CN106095278B - Photographing method and mobile terminal - Google Patents
Photographing method and mobile terminal Download PDFInfo
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- CN106095278B CN106095278B CN201610473585.8A CN201610473585A CN106095278B CN 106095278 B CN106095278 B CN 106095278B CN 201610473585 A CN201610473585 A CN 201610473585A CN 106095278 B CN106095278 B CN 106095278B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
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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
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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Abstract
The embodiment of the invention provides a photographing method and a mobile terminal, wherein the method comprises the following steps: acquiring filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface, wherein the filter effect parameters comprise at least two filter parameters; receiving a photographing instruction of the mobile terminal user; and generating at least one frame of target image based on the filter effect parameters and the filter processing type. The photographing method provided by the embodiment of the invention can improve the efficiency of photographing pictures with various filter effects.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a photographing method and a mobile terminal.
Background
With the continuous development of electronic information technology, mobile terminals such as smart phones and tablet computers are widely used, and the mobile terminals have become indispensable necessities in the life of users. At present, a photographing function has become one of essential functions in a mobile terminal, and with the continuous progress of mobile terminal technology, in order to meet the demand of a user for diversification of photographed pictures, a filter effect is added in the photographing function of the mobile terminal, so that the user can select different photographing effects when photographing.
In practical applications, the filter effect can be many kinds, such as black and white, hue, monochrome, chrome yellow, fading, nostalgic, time of year, stamp, etc. When the mobile terminal is used for photographing, one filter effect can be selected in advance, and when photographing is completed, a photographed picture corresponding to the filter effect can be generated.
However, in the existing mobile terminal photographing process, only one photo with one filter effect can be obtained in one photographing process, and if a plurality of photos with different filter effects or one photo with a plurality of filter superposition effects are to be obtained, the photos can be obtained only by performing a plurality of photographing processes or assisting the processing of third-party software.
For example, when a user wants to take a plurality of pictures with different superposition effects on the same object, the user selects the black-and-white filter effect first and performs the photographing to obtain the picture of the object with the black-and-white filter effect; and then reselecting the chrome yellow filter effect, and performing photographing to obtain a photo of the object with the chrome yellow filter effect. The operation process is complicated, and inconvenience is brought to users. For another example, if a photo of the object with the superimposed effect of black and white and chrome yellow is desired, the shot photo of the object with the black and white filter effect can be processed by the third software, and the chrome yellow effect is superimposed on the existing photo of the object with the black and white filter effect, so the operation process is complicated, and the processing efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a photographing method and a mobile terminal, and aims to solve the problems that in the prior art, the operation of photographing pictures with various filter effects is complicated, and the efficiency is low.
In a first aspect, an embodiment of the present invention provides a photographing method, which is applied to a mobile terminal having a camera, and the method includes:
acquiring filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface, wherein the filter effect parameters comprise at least two filter parameters;
receiving a photographing instruction of the mobile terminal user;
and generating at least one frame of target image based on the filter effect parameters and the filter processing type.
In a second aspect, an embodiment of the present invention provides a mobile terminal, including a camera, where the mobile terminal further includes:
the device comprises a parameter acquisition module, a parameter selection module and a parameter selection module, wherein the parameter acquisition module is used for acquiring filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface, and the filter effect parameters comprise at least two filter parameters;
the instruction receiving module is used for receiving a photographing instruction of the mobile terminal user;
and the image generation module is used for generating at least one frame of target image based on the filter effect parameters and the filter processing types acquired by the parameter acquisition module.
