CN113347371A - Photographing method, flash lamp module, mobile terminal and readable storage medium - Google Patents
Photographing method, flash lamp module, mobile terminal and readable storage medium Download PDFInfo
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/72—Combination of two or more compensation controls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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Abstract
The application relates to a photographing method, a flash module, a mobile terminal and a readable storage medium, wherein the flash module comprises a light-emitting element, an adjusting component and a light guide; the light guide member is arranged on the light emitting side of the light emitting element and used for guiding the light emitted by the light emitting element to form a light focus; the adjusting component is connected with the light guide member and/or the light-emitting element and is used for adjusting the relative position between the light-emitting element and the light guide member so that the guiding angle of the light emitted by the light-emitting element by the light guide member is changed to change the position of the light focus. The utility model provides a flash light module is through the focus position adjustment flash of light scope that changes the flash of light for light filling uniform range is wide when the wide angle is shot, and the light filling is concentrated luminance height when long burnt is shot, has promoted the effect of shooing.
Description
Technical Field
The application relates to the technical field of photographing, in particular to a photographing method, a flash lamp module, a mobile terminal and a readable storage medium.
Background
With the rapid development of mobile terminal technology, the photographing function of mobile terminals such as mobile phones and tablet computers is also improved, and the mobile terminal becomes one of the common tools in daily life and work of people.
In the course of conceiving and implementing the present application, the inventors found that at least the following problems existed: when shooting in different scenes, the flash lamp can only be controlled to be on or off, and the flash lamp light supplementing function cannot be accurately controlled. For example, a fixed focus flash lamp is used for supplementing light to a distant view and a close view, and long-focus and short-focus switching of the flash lamp cannot be realized. Further, when a long-distance scene is shot, the light supplement range is insufficient, and the edge of the scene is dark due to no light; when a close shot is shot, the light supplement is not concentrated enough, the imaging brightness is low, and the like, so that the shooting effect is influenced.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
In view of the above technical problems, the present application provides a photographing device, a photographing method, a flash lamp module, a mobile terminal and a readable storage medium, wherein a flash range is adjusted by changing a focus position of a flash lamp, so that a uniform light supplementing range is wide during wide-angle photographing, and the light supplementing concentration brightness is high during telephoto photographing, thereby improving a photographing effect.
In order to solve the above technical problem, the present application provides a flash module, including a light emitting element, an adjusting assembly, and a light guide;
the light guide member is arranged on the light emitting side of the light emitting element and used for guiding the light emitted by the light emitting element to form a light focus;
the adjusting component is connected with the light guide member and/or the light-emitting element and is used for adjusting the relative position between the light-emitting element and the light guide member, so that the guiding angle of the light emitted by the light-emitting element by the light guide member is changed, and the position of the light focus is changed.
Optionally, the flashlight module further includes a bracket, the adjusting assembly is movably fixed on the bracket, the light guide is fixed on the adjusting assembly, and the light guide moves under the driving of the adjusting assembly to adjust the relative distance between the light emitting element and the light guide.
Optionally, the adjusting assembly includes a zoom motor and a guide coil, the guide coil is fixed on the bracket, and the zoom motor is screwed with the guide coil; when the guide coil is electrified, the zooming motor reciprocates in the bracket along the axial direction of the guide coil; the light guide is provided on the zoom motor to move in synchronization with the zoom motor.
Optionally, the light emitting element is fixed to the bracket, and a hole for accommodating the light emitting element is formed in the center of a side surface of the light guide member close to the light emitting element.
Optionally, the light guide is hollow inside, and the inner surface of the peripheral side of the light guide is used for reflecting the light emitted by the light emitting element.
Optionally, the area of the side surface of the light guide close to the light emitting element is smaller than the area of the side surface far from the light emitting element, and the inner surface of the peripheral side of the light guide is a concave mirror for reflecting light.
The application also provides a photographing device which comprises a camera module and at least one flash lamp module.
