CN113301253B - Auxiliary shooting method for astronomical image, mobile terminal and storage medium - Google Patents
Auxiliary shooting method for astronomical image, mobile terminal and storage medium Download PDFInfo
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- CN113301253B CN113301253B CN202110551814.4A CN202110551814A CN113301253B CN 113301253 B CN113301253 B CN 113301253B CN 202110551814 A CN202110551814 A CN 202110551814A CN 113301253 B CN113301253 B CN 113301253B
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- 238000004364 calculation method Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 18
- 230000006854 communication Effects 0.000 description 12
- 238000004891 communication Methods 0.000 description 11
- 230000001360 synchronised effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
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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
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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
- H04N23/63—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
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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
- H04N23/66—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
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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
- H04N23/67—Focus control based on electronic image sensor signals
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Abstract
The invention discloses an auxiliary shooting method of an astronomical image, 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 view finding range of the mobile terminal; determining astronomical objects in the current view finding range according to preset star table data; and performing image enhancement processing on the astronomical object in the current view finding 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 related data of the preset star table of the astronomical system.
Description
Technical Field
The present invention relates to the field of mobile terminals, and in particular, to an auxiliary photographing method for astronomical images, a mobile terminal, and a storage medium.
Background
Currently, mobile terminals are increasingly popular, users using the mobile terminals are more and more, and users use the mobile terminals frequently in daily life, so that the mobile terminals become one of the mobile devices essential to the users, and the camera shooting functions of the mobile terminals are increasingly powerful, so that the camera shooting functions of the mobile terminals can be utilized to shoot various scenes.
Currently, when photographing using a mobile terminal, an object to be photographed generally includes astronomical attribute materials (e.g., sun, moon, star, etc.). When shooting the astronomical attribute materials, the shooting effect of the shot object is not ideal enough and is not good because the shooting effect is easily influenced by various factors such as hardware limitation, weather conditions, ambient light interference and the like of the mobile terminal; in addition, in some shooting scenes, shooting time is long, a photographer is often required to shoot for a period of up to several hours to obtain a good shooting effect, and auxiliary shooting equipment (such as a tripod, a star tracker and the like) must be used in the shooting period, for example, a shooting scene adopting a star rail mode is shot, and a star motion track with a good effect can be shot only by means of long-time (up to several hours) exposure of the tripod equipment, so that user experience is affected.
Disclosure of Invention
In view of this, the auxiliary shooting method for astronomical images, the mobile terminal and the storage medium provided by the embodiments of the present invention can shorten shooting time, improve shooting effect and further improve user experience according to the calculation of the sensor data of the mobile terminal and the related data of the preset star table of the astronomical system.
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 including:
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 view finding range of the mobile terminal;
determining astronomical objects in the current view finding range according to preset star table data;
and performing image enhancement processing on the astronomical object in the current view finding range.
According to another aspect of the present invention, there is provided a mobile terminal including: the method comprises the steps of a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the computer program is executed by the processor to realize the auxiliary shooting method of the astronomical image.
According to another aspect of the present invention, there is provided a storage medium having stored thereon a program of an auxiliary photographing method of an astronomical image, which when executed by a processor, implements the steps of the auxiliary photographing method of an astronomical image provided by the embodiment of the present invention.
Compared with the related art, the auxiliary shooting method for 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 finding range of the mobile terminal is determined by acquiring the shooting lens data of the mobile terminal, the astronomical object in the current view finding range is determined according to the preset star table data, and the image enhancement processing is carried out on the astronomical object in the current view finding range, so that the shooting time is shortened, the shooting effect is improved, and the user experience is further improved according to the sensor data of the mobile terminal and the preset star table related data of an astronomical system.
Drawings
Fig. 1 is a schematic hardware structure of a mobile terminal implementing various embodiments of the present invention.
Fig. 2 is a schematic diagram of a communication network system according to an embodiment of the present invention.
Fig. 3 is a flowchart of an auxiliary shooting method for astronomical images according to an embodiment of the present invention.
Fig. 4 is a flowchart of an auxiliary shooting method for astronomical images 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 achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the particular embodiments described herein are illustrative only and are not limiting upon the invention.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the foregoing drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The terminal may be implemented in various forms. For example, the terminals described in the present invention may include mobile terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs, desktop computers, and the like.