Therefore, compared with the prior art that the required filter effect needs to be selected continuously and repeatedly and then the photographing operation is executed, the method and the device for photographing the image can simplify user operation, and the at least one frame of target image can be generated based on at least two filter parameters and filter processing types by executing the photographing instruction once, and the at least one frame of target image can have the filter effect corresponding to the at least two filter parameters, so that the method and the device for photographing the image with the multiple filter effects can improve the efficiency of photographing the image with the multiple filter effects.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a flow chart of a first embodiment of a photographing method of the present invention;
FIG. 2 is a flow chart of a second embodiment of a photographing method of the present invention;
FIG. 3 is a flow chart of a third embodiment of a photographing method of the present invention;
FIG. 4 is a flow chart of a fourth embodiment of a photographing method of the present invention;
FIG. 5 is a block diagram of a first embodiment of a mobile terminal according to the present invention;
fig. 6 shows a block diagram of a second embodiment of the mobile terminal according to the present invention;
fig. 7 is a block diagram showing a third embodiment of a mobile terminal according to the present invention;
fig. 8 shows a schematic structural diagram of a mobile terminal 1500 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Method embodiment one
Referring to fig. 1, a flowchart of a first embodiment of a photographing method according to the present invention is shown, where the method is applied to a mobile terminal having a camera, and specifically may include:
The embodiment of the invention can be suitable for the mobile terminal with the photographing function. The mobile terminal can be any mobile terminal with a camera, such as a smart phone, a tablet computer, a notebook computer, and the like. For convenience of description, the embodiments of the present invention are described with reference to a smart phone as an example, and other application scenarios may be referred to each other.
In order to obtain at least one picture with multiple filter effects through one-time photographing operation, in the embodiment of the invention, before a photographing instruction is obtained, filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface can be obtained, the filter effect parameters can comprise at least two filter parameters, and each filter parameter can correspond to different filter effects. Therefore, after the mobile terminal acquires the photographing instruction, at least one frame of target image can be generated based on the filter effect parameter and the filter processing type.
And 102, receiving a photographing instruction of a mobile terminal user.
In the embodiment of the invention, before the mobile terminal is used for photographing, parameter setting can be performed firstly to set the filter effect parameters and the filter processing type. Specifically, the filter effect parameters and the filter processing types may be selected on a preset interface, for example, the preset parameter setting interface is entered to set the filter effect parameters, and in the parameter setting interface, at least two filter parameters may be selected in a check box manner, for example, the filter parameters corresponding to four filter effects of black and white, hue, monochrome, and chrome yellow are selected. In addition, the filter processing type can be selected in the parameter setting interface, so that the mobile terminal can generate at least one frame of target image according to at least two filter parameters and corresponding filter processing types selected by a user.
In a specific application, the filter processing type may specifically include a first type and a second type, where the first type is a filter parameter to generate a frame of image with a filter effect corresponding to the filter parameter, and the second type is at least two filter parameters to generate a frame of image with a filter effect superimposed thereon. Therefore, after the mobile terminal executes a photographing instruction once, at least one picture with different filter effects can be generated; or generating at least one picture with the superposition effect of various filter effects to meet different photographing requirements of users.
After the mobile terminal user completes the setting of the filter effect parameters and the filter processing types on the preset interface, the mobile terminal user can issue a photographing instruction. After receiving the photographing instruction, the mobile terminal can obtain the filter effect parameters and the filter processing types corresponding to the photographing instruction so as to perform filter processing with at least two filter effects on the photographed image generated by the photographing instruction, thereby generating at least one frame of target image with various filter effects.
In a specific application, the filter processing type may include any one or both of a first type and a second type, and when the filter processing type includes both the first type and the second type, at least one frame of target image with different filter effects and at least one frame of target image with a superposition effect of multiple filter effects may be generated at the same time for selection by a user. It is to be understood that the number and types of the filter processing types are not limited by the embodiments of the present invention.
And 103, generating at least one frame of target image based on the filter effect parameters and the filter processing type.
After the mobile terminal receives the photographing instruction, at least one frame of target image can be generated according to the acquired filter effect parameters and the filter processing types, and the filter effect parameters can include at least two filter parameters, so that the mobile terminal performs filter processing of at least two filter effects on the photographed image acquired by the photographing instruction, and finally generates at least one frame of target image, for example, at least one frame of target image with different filter effects is generated; or generating at least one frame of target image with superposition effect of multiple filter effects.