Optionally, the photographing device includes at least two flash modules, and the adjustable distance ranges between the light emitting elements of at least a part of the flash modules and the corresponding light guides are different, so as to form different light focal length ranges.
The application also provides a photographing device, which comprises a camera module and at least two flash lamp modules, wherein at least one part of the at least two flash lamp modules has different light focal lengths.
Optionally, the camera module further comprises a laser ranging radar to measure the focal length of the camera.
The application also provides a photographing method applied to the mobile terminal, and the photographing method comprises the following steps:
acquiring focal length information of a camera focusing a target to be shot;
determining the light focal length of the flash lamp module according to the focal length information;
and controlling the corresponding flash lamp module to supplement light according to the light focal length.
Optionally, the mobile terminal includes a flash lamp module as described above, and the controlling the corresponding flash lamp module according to the flash focal length to supplement light includes:
determining a relative distance of the light emitting element from the light guide according to the flash focal length;
controlling the adjusting component to work, so that the adjusting component moves the light guide part to a corresponding position according to the relative distance;
and controlling the light-emitting element to supplement light.
Optionally, the mobile terminal includes at least two flash lamp modules as described above, where preset adjustable distance ranges between at least one part of the light emitting elements of the at least two flash lamp modules and the corresponding light guide member are different, so as to form different light focal length ranges, and the controlling of the corresponding flash lamp modules according to the flash focal lengths to perform light supplement includes:
determining a relative distance of the light emitting element from the light guide according to the flash focal length;
determining a target flash lamp module according to the preset distance range to which the relative distance belongs;
controlling an adjusting component of the target flash module to work, and enabling the adjusting component to move a corresponding light guide to a corresponding position according to the relative distance;
and controlling a light-emitting element of the target flash lamp module to supplement light.
Optionally, the mobile terminal includes at least two flash lamp modules, at least a part has different light focal lengths in at least two flash lamp modules, according to flash lamp module that flash focal length control corresponds carries out the light filling, include:
determining a target flash lamp module according to the flash focal length;
and controlling the target flash lamp module to supplement light.
The present application further provides a mobile terminal, including: the system comprises a memory and a processor, wherein the memory stores a photographing program, and the photographing program realizes the steps of the method when being executed by the processor.
The present application also provides a readable storage medium storing a computer program which, when executed by a processor, performs the steps of the method as described above.
As described above, the photographing apparatus, method, flash module, mobile terminal and readable storage medium of the present application, the flash module includes a light emitting element, an adjustment assembly and a light guide; the light guide member is arranged on the light emitting side of the light emitting element and used for guiding the light emitted by the light emitting element to form a light focus; the adjusting component is connected with the light guide member and/or the light-emitting element and is used for adjusting the relative position between the light-emitting element and the light guide member so that the guiding angle of the light emitted by the light-emitting element by the light guide member is changed to change the position of the light focus. The utility model provides a flash light module is through the focus position adjustment flash of light scope that changes the flash of light for light filling uniform range is wide when the wide angle is shot, and the light filling is concentrated luminance height when long burnt is shot, has promoted the effect of shooing.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic hardware structure diagram of a mobile terminal implementing various embodiments of the present application;
fig. 2 is a communication network system architecture diagram according to an embodiment of the present application;
fig. 3 is one of the schematic structural views of the flash module according to the first embodiment;
FIG. 4 is a second schematic structural diagram of the flash module according to the first embodiment;
fig. 5 is one of the configuration diagrams of the photographing apparatus according to the second embodiment;
fig. 6 is a second schematic structural view of the photographing apparatus according to the second embodiment;
fig. 7 is a flowchart illustrating a photographing method according to a third embodiment.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of flash modules and methods consistent with certain aspects of the present application, as detailed in the appended claims.
