CN106713716B

CN106713716B - Shooting control method and device for double cameras

Info

Publication number: CN106713716B
Application number: CN201710058274.XA
Authority: CN
Inventors: 李光宇; 王猛
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2017-01-23
Filing date: 2017-01-23
Publication date: 2020-03-31
Anticipated expiration: 2037-01-23
Also published as: CN106713716A

Abstract

The invention discloses a shooting control method and device for double cameras. The method comprises the following steps: calling two cameras with partially overlapped visual angles to respectively acquire a first image and a second image; synthesizing a wide-angle image from the first image and the second image; detecting a touch area of touch control operation when the wide-angle image is displayed on a preview interface; and identifying a camera corresponding to the image in the touch area, and controlling the camera to execute the touch control operation. The invention calls two cameras to respectively collect images, and by synthesizing the two images, a wide-angle image with a wider visual angle compared with an original image can be displayed and shot; when the wide-angle image is displayed, the shooting parameters of the two cameras can be adjusted simultaneously according to the touch control operation, and the shooting parameters of the two cameras can be mutually referred to because the touch control operation is carried out on the cameras based on the wide-angle image, so that the shooting quality can be improved.

Description

Shooting control method and device for double cameras

Technical Field

The invention relates to the technical field of mobile terminals, in particular to a shooting control method and device for double cameras.

Background

Along with the rise of the double-camera mobile terminal, the user can respectively control the double cameras when photographing, so that the mobile terminal controls the two cameras to respectively photograph the photographing target according to the setting of the user. At present, the shooting control mode for the double cameras is as follows: the two cameras are moved to collect pictures respectively, the two viewing frames are displayed on the display interface respectively, the pictures obtained by the two cameras are displayed respectively, and a user controls the two cameras in the areas of the two viewing frames respectively to set shooting parameters of the two cameras and take pictures according to the parameters.

However, the current method for controlling the shooting of the two cameras has the following problems: in the installation, there is certain distance between the two cameras, and the visual angle of two cameras has the difference like this, but because two cameras carry out independent display to the picture of gathering separately, independently shoot, and the shooting parameter independent control of two cameras, so can't increase the visual angle that the sola image corresponds through two cameras, also can't be according to the shooting parameter of the information control another camera that one of them camera gathered, and then can't improve image quality of shooing.

Disclosure of Invention

The invention mainly aims to provide a double-camera shooting control method and a double-camera shooting control device, and aims to solve the problems that in the prior art, two cameras independently display and shoot pictures acquired by the two cameras, shooting parameters of the two cameras are independently controlled, and image shooting quality cannot be improved.

Aiming at the technical problems, the invention solves the technical problems by the following technical scheme:

the invention provides a shooting control method of double cameras, which comprises the following steps: calling two cameras with partially overlapped visual angles to respectively acquire a first image and a second image; synthesizing a wide-angle image from the first image and the second image; detecting a touch area of touch control operation when the wide-angle image is displayed on a preview interface; and identifying a camera corresponding to the image in the touch area, and controlling the camera to execute the touch control operation.

Optionally, the acquiring the first image and the second image respectively by using the two cameras with partially overlapped view angles includes: the two cameras that the visual angle part coincides include: a first camera and a second camera; calling the first camera to collect a first image carrying the first camera information; and calling the second camera to acquire a second image carrying the information of the second camera.

Optionally, the synthesizing of the wide-angle image from the first image and the second image comprises: determining a coincidence image and a difference image of the first image and the second image; synthesizing the wide-angle image from the overlapping partial image and the difference partial image of the first image and the second image; and when the composition operation is executed, enabling the overlapped part image to carry the first camera information and the second camera information.

Optionally, the identifying the camera corresponding to the image in the touch area includes: and identifying the camera corresponding to the image in the touch area according to the camera information carried by the image in the touch area.

Optionally, the identifying the camera corresponding to the image in the touch area includes: and if the touch control operation is a sliding touch control operation, and the touch area of the touch control operation spans the overlapped partial image and the difference partial image, identifying a camera corresponding to an image of an initial touch area or a final touch area of the touch area.

The invention provides a shooting control device with double cameras, which comprises: the calling module is used for calling the double cameras with partially overlapped visual angles to respectively acquire a first image and a second image; a synthesizing module for synthesizing a wide-angle image from the first image and the second image; the detection module is used for detecting a touch area of touch control operation when the wide-angle image is displayed on a preview interface; and the control module is used for identifying the camera corresponding to the image in the touch area and controlling the camera to execute the touch control operation.