To sum up, the photographing method of the embodiment of the invention can obtain the filter effect parameters and the filter processing types selected by the mobile terminal user on the preset interface, and the filter effect parameters include at least two filter parameters; and after receiving a photographing instruction of a mobile terminal user, generating at least one frame of target image based on the filter effect parameter and the filter processing type. Compared with the prior art that the required filter effect needs to be selected continuously and repeatedly and then the photographing operation is executed, the method and the device for photographing the image can simplify user operation, and the at least one frame of target image can be generated based on at least two filter parameters and filter processing types by executing the photographing instruction once, and the at least one frame of target image can have the filter effect corresponding to the at least two filter parameters, so that the method and the device for photographing the image with the multiple filter effects can improve the efficiency of photographing the image with the multiple filter effects.
Method embodiment two
In this embodiment, on the basis of the first embodiment, a process of generating at least one frame of target image when the filter processing type is the first type is described in detail. Referring to fig. 2, a flowchart of a second embodiment of a photographing method according to the present invention is shown, where the method is applied to a mobile terminal having a camera, and specifically may include:
In a specific application, before the mobile terminal receives a photographing instruction from a terminal user, filter effect parameters and filter processing types selected by the mobile terminal user on a preset interface can be acquired, the filter effect parameters can include at least two filter parameters, and the filter processing type is a first type. The first type is a filter parameter to generate a frame of image with a filter effect corresponding to the filter parameter.
After the mobile terminal user completes the setting of the filter effect parameters and the filter processing types on the preset interface, the mobile terminal user can issue a photographing instruction. After receiving the photographing instruction, the mobile terminal can perform filter processing with at least two filter effects on the photographed image generated by the photographing instruction according to the acquired filter effect parameters and filter processing types.
And step 203, acquiring all filter parameters in the filter effect parameters.
After the mobile terminal receives the photographing instruction and acquires the filter effect parameters set by the mobile terminal user, all the filter parameters in the filter effect parameters can be acquired. For example, the filter effect parameters include filter parameters corresponding to four filter effects of black and white, hue, monochrome, and chrome yellow.
And 204, acquiring a filter effect corresponding to the filter parameter for each filter parameter.
After all the filter parameters in the filter effect parameters are acquired, the filter effect corresponding to the filter parameters can be acquired, so that the filter processing is performed on the shot image according to various different filter effects. For example, the acquired filter effect parameters include four filter parameters, and the filter effects respectively corresponding to the four filter parameters are black and white, hue, monochrome, and chrome yellow.
And step 205, acquiring a frame of preview image acquired by the camera.
When the mobile terminal receives a photographing instruction of a user, a photographed image generated by the photographing instruction can be acquired, and specifically, the photographed image can be a frame of preview image acquired by a camera. In a specific application, the preview image may be image data in YUV format acquired by HAL (Hardware Abstraction Layer).
In specific application, a user is usually sensitive to brightness information and relatively insensitive to color information, so that data of chromaticity can be reduced, storage of image information is reduced, and image compression is facilitated. Of course, the preview image may also be in a RAW format, and it is understood that the specific format of the preview image is not limited by the embodiment of the present invention.
And step 206, performing filter processing on the preview image according to the filter effect corresponding to each filter parameter, and respectively generating a frame of target image.
In the embodiment of the present invention, assuming that the acquired filter effect parameters include four filter parameters, and the corresponding filter effects are black and white, color tone, monochrome, and chrome yellow, respectively, filter processing may be performed on the preview image according to the black and white, color tone, monochrome, and chrome yellow filter effects, respectively, to generate target images with the black and white, color tone, monochrome, and chrome yellow filter effects, respectively, that is, to generate four frames of target images with different filter effects in total. Therefore, the embodiment of the invention can generate a plurality of pictures with various different filter effects by executing the photographing instruction once.
In order to further improve the efficiency of taking pictures with various filter effects, the embodiment of the invention can adopt a multi-task parallel mode for processing, generate a plurality of preview images by copying, and establish a plurality of filter processing tasks, so that the plurality of filter processing tasks can carry out filter processing on the preview images in parallel. For example, if the filter effect parameters include N filter parameters, the preview image may be copied to generate N copies, and N filter processing tasks are established, and one preview image and one filter parameter are allocated to each filter processing task, so that each preview image may correspond to one filter parameter.