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 flashlight module 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 flashlight module. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or flash module that comprises the element, and further, where similarly-named elements, features, or elements in different embodiments of the disclosure may have the same meaning, or may have different meanings, the specific meaning of which should be determined by its interpretation in the embodiment or by further context with the embodiment.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or," "and/or," "including at least one of the following," and the like, as used herein, are to be construed as inclusive or mean any one or any combination. For example, "includes at least one of: A. b, C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C ", again for example," A, B or C "or" A, B and/or C "means" any of the following: a; b; c; a and B; a and C; b and C; a and B and C'. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.
It should be understood that, although the steps in the flowcharts in the embodiments of the present application are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, in different orders, and may be performed alternately or at least partially with respect to other steps or sub-steps of other steps.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It should be noted that, step numbers such as 301 and 302 are used herein for the purpose of more clearly and briefly describing the corresponding content, and do not constitute a substantial limitation on the sequence, and those skilled in the art may perform 302 first and then 301 in specific implementation, but these should be within the scope of the present application.
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of description of the present application, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.
The mobile terminal may be implemented in various forms. For example, the mobile terminal described in the present application may include mobile terminals 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 flash module, a wearable device, a smart band, a pedometer, and the like, and fixed mobile terminals such as a Digital TV, a desktop computer, and the like.
The following description will be given taking a mobile terminal as an example, and it will be understood by those skilled in the art that the configuration according to the embodiment of the present application can be applied to a mobile terminal of a fixed type, in addition to elements particularly used for moving 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 application, 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 capture flash module (e.g., a camera) in a video capture mode or an image capture 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. Optionally, the light sensor includes an ambient light sensor that may adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 1061 and/or the 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. Alternatively, 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, can collect touch operations performed by a user (e.g., operations performed by the user on the touch panel 1071 or near the touch panel 1071 using any suitable object or accessory such as a finger or a stylus), and drive the connected flash module according to a preset program. The touch panel 1071 may include two parts of a touch detection flash module and a touch controller. Optionally, the touch detection flash module detects a touch direction of a user, detects a signal caused by touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection flash module, 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. Optionally, 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 thereto.
Alternatively, 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 flash module can be connected with the mobile terminal 100. For example, the external flash module 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 flash module having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and so forth. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external flash module 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 the external flash module.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a program storage area and a data storage area, and optionally, the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, and the like) required by at least one function, 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 and a modem processor, optionally, the application processor mainly handles operating systems, user interfaces, application programs, etc., and the modem processor 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 application, a communication network system on which the mobile terminal of the present application 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 disclosure, 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.
Optionally, the UE201 may be the mobile terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Alternatively, the eNodeB2021 may be connected with other enodebs 2022 through a 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. Optionally, the MME2031 is a control node that handles signaling between the UE201 and the EPC203, providing 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 application 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, various embodiments of the present application are provided.
First embodiment
Please refer to fig. 3, which is a schematic diagram illustrating a flash module according to a first embodiment. The flash module 40 of the present embodiment includes a light emitting element 400, a light guide 410, an adjustment member 420, and a supporter 430. The light emitting element 400 may be a light emitting element such as an LED, and one side thereof is fixed to the holder 430, and the other side thereof is a light emitting side. The light guide 410 is disposed on the light emitting side of the light emitting element 400, and guides the light emitted from the light emitting element 400 such that the light passes through the light transmitting sheet 440 to form a light focus. The light-transmitting sheet 440 may be a lampshade or a soft light sheet.
In one embodiment, the center of the side of the light guide 410 near the light emitting element 400 is provided with a hole for accommodating the light emitting element 400, the hole being slightly larger than the sectional area of the light emitting element 400 to reduce light loss in the light guide 410. The light guide 410 is hollow inside, and the circumferential inner surface of the light guide 410 is opaque and coated with a light reflecting material to reflect light emitted from the light emitting element 400. The area of the side surface of the light guide 410 close to the light emitting element 400 is smaller than the area of the side surface far from the light emitting element 400, and the inner surface of the peripheral side of the light guide 410 is a concave mirror for light reflection, so that the light of the light emitting element 400 is converged inside the light guide 410 and forms a focus outside the light transmitting sheet 440.
