CN113301253A - Auxiliary shooting method of astronomical image, mobile terminal and storage medium - Google Patents

Auxiliary shooting method of astronomical image, mobile terminal and storage medium Download PDF

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Publication number
CN113301253A
CN113301253A CN202110551814.4A CN202110551814A CN113301253A CN 113301253 A CN113301253 A CN 113301253A CN 202110551814 A CN202110551814 A CN 202110551814A CN 113301253 A CN113301253 A CN 113301253A
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mobile terminal
data
current
astronomical
determining
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CN113301253B (en
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王秀琳
余航
王汇
崔小辉
李风光
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses an auxiliary shooting method of astronomical images, a mobile terminal and a storage medium, and belongs to the field of mobile terminals. The method comprises the following steps: acquiring sensor data of a mobile terminal, and determining the current position and angle of the mobile terminal in the earth; acquiring camera lens data of a mobile terminal, and determining the current viewing range of the mobile terminal; determining the astronomical object in the current view-finding range according to preset star catalogue data; and performing image enhancement processing on the astronomical object in the current view range. According to the embodiment of the invention, the shooting time can be shortened, the shooting effect can be improved and the user experience can be further improved according to the calculation of the sensor data of the mobile terminal and the preset star catalogue related data of the astronomical system.

Description

Auxiliary shooting method of astronomical image, mobile terminal and storage medium
Technical Field
The invention relates to the field of mobile terminals, in particular to an auxiliary shooting method of astronomical images, a mobile terminal and a storage medium.
Background
At present, mobile terminal's popularization increasingly, the user that uses mobile terminal is more and more, and the user daily uses mobile terminal also more and more frequently for mobile terminal has become one of the indispensable mobile device of user, and, the function of making a video recording that mobile terminal possesses is also powerful day by day, can utilize mobile terminal's the function of making a video recording to carry out multiple scene and shoot.
Currently, when photographing using a mobile terminal, an object to be photographed generally includes astronomical attribute materials (for example, the sun, the moon, the star, and the like). When shooting materials containing astronomical attributes, the shooting method is easily influenced by various factors such as hardware limitation of the mobile terminal, weather conditions, ambient light interference and the like, the shot object effect is not ideal enough, and the shooting effect is not good; in addition, in some shooting scenes, shooting time is long, and a photographer often needs to shoot for several hours to obtain a good shooting effect, and auxiliary shooting equipment (such as a tripod and a star tracker) must be used in the shooting scenes, for example, shooting scenes in a star-track mode needs to be exposed for a long time (up to several hours) by means of the tripod equipment to shoot a star motion track with a good effect, so that user experience is affected.
Disclosure of Invention
In view of this, the auxiliary shooting method for the astronomical image, the mobile terminal and the storage medium provided by the embodiments of the present invention can shorten the shooting time and improve the shooting effect according to the calculation of the sensor data of the mobile terminal and the preset star table related data of the astronomical system, thereby improving the user experience.
The technical scheme adopted by the invention for solving the technical problems is as follows:
according to an aspect of the present invention, there is provided an auxiliary photographing method of an astronomical image, the method comprising:
acquiring sensor data of a mobile terminal, and determining the current position and angle of the mobile terminal in the earth;
acquiring camera lens data of a mobile terminal, and determining the current viewing range of the mobile terminal;
determining the astronomical object in the current view-finding range according to preset star catalogue data;
and performing image enhancement processing on the astronomical object in the current view range.
According to another aspect of the present invention, there is provided a mobile terminal including: the device comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the computer program realizes the steps of the auxiliary shooting method of the astronomical image provided by the embodiment of the invention when being executed by the processor.
According to another aspect of the present invention, there is provided a storage medium having a program of an auxiliary shooting method of an astronomical image stored thereon, wherein the program of the auxiliary shooting method of the astronomical image is executed by a processor to implement the steps of the auxiliary shooting method of the astronomical image provided by the embodiment of the present invention.