In a specific application, the parallel execution of a plurality of filter processing tasks can be realized by creating a plurality of threads, so that the filter processing can be simultaneously performed on a plurality of preview images. Optionally, if the number of threads that can be created is less than the number of filter processing tasks, due to limited memory resources of the mobile terminal, and the like, all the filter processing tasks may be completed by creating multiple threads.
In a specific application, the HAL layer may call back the YUV-format preview image processed by the filter to the application layer to generate a target image, and when the filter processing type is the first type, may sequentially call back a plurality of YUV-format preview images processed by the filter to generate at least one frame of target image. After each filter processing task executes corresponding filter processing on each preview image, a corresponding frame of target image is generated, and each frame of target image can correspond to one filter effect.
In a specific application, the target image may also be converted into a JPG format, a PNG format, and the like as needed, and the specific format of the conversion is not limited in the embodiment of the present invention.
To sum up, when the acquired filter processing type is the first type, the embodiment of the present invention can generate at least one frame of target image with different filter effects by executing the photographing instruction once, and compared with the prior art in which a plurality of filter effects of a same scene can be obtained only by continuously executing the filter selection and the repeated photographing operation, the embodiment of the present invention simplifies the user operation, thereby improving the efficiency of photographing the plurality of filter effects of the photos. In addition, a plurality of filter processing tasks can be established to execute filter processing on a plurality of preview images in parallel, and the filter processing efficiency is further improved.
Method embodiment three
The present embodiment describes in detail a process of generating at least one frame of target image when the filter processing type is the second type based on the first embodiment. Referring to fig. 3, a flowchart of a third embodiment of a photographing method according to the present invention is shown, where the method is applied to a mobile terminal having a camera, and specifically may include:
301, obtaining filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface, wherein the filter effect parameters comprise at least two filter parameters, and the filter processing type is a second type.
In a specific application, before the mobile terminal receives a photographing instruction from a terminal user, filter effect parameters and filter processing types selected by the mobile terminal user on a preset interface can be acquired, the filter effect parameters can include at least two filter parameters, and the filter processing type is a second type. Wherein the second type generates a frame of image with superimposed filter effects for at least two filter parameters.
The difference between this embodiment and the second embodiment of the method is that at least one frame of target image generated by this embodiment is an image with a superimposed filter effect.
After the mobile terminal user completes the setting of the filter effect parameters and the filter processing types on the preset interface, the mobile terminal user can issue a photographing instruction. After receiving the photographing instruction, the mobile terminal can perform filter processing with at least two filter effects on the photographed image generated by the photographing instruction according to the acquired filter effect parameters and filter processing types.
And 303, acquiring all filter parameters in the filter effect parameters.
The mobile terminal can acquire all filter parameters in the filter effect parameters after acquiring the filter effect parameters set by a user and receiving a photographing instruction. For example, the filter effect parameters include filter parameters corresponding to six filter effects of black and white, hue, monochrome, chrome yellow, fading, and nostalgic.
And 304, acquiring filter effects corresponding to any at least two filter parameters respectively for any at least two filter parameters in all the filter parameters.
After all the filter parameters in the filter effect parameters are obtained, filter effects corresponding to any at least two filter parameters in all the filter parameters can be obtained, so that at least one frame of target image with a superposition effect of multiple filter effects is generated. For example, the acquired filter effect parameters include six filter parameters, and if the respective corresponding filter effects are black and white, hue, monochrome, chrome yellow, fading, and nostalgic, then two filter effects of black and white and hue can be acquired, and filter superposition processing of the two filter effects of black and white and hue is performed on the shot image generated by the shooting instruction; or acquiring black-white and monochrome filter effects, and performing filter superposition processing of the black-white and monochrome filter effects on the shot image.
And 305, acquiring a frame of preview image acquired by the camera.