Optionally, the invoking module is configured to: the two cameras that the visual angle part coincides include: a first camera and a second camera; calling the first camera to collect a first image carrying the first camera information; and calling the second camera to acquire a second image carrying the information of the second camera.

Optionally, the synthesis module is configured to: determining a coincidence image and a difference image of the first image and the second image; synthesizing the wide-angle image from the overlapping partial image and the difference partial image of the first image and the second image; and when the composition operation is executed, enabling the overlapped part image to carry the first camera information and the second camera information.

Optionally, the control module is configured to: and identifying the camera corresponding to the image in the touch area according to the camera information carried by the image in the touch area.

Optionally, the control module is configured to: and if the touch control operation is a sliding touch control operation, and the touch area of the touch control operation spans the overlapped partial image and the difference partial image, identifying a camera corresponding to an image of an initial touch area or a final touch area of the touch area.

The invention has the following beneficial effects:

the invention calls two cameras to respectively collect images, and by synthesizing the two images, a wide-angle image with a wider visual angle compared with an original image can be displayed and shot; when the wide-angle image is displayed, the shooting parameters of the two cameras can be adjusted simultaneously according to the touch control operation, and the shooting parameters of the two cameras can be mutually referred to because the touch control operation is carried out on the cameras based on the wide-angle image, so that the shooting quality can be improved.

Drawings

Fig. 1 is a schematic diagram of a hardware structure of an optional mobile terminal for implementing various embodiments of the present invention;

FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;

fig. 3 is a flowchart of a photographing control method of dual cameras according to a first embodiment of the present invention;

fig. 4 is a detailed flowchart of a photographing control method of dual cameras according to a second embodiment of the present invention;

fig. 5 is a schematic diagram of a first image captured by a first camera according to a second embodiment of the present invention;

FIG. 6 is a schematic diagram of a second image captured by a second camera according to a second embodiment of the present invention;

FIG. 7 is a schematic view showing a wide-angle image according to a second embodiment of the present invention;

FIG. 8 is a schematic view of a light-measuring frame according to a second embodiment of the present invention;

fig. 9 is a schematic diagram of implementation of a photometry function according to a second embodiment of the present invention;

fig. 10 is a photographing control apparatus of a dual camera according to a third embodiment of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.

The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.

Fig. 1 is a schematic hardware structure of an optional mobile terminal for implementing various embodiments of the present invention.

The mobile terminal 100 may include a wireless communication unit 110, an a/V (audio/video) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. Elements of the mobile terminal will be described in detail below.

The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.

The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive a broadcast signal by using a signal such as multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), forward link media (MediaFLO)^@) A digital broadcasting system of a terrestrial digital broadcasting integrated service (ISDB-T), etc. receives digital broadcasting. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).

The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.

The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.

The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetooth^TMRadio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbee^TMAnd so on.

The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module is a GPS (global positioning system). According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating current position information in real time.

The a/V input unit 120 is used to receive an audio or video signal. The a/V input unit 120 may include a camera 121 and a microphone 122, and the camera 121 processes image data of still pictures or video obtained by an image capturing apparatus in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 151. The image frames processed by the cameras 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 121 may be provided according to the construction of the mobile terminal. The microphone 122 may receive sounds (audio data) via the microphone in a phone call mode, a recording mode, a voice recognition mode, or the like, and can process such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the mobile communication module 112 in case of a phone call mode. The microphone 122 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display unit 151 in the form of a layer, a touch screen may be formed.

The sensing unit 140 detects a current state of the mobile terminal 100 (e.g., an open or closed state of the mobile terminal 100), a position of the mobile terminal 100, presence or absence of contact (i.e., touch input) by a user with the mobile terminal 100, an orientation of the mobile terminal 100, acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and generates a command or signal for controlling an operation of the mobile terminal 100. For example, when the mobile terminal 100 is implemented as a slide-type mobile phone, the sensing unit 140 may sense whether the slide-type phone is opened or closed. In addition, the sensing unit 140 can detect whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled with an external device.

The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.

In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and the like.

The display unit 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 may display a User Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.

Meanwhile, when the display unit 151 and the touch pad are overlapped with each other in the form of a layer to form a touch screen, the display unit 151 may serve as an input device and an output device. The display unit 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. Depending on the particular desired implementation, the mobile terminal 100 may include two or more display units (or other display devices), for example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.

The audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 into an audio signal and output as sound when the mobile terminal is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output module 152 may provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output module 152 may include a speaker, a buzzer, and the like.

The alarm unit 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm unit 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm unit 153 may provide an output in the form of vibration, and when a call, a message, or some other incoming communication (communicating communication) is received, the alarm unit 153 may provide a tactile output (i.e., vibration) to inform the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm unit 153 may also provide an output notifying the occurrence of an event via the display unit 151 or the audio output module 152.

The memory 160 may store software programs and the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or will be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.

The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.

The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.

The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.

The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.

Up to this point, mobile terminals have been described in terms of their functionality. Hereinafter, a slide-type mobile terminal among various types of mobile terminals, such as a folder-type, bar-type, swing-type, slide-type mobile terminal, and the like, will be described as an example for the sake of brevity. Accordingly, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.

The mobile terminal 100 as shown in fig. 1 may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.

A communication system in which a mobile terminal according to the present invention is operable will now be described with reference to fig. 2.

Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.

Referring to fig. 2, the CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be understood that a system as shown in fig. 2 may include multiple BSCs 275.

Each BS270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz, 5MHz, etc.).

The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each sector of a particular BS270 may be referred to as a plurality of cell sites.

As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.

In fig. 2, a plurality of satellites 300 are depicted, but it is understood that useful positioning information may be obtained with any number of satellites. The GPS module 115 as shown in fig. 1 is generally configured to cooperate with satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.

As a typical operation of the wireless communication system, the BS270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS270 to transmit forward link signals to the mobile terminal 100.

Based on the above mobile terminal hardware structure and communication system, the present invention provides various embodiments of the method.

Example one

The embodiment of the invention provides a shooting control method for double cameras. The execution main body of the embodiment is a mobile terminal mounted with two cameras.

Fig. 3 is a flowchart of a photographing control method of dual cameras according to a first embodiment of the present invention.

And step S310, calling two cameras with partially overlapped visual angles to respectively acquire a first image and a second image.

In this embodiment, the dual cameras are located in one side of the mobile terminal, e.g., both on the front side or both on the back side of the mobile terminal. The visual angles of the two cameras are partially overlapped, namely the two cameras can acquire the same image in the overlapped area of the visual angles during framing.

Calling one camera of the two cameras to acquire a first image; and calling the other camera in the double cameras to acquire a second image.

Step S320, synthesizing a wide-angle image according to the first image and the second image.

In this embodiment, since the viewing angles of the two cameras partially overlap, there are partially identical images and partially different images in the first image and the second image respectively captured by the two cameras, and the partially identical image between the first image and the second image may be referred to as an overlapping image, and the partially different image between the first image and the second image may be referred to as a difference image. In other words, the difference partial image is a remaining partial image of the image except for the overlapping partial image.

When the wide-angle images are synthesized, matching the superposed images in the first image and the second image by a matching fusion technology; respectively determining a difference partial image in the first image and a difference partial image in the second image according to the overlapped partial images; the difference partial image in the first image, the overlapped partial image in the first image and the second image and the difference partial image in the second image are combined into one image, and the image has a wider visual angle compared with the first image and the second image, so the image is called a wide-angle image.

When the wide-angle image is synthesized, if the shooting parameters of the superposed part image in the first image and the superposed part image in the second image are the same, the difference part image in the first image, the superposed part image in the first image and the second image, and the difference part image in the second image can be directly spliced into the wide-angle image according to the position relationship.

When the wide-angle image is synthesized, if the shooting parameters of the overlapping portion image in the first image and the overlapping portion image in the second image are different, such as the brightness and the chromaticity, the overlapping portion image in the first image and the overlapping portion image in the second image need to be synthesized into a common overlapping portion image, and then the difference portion image in the first image, the common overlapping portion image and the difference portion image in the second image are spliced into the wide-angle image according to the position relationship. Further, when synthesizing a pixel point of the overlapping portion image in the first image and a pixel point of the corresponding position of the overlapping portion image in the second image, an average value of two corresponding pixel points, such as a luminance average value and a chrominance average value, is taken on the parameter.

And step S330, detecting a touch area of touch control operation when the wide-angle image is displayed on a preview interface.

The touch control operation is control operation such as clicking and sliding touch performed by the user on the preview interface.