Optionally, the adjusting component 420 is connected to the light guide 410 and/or the light emitting element 400, and is used for adjusting the relative position, including the relative angle and/or the relative distance, between the light emitting element 400 and the light guide 410, so that the guiding angle of the light emitted by the light emitting element 400 by the light guide 410 is changed to change the position of the light focus.
In one embodiment, the adjustment assembly 420 is coupled to the light guide 410. The adjusting assembly 420 is movably fixed on the bracket 430, the light guide 410 is fixed on the adjusting assembly 420, and the light guide 410 can move under the driving of the adjusting assembly 420 to adjust the relative distance between the light emitting element 400 and the light guide 410. Optionally, the adjustment assembly 420 includes a zoom motor 422 and a guide coil 421, the guide coil 421 being fixed to the support 430. The zoom motor 422 and the guide coil 421 are respectively provided with threads matched with each other, and the zoom motor 422 and the guide coil 421 are connected through the threads to accurately move the zoom motor. When the guide coil 421 is energized, the zoom motor 422 reciprocates in the holder 430 in the axial direction of the guide coil 421. The light guide 410 is disposed on the zoom motor 422, and the zoom motor 422 moves on the support 430 to drive the light guide 410 to move synchronously, so as to change the distance between the light guide 410 and the light emitting element 400.
The light emitting element 400 and the bracket 430 are fixed, and the light guide 410 and the adjusting assembly 420 can be regarded as a zoom module as a whole, and the zoom module reciprocates in the bracket 430 to adjust the relative distance between the light guide 410 and the light emitting element 400, so as to change the focal distance during light supplement of the flash module 40. In practical application, the zoom module can be installed in a mobile terminal alone, and the change of the flash focal length is realized by changing the position relationship between the light-emitting element 400 and the zoom module in the mobile terminal through movement. Alternatively, the flash module 40 in the present embodiment may be integrally incorporated in the mobile terminal, simplifying the assembly operation.
Referring to fig. 4, the light guide 410 is driven by the adjusting assembly 420 to approach the light emitting element 400, so that the focal position of the flash module 40 moves. Therefore, the flash focal length of the flash module 40 in fig. 4 is smaller than that in fig. 3. In practical implementation, the focal length of the flash lamp module 40 in fig. 4 can be used to match with a shot close-range image, so that light is uniform during shooting of the close-range image, the light supplement range is wide, and the problem that the center of the image is overexposed and dark corners exist around the image due to the fact that the focal length of the flash lamp is too long during shooting of a wide-angle image can be effectively avoided. The focal length of the flash lamp module 40 in fig. 3 is used for shooting a long-range image, so that light is concentrated when the long-range image is shot, the light supplementing brightness is high, and the problem of insufficient power of a flash lamp caused by too short focal length of the flash lamp when a long-focus image is shot can be effectively solved. In this way, the flash lamp module 4 of this embodiment can use different focus light fillings to close range and distant view respectively, has promoted the effect of shooing greatly.
The flashlight module of the embodiment of the application comprises a light-emitting element, an adjusting component and a light guide piece; the light guide member is arranged on the light emitting side of the light emitting element and used for guiding the light emitted by the light emitting element to form a light focus; the adjusting component is connected with the light guide member and/or the light-emitting element and is used for adjusting the relative position between the light-emitting element and the light guide member so that the guiding angle of the light emitted by the light-emitting element by the light guide member is changed to change the position of the light focus. The flash light module of this embodiment is through the focus adjustment flash light scope that changes the flash light for the light filling uniform range is wide when the wide angle is shot, and the light filling is concentrated luminance height when the long burnt is shot, has promoted the effect of shooing.
Second embodiment
The photographing apparatus of the present embodiment includes a camera module 50 and at least one flash module 40 as described in the first embodiment.
