CN107241504B - Image processing method, mobile terminal and computer readable storage medium - Google Patents
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- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
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Abstract
The embodiment of the invention provides an image processing method, which comprises the following steps: acquiring a plurality of shot images; determining whether the plurality of images and a preview image of a next image to be photographed are the same image; when the plurality of images and the preview image of the next image to be shot are determined to be the same image, acquiring image elements to be adjusted on the preview image; and adjusting the display effect of the image element to be adjusted. The embodiment of the invention also provides the mobile terminal and a computer readable storage medium. By the technical scheme of the embodiment of the invention, the shooting effect of the image can be automatically adjusted under the condition that the user is still unsatisfied in shooting for multiple times, a satisfactory shot image is provided for the user, and the experience of the user is increased.
Description
Technical Field
Embodiments of the present invention relate to an intelligent terminal technology, and in particular, to an image processing method, a mobile terminal, and a computer-readable storage medium.
Background
The method for taking pictures through the mobile terminal is a main shooting mode at present, but in the process of taking pictures, users often need to repeatedly take pictures for many times because the obtained images have poor effects on parameters such as color, brightness and the like, and often cannot obtain ideal shooting effects after the pictures are taken for many times.
Disclosure of Invention
In view of the foregoing technical problems, embodiments of the present invention provide an image processing method, a mobile terminal, and a computer-readable storage medium, which can automatically adjust a shooting effect of an image when a user is still unsatisfied with shooting for multiple times, so as to increase user experience.
In order to achieve the object of the present invention, an embodiment of the present invention provides an image processing method, including:
acquiring a plurality of shot images;
determining whether the plurality of images and a preview image of a next image to be photographed are the same image;
when the plurality of images and the preview image of the next image to be shot are determined to be the same image, acquiring image elements to be adjusted on the preview image;
and adjusting the display effect of the image element to be adjusted.
Optionally, determining whether the plurality of images and the preview image of the next image to be captured are the same image comprises:
performing region division on each image in the plurality of images according to the color parameters to obtain a plurality of image regions on each image; dividing the preview image into areas according to the color parameters to obtain a plurality of preview image areas on the preview image;
comparing a plurality of image areas divided from each image with a plurality of preview image areas respectively;
and when the similarity between the plurality of image areas divided from each image and the plurality of preview image areas is larger than or equal to a preset similarity threshold value, determining that the plurality of images and the preview image of the next image to be shot are the same image.
Optionally, the acquiring the image element to be adjusted on the preview image includes:
detecting a photographing mode for photographing a preview image;
extracting corresponding characteristic elements from a plurality of preview image areas divided from the preview image according to a shooting mode;
and determining the extracted corresponding characteristic elements as the image elements to be adjusted.
Optionally, the shooting mode includes: portrait mode, star-orbit mode or time-delay mode;
the characteristic elements respectively corresponding to the portrait mode, the star-orbit mode and the delay mode comprise: human face, star movement track and light track.
Optionally, extracting the corresponding feature elements from the plurality of preview image regions divided from the preview image according to the photographing mode includes:
when the shooting mode is a portrait mode, extracting image elements of a face part by adopting a face recognition algorithm;
when the shooting mode is a star-orbit mode, extracting image elements of a fixed star moving track part by adopting a point feature extraction algorithm;
and when the shooting mode is a delay mode, extracting image elements of the light ray track part by adopting a point feature extraction algorithm.
Optionally, the method further comprises: before the display effect of the image element to be adjusted is adjusted, detecting the frequency of the image element to be adjusted appearing in a plurality of images, and adding 1 to the level of the image element to be adjusted when the frequency of the image element to be adjusted appearing is added with 1; when the number of the appearance times of the image elements to be adjusted is m, the image elements to be adjusted correspond to m levels, and m is a positive integer;
the level of the image element to be adjusted corresponds to the adjustment times and the adjustment strength of the image element to be adjusted; the higher the level of the image element to be adjusted is, the more the adjustment times of the image element to be adjusted is, and the greater the adjustment force is.
Optionally, adjusting the display effect of the image element to be adjusted includes:
when the level of the image element to be adjusted is n, adjusting the display effect of the image element to be adjusted for n times, and generating n corresponding adjusted images; wherein, each image in the n adjusted images is adjusted according to one of the n adjusting forces respectively, and the adjusting forces of each image are different from each other; n is a positive integer.