When a photographing instruction of a mobile terminal user is received, a photographed image generated by the photographing instruction can be acquired, specifically, the photographed image can be a frame of preview image acquired by a camera, and the preview image can be image data in YUV format acquired by HAL.
And step 306, sequentially performing filter processing on the preview image according to filter effects respectively corresponding to any at least two filter parameters to generate at least one frame of the target image.
In the embodiment of the present invention, it is assumed that the acquired filter effect parameters include six filter parameters, and the filter effects respectively corresponding to the six filter parameters are black and white, hue, monochrome, chrome yellow, fading, and nostalgic. And performing filter processing of the color tone filter effect on the intermediate image to generate a frame of target image with the superposition effect of the black-white filter effect and the color tone filter effect. Then, two filter effects of black and white and monochrome are obtained, and filter processing is sequentially performed on the preview image by adopting the same method, so that a target image with the filter effects of the two filter effects of black and white and monochrome and the like are generated. That is, the filter superposition processing may be performed on the preview image according to the six filter effects in a pairwise combination manner, so as to generate at least one frame of target image with a superposition effect of multiple filter effects.
In an optional embodiment of the present invention, after the step of sequentially performing filter processing on the preview image according to filter effects respectively corresponding to the at least two filter parameters to generate at least one frame of the target image, the method may further include the following steps:
displaying all target images generated after being processed by any at least two filter parameters;
receiving a target image selected by a mobile terminal user;
and deleting the target images which are not selected by the mobile terminal user.
In the embodiment of the invention, after the mobile terminal sequentially performs filter processing on the preview image according to the filter effects respectively corresponding to any at least two filter parameters to generate at least one frame of the target image, all the generated target images can be displayed for the mobile terminal user to select. After receiving the target image selected by the mobile terminal user, the target image selected by the user can be saved. And deleting the target images which are not selected by the user automatically to reduce the occupied storage space of the mobile terminal.
It is understood that the above-mentioned obtaining of the filter effects corresponding to any at least two filter parameters is only an application example of the present invention. In a specific application, when the filter processing type is the second type, in the process of sequentially performing filter processing on the preview image, filter processing may be performed on the preview image sequentially according to filter effects respectively corresponding to any at least two, three, or four filter parameters, and the like.
To sum up, in the embodiment of the present invention, when the acquired filter processing type is the second type, at least one frame of target image with the superposition effect of multiple filter effects can be generated by executing the one-time photographing instruction. In the prior art, the superposition effect of various filter effects can be realized only by utilizing the synthesis processing of third-party software, so that the user operation is simplified, and the efficiency of filter superposition processing can be improved. In addition, the embodiment of the invention can meet different requirements of a user when the user carries out various filter effect processing on the shot image by setting different filter processing types, thereby bringing great convenience to the user.
Method example four
In a specific application, in order to reduce the data amount of the filter processing performed on the preview image by the mobile terminal and further improve the filter processing efficiency, the embodiment may further obtain a filter effect superposition mode input by the mobile terminal user on the basis of the third embodiment. Referring to fig. 4, a flowchart of a fourth embodiment of a photographing method according to the present invention is shown, where the method is applied to a mobile terminal having a camera, and specifically may include:
In a specific application, before the mobile terminal receives a photographing instruction from a terminal user, filter effect parameters and filter processing types selected by the mobile terminal user on a preset interface can be acquired, the filter effect parameters can include at least two filter parameters, and the filter processing type is a second type. Wherein the second type generates a frame of image with superimposed filter effects for at least two filter parameters.
And 402, acquiring a filter effect superposition mode input by a mobile terminal user.
In the embodiment of the invention, before using the mobile terminal to take a picture, a mobile terminal user can firstly set parameters to set the filter effect parameters and the filter processing type, when the filter processing type selected by the mobile terminal user is the second type, the superposition processing of various filter effects needs to be carried out on the taken image, in order to directly generate a target image of the filter superposition effect required by the user after finishing the shooting instruction, the mobile terminal user can also set a filter effect superposition mode after selecting the filter processing type to be the second type.