The touch control operation is used for realizing a function corresponding to the touch control operation. For example: the touch control operation is used for turning on and off a flash lamp of the camera. For another example: the touch control operation is used for adjusting shooting parameters such as focusing, brightness and exposure.

After the wide-angle images are synthesized, the wide-angle images synthesized according to the images acquired by the two cameras can be previewed in a preview interface. When the user looks over the wide angle image, can adjust the shooting parameter of camera according to the not enough of wide angle image, like adjusting image brightness.

In this embodiment, since the wide-angle image is formed by combining the first image and the second image, a user can adjust shooting parameters of different cameras by performing touch control in different areas of the images, and therefore, after receiving a touch control operation input by the user, the embodiment needs to detect a touch area where the user inputs the touch control operation.

And step S340, identifying a camera corresponding to the image in the touch area, and controlling the camera to execute the touch control operation.

In this embodiment, when the two cameras respectively collect the first image and the second image, the camera information of each pixel point source can be added to each pixel point; when the wide-angle image is synthesized, the pixel points in the difference partial image carry the camera information of the source of the difference partial image, and the superposition partial image carries the information of the two cameras; when the touch control operation is received, determining coordinate information of a touch area, and determining a pixel point corresponding to the coordinate information in the synthesized wide-angle image according to the coordinate information of the touch area; and then identifying the camera corresponding to the image in the touch area according to the determined camera information carried by the pixel point.

In this embodiment, when synthesizing the wide-angle image, the area ranges of the partial difference images located on both sides of the wide-angle image and the camera from which each partial difference image originates may be recorded, and the area range of the partial overlap image located in the middle of the wide-angle image may be recorded, and the partial overlap image may be associated with two cameras by default.

And if the touch control operation is a sliding touch control operation, and the touch area of the touch control operation spans the overlapped partial image and the difference partial image, identifying a camera corresponding to an image of an initial touch area or a final touch area of the touch area.

And if the touch control operation is a click touch control operation, and a touch area of the touch control operation spans the overlapped partial image and the difference partial image, identifying a camera corresponding to the difference partial image and/or a camera corresponding to the overlapped partial image corresponding to an image in the touch area.

And if the two identified cameras are two cameras, controlling the two cameras to execute touch control operation. After the touch control operation is performed on the recognized camera, an image photographing operation is performed.

In the embodiment, two cameras are called to respectively collect images, and a wide-angle image with a wider visual angle than that of an original image can be displayed and shot by synthesizing the two images; when showing wide angle image, can adjust the shooting parameter to two cameras simultaneously according to the touch control operation, because this example carries out touch control operation to the camera based on wide angle image, so the shooting parameter of two cameras can be each other for reference, and then can improve and shoot the quality moreover.

Example two

In order to make the technical solution of the present invention clearer, the following further describes a method for identifying a camera. In this embodiment, the dual cameras with partially overlapped viewing angles include: the camera comprises a first camera and a second camera.

Fig. 4 is a detailed flowchart of a photographing control method of dual cameras according to a second embodiment of the present invention.

And step S410, calling a first camera to collect a first image carrying the first camera information.

And step S420, calling a second camera to collect a second image carrying the second camera information.

In step S430, a coincidence partial image and a difference partial image of the first image and the second image are determined.

Fig. 5 is a schematic diagram of a first image acquired by a first camera, and fig. 6 is a schematic diagram of a second image acquired by a second camera. As can be known from comparing fig. 5 and fig. 6, the image on the right side of the dotted line in fig. 5 is the same as the image on the left side of the dotted line in fig. 6, and is an image collected by the overlapped part of the two cameras, and the image on the right side of the dotted line in fig. 5 and the image on the left side of the dotted line in fig. 6 are overlapped parts; the image on the left side of the dotted line in fig. 5 is different from the image on the right side of the dotted line in fig. 6, and is an image acquired by a part where the two cameras do not coincide in view angle, and the image on the left side of the dotted line in fig. 5 and the image on the right side of the dotted line in fig. 6 are difference partial images.

Step S440 is to synthesize the wide-angle image based on the overlap image and the difference image of the first image and the second image.

In this embodiment, the wide-angle image is spliced according to the positional relationship between the images by using the difference partial image of the first image, the overlapping partial image of the first image and the second image, and the difference partial image of the second image.