Optionally, the method further comprises:
after acquiring the n adjusted images, determining one or more images from the n adjusted images as final saved images according to the selection operation of the user.
Optionally, the display effect includes: brightness, contrast, and/or color.
In order to achieve the object of the present invention, an embodiment of the present invention further provides a mobile terminal, including a processor and a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed by the processor, the image processing method described above is implemented.
In order to achieve the object of the present invention, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the image processing method described above.
The technical scheme of the embodiment of the invention comprises the following steps: acquiring a plurality of shot images; determining whether the plurality of images and a preview image of a next image to be photographed are the same image; when the plurality of images and the preview image of the next image to be shot are determined to be the same image, acquiring image elements to be adjusted on the preview image; and adjusting the display effect of the image element to be adjusted. By the technical scheme of the embodiment of the invention, the shooting effect of the image can be automatically adjusted under the condition that the user is still unsatisfied in shooting for multiple times, a satisfactory shot image is provided for the user, and the experience of the user is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic hardware configuration of a mobile terminal implementing various embodiments of the present invention;
FIG. 2 is a schematic diagram of a communication system supporting communication between mobile terminals in accordance with the present invention;
FIG. 3 is a flowchart of an image processing method according to an embodiment of the present invention;
FIG. 4 is a flowchart of a method for determining whether a plurality of images and a preview image of a next image to be captured are the same image according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating image area division according to color in each image according to an embodiment of the present invention;
FIG. 6 is a flowchart of a method for obtaining an image element to be adjusted on a preview image according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex-Long Term Evolution), and TDD-LTE (Time Division duplex-Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and charging functions Entity) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
According to an embodiment of the present invention, there is provided an image processing method, as shown in fig. 3, which may include S101-S104:
s101, acquiring a plurality of shot images.
In the embodiment of the invention, because a user often encounters the situation that an ideal photographing effect cannot be obtained after multiple times of photographing in the photographing process, aiming at the problem, the embodiment of the invention provides the method for automatically adjusting the display effect of the multiple images photographed by the user so as to meet the requirements of the user on the photographing effect, thereby improving the experience of the user.
In the embodiment of the present invention, a display effect adjustment mode may be preset, and before implementing the scheme of the embodiment of the present invention, the display effect adjustment mode may be entered first, so that a user can adjust the display effect in the mode. In other embodiments, the display effect adjustment mode may not be preset, and after the user starts shooting, if it is detected that a plurality of images are continuously shot, the scheme of the embodiment of the present invention may be automatically implemented for the plurality of images.
In the embodiment of the present invention, before implementing the scheme of the embodiment of the present invention, the plurality of images that need to be adjusted in display effect need to be acquired first.
Alternatively, acquiring the plurality of captured images may include: and acquiring a plurality of continuously shot images in a shooting mode, or calling the plurality of images from the image storage area according to the selection of a user in a preset display effect adjusting mode.
In the embodiment of the present invention, when the multiple images are acquired automatically by the mobile terminal, the number of acquired images, for example, 2, 3, and 4 … …, may be preset, and specific numerical values thereof are not limited. And there may be a plurality of continuously shot scenes in the shooting process, in order to meet the requirement that the user only performs display effect adjustment on the images of the continuously shot scenes which the user wants to adjust, the user may give a corresponding instruction action to the mobile terminal before performing the continuous shooting, so that the continuous shooting which occurs in a preset time after the instruction action is recognized by the mobile terminal is all regarded as the image shooting which needs to perform the display effect adjustment. Optionally, the indicating operation may include, but is not limited to: the method comprises the following steps of pressing a preset key, sliding a touch screen, performing high-altitude gesture operation, performing voice control operation and the like.
S102, determining whether the multiple images and the preview image of the next image to be shot are the same image.
In the embodiment of the invention, after the plurality of shot images are obtained, whether the plurality of shot images and the preview image of the next image to be shot are the same image can be further confirmed, so as to determine whether the current user has not obtained satisfactory shooting effect on shooting of the same scene.
Alternatively, as shown in fig. 4, determining whether the plurality of images are the same as the preview image of the next image to be captured may include S201 to S204:
s201, performing area division on each image in the plurality of images according to color parameters to obtain a plurality of image areas on each image; and performing area division on the preview image according to the color parameters to acquire a plurality of preview image areas on the preview image.