For example, the filter effect parameters selected by the mobile terminal user include six filter parameters, the respective corresponding filter effects are black and white, hue, monochrome, chrome yellow, fading, and nostalgic, and the selected filter processing type is the second type, then a filter effect superposition mode may be further set. If the filter effect superposition mode is set as follows: the two filter effects of black and white and color tone are superposed, the two filter effects of single color and chrome yellow are superposed, and the two filter effects of fading and nostalgic are superposed. Three frames of target images can be generated after the photographing is completed, and the three frames of target images have a black-and-white and tone superposition effect, a monochrome and chrome superposition effect, and a fading and nostalgic superposition effect, respectively.
It can be understood that the above-mentioned filter effect superposition manner is only an application example of the present invention, and in a specific application, the embodiment of the present invention does not limit the type and number of the filter effects superposed in the filter effect superposition manner. For example, in the above example, the filter effect superposition manner may also be set as follows: and (3) superposing the selected six filter effects of black and white, tone, single color, chrome yellow, fading and nostalgic. In this way, a frame of target image having the superimposed effect of the above six filter effects can be finally generated.
And step 403, receiving a photographing instruction of the mobile terminal user.
After the mobile terminal user completes the setting of the filter effect parameters and the filter processing types on the preset interface, the mobile terminal user can issue a photographing instruction. After receiving the photographing instruction, the mobile terminal can perform filter processing with at least two filter effects on the photographed image corresponding to the photographing instruction according to the acquired filter effect parameters and filter processing types.
And step 404, acquiring all filter parameters in the filter effect parameters.
The mobile terminal can acquire all filter parameters in the filter effect parameters after acquiring the filter effect parameters set by a user and receiving a photographing instruction. For example, the filter effect parameters include filter parameters corresponding to six filter effects of black and white, hue, monochrome, chrome yellow, fading, and nostalgic.
And 405, determining filter parameters to be superposed based on all filter parameters and a filter effect superposition mode.
In the embodiment of the present invention, it is assumed that the obtained filter effect superposition manner is: the two filter effects of black and white and color tone are superposed, the two filter effects of single color and chrome yellow are superposed, and the two filter effects of fading and nostalgic are superposed. The filter parameters to be superimposed can be determined as the filter parameters corresponding to black and white and hue, monochrome and chrome yellow, and fading and nostalgic filter effects, respectively.
And 406, obtaining filter effects corresponding to all filter parameters to be superposed.
Specifically, after determining the filter parameters to be superimposed, the filter effects corresponding to the filter parameters to be superimposed can be obtained as black and white and tone, monochrome and chrome yellow, and fading and nostalgic, respectively.
And step 407, acquiring a frame of preview image acquired by the camera.
When a photographing instruction of a mobile terminal user is received, a photographed image generated by the photographing instruction can be acquired, specifically, the photographed image can be a frame of preview image acquired by a camera, and the preview image can be image data in YUV format acquired by HAL.
And 408, sequentially carrying out filter processing on the preview image according to the filter effects corresponding to all the filter parameters to be superposed to generate at least one frame of target image.
In the embodiment of the present invention, it is assumed that the filter effects corresponding to the obtained filter parameters to be superimposed are respectively: black white and tone, monochrome and chrome yellow, and fading and nostalgic. Firstly, sequentially carrying out filter processing of black-white and tone filter effects on a preview image to generate a frame of target image with black-white and tone superposition effects; then, sequentially carrying out filter treatment of monochrome and chrome yellow filter effects on the preview image to generate a frame of target image with monochrome and chrome yellow superposition effects; and finally, sequentially carrying out filter processing of fading and nostalgic filter effects on the preview image to generate a frame of target image with fading and nostalgic superposition effects. That is, three frames of target images having a filter superimposition effect are generated, and the three frames of target images finally generated may be displayed to the user for selection.