Compared with the related art, the auxiliary shooting method of the astronomical image, the mobile terminal and the storage medium provided by the embodiment of the invention have the advantages that the position and the angle of the mobile terminal in the earth are determined by acquiring the sensor data of the mobile terminal, the current view range of the mobile terminal is determined by acquiring the camera lens data of the mobile terminal, the astronomical object in the current view range is determined according to the preset star catalogue data, and the image enhancement processing is performed on the astronomical object in the current view range, so that the shooting time is shortened, the shooting effect is improved, and the user experience is further improved according to the calculation of the sensor data of the mobile terminal and the preset star catalogue related data of the astronomical system.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention.
Fig. 2 is a diagram of a communication network system architecture according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating an auxiliary shooting method for an astronomical image according to an embodiment of the present invention.
Fig. 4 is a flowchart illustrating an auxiliary shooting method for an astronomical image according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a mobile terminal according to an 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
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 itself. Thus, "module", "component" or "unit" may be used mixedly.
It should be noted that the terms first, second and the like in the description and in the claims, and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The 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 tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 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 unit 103 may also 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 unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing 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 radio frequency unit 101 in case of a phone call mode. The microphone 1042 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 mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 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 interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices 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 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
In one embodiment, as shown in fig. 3, the present invention provides an auxiliary photographing method of an astronomical image based on astronomical calculations, the method comprising:
and S1, acquiring sensor data of the mobile terminal, and determining the current position and angle of the mobile terminal in the earth.
And S2, acquiring the camera lens data of the mobile terminal, and determining the current view range of the mobile terminal.
And S3, determining the astronomical object in the current view range according to preset star catalogue data.
And S4, performing image enhancement processing on the astronomical object in the current view range.
In the embodiment, the position and the angle of the mobile terminal in the earth are determined by acquiring sensor data of the mobile terminal, the current viewing range of the mobile terminal is determined by acquiring camera lens data of the mobile terminal, an astronomical object in the current viewing range is determined according to preset star catalogue data, and the image enhancement processing is performed on the astronomical object in the current viewing range, so that the shooting time is shortened, the shooting effect is improved, and the user experience is further improved according to the calculation of the sensor data of the mobile terminal and the preset star catalogue related data of an astronomical system.
In one embodiment, the step S1 of acquiring sensor data of the mobile terminal and determining the current location of the mobile terminal in the earth includes:
s11, acquiring GPS sensor data or WiFi module data of the mobile terminal to determine the current Position (longitude) of the mobile terminal in the earth, wherein the Position comprises longitude and latitude information.
In this embodiment, GPS data is acquired by a GPS sensor of the mobile terminal, and longitude and latitude Position (longitude) of a Position where the mobile terminal is currently located in the earth is determined.
WiFi data is obtained through a WiFi module of the mobile terminal, and longitude and latitude positions of the current Position of the mobile terminal in the earth are determined.
In one embodiment, the step S1 of acquiring sensor data of the mobile terminal and determining an angle at which the mobile terminal is currently located in the earth includes:
s12, acquiring gravity sensor data G through a gravity sensor module of the mobile terminal:
G＝{gracityx,gracityy,gracityz3}
s13, acquiring magnetic sensor data M through a magnetic sensor module of the mobile terminal:
M＝{magneticyx,magneticyy,magneticyz}
and S14, determining the shooting angle alpha of the mobile terminal according to the gravity sensor data and the magnetic sensor data.
α＝F1(G,M,Para1)
Figure BDA0003075799480000091
Wherein, Para1Is a preset parameter list.
In one embodiment, the method further comprises: and acquiring the current time T, and calculating the current rotation angle theta of the earth according to the current time.
θ＝F2(T,Para2)
Wherein, Para2Is a preset parameter list.
