first preview screen and the second preview image are in a multi-person photographing state, and the wide-angle focusing region is divided, thereby improving the confirmation accuracy of the multi-person photographing state.

Embodiment 2

Referring to FIG. 5, an embodiment of the present invention provides a dual camera photographing control apparatus, which includes an execution unit 3 and a fusion unit 4 that are sequentially connected.

The execution unit 3 is configured to control the standard focal length camera to take a picture of the target object in the target area, obtain a first image, and control the wide-angle focal length camera to take a picture of the target area to obtain a second image;

The fusion unit 4 is arranged to fuse the first image and the second image to obtain an output image.

In a specific implementation, the dual-camera photographing control device provided in the above embodiment is used to perform photographing control on the target area.

Using the execution unit 3 to control the standard focal length camera to take a picture of the target object in the target area, obtain a first image, and control the wide-angle focal length camera to take a picture of the target area to obtain a second image;

After the first image and the second image are obtained by the above process using the dual camera photographing control device, the first image and the second image are fused by the merging unit 4 to obtain an output image.

Compared with the prior art, the beneficial effects of the dual camera photographing control device provided by the embodiment of the present invention are the same as those of the dual camera photographing control method provided in the first embodiment, and are not described herein.

It can be understood that the field of view of the standard focal length camera is located in the target area, and the field of view of the wide-angle focal length camera is located in the target area and includes the field of view of the standard focal length camera; therefore, the field of view of the wide-angle focal length camera covers the standard focal length camera In the field of view, a wide field of view of the wide-angle focal length camera can be used to output an image with a wide shooting range.

Specifically, the dual camera photographing control device in the above embodiment further includes a first acquiring module 11 and a second acquiring module 12, wherein the executing unit 3 includes a standard photographing execution module 31 and a wide-angle photographing execution module 32, wherein The output end of the first acquisition module 11 and the output end of the second acquisition module 12 are respectively connected to the input end of the standard photographing execution module 31 and the input end of the wide-angle photographing execution module 32;

The first obtaining module 11 is configured to acquire a preview image of the target object in the target area by the standard focal length camera, to obtain a first preview image;

The second obtaining module 12 is configured to obtain a preview image of the wide-angle focal length camera to the target area, to obtain a second preview image;

The standard photographing execution module 31 is configured to control the standard focal length camera to take a picture of the target object in the target area to obtain a first image;

The wide-angle photographing execution module 32 is configured to control the wide-angle focal length camera to take a picture of the target area to obtain a second image.

In view of the fact that the resolution of the photograph taken by the wide-angle focal length camera is not high, in order to further improve the resolution of the photograph taken by the wide-angle focal length camera, the wide-angle photographing execution module 32 in the above embodiment includes a focus area dividing module 321 and a photographing number setting module 322. The focus control module 323 and the cooperative control module 324; specifically, as shown in FIG. 7, the input ends of the focus area division module 321 are respectively connected to the first acquisition module 11 and the second acquisition module 12, and the output ends of the focus area division module 321 are respectively The input end of the focus control module 323 and the input end of the photographing number setting module 322 are connected, and the output end of the focus control module 323 and the output end of the photographing number setting module 322 are connected to the wide-angle focal length camera, and the input of the cooperative control module 324 is input. The end is connected to the output end of the photographing number setting module 322, and the output end of the cooperative control module 324 is connected to the standard focal length camera; wherein

The focus area dividing module 321 is configured to perform area division on the second preview picture according to the first preview picture to obtain a plurality of wide-angle focus areas;

The photographing times setting module 322 is configured to control the number of photographing times of the wide-angle focal length camera to the target area according to the number of the wide-angle focusing areas;

The focus control module 323 is configured to control the wide-angle focal length camera to focus on different wide-angle focus areas each time the camera is photographed;

The cooperative control module 324 is configured to control the photographing of the target object in the target area by the standard focal length camera and the photographing of the target area by the wide-angle focal length camera at the same time;

The specific implementation process of the dual camera photographing control device provided by the above embodiment is described in detail below with reference to FIG.