In the embodiment of the present invention, if the acquired plurality of images are four, the images may be defined as a first image, a second image, a third image, and a fourth image, respectively. The four images can be divided into regions according to colors and/or brightness, so that a plurality of regions with different colors and/or brightness are divided on each image. For example, three regions are divided on the first image according to colors, the first region being a green region, the second region being a blue region, and the third region being a yellow region. Other images can be divided into several colors according to the dividing rule, as shown in fig. 5. Similarly, three color regions, namely, a green region, a blue region and a yellow region, can be divided on the preview image of the next image to be currently captured according to the above color division rule. It should be noted that if several areas, namely, a green area, a blue area, and a yellow area, can be divided on the preview image, it can be predicted that these several images and the preview image have the same possibility of being the same image, and the next step can be proceeded to continue the determination.
S202, comparing the plurality of image areas divided on each image with the plurality of preview image areas.
In the embodiment of the present invention, after the four images subjected to the area division are acquired through the above steps, each of the four images may be compared with the preview image to determine whether the plurality of image areas divided on each image are similar to or identical to the plurality of preview image areas on the preview image. For example, a green region on the first image is first compared to a green region on the preview image to determine if the images of the two green regions are the same. The blue and yellow regions on the first image may then be compared with the blue and yellow regions on the preview image, respectively, to determine whether the images of the two blue and yellow regions are the same. Further, the green, blue and yellow areas on the second, third and fourth images may be continuously compared with the green, blue and yellow areas on the preview image, respectively, to determine whether the three color areas on the two images are the same, so as to determine the similarity between the first to fourth images and the preview image.
In the embodiment of the present invention, the determination of the similarity between the four images and the preview image can be further implemented by the following scheme: in the embodiment of the present invention, after the four images subjected to the area division are acquired through the above steps, the image areas divided from each of the four images may be firstly compared with the image areas divided from the other three images, so as to firstly determine whether the acquired four images are the same image, which may specifically be implemented by the following scheme.
In the embodiment of the present invention, each image may be compared with the other three images to determine whether the image areas divided on each image are similar to or identical to the image areas on the other images. For example, a green area on the first image is first compared with green areas on the second, third and fourth images to determine whether the images of the four green areas are the same. The blue and yellow regions on the first image may also be subsequently compared to the blue and yellow regions on the second, third and fourth images to determine if the images of the four blue and yellow regions are the same.
In the embodiment of the present invention, after the comparison of the first image, the second image may be further compared with the third image and the fourth image, and the third image and the fourth image are compared to determine the similarity between each two images. Therefore, whether the four images are the same image can be judged according to the similarity of the scheme. If the four images are the same image, the image areas divided from any one of the four images can be further compared with the preview image areas on the preview image, so as to determine the similarity between the image areas divided from any one of the four images and the preview image areas on the preview image.
And S203, when the similarity between the plurality of image areas divided from each image and the plurality of preview image areas is larger than or equal to a preset similarity threshold value, determining that the plurality of images and the preview image of the next image to be shot are the same image.
In the embodiment of the present invention, if the similarity between the images of the four green areas in the four images and the images of the green areas in the preview image is greater than or equal to the preset similarity threshold, it may be determined that the images of the green areas in the four images are the same as the images of the green areas in the preview image, and similarly, if it is determined that the similarity between the images of the four blue areas and the yellow areas in the four images and the images of the blue areas and the yellow areas in the preview image is also greater than or equal to the preset similarity threshold, it may be determined that the images of the blue areas and the yellow areas in the four images are the same as the images of the blue areas and the yellow areas in the preview image. When it is determined that the three color regions on the four images are the same as the three color regions on the preview image, the four images may be determined to be identical to the preview image.
In the embodiment of the present invention, a situation that one or more image areas on one image are different from image areas of a preview image may also occur, and a pass rate may also be preset for the situation, that is, a ratio of the same number of image areas to the total number of image areas further divided on the image, and if the pass rate is greater than or equal to a preset pass rate threshold, it may be determined that the image and the preview image are the same image, which indicates that the angle of the image has a deviation when shooting; if the passing rate is smaller than the preset passing rate threshold value, the image and the preview image are determined not to be the same image, and the image can be directly ignored.
And S204, when the similarity between the plurality of image areas divided from any one image and the plurality of preview image areas divided from the preview image is smaller than a similarity threshold value, determining that the image with the similarity smaller than the similarity threshold value is not the same image as the preview image.