In one embodiment, in step S2, the determining the current viewing range of the mobile terminal is performed according to the camera lens data of the mobile terminal. The camera lens data at least comprises a lens field angle FOV and a digital zoom multiple f.
In the embodiment, the current viewing range of the mobile terminal is determined by acquiring camera lens data such as a camera lens field angle FOV and a digital zoom multiple f of the mobile terminal.
In one embodiment, in step S3, the astronomical objects in the current viewing range are determined according to preset star map data, wherein the astronomical objects include but are not limited to the sun, the moon, the constellation and other celestial bodies.
And S31, acquiring preset star catalogue data.
The preset star catalogue data includes, but is not limited to, the following information:
StarList＝{S1，S2，S3……Sn}
Si＝{index，location，brightness……}
location＝{RA，Dec}
wherein n is the celestial body total recorded in the star chartIndex, location and brightness are respectively encoding information, position information and brightness information of the celestial body Si; RA, Dec are location information locations of celestial bodies SiiThe right ascension and declination.
S32, determining whether each celestial body Si in the preset star catalogue data is in the current view-finding interface according to the Position information location, the Position and the angle alpha of the current mobile terminal, the lens view angle FOV, the digital zoom multiple f and the like:
γi＝F3(FOV，f，α，θ，locationi，Para3)
wherein, Para3A preset parameter list is obtained; gamma rayiWhen 0, Si is not in the current viewing interface, γiWhen 1, Si is within the current viewing interface;
and S33, acquiring all celestial bodies in the current view interface to form an all celestial body list.
In one embodiment, in step S4, the performing image enhancement processing on the astronomical object in the current viewing range includes:
and S41, selecting the current shooting mode.
In this embodiment, the shooting mode of the mobile terminal includes at least one of: starry sky enhancement, star orbit mode, moon mode.
And selecting a current shooting mode from the mobile terminal shooting modes according to shooting requirements.
And S42, shooting by using the selected shooting mode.
In the shooting process, the selected shooting mode can be subjected to appropriate parameter adjustment, and shooting is performed according to the adjusted parameters.
And S43, performing image enhancement on the currently shot image according to the list of all celestial bodies in the current viewing interface, wherein the image enhancement includes but is not limited to color enhancement, contour enhancement, trajectory enhancement and the like.
And the color enhancement is used for enhancing the celestial body color in the current shot image.
And the contour enhancement is to enhance the image of the celestial body contour in the current shot image.
And the track enhancement is to carry out image enhancement on the celestial body track in the current shot image.
The technical solution of the present invention is further described below with a specific example.
As shown in fig. 4, an embodiment of the present invention provides an auxiliary shooting method for an astronomical image, including:
s501, judging whether the mobile terminal starts a GPS currently, and if so, turning to S502; if not, the process proceeds to S503.
S502, acquiring GPS data, and determining longitude and latitude information of the position of the current mobile terminal: position (x, y);
and S503, if the GPS is not started, judging whether the mobile terminal currently starts WIFI. If the starting is finished, the step is shifted to S504; if not, the process proceeds to S505.
And S504, if the WIFI is started, acquiring longitude and latitude information Position (longitude) of the Position of the current mobile terminal through the WIFI.
And S505, prompting a user to start the GPS or WIFI.
S506, acquiring gravity sensor data G through a gravity sensor module of the mobile terminal:
G＝{gracityx,gracityy,gracityz3}
s507, acquiring data M of the magnetic sensor through the magnetic sensor module of the mobile terminal:
M＝{magneticyx,magneticyy,magneticyz}
s508, according to the gravity sensor data and the magnetic sensor data, determining a shooting angle alpha of the mobile terminal:
α＝F1(G，M，Para1)
Figure BDA0003075799480000111
wherein, Para1Is a preset parameter list.
And S509, acquiring the current time T, and calculating the current rotation angle theta of the earth according to the current time T.
θ＝F2(T,Para2)
Wherein, Para2Is a preset parameter list.