S21: The first acquisition module 11 is used to obtain a preview image of the target object in the target area by the standard focal length camera, to obtain a first preview image;

Acquiring, by using the second obtaining module 12, a preview image of the wide-angle focal length camera to the target area, to obtain a second preview image;

S22: using the focus area division module 321 to perform area division on the second preview picture according to the first preview picture, to obtain a plurality of wide-angle focus areas;

Exemplarily, as shown in FIG. 4, the second preview picture is divided into three wide-angle in-focus areas, that is, the first wide-angle in-focus area b0 and the second wide-angle in-focus area by performing area division on the second preview picture according to the first preview picture. B1 and a third wide-angle focus area b2, wherein any one of the first wide-angle focus area b0, the second wide-angle focus area b1, and the third wide-angle focus area b2 may be a coincident area that coincides with the first preview picture.

For example, the first wide-angle focusing area b0 coincides with the first preview image, and then the second wide-angle focusing area b1 and the third wide-angle focusing area b2 are respectively preview images that cannot be acquired by the standard focal length camera.

S23: The photographing number setting module 322 controls the number of photographing times of the wide-angle focal length camera to the target area according to the number of the wide-angle focusing areas;

Specifically, after the number of the wide-angle focusing areas is determined, the number of photographing times of the wide-angle focal length camera to the target area is set to be the same as the number of the wide-angle focusing areas by the photographing number setting module 322.

S24: Using the focus control module 323 to control the wide-angle focus camera to focus on different wide-angle focus areas each time the camera is photographed;

S25: The cooperative control module 324 is used to control the photographing of the target object in the target area by the standard focal length camera and the photographing of the target area by the wide-angle focal length camera at the same time, so that the standard focal length camera takes a picture of the target object in the target area, and then obtains the first An image

Optionally, the photographing of the target object in the target area by the standard focal length camera may be performed simultaneously with any of the plurality of photographs taken by the wide-angle focal length camera to the target area.

S26: The image obtained by taking a picture of the target area by the wide-angle focal length camera is fused by the fusion unit 4 to generate a second image, and the second image is fused with the first image to obtain an output image.

Exemplarily, as shown in FIG. 4, when the wide-angle focusing area is divided into three, correspondingly, the wide-angle focusing camera sets the number of photographing times of the target area to three times, and the wide-angle focusing camera respectively points to the first wide-angle focusing area b0. After the second wide-angle focusing area b1 and the third wide-angle focusing area b2 are sequentially in focus, the fusion unit 4 merges the wide-angle focal length camera with the three captured images of the target area to obtain a second image, and then the obtained second image is The standard focal length camera fuses the first image obtained by taking the object in the target area to obtain an output image.

According to the foregoing specific implementation process, when the target area is photographed by using the wide-angle focal length camera, the focus area division module 321 divides the target area into multiple wide-angle focus areas, and uses the number of photographs according to the number of wide-angle focus areas. The setting module 322 controls the number of times of photographing of the target area by the wide-angle focal length camera, and uses the focus control module 323 to sequentially focus on a plurality of wide-angle focusing areas during photographing, so that each part in the target area can be separately focused when photographed. Therefore, the wide-angle focal length camera can obtain a second image with higher resolution after being merged by multiple focus photographing images, and the image resolution of the wide-angle focal length camera is higher because the image resolution of the standard focal length camera is higher than that of the wide-angle focal length camera. Therefore, the dual camera photographing control device provided by the embodiment of the present invention fuses the first image captured by the standard focal length camera and the second image captured by the wide-angle focal length camera by using the fusion unit 4, and the formed output image is not only the scope of the photographing. More extensive, but also Can improve the quality of the photo.

It should be noted that, according to the range of the target area and the different requirements for the photo pixels, the area other than the first preview picture can be subdivided to obtain a plurality of wide-angle focus areas, and the wide-angle focus area is divided. The higher the photo pixel, the actual situation is not limited to the case shown in FIG.