Optionally, the photographing apparatus includes a plurality of flash modules 40, and the adjustable distance ranges between the light emitting elements of at least a part of the plurality of flash modules and the corresponding light guides are different, forming different light focal length ranges. For example, the focal ranges of the light rays of all the four flash lamp modules may be different from each other; the light focal length ranges of two flash lamp modules are different from each other, and the light focal length ranges of the other two flash lamp modules are the same and different from the light focal length ranges of the two previous flash lamp modules, so that the requirements of light focal length selection and light intensity are met. The camera module 50 is provided with a plurality of sets of flash lamp modules corresponding to different focal lengths, so that the flash focal length can be determined according to the photographing focal length of the camera module 50, and the focal length range includes the flash lamp module with the flash focal length. Then adjust the relative distance of light direction piece and light emitting component in this flash light module group, make the focus of flashing light unanimous with the focus of shooing, promote the light filling effect of the device of shooing.
As shown in fig. 5, the camera module 50 is configured with two sets of flash modules, corresponding to a long focus section and a short focus section, respectively. When taking a picture, after the camera module 50 is focused, whether the type of the flash lamp module 40 is a long focus section or a short focus section is judged according to the focal length of the camera module 50. The relative distance between the light guide and the light emitting element in the corresponding flash module 40 is determined and adjusted, and then light is supplemented using the flash module. For example, when the photographing device photographs a close scene, the focal length focused by the camera module 50 belongs to the short focus section, and then the flash module 40 corresponding to the short focus section is controlled to operate, so that the flash focal length is consistent with the photographing focal length, and then light is supplemented, and the other flash module corresponding to the long focus section is kept closed.
As shown in fig. 6, the camera module 50 is configured with four sets of flash modules, which can respectively correspond to flash focal lengths in different focal length ranges, and can be divided into a first focal length flash module, a second focal length flash module, a third focal length flash module, and a fourth focal length flash module. When taking a picture, after the camera module 50 is focused, the flash module 40 which needs to be used correspondingly is determined according to the angle range to which the focal length of the camera module 50 belongs. Then, the relative distance between the light guide and the light emitting element in the flash module is adjusted to make the flash focal length consistent with the photographing focal length, and the rest of the flash modules 40 are kept closed. For example, when the photographing device photographs a distant view, the focal length of the camera module 50 is the third focal length, and then the third focal length flash module is controlled to operate, so that the flash focal length is consistent with the photographing focal length, and then light is supplemented, and other flash modules are kept closed.
Optionally, the photographing device may further include a camera module and a plurality of conventional flash modules, wherein at least a portion of the plurality of flash modules have different focal lengths of light. During actual implementation, the camera module further comprises a laser ranging radar so as to accurately measure the focal length of the camera module. And then directly determining and using a flash lamp module for supplementing light corresponding to the photographing focal length according to the photographing focal length of the photographing module.
Third embodiment
Referring to fig. 7, the photographing method of the embodiment is applied to a mobile terminal, and includes:
301, acquiring focal length information of a camera focusing a target to be shot;
and step 303, controlling the corresponding flash lamp module to supplement light according to the light focal length.
In an embodiment, a mobile terminal including a flash module according to the first embodiment controls the flash module to fill light according to a flash focal length, including:
determining the relative distance between the light-emitting element and the light guide according to the flash focal length;
controlling the adjusting component to work, and enabling the adjusting component to move the light guide piece to a corresponding position according to the relative distance;
and controlling the light-emitting element to supplement light.
When the mobile terminal takes a picture, the focal length information of the target to be shot in the camera is focused to the flash lamp module. After the flash lamp module receives the signal, the light guide piece is moved to enable the flash focal length to be matched with the focal length information of the camera through controlling the adjusting component, and therefore zooming and light supplementing of the flash lamp module are achieved.
In an embodiment, the mobile terminal includes a plurality of flash modules as described in the first embodiment, and the adjustable preset distance ranges between the light emitting elements of at least a part of the plurality of flash modules and the corresponding light guides are different, so as to form different focal length ranges of light rays. Carry out the light filling according to the flash light module that flash of light focus control corresponds, include:
determining the relative distance between the light-emitting element and the light guide according to the flash focal length;
determining a target flash lamp module according to the preset distance range to which the relative distance belongs;
controlling an adjusting component of the target flash lamp module to work, and enabling the adjusting component to move the corresponding light guide piece to a corresponding position according to the relative distance;
and controlling a light-emitting element of the target flash lamp module to supplement light.