In the embodiment of the present invention, if the similarity between the image of the green area on any one image and the image of the green area on the preview image is smaller than the preset similarity threshold, it may be determined that the image of the green area on the image is different from the image of the green area on the preview image, and if it is determined that the similarity between the image of the blue area and the image of the yellow area on any one image and the image of the blue area and the image of the yellow area on the preview image is smaller than the preset similarity threshold, it may be determined that the images of the blue area and the yellow area on the image are also different from the images of the blue area and the yellow area on the preview image. And if the images are determined to be different from the preview image and the number of different images reaches a preset number threshold value, calling a preset reminding frame to remind the user whether to continue to adjust the display effect or not, or remind the user of the current mode error.
In the embodiment of the present invention, it should be noted that the above steps S203 and S204 are different comparison results obtained in step S202, and are not described in order.
And S103, when the plurality of images and the preview image of the next image to be shot are determined to be the same image, acquiring image elements to be adjusted on the preview image.
In the embodiment of the present invention, if it is determined that the acquired multiple images and the preview image are the same image, the adjustment scheme of the embodiment of the present invention may be adopted to adjust the display effect of the preview image.
In the embodiment of the invention, because the emphasis points of the user generally focus on different images, for example, the user generally only focuses on the display effect of the face picture when shooting a person. Therefore, in order to perform display effect adjustment in a targeted manner and save internal consumption of the mobile terminal, before the display effect of the current image is adjusted, an image element to be adjusted on the preview image, which is a key image element focused by the user, may be obtained first.
Alternatively, as shown in fig. 6, acquiring the image element to be adjusted on the preview image may include S301 to S303:
s301, a shooting mode for shooting the preview image is detected.
In the embodiment of the invention, in order to acquire the important image elements focused by the user, a shooting mode adopted by the user for current shooting may be detected first, so as to determine the shooting important focused by the user through the current shooting mode.
Alternatively, the photographing mode may include: portrait mode, star-orbit mode, or time-lapse mode.
For example, the user can set in a portrait mode when shooting a person to shoot better face effect; when a user shoots the moving track of a star, the shooting mode can be set in a star-orbit mode so as to capture the moving track of the star by using a long lens in the star-orbit mode; when a user shoots a dynamic picture of a person or an object in a moving state, the shooting mode can be set to a delay mode, so that a moving track or a light track of the person or the object in the moving process is captured by slow shooting in the delay mode.
In the embodiment of the invention, based on the above shooting modes, the shooting emphasis of the user is respectively the moving track and the light track of the face and the fixed star.
And S302, extracting corresponding characteristic elements from a plurality of preview image areas divided from the preview image according to the shooting mode.
In the embodiment of the present invention, after the shooting emphasis of the user is obtained through the shooting mode, feature element extraction may be performed in the preview image according to the shooting emphasis. The feature elements respectively corresponding to the portrait mode, the star-orbit mode and the delay mode may include: human face, star movement track and light track.
Alternatively, extracting the corresponding feature elements from the plurality of preview image areas divided from the preview image according to the photographing mode may include:
when the shooting mode is a portrait mode, extracting image elements of a face part by adopting a face recognition algorithm;
when the shooting mode is a star-orbit mode, extracting image elements of a fixed star moving track part by adopting a point feature extraction algorithm;
and when the shooting mode is a delay mode, extracting image elements of the light ray track part by adopting a point feature extraction algorithm.
In the embodiment of the present invention, based on the scheme that a plurality of preview image areas have been divided, one or more image processing methods may be used to extract corresponding feature elements from the preview image for different shooting emphasis in different shooting modes from the plurality of preview image areas (such as color areas, brightness areas, and the like), including but not limited to the above-mentioned face recognition algorithm and point feature extraction algorithm. In addition, because the face recognition algorithm and the point feature extraction algorithm are already mature technologies, they are not described herein again.
And S303, determining the extracted corresponding characteristic elements as image elements to be adjusted.
In the embodiment of the present invention, after the feature element portion in the preview image is extracted through the above steps, the partial image may be used as an image element to be adjusted. For example, if the feature element is a face, when an image of a corresponding face portion is extracted from the preview image, the image element of the face image portion is taken as an image element to be adjusted.
And S104, adjusting the display effect of the image element to be adjusted.
In the embodiment of the invention, after the image element to be adjusted is obtained through the steps, the display effect of the image element to be adjusted can be directly adjusted.
Optionally, the display effect may include, but is not limited to: brightness, contrast, and/or color.