Further, the dual camera photographing control device in the above embodiment further includes a determining unit 2, as shown in FIG. 8, specifically, the input end of the determining unit 2 is connected to the first obtaining module 11 and the second obtaining module 12, and the determining unit 2 is The output end is connected to the input end of the focus area dividing module 321 , wherein

The determining unit 2 is configured to determine whether it is in a multi-person photographing state according to the first preview screen and the second preview screen;

The focus area division module 321 is configured to perform area division on the second preview picture according to the first preview picture in the multi-person photographing state.

Embodiment 3

The embodiment of the present invention provides a terminal, including the dual camera photographing control device provided in the second embodiment; wherein the dual camera photographing control device is loaded in a central processor of the terminal in the form of a software program, and the terminal In order to realize the camera function, there should be a standard focal length camera and a wide-angle focal length camera.

FIG. 9 is a schematic structural diagram of a terminal of an embodiment of the present invention. As shown in the figure, the terminal 90 in the embodiment of the present invention may be different types of electronic devices, such as: a smart phone, a tablet computer, a palmtop computer, and a mobile internet device, a personal digital assistant, a media player, a smart TV, a smart watch, Smart glasses, smart bracelets, etc. As shown in FIG. 9, the terminal 90 in the embodiment of the present invention includes: at least one processor 901, such as a CPU, at least one memory 902, and at least one transceiver 903. The processor 901, the memory 902, and the transceiver 903 are connected and communicated through a bus system. The memory 902 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.

The memory 902 stores program code, and the processor 901 can call the program code stored in the memory 902 to perform related functions through a bus system. For example, each module described in FIG. 5 and FIG. 6 (eg, the execution unit 3, the fusion unit 4, the first acquisition module 11, the second acquisition module 12, etc.) is stored in the The program code in the memory 902 is executed by the processor 901 to implement the functions of the respective modules to implement a dual camera photographing control method.

Specifically, the processor 901 executes a plurality of instructions to: control a standard focal length camera to take a picture of a target object in a target area, obtain a first image, and control a wide-angle focal length camera to take a picture of the target area, and obtain a first Two images; fusing the first image and the second image to obtain an output image.

According to a preferred embodiment of the present invention, the field of view area of the standard focal length camera is located in the target area;

The field of view area of the wide-angle focal length camera is located within the target area and includes a field of view of the standard focal length camera.

According to a preferred embodiment of the present invention, the plurality of instructions executed by the processor 901 further includes:

Obtaining a preview image of the target object in the target area by the standard focal length camera, and obtaining a first preview picture;

Obtaining a preview image of the wide-angle focal length camera on the target area to obtain a second preview image;

Performing area division on the second preview picture according to the first preview picture to obtain a plurality of wide-angle focus areas;

Controlling the number of photographs of the wide-angle focal length camera to the target area according to the number of wide-angle focus areas;

Controlling the wide-angle focal length camera to focus on the different wide-angle focus areas each time a photograph is taken;

Controlling the photographing of the target object in the target area by the standard focal length camera and simultaneously taking the photographing of the target area by the wide-angle focal length camera;

An image obtained by photographing each of the target areas by the wide-angle focal length camera is fused to generate the second image.

According to a preferred embodiment of the present invention, the plurality of instructions executed by the processor 901 further includes:

Determining whether it is in a multi-person photographing state according to the first preview screen and the second preview screen;

When the multi-person photographing state is performed, the second preview screen is divided according to the first preview screen to obtain a plurality of wide-angle focusing regions.

Compared with the prior art, the beneficial effects of the terminal provided by this embodiment are the same as those of the dual camera camera control device in the foregoing embodiment, and details are not described herein again.

In addition, the terminal can be any product or component having a photographing function such as a mobile phone, a tablet computer, a notebook computer or a digital camera.