And S510, acquiring preset star catalogue data. The star catalogue data includes, but is not limited to, the following information:
StarList＝{S1，S2，S3……Sn}
Si＝{index，location，brightness……}
locationi＝{RA，Dec}
wherein n is the total number of celestial bodies recorded in the star table, and index, location and brightness are respectively encoding information, position information and brightness information of the celestial body Si; RA, Dec are location information locations of celestial bodies SiiThe right ascension and declination.
And S511, acquiring the field angle FOV and the digital zoom multiple f of the current mobile terminal photographing lens.
S512, for each celestial body Si in the preset star catalogue data, determining whether the celestial body Si is in the current view-finding interface according to the Position information location, the Position and the angle alpha of the current mobile terminal, the lens view angle FOV, the digital zoom multiple f and the like:
γi＝F3(FOV，f，α，θ，locationi，Para3)
wherein, Para3A preset parameter list is obtained; gamma rayiWhen 0, Si is not in the current viewing interface, γiWhen 1, Si is in the current viewing interface
And S513, acquiring all celestial bodies in the current view interface to form an all celestial body list.
And S514, selecting the current shooting mode and shooting by using the selected shooting mode.
And S515, performing image enhancement on the currently shot image according to the list of all celestial bodies in the current viewing interface, wherein the image enhancement includes but is not limited to color enhancement, contour enhancement, track enhancement and the like.
In the embodiment, the position and the angle of the mobile terminal in the earth are determined by acquiring sensor data of the mobile terminal, the current viewing range of the mobile terminal is determined by acquiring camera lens data of the mobile terminal, an astronomical object in the current viewing range is determined according to preset star catalogue data, and the image enhancement processing is performed on the astronomical object in the current viewing range, so that the shooting time is shortened, the shooting effect is improved, and the user experience is further improved according to the calculation of the sensor data of the mobile terminal and the preset star catalogue related data of an astronomical system.
In addition, an embodiment of the present invention further provides a mobile terminal, as shown in fig. 5, where the mobile terminal 900 includes: a memory 902, a processor 901 and one or more computer programs stored in the memory 902 and executable on the processor 901, wherein the memory 902 and the processor 901 are coupled together by a bus system 903, and the one or more computer programs when executed by the processor 901 implement the following steps of a method for auxiliary shooting of an astronomical image provided by an embodiment of the present invention:
and S1, acquiring sensor data of the mobile terminal, and determining the current position and angle of the mobile terminal in the earth.
And S2, acquiring the camera lens data of the mobile terminal, and determining the current view range of the mobile terminal.
And S3, determining the astronomical object in the current view range according to preset star catalogue data.
And S4, performing image enhancement processing on the astronomical object in the current view range.
The method disclosed in the above embodiments of the present invention may be applied to the processor 901, or implemented by the processor 901. The processor 901 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by an integrated logic circuit of hardware or an instruction in the form of software in the processor 901. The processor 901 may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The processor 901 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 902, and the processor 901 reads the information in the memory 902 and performs the steps of the foregoing method in combination with the hardware thereof.
It is to be understood that the memory 902 of embodiments of the present invention may be either volatile memory or nonvolatile memory, and may include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic Random Access Memory (FRAM), a magnetic Random Access Memory (Flash Memory) or other Memory technologies, a Compact disc Read-Only Memory (CD-ROM), a Digital Versatile Disc (DVD), or other optical disc storage, magnetic cartridge, magnetic tape, magnetic Disk storage, or other magnetic storage devices; volatile Memory can be Random Access Memory (RAM), and by way of exemplary and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Double Data Rate Synchronous Random Access Memory (ESDRAM), Synchronous Link Dynamic Random Access Memory (SLDRAM), Direct Memory bus Random Access Memory (DRRAM). The described memory for embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
It should be noted that the above-mentioned embodiment of the mobile terminal and the embodiment of the method belong to the same concept, and the specific implementation process is described in detail in the embodiment of the method, and the technical features in the embodiment of the method are correspondingly applicable in the embodiment of the mobile terminal, which is not described herein again.