The following description will be given taking a mobile terminal as an example, and those skilled in the art will understand 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 a moving purpose.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention, the mobile terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an a/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. Those skilled in the art will appreciate that the mobile terminal structure shown in fig. 1 is not limiting of the mobile terminal and that the mobile terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
The following describes the components of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be used for receiving and transmitting signals during the information receiving or communication process, specifically, after receiving downlink information of the base station, processing the downlink information by the processor 110; and, the uplink data is transmitted to the base station. Typically, the 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 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication, global System for Mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (Code Division Multiple Access, CDMA 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division Duplex Long term evolution), and TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division Duplex Long term evolution), etc.
WiFi belongs to a short-distance wireless transmission technology, and a mobile terminal can help a user to send and receive e-mails, browse web pages, access streaming media and the like through the WiFi module 102, so that wireless broadband Internet access is provided for the user. Although fig. 1 shows a WiFi module 102, it is understood that it does not belong to the necessary constitution of a mobile terminal, and can be omitted entirely as required within a range that does not change 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 talk 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 (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the mobile terminal 100. The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive an audio or video signal. The a/V input unit 104 may include a graphics processor (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 graphics 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 can receive sound (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 101 in the case of a telephone 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 the audio signal.
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 and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 1061 and/or the backlight when the mobile terminal 100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.
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 (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 to generate key signal inputs related to user settings and function control of the mobile terminal. In particular, 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 touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 1071 or thereabout by using any suitable object or accessory such as a finger, a stylus, etc.) and drive the 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 azimuth 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 detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 110, and can receive and execute commands sent from the processor 110. Further, the touch panel 1071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 107 may include other input devices 1072 in addition to the touch panel 1071. 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, mouse, joystick, etc., as specifically not limited herein.
Further, the touch panel 1071 may overlay the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or thereabout, the touch panel 1071 is transferred to the processor 110 to determine the type of touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of touch event. Although in fig. 1, the touch panel 1071 and the display panel 1061 are two independent components for implementing the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 may be integrated with the display panel 1061 to implement the input and output functions of the mobile terminal, which is not limited herein.
The interface unit 108 serves as an interface through which at least one external device can be connected with the mobile terminal 100. For example, the external devices may include a wired or wireless headset port, an external power (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 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 100 and an external device.
Memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, 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 running 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 that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily 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 source 111 (e.g., a battery) for supplying power to the respective components, and preferably, the power source 111 may be logically connected to the processor 110 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through 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 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 will be described below.
Referring to fig. 2, fig. 2 is a schematic 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 general mobile communication 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, evolved packet core) 203, and an IP service 204 of an operator that are sequentially connected in communication.
Specifically, the UE201 may be the terminal 100 described above, and will not be described herein.
The E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. The eNodeB2021 may be connected with other eNodeB2022 by a backhaul (e.g., an X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide access from the UE201 to the EPC 203.
EPC203 may include MME (Mobility Management Entity ) 2031, hss (Home Subscriber Server, home subscriber server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, pgw (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function, policy and tariff function entity) 2036, and so on. The MME2031 is a control node that handles signaling between the UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location registers (not shown) and to hold user specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034 and PGW2035 may provide IP address allocation and other functions for UE201, PCRF2036 is a policy and charging control policy decision point for traffic data flows and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem ), or other IP services, etc.
Although the LTE system is described above as an example, it should be understood by those skilled in the art that the present invention is not limited to LTE systems, but may 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 the communication network system, various embodiments of the method of the present invention are provided.
In one embodiment, as shown in fig. 3, the present invention provides an auxiliary photographing method of astronomical images based on astronomical calculation, the method comprising:
s1, acquiring sensor data of a mobile terminal, and determining the current position and angle of the mobile terminal in the earth.
S2, acquiring camera lens data of the mobile terminal, and determining the current view finding range of the mobile terminal.
S3, determining an astronomical object in the current view finding range according to preset star table data.
S4, performing image enhancement processing on the astronomical object in the current view finding range.
In this 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 view finding range of the mobile terminal is determined by acquiring camera lens data of the mobile terminal, an astronomical object in the current view finding range is determined according to preset star table data, and image enhancement processing is performed on the astronomical object in the current view finding range, so that the shooting time is shortened, the shooting effect is improved, and further the user experience is improved according to the sensor data of the mobile terminal and the calculation of the related data of the preset star table of an astronomical system.