In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

Claims (10)

1. A dual camera photographing control method, comprising:

   Controlling the standard focal length camera to take a picture of the target object in the target area, obtaining a first image, and controlling the wide-angle focal length camera to take a picture of the target area to obtain a second image;

   The first image and the second image are blended to obtain an output image.
2. The dual camera photographing control method according to claim 1, wherein a field of view area of the standard focal length camera is located in the target area;

   The field of view area of the wide-angle focal length camera is located within the target area and includes a field of view of the standard focal length camera.
3. The dual camera photographing control method according to claim 1, wherein the dual camera photographing control method further comprises:

   Obtaining a preview image of the target object in the target area by the standard focal length camera, and obtaining a first preview picture;

   Obtaining a preview image of the wide-angle focal length camera on the target area to obtain a second preview image;

   Performing area division on the second preview picture according to the first preview picture to obtain a plurality of wide-angle focus areas;

   Controlling the number of photographs of the wide-angle focal length camera to the target area according to the number of wide-angle focus areas;

   Controlling the wide-angle focal length camera to focus on the different wide-angle focus areas each time a photograph is taken;

   Controlling the photographing of the target object in the target area by the standard focal length camera and simultaneously taking the photographing of the target area by the wide-angle focal length camera;

   An image obtained by photographing each of the target areas by the wide-angle focal length camera is fused to generate the second image.
4. The dual camera photographing control method according to claim 3, wherein the dual camera photographing control method further comprises:

   Determining whether it is in a multi-person photographing state according to the first preview screen and the second preview screen;

   When the multi-person photographing state is performed, the second preview screen is divided according to the first preview screen to obtain a plurality of wide-angle focusing regions.
5. A dual camera photographing control device, comprising:

   The execution unit controls the standard focal length camera to take a picture of the target object in the target area to obtain a first image, and controls the wide-angle focal length camera to take a picture of the target area to obtain a second image;

   And a fusion unit configured to fuse the first image and the second image to obtain an output image.
6. The dual camera photographing control device according to claim 5, wherein a field of view area of the standard focal length camera is located in the target area;

   The field of view area of the wide-angle focal length camera is located within the target area and includes a field of view of the standard focal length camera.
7. The dual camera photographing control device according to claim 5, wherein the execution unit comprises a standard photographing execution module and a wide-angle photographing execution module;

   The standard photographing execution module is configured to control the standard focal length camera to take a picture of the target object in the target area to obtain a first image;

   The wide-angle photographing execution module is configured to control the wide-angle focal length camera to take a picture of the target area to obtain a second image.
8. The dual camera photographing control device according to claim 7, wherein the dual camera photographing control device further comprises a first acquiring module and a second acquiring module, wherein the wide-angle photographing execution module comprises a focus area dividing module and a photographing number Setting module, focus control module and collaborative control module;

   The first acquiring module is configured to acquire a preview image of the target object in the target area by the standard focal length camera, to obtain a first preview image;

   The second acquiring module is configured to acquire a preview image of the wide-angle focal length camera to the target area, to obtain a second preview image;

   The focus area division module is configured to perform area division on the second preview picture according to the first preview picture to obtain a plurality of wide-angle focus areas;

   The photographing number setting module is configured to control the number of photographing times of the wide-angle focal length camera to the target area according to the number of the wide-angle focusing areas;

   The focus control module is configured to control the wide-angle focus area in which the wide-angle focus camera focuses differently each time a photograph is taken;

   The cooperative control module is configured to control the photographing of the target object in the target area by the standard focal length camera and the photographing of the target area by the wide-angle focal length camera at any time;

   The merging unit is further configured to fuse an image obtained by each photographing of the target area by the wide-angle focal length camera to generate the second image.
9. The dual camera photographing control device according to claim 8, wherein the dual camera photographing control device further comprises a judging unit;

   The determining unit is configured to determine whether the multi-person photographing state is determined according to the first preview screen and the second preview screen;

   The focus area division module is further configured to perform area division on the second preview picture according to the first preview picture in a multi-person photographing state to obtain a plurality of wide-angle focus areas.
10. A terminal characterized by comprising the dual camera photographing control device according to any one of claims 5 to 9.

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