In the embodiment of the invention, different display effect adjustment modes can be adopted according to different types of the image elements to be adjusted. For example, if the image element to be adjusted is a human face, the display effect of the human face can be adjusted by adopting buffing treatment; if the image element to be adjusted is a fixed star moving track, the display effect of the image element to be adjusted can be adjusted by adopting adjustment of brightness, contrast and the like.
Optionally, the method further comprises: before the display effect of the image element to be adjusted is adjusted, detecting the frequency of the image element to be adjusted appearing in a plurality of images, and adding 1 to the level of the image element to be adjusted when the frequency of the image element to be adjusted appearing is added with 1; when the number of the appearance times of the image elements to be adjusted is m, the image elements to be adjusted correspond to m levels, and m is a positive integer;
the level of the image element to be adjusted corresponds to the adjustment times and the adjustment strength of the image element to be adjusted; the higher the level of the image element to be adjusted is, the more the adjustment times of the image element to be adjusted is, and the greater the adjustment force is.
In the embodiment of the present invention, in order to adjust the display effect of the image element to be adjusted more finely, the level of the image element to be adjusted may be preset, so as to perform corresponding adjustment on the image element to be adjusted according to different levels. The level of the image element to be adjusted may be determined according to the number of times the image element to be adjusted appears in the plurality of images. For example, if the current preview image and the acquired four images each include a first face, the first face appears 5 times in the four images, and the level of the first face may be defined as 5. If the second face appears in the current preview image and only the first image, the second image, the third image and the current preview image in the four acquired images, and the second face does not appear in the fourth image, the number of times that the second face appears in the four images is 4, and the level of the second face can be defined as 4; the definition of the occurrence times and the levels of the first face and the second face can indicate that the first face has higher attention than the second face.
Optionally, adjusting the display effect of the image element to be adjusted includes:
when the level of the image element to be adjusted is n, adjusting the display effect of the image element to be adjusted for n times, and generating n corresponding adjusted images; wherein, each image in the n adjusted images is adjusted according to one of the n adjusting forces respectively, and the adjusting forces of each image are different from each other; n is a positive integer.
In the embodiment of the present invention, the level of the image element to be adjusted further corresponds to the adjustment times and the adjustment strength of the image element to be adjusted. For example, if the level of the first face is 5, the number of times of effect adjustment on the first face may be 5, and the adjustment strength in each adjustment is different, that is, the adjustment strength corresponds to 5 adjustment strengths, and corresponding 5 adjusted images are generated for the user to select or store. For the second face, if the level of the second face is 4, the number of times of effect adjustment on the second face may be 4, and the adjustment strength during each adjustment is different, that is, the adjustment strength corresponds to 4 adjustment strengths, and corresponding 4 adjusted images are generated.
In the embodiment of the present invention, after acquiring a plurality of adjusted images, the mobile terminal may invoke the history storage images of the user and extract the display effect of the history storage images, including: the display effect of the history storage image is determined according to the light, the brightness, the contrast, the stereo effect and the like, the preference of the user is determined according to the display effect of the history storage image, and one piece which is closest to the display effect of the history storage image is directly obtained from the obtained plurality of adjustment images and is provided for the user. Or before the display effect of the current multiple images is adjusted, the history storage images are firstly called, the display effect of the history storage images is extracted, and one image is selected from the current multiple images to be adjusted according to the display effect of the history storage images. Or selecting one image which is closest to the display effect of the history storage image from the plurality of current images for adjustment.
In the embodiment of the present invention, for the acquired multiple adjusted images, the following processing scheme may also be adopted:
optionally, the method further comprises:
after acquiring the n adjusted images, determining one or more images from the n adjusted images as final saved images according to the selection operation of the user.
In the embodiment of the invention, after the plurality of adjusted images are obtained by the scheme, the plurality of adjusted images can be displayed to a user, so that the user can select one or more satisfactory images from the plurality of adjusted images for storage. Specifically, the selection result of the user may be determined by determining the selection operation of the user. For example, it is determined that the user selects the first adjusted image by determining that the user clicks the first adjusted image, or it is determined that the user selects an image corresponding to a number, letter, or code by inputting the corresponding number, letter, or code, etc. by the user.
In order to achieve the object of the present invention, an embodiment of the present invention further provides a mobile terminal 1, as shown in fig. 7, including a processor 11 and a computer-readable storage medium 12, where the computer-readable storage medium 12 stores instructions, and when the instructions are executed by the processor, the image processing method is implemented.