In one embodiment, in the step S1, the acquiring sensor data of the mobile terminal, determining a location of the mobile terminal in the earth currently includes:
s11, acquiring GPS sensor data or WiFi module data of the mobile terminal to determine the Position (Position) of the mobile terminal in the earth, wherein the Position comprises longitude and latitude information.
In this embodiment, GPS data is acquired through a GPS sensor of a mobile terminal, and longitude and latitude positions (positions) of the mobile terminal where the mobile terminal is currently located in the earth are determined.
And acquiring WiFi data through a WiFi module of the mobile terminal, and determining longitude and latitude Position (longitude) of the current Position of the mobile terminal in the earth.
In one embodiment, in the step S1, the acquiring sensor data of the mobile terminal, 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 force sensor data M through a magnetic force sensor module of the mobile terminal:
M＝{magneticyx,magneticyy,magneticyz}
s14, determining the shooting angle alpha of the mobile terminal according to the gravity sensor data and the magnetic sensor data.
α＝F 1 (G,M,Para 1 )
Wherein Para 1 Is 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 rotation according to the current time.
θ＝F 2 (T,Para 2 )
Wherein Para 2 Is a preset parameter list.
In one embodiment, in step S2, the current view-finding range of the mobile terminal is determined according to the acquired image capturing lens data of the mobile terminal. The image pickup lens data at least comprises a lens field angle FOV and a digital zoom multiple f.
In this embodiment, the current view range of the mobile terminal is determined by acquiring image pickup lens data such as the field angle FOV, the digital zoom factor f, and the like of the image pickup lens of the mobile terminal.
In one embodiment, in the step S3, the astronomical object in the current view range is determined according to preset star table data, where the astronomical object includes but is not limited to celestial bodies such as sun, moon, star group, and the like.
S31, acquiring preset star table data.
The preset star table data should include, but is not limited to, the following information:
StarList＝{S 1 ，S 2 ，S 3 ……S n }
S i ＝{index，location，brightness……}
location＝{RA，Dec}
wherein n is the total number of celestial bodies recorded in the star table, and index, location, brightness is the coding information, the position information and the brightness information of celestial bodies Si respectively; RA, dec is the location information of celestial body Si i And the right warp and weft declination of the pile are equal.
S32, for each celestial body Si in the preset star table data, determining whether the celestial body Si is in the current view finding interface according to the Position information positioning, the Position and the angle alpha of the current mobile terminal, the view angle FOV of the lens, the digital zoom multiple f and the like:
γ i ＝F 3 (FOV，f，α，θ，location i ，Para 3 )
wherein Para 3 Is a preset parameter list; gamma ray i When=0, si is not in the current view finding interface, γ i When=1, si is in the current view interface;
s33, acquiring all celestial bodies in the current view finding interface to form an all celestial body list.
In one embodiment, in the step S4, the performing image enhancement processing on the astronomical object in the current view range includes:
s41, selecting a current shooting mode.
In this embodiment, the shooting mode of the mobile terminal includes at least one of the following: star enhancement, star rail mode, moon mode.
And selecting a current shooting mode from the shooting modes of the mobile terminal according to shooting requirements.
S42, shooting by using the selected shooting mode.
In the shooting process, the selected shooting mode can be subjected to proper parameter adjustment so as to carry out shooting by the adjusted parameters.
S43, performing image enhancement on the currently shot image according to all celestial body lists in the current view finding interface, wherein the image enhancement comprises but is not limited to color enhancement, contour enhancement, track enhancement and the like.
And the color enhancement is carried out on the celestial body color in the currently shot image.
And the contour enhancement is used for carrying out image enhancement on the celestial body contour in the currently shot image.
And the track is enhanced, and the celestial track in the currently shot image is enhanced.
The technical scheme of the invention is further described in the following specific embodiment.
As shown in fig. 4, an embodiment of the present invention provides an auxiliary photographing method for astronomical images, including:
s501, judging whether the mobile terminal is started up with GPS currently, if so, turning to S502; if not, the process proceeds to S503.