The mobile terminal comprises a plurality of flash lamp modules which respectively correspond to different focal length ranges. And during shooting, determining a corresponding flash focal length according to the focal length information of the camera, and determining a target flash lamp module comprising the flash focal length. Then, the relative distance between the light guide piece and the light-emitting element in the flash lamp module is adjusted to enable the flash focal length to be consistent with the photographing focal length, so that the light supplementing effect of the photographing device is improved.
In one embodiment, the mobile terminal includes a plurality of flash lamp modules, and at least a part has different light focus in a plurality of flash lamp modules, carries out the light filling according to the flash lamp module that flash focus control corresponds, includes:
determining a target flash lamp module according to the flash focal length;
and controlling the target flash lamp module to supplement light.
The mobile terminal can further comprise a camera module and a plurality of conventional flash modules, wherein at least one part of the flash modules has different light focal lengths. During actual implementation, the camera module further comprises a laser ranging radar so as to accurately measure the focal length of the camera module. And then determining a corresponding flash focal length according to the photographing focal length of the camera, and determining and using a flash lamp module corresponding to the flash focal length for light supplement.
The photographing method of the embodiment is applied to a mobile terminal, and comprises the following steps: acquiring focal length information of a camera focusing a target to be shot; determining the light focal length of the flash lamp module according to the focal length information; and controlling the corresponding flash lamp module to supplement light according to the light focal length. The method of shooing of this embodiment is through using one set or more sets of flash light module with flash of light focus adjustment flash of light scope when changing and shooing for the light filling uniform range is wide when the wide angle is shot, and the luminance is high in the light filling concentration when the long focus is shot, has promoted the effect of shooing.
The application further provides a mobile terminal device, the mobile terminal device includes a memory and a processor, the memory stores a photographing program, and the photographing program is executed by the processor to implement the steps of the photographing method in any of the above embodiments.
The present application further provides a computer-readable storage medium, in which a photographing program is stored, and when the photographing program is executed by a processor, the steps of the photographing method in any of the above embodiments are implemented.
In the embodiments of the mobile terminal and the computer-readable storage medium provided in the present application, all technical features of the embodiments of the photographing method are included, and the expanding and explaining contents of the specification are basically the same as those of the embodiments of the method, and are not described herein again.
Embodiments of the present application also provide a computer program product, which includes computer program code, when the computer program code runs on a computer, the computer is caused to execute the method in the above various possible embodiments.
Embodiments of the present application further provide a chip, which includes a memory and a processor, where the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a device in which the chip is installed executes the method in the above various possible embodiments.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
The steps in the method of the embodiment of the application can be sequentially adjusted, combined and deleted according to actual needs.
The units in the device in the embodiment of the application can be merged, divided and deleted according to actual needs.
In the present application, the same or similar term concepts, technical solutions and/or application scenario descriptions will be generally described only in detail at the first occurrence, and when the description is repeated later, the detailed description will not be repeated in general for brevity, and when understanding the technical solutions and the like of the present application, reference may be made to the related detailed description before the description for the same or similar term concepts, technical solutions and/or application scenario descriptions and the like which are not described in detail later.
In the present application, each embodiment is described with emphasis, and reference may be made to the description of other embodiments for parts that are not described or illustrated in any embodiment.
The technical features of the technical solution of the present application may be arbitrarily combined, and for brevity of description, all possible combinations of the technical features in the embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present application should be considered as being described in the present application.