In order to achieve the object of the present invention, an embodiment of the present invention further provides a computer-readable storage medium 12, on which a computer program is stored, and the computer program, when executed by a processor, implements the image processing method described above.
The technical scheme of the embodiment of the invention comprises the following steps: acquiring a plurality of shot images; determining whether the plurality of images are the same image; when the plurality of images are determined to be the same image, acquiring image elements to be adjusted on the plurality of images; and adjusting the display effect of the image element to be adjusted. By the technical scheme of the embodiment of the invention, the shooting effect of the image can be automatically adjusted under the condition that the user is still unsatisfied in shooting for multiple times, a satisfactory shot image is provided for the user, and the experience of the user is increased.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An image processing method, characterized in that the method comprises:
acquiring a plurality of shot images;
determining whether the plurality of images and a preview image of a next image to be photographed are the same image;
detecting a photographing mode for photographing a preview image when it is determined that the plurality of images and the preview image of a next image to be photographed are the same image; extracting corresponding characteristic elements from a plurality of preview image areas divided from the preview image according to the shooting mode; determining the extracted corresponding feature elements as image elements to be adjusted;
and adjusting the display effect of the image element to be adjusted.
2. The image processing method according to claim 1, wherein the determining whether the plurality of images and the preview image of the next image to be captured are the same image comprises:
performing region division on each image in the plurality of images according to color parameters to obtain a plurality of image regions on each image; dividing the preview image into areas according to the color parameters to obtain a plurality of preview image areas on the preview image;
comparing a plurality of image areas divided on each image with the plurality of preview image areas respectively;
and when the similarity between a plurality of image areas divided from each image and the plurality of preview image areas is larger than or equal to a preset similarity threshold value, determining that the plurality of images and the preview image of the next image to be shot are the same image.
3. The image processing method according to claim 2,
and adopting different display effect adjustment modes for different types of image elements to be adjusted.
4. The image processing method according to claim 1,
the photographing mode includes: portrait mode, star-orbit mode or time-delay mode;
the characteristic elements respectively corresponding to the portrait mode, the star-orbit mode and the delay mode comprise: human face, star movement track and light track.
5. The image processing method according to claim 4, wherein said extracting, from the plurality of preview image areas divided from the preview image in accordance with the photographing mode, respective feature elements comprises:
when the shooting mode is a portrait mode, extracting image elements of the face part by adopting a face recognition algorithm;
when the shooting mode is a star-orbit mode, extracting image elements of a fixed star moving track part by adopting a point feature extraction algorithm;
and when the shooting mode is a delay mode, extracting image elements of the light ray track part by adopting a point feature extraction algorithm.
6. The image processing method of claim 1, wherein the method further comprises: before adjusting the display effect of the image element to be adjusted, detecting the number of times of the image element to be adjusted appearing in the plurality of images, and adding 1 to the level of the image element to be adjusted when the number of times of the image element to be adjusted appearing is added with 1; when the number of occurrences of the image element to be adjusted is m, the image element to be adjusted corresponds to m levels, and m is a positive integer;
the level of the image element to be adjusted corresponds to the adjustment times and adjustment strength of the image element to be adjusted; the higher the level of the image element to be adjusted is, the more the adjustment times of the image element to be adjusted is, and the larger the adjustment force is.
7. The image processing method according to claim 6, wherein said adjusting the display effect of the image element to be adjusted comprises:
when the level of the image element to be adjusted is n, adjusting the display effect of the image element to be adjusted for n times, and generating n corresponding adjusted images; wherein each image in the n adjusted images is adjusted according to one of n adjustment forces, and the adjustment forces of each image are different from each other; n is a positive integer.
8. The image processing method according to claim 1 or 7, wherein the display effect comprises: brightness, contrast, and/or color.
9. A mobile terminal comprising a processor and a computer-readable storage medium having instructions stored therein, wherein the instructions, when executed by the processor, implement the image processing method according to any one of claims 1 to 8.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the image processing method according to any one of claims 1 to 8.
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| CN109284410B (en) * | 2018-10-15 | 2022-08-16 | 五八有限公司 | Image file saving method and device, computer equipment and readable storage medium |
| CN114390212B (en) * | 2020-10-22 | 2023-03-24 | 华为技术有限公司 | Photographing preview method, electronic device and storage medium |
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