S502, acquiring GPS data, and determining longitude and latitude information of the current position of the mobile terminal: position (x, y);
and S503, if the GPS is not started, judging whether the WIFI is started currently by the mobile terminal. If so, go to S504; if not, the process proceeds to S505.
And S504, if the WIFI is started, acquiring longitude and latitude information Position (location) of the current Position of the mobile terminal through the WIFI.
S505, prompting the user to start the GPS or the WIFI.
S506, acquiring gravity sensor data G through a gravity sensor module of the mobile terminal:
G＝{gracityx,gracityy,gracityz3}
s507, acquiring magnetic force sensor data M through a magnetic force sensor module of the mobile terminal:
M＝{magneticyx,magneticyy,magneticyz}
s508, determining a shooting angle alpha of the mobile terminal according to the gravity sensor data and the magnetic sensor data:
α＝F 1 (G，M，Para 1 )
wherein Para 1 Is a preset parameter list.
S509, acquiring the current time T, and calculating the current rotation angle theta of the earth rotation according to the current time T.
θ＝F 2 (T,Para 2 )
Wherein Para 2 Is a preset parameter list.
S510, acquiring preset star table data. The star table data should include, but is not limited to, the following information:
StarList＝{S 1 ，S 2 ，S 3 ……S n }
S i ＝{index，location，brightness……}
location i ＝{RA，Dec}
wherein n is the total number of celestial bodies recorded in the star table, and index, location, brightness is the coding information, the position information and the brightness information of celestial bodies Si respectively; RA, dec is the location information of celestial body Si i And the right warp and weft declination of the pile are equal.
S511, acquiring the field angle FOV and the digital zoom multiple f of the current photographing lens of the mobile terminal.
S512, for each celestial body Si in the preset star table data, determining whether the celestial body Si is in the current view finding interface according to the Position information positioning, the Position and the angle alpha of the current mobile terminal, the view angle FOV of the lens, the digital zoom multiple f and the like:
γ i ＝F 3 (FOV，f，α，θ，locationi，Para 3 )
wherein Para 3 Is a preset parameter list; gamma ray i When=0, si is not in the current view finding interface, γ i When=1, si is in the current view interface
S513, acquiring all celestial bodies in the current view finding interface to form an all celestial body list.
S514, selecting a current shooting mode, and shooting by using the selected shooting mode.
S515, performing image enhancement on the currently photographed image according to all celestial body lists in the current view finding interface, wherein the image enhancement includes but is not limited to color enhancement, contour enhancement, track enhancement and the like.
In this 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 view finding range of the mobile terminal is determined by acquiring camera lens data of the mobile terminal, an astronomical object in the current view finding range is determined according to preset star table data, and image enhancement processing is performed on the astronomical object in the current view finding range, so that the shooting time is shortened, the shooting effect is improved, and further the user experience is improved according to the sensor data of the mobile terminal and the calculation of the related data of the preset star table 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, the memory 902 and the processor 901 being coupled together by a bus system 903, the one or more computer programs when executed by the processor 901 implementing the following steps of a method for auxiliary shooting of an astronomical image provided by an embodiment of the present invention:
s1, acquiring sensor data of a mobile terminal, and determining the current position and angle of the mobile terminal in the earth.
S2, acquiring camera lens data of the mobile terminal, and determining the current view finding range of the mobile terminal.
S3, determining an astronomical object in the current view finding range according to preset star table data.
S4, performing image enhancement processing on the astronomical object in the current view finding range.
The method disclosed in the above embodiment 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 performed by instructions in the form of integrated logic circuits or software in hardware in the processor 901. The processor 901 may be a general purpose processor, 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 embodiments of the present invention. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiment of the invention can be directly embodied in the hardware of the 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 in a memory 902, and the processor 901 reads information in the memory 902, in combination with its hardware, to perform the steps of the method as described above.