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 application may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a mobile terminal device (e.g., a mobile phone, a computer, a server, a controlled mobile terminal, or a network device) to execute the method of each embodiment of the present application.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The procedures or functions according to the embodiments of the present application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital subscriber line) or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, memory Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (12)
1. A flash module, comprising a light emitting element, an adjustment member and a light guide;
the light guide member is arranged on the light emitting side of the light emitting element and used for guiding the light emitted by the light emitting element to form a light focus;
the adjusting component is connected with the light guide member and/or the light-emitting element and is used for adjusting the relative position between the light-emitting element and the light guide member, so that the guiding angle of the light emitted by the light-emitting element by the light guide member is changed, and the position of the light focus is changed.
2. The flash module of claim 1 further comprising a bracket, wherein the adjusting assembly is movably fixed to the bracket, and the light guide is fixed to the adjusting assembly and moves with the adjusting assembly to adjust the relative distance between the light emitting element and the light guide.
3. The flash module of claim 2 wherein the light emitting element is secured to the bracket and the light guide has a hole in a side center thereof proximate the light emitting element for receiving the light emitting element.
4. The flash module of claim 2 wherein the adjustment assembly includes a zoom motor and a guide coil, the guide coil being secured to the bracket, the zoom motor being threadably engaged with the guide coil; when the guide coil is electrified, the zooming motor reciprocates in the bracket along the axial direction of the guide coil; the light guide is provided on the zoom motor to move in synchronization with the zoom motor.
5. The flash module of any of claims 1-3 wherein the light guide is hollow inside and the peripheral side inner surface of the light guide is configured to reflect light emitted from the light emitting element.
6. The flash module of claim 1 wherein the light guide has a smaller area on the side closer to the light-emitting element than on the side farther from the light-emitting element, and the peripheral side inner surface of the light guide is a concave mirror for light reflection.
7. A photographing method is applied to a mobile terminal, and is characterized in that the photographing method comprises the following steps:
acquiring focal length information of a camera focusing a target to be shot;
determining the light focal length of the flash lamp module according to the focal length information;
and controlling the corresponding flash lamp module to supplement light according to the light focal length.
8. The photographing method of claim 7, wherein the controlling a corresponding flash module according to the flash focal length for supplementing light comprises:
determining the relative distance between the light-emitting element and the light guide according to the flash focal length;
controlling an adjusting component to work, so that the adjusting component moves the light guide part to a corresponding position according to the relative distance;
and controlling the light-emitting element to supplement light.
9. The method of claim 7, wherein the adjustable predetermined distance ranges between at least a portion of the light emitting elements of at least two flash modules and the corresponding light guide are different, so as to form different light focal length ranges, and the controlling the corresponding flash modules according to the flash focal length for light supplement comprises:
determining a relative distance of the light emitting element from the light guide according to the flash focal length;
determining a target flash lamp module according to the preset distance range to which the relative distance belongs;
controlling an adjusting component of the target flash module to work, and enabling the adjusting component to move a corresponding light guide to a corresponding position according to the relative distance;
and controlling a light-emitting element of the target flash lamp module to supplement light.
10. The photographing method according to claim 7, wherein the mobile terminal includes at least two flash modules, at least a portion of the at least two flash modules has different light focal lengths, and controlling the corresponding flash module according to the flash focal length to supplement light includes:
determining a target flash lamp module according to the flash focal length;
and controlling the target flash lamp module to supplement light.
11. A mobile terminal, characterized in that the mobile terminal comprises: memory, processor, wherein the memory has stored thereon a photographing program which when executed by the processor implements the steps of the photographing method of any of claims 7 to 10.
12. A readable storage medium, characterized in that the readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps of the photographing method according to any one of claims 7 to 10.
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CN202110681377.8A CN113347371A (en) | 2021-06-18 | 2021-06-18 | Photographing method, flash lamp module, mobile terminal and readable storage medium |
PCT/CN2021/132199 WO2022262192A1 (en) | 2021-06-18 | 2021-11-22 | Photographing method, flash module, mobile terminal, and readable storage medium |
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WO2022262192A1 (en) * | 2021-06-18 | 2022-12-22 | 深圳传音通讯有限公司 | Photographing method, flash module, mobile terminal, and readable storage medium |
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