In addition, in an exemplary embodiment, an embodiment of the present invention further provides a computer storage medium, specifically a computer readable storage medium, for example, a memory 902 storing a computer program, where the computer storage medium stores one or more programs of an auxiliary shooting method for an astronomical image, and when the one or more programs of the auxiliary shooting method for an astronomical image are executed by a processor 901, the following steps of the auxiliary shooting method for an astronomical image provided by the embodiment of the present invention are implemented:
and S1, acquiring sensor data of the mobile terminal, and determining the current position and angle of the mobile terminal in the earth.
And S2, acquiring the camera lens data of the mobile terminal, and determining the current view range of the mobile terminal.
And S3, determining the astronomical object in the current view range according to preset star catalogue data.
And S4, performing image enhancement processing on the astronomical object in the current view range.
It should be noted that, the embodiment of the program of the method for assisting shooting of an astronomical image on the computer-readable storage medium and the embodiment of the method belong to the same concept, and the specific implementation process thereof is described in detail in the embodiment of the method, and the technical features in the embodiment of the method are correspondingly applicable in the embodiment of the computer-readable storage medium, and are not described again here.
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 (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.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. An auxiliary shooting method for astronomical images, which is characterized by comprising the following steps:
acquiring sensor data of a mobile terminal, and determining the current position and angle of the mobile terminal in the earth;
acquiring camera lens data of a mobile terminal, and determining the current viewing range of the mobile terminal;
determining the astronomical object in the current view-finding range according to preset star catalogue data;
and performing image enhancement processing on the astronomical object in the current view range.
2. The method of claim 1, wherein said obtaining sensor data of a mobile terminal, determining a location where the mobile terminal is currently located in the earth, comprises:
the method comprises the steps of obtaining GPS sensor data or WiFi module data of the mobile terminal, and determining the current position of the mobile terminal in the earth.
3. The method of claim 1, wherein said obtaining sensor data of a mobile terminal, determining an angle at which the mobile terminal is currently located in the earth, comprises:
acquiring gravity sensor data through a gravity sensor module of the mobile terminal;
acquiring data of a magnetic sensor through a magnetic sensor module of the mobile terminal;
and determining the shooting angle of the mobile terminal according to the gravity sensor data and the magnetic sensor data.
4. The method according to claim 1, wherein the camera lens data of the mobile terminal is acquired, and the camera lens data at least comprises a lens field angle and a digital zoom multiple.
5. The method of claim 4, wherein the determination of the astronomical object within the current viewing range is made based on preset ephemeris data; the method comprises the following steps:
acquiring preset star catalogue data;
for each celestial body in the preset star catalogue data, determining whether the celestial body is in the current view-finding interface or not according to the position information, the position and angle of the current mobile terminal, the field angle of a lens and the digital zoom multiple;
and acquiring all celestial bodies in the current view interface to form an all celestial body list.
6. The method of claim 5, wherein the image enhancement processing of the astronomical object within the current viewing range comprises:
selecting a current shooting mode;
shooting by using the selected shooting mode;
and according to all celestial body lists in the current view interface, performing image enhancement on the currently shot image.
7. The method of claim 6, wherein the image enhancement comprises at least one of: color enhancement, contour enhancement, trajectory enhancement.
8. The method of claim 1, wherein the method further comprises: and acquiring the current time, and calculating the current rotation angle of the earth according to the current time.
9. A mobile terminal, comprising: memory, processor and computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of a method for assisted shooting of astronomical images as claimed in any one of claims 1 to 8.
10. A storage medium, characterized in that the storage medium has stored thereon a program of a method for assisted photographing of an astronomical image, which when executed by a processor implements the steps of a method for assisted photographing of an astronomical image as set forth in any one of claims 1 to 8.
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