It will be appreciated that the memory 902 of embodiments of the invention can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. The nonvolatile Memory may be Read-Only Memory (ROM), programmable Read-Only Memory (PROM, programmable Read-Only Memory), erasable programmable Read-Only Memory (EPROM), electrically Erasable Read-Only Memory (EEPROM, electrically Erasable Programmable Read-Only Memory), magnetic random access Memory (FRAM, ferromagnetic Random Access Memory), flash Memory (Flash Memory) or other Memory technology, compact disc Read-Only Memory (CD-ROM, compact Disk Read-Only Memory), digital versatile disc (DVD, digital Video Disk) or other optical disc storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices; volatile memory can be random access memory (RAM, random Access Memory), many forms of RAM being available by way of example and not limitation, such as static random access memory (SRAM, static Random Access Memory), static random access memory (SSRAM, synchronous Static Random Access Memory), dynamic random access memory (DRAM, dynamic Random Access Memory), synchronous dynamic random access memory (SDRAM, synchronous Dynamic Random Access Memory), double data rate synchronous dynamic random access memory (ddr SDRAM, double Data Rate Synchronous Dynamic Random Access Memory), enhanced synchronous dynamic random access memory (ESDRAM, enhanced Synchronous Dynamic Random Access Memory), synchronous link dynamic random access memory (SLDRAM, syncLink Dynamic Random Access Memory), direct memory bus random access memory (DRRAM, direct Rambus Random Access Memory). The memory described by 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 foregoing mobile terminal embodiments and the method embodiments belong to the same concept, the specific implementation process of the foregoing mobile terminal embodiments is detailed in the method embodiments, and technical features in the method embodiments are correspondingly applicable to the mobile terminal embodiments, which are not repeated herein.
In addition, in an exemplary embodiment, the present invention further provides a computer storage medium, specifically a computer readable storage medium, for example, including a memory 902 storing a computer program, where one or more programs of an auxiliary photographing method of an astronomical image are stored, where the one or more programs of the auxiliary photographing method of an astronomical image are executed by a processor 901 to implement the following steps of the auxiliary photographing method of an astronomical image provided in the embodiment of the present invention:
s1, acquiring sensor data of a mobile terminal, and determining the current position and angle of the mobile terminal in the earth.
S2, acquiring camera lens data of the mobile terminal, and determining the current view finding range of the mobile terminal.
S3, determining an astronomical object in the current view finding range according to preset star table data.
S4, performing image enhancement processing on the astronomical object in the current view finding range.
It should be noted that, the program embodiment and the method embodiment of an auxiliary shooting method for astronomical images on the computer readable storage medium belong to the same concept, the specific implementation process of the program embodiment is detailed in the method embodiment, and the technical features in the method embodiment are correspondingly applicable in the embodiment of the computer readable storage medium, which is not repeated herein.
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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (6)
1. An auxiliary shooting method of 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, wherein the method comprises the following steps: acquiring GPS sensor data or WiFi module data of a mobile terminal, and determining the current position of the mobile terminal in the earth; acquiring gravity sensor data through a gravity sensor module of the mobile terminal; acquiring magnetic force sensor data through a magnetic force sensor module of the mobile terminal; determining a shooting angle of the mobile terminal according to the gravity sensor data and the magnetic sensor data;
acquiring camera lens data of a mobile terminal, and determining the current view finding range of the mobile terminal, wherein the camera lens data at least comprises a lens field angle and a digital zoom multiple; determining astronomical objects in the current view finding range according to preset star table data; comprising the following steps: acquiring preset star table data; for each celestial body in preset star table data, determining whether the celestial body is in a current view finding interface or not according to the position information of the celestial body, the position and the angle of the current mobile terminal, the field angle of view of a lens and the digital zoom multiple; acquiring all celestial bodies in a current view finding interface to form an all celestial body list; and performing image enhancement processing on the astronomical object in the current view finding range.
2. The method of claim 1, wherein the image enhancement processing of the astronomical object in the current view range comprises:
selecting a current shooting mode;
shooting by using the selected shooting mode;
and carrying out image enhancement on the currently shot image according to all celestial body lists in the current view finding interface.
3. The method of claim 2, wherein the image enhancement comprises at least one of: color enhancement, contour enhancement, trajectory enhancement.
4. The method of claim 1, wherein the method further comprises: and acquiring the current time, and calculating the current rotation angle of the earth rotation according to the current time.
5. A mobile terminal, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of a method for auxiliary shooting of an astronomical image according to any one of claims 1 to 4.
6. A storage medium, wherein a program of an auxiliary photographing method of an astronomical image is stored on the storage medium, and the program of the auxiliary photographing method of an astronomical image realizes the steps of the auxiliary photographing method of an astronomical image according to any one of claims 1 to 4 when executed by a processor.
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