In performing the combining, the difference partial image from the first image may be caused to carry first camera information, the difference partial image from the second image may be caused to carry second camera information, and the overlapping partial image may be caused to carry the first camera information and the second camera information. The first camera information and the second camera information may be unique codes of the cameras. The image carrying the camera information means that the pixel points in the image carry the camera information.

In order to enable the user to identify the origin of the image in the wide-angle image, the area range of the overlapping partial images and the area range of the two difference partial images may be identified in the wide-angle image when the wide-angle image is displayed. As shown in fig. 7, which is a display diagram of a wide-angle image, reference numeral 1 is a mobile terminal, a mark frame Z1 is a superposed image between a first image and a second image, a mark frame Z2 is a difference image in the first image, and a mark frame Z3 is a difference image in the second image.

And step S450, detecting a touch area of touch control operation when the wide-angle image is displayed on a preview interface.

The user inputs operation information to the mobile terminal through touch control operations such as clicking and sliding in the preview interface so as to adjust shooting parameters of the camera.

In this embodiment, a plurality of operation frames may be displayed in the preview interface. For example: the light measurement frames are displayed in three areas of Z1, Z2, and Z3, respectively.

In the present embodiment, touch control operations may be performed in three areas (Z1, Z2, and Z3), respectively, for example: as shown in fig. 8, the light measurement frames are respectively displayed in three areas Z1, Z2, and Z3, and the user can operate the light measurement frames through touch control operations respectively to control the three areas respectively.

And step S460, identifying a camera corresponding to the image in the touch area according to the camera information carried by the image in the touch area.

For example: and determining a pixel point corresponding to the coordinate information according to the coordinate information of the touch area, and identifying a camera corresponding to an image in the touch area according to camera information carried by the pixel point.

For another example: recording the area ranges of a mark frame Z1, a mark frame Z2 and a mark frame Z3 in the image of FIG. 7, wherein the mark frame Z1 corresponds to a first camera and a second camera, the mark frame Z1 corresponds to the first camera, and the mark frame Z3 corresponds to the second camera; because each identification frame and the camera have a corresponding relationship, the camera corresponding to the image in the touch area is determined according to the identification frame where the touch area is located, such as: if the touch area is in the identification frame Z1, the cameras corresponding to the images in the touch area are two cameras.

And step S470, after the touch control operation is performed on the recognized camera, performing an image capturing operation.

If the touch control operation is recognized to be located in the Z1 area, the image in the touch area is recognized to correspond to the first camera and the second camera, and then the first camera and the second camera are simultaneously controlled to synchronously adjust the shooting parameters according to the touch control operation, and synchronous shooting is carried out.

And if the touch control operation is identified to be located in the Z2 or Z3 area, identifying that the image in the touch area corresponds to the first camera or the second camera, further controlling the first camera or the second camera to adjust the shooting parameters according to the touch control operation, and then enabling the first camera and the second camera to shoot synchronously.

And if the touch control operation is a sliding touch control operation, and the touch area of the touch control operation spans the overlapped partial image and the difference partial image, identifying a camera corresponding to the image of the initial touch area or the final touch area of the touch area.

Taking the photometry function shown in fig. 8 as an example, the user operates the photometric frame located in the Z3 area, slides it to the position where the Z2 area circle is located, the slide-touch control operation spans the Z3, Z1, and Z2 areas, i.e., the touch control operation is a slide-touch control operation, and the touch area of the touch control operation spans the overlapping partial image and the difference partial image. Determining a starting coordinate of the light measuring frame and an ending coordinate of the light measuring frame, and further identifying cameras corresponding to the starting coordinate and the ending coordinate respectively, if the identified cameras are different, acquiring the current light measuring parameters of the cameras corresponding to the ending coordinate when touch control operation is executed, and adjusting the light measuring parameters of the cameras corresponding to the starting area according to the light measuring parameters.

Can improve the adjustable scope when mobile terminal shoots through this embodiment, the shooting parameter that can't obtain when acquireing single camera shooting, because have the certain interval between two cameras, lead to one of them camera to obtain the unable data that obtain of another camera, for example, first camera probably obtains better light data, and the second camera can't obtain this light data, so can be under the condition of not moving or rotating mobile terminal through this embodiment, the light information that utilizes first camera to obtain controls the second camera and shoots.

EXAMPLE III

The embodiment of the invention provides a shooting control device with two cameras. The two-camera photographing control apparatus of the present embodiment may be provided in a mobile terminal having two cameras whose angles of view partially overlap.

As shown in fig. 10, a photographing control apparatus for two cameras according to a third embodiment of the present invention.

The calling module 1010 is used for calling the two cameras with partially overlapped visual angles to respectively acquire a first image and a second image;

a synthesizing module 1020 for synthesizing a wide-angle image from the first image and the second image;

the detecting module 1030 is configured to detect a touch area of a touch control operation when the wide-angle image is displayed on a preview interface;

the control module 1040 is configured to identify a camera corresponding to the image in the touch area, and control the camera to execute the touch control operation.

Further, the invoking module 1010 is configured to: the two cameras that the visual angle part coincides include: a first camera and a second camera; calling the first camera to collect a first image carrying the first camera information; and calling the second camera to acquire a second image carrying the information of the second camera.

Further, the synthesis module 1020 is configured to: determining a coincidence image and a difference image of the first image and the second image; synthesizing the wide-angle image from the overlapping partial image and the difference partial image of the first image and the second image; and when the composition operation is executed, enabling the overlapped part image to carry the first camera information and the second camera information.

Further, the control module 1040 is configured to: and identifying the camera corresponding to the image in the touch area according to the camera information carried by the image in the touch area.

Further, the control module 1040 is configured to: and if the touch control operation is a sliding touch control operation, and the touch area of the touch control operation spans the overlapped partial image and the difference partial image, identifying a camera corresponding to an image of an initial touch area or a final touch area of the touch area.

The functions of the apparatus in this embodiment have already been described in the embodiments shown in fig. 1 to 9, so that reference may be made to the related descriptions in the foregoing embodiments for details in the description of this embodiment, which are not repeated herein.

The device can call two cameras to respectively collect images, and can display and shoot wide-angle images with wider visual angles compared with original images by synthesizing the two images; when the wide-angle image is displayed, the shooting parameters of the two cameras can be simultaneously adjusted according to the touch control operation, and the shooting parameters of the two cameras can be mutually referred to because the touch control operation is carried out on the cameras based on the wide-angle image, so that the shooting quality can be improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A shooting control method for dual cameras is characterized by comprising the following steps:

calling two cameras with partially overlapped visual angles to respectively acquire a first image and a second image;

synthesizing a wide-angle image from the first image and the second image;

detecting a touch area of touch control operation when the wide-angle image is displayed on a preview interface;

identifying a camera corresponding to the image in the touch area, and controlling the camera to execute the touch control operation;

each pixel point of the first image carries camera information corresponding to the first image; and each pixel point of the second image carries camera information corresponding to the second image.

2. The method of claim 1, wherein the invoking of the dual cameras with partially overlapping perspectives separately captures a first image and a second image, comprising:

the two cameras that the visual angle part coincides include: a first camera and a second camera;

calling the first camera to collect a first image carrying the first camera information;

and calling the second camera to acquire a second image carrying the information of the second camera.

3. The method of claim 2, wherein synthesizing a wide-angle image from the first image and the second image comprises:

determining a coincidence image and a difference image of the first image and the second image;

synthesizing the wide-angle image from the overlapping partial image and the difference partial image of the first image and the second image; wherein the content of the first and second substances,

and when the composition operation is executed, enabling the overlapped part image to carry the first camera information and the second camera information.

4. The method of claim 3, wherein identifying the camera to which the image in the touch area corresponds comprises:

and identifying the camera corresponding to the image in the touch area according to the camera information carried by the image in the touch area.

5. The method according to claim 3 or 4, wherein the identifying the camera corresponding to the image in the touch area comprises:

6. A photographing control apparatus of a dual camera, the apparatus comprising:

the calling module is used for calling the double cameras with partially overlapped visual angles to respectively acquire a first image and a second image;

a synthesizing module for synthesizing a wide-angle image from the first image and the second image;

the detection module is used for detecting a touch area of touch control operation when the wide-angle image is displayed on a preview interface;

the control module is used for identifying a camera corresponding to the image in the touch area and controlling the camera to execute the touch control operation;

7. The apparatus of claim 6, wherein the invoking module is configured to:

8. The apparatus of claim 7, wherein the synthesis module is configured to:

9. The apparatus of claim 8, wherein the control module is configured to:

10. The apparatus of claim 8 or 9, wherein the control module is configured to: and if the touch control operation is a sliding touch control operation, and the touch area of the touch control operation spans the overlapped partial image and the difference partial image, identifying a camera corresponding to an image of an initial touch area or a final touch area of the touch area.