To sum up, when the acquired filter processing type is the second type, the embodiment of the present invention may further acquire a filter effect superposition manner input by a mobile terminal user, and by executing a photographing instruction once, at least one frame of target image corresponding to the filter effect superposition manner set by the mobile terminal user may be generated, and the generated at least one frame of target image has a superposition effect of multiple filter effects.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Apparatus embodiment one
Referring to fig. 5, a block diagram of a first embodiment of a mobile terminal according to the present invention is shown, where the mobile terminal includes a camera 501, and the mobile terminal further includes: a parameter acquisition module 502, an instruction receiving module 503 and an image generation module 504; wherein the content of the first and second substances,
a parameter obtaining module 502, configured to obtain filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface, where the filter effect parameters include at least two filter parameters;
an instruction receiving module 503, configured to receive a photographing instruction of a mobile terminal user;
an image generating module 504, configured to generate at least one frame of target image based on the filter effect parameter and the filter processing type obtained by the parameter obtaining module.
Referring to fig. 6, which is a block diagram illustrating a structure of a second embodiment of the mobile terminal according to the present invention, when the filter processing type is a first type, on the basis of fig. 5, the image generating module 504 may specifically include:
a filter parameter obtaining submodule 5041, configured to obtain all filter parameters in the filter effect parameters;
a filter effect obtaining sub-module 5042, configured to obtain, for each filter parameter, a filter effect corresponding to the filter parameter;
the preview image acquisition sub-module 5043 is used for acquiring a frame of preview image acquired by the camera;
and the target image generation submodule 5044 is configured to perform filter processing on the preview image according to the filter effect corresponding to each filter parameter, and generate one frame of the target image respectively.
In an optional embodiment of the present invention, when the filter processing type is a second type, the image generating module may specifically include:
a filter parameter obtaining submodule 5041, configured to obtain all filter parameters in the filter effect parameters;
a filter effect obtaining sub-module 5042, configured to obtain, for any at least two filter parameters of all the filter parameters obtained by the filter parameter obtaining sub-module, filter effects corresponding to the at least two filter parameters, respectively;
the preview image acquisition sub-module 5043 is used for acquiring a frame of preview image acquired by the camera;
and the target image generation sub-module 5044 is configured to sequentially perform filter processing on the preview image acquired by the preview image acquisition sub-module according to filter effects corresponding to any at least two filter parameters, so as to generate at least one frame of target image.
Referring to fig. 7, a block diagram of a third embodiment of a mobile terminal according to the present invention is shown, where on the basis of fig. 6, the mobile terminal may further include the following modules:
a display module 505, configured to display all target images generated after being processed by any at least two filter parameters;
a receiving module 506, configured to receive a target image selected by a mobile terminal user;
and a deleting module 507, configured to delete a target image that is not selected by the mobile terminal user.
In an optional embodiment of the present invention, the mobile terminal may further include:
and a superposition mode obtaining module 508, configured to obtain a filter effect superposition mode input by the mobile terminal user.
In another optional embodiment of the present invention, when the filter processing type is a second type, the image generating module 504 may specifically include:
a filter parameter obtaining submodule 5041, configured to obtain all filter parameters in the filter effect parameters;
the superposition parameter determination submodule 5045 is used for determining filter parameters to be superposed based on all the filter parameters and the filter effect superposition mode;
a filter effect obtaining sub-module 5042, configured to obtain filter effects corresponding to the filter parameters to be superimposed, which are determined by all the superimposition parameter determining sub-modules;
the preview image acquisition sub-module 5043 is used for acquiring a frame of preview image acquired by the camera;
and the target image generation submodule 5044 is configured to sequentially perform filter processing on the preview image acquired by the preview image acquisition submodule according to the filter effects corresponding to all the filter parameters to be superimposed, and generate at least one frame of target image.
To sum up, the mobile terminal according to the embodiment of the present invention obtains the filter effect parameter and the filter processing type selected by the mobile terminal user on the preset interface through the parameter obtaining module, receives the photographing instruction of the mobile terminal user through the instruction receiving module, and generates at least one frame of target image based on the filter effect parameter and the filter processing type obtained by the parameter obtaining module through the image generating module. Compared with the prior art that the required filter effect needs to be selected continuously and repeatedly and then the photographing operation is executed, the method and the device for photographing the image can simplify user operation, and the at least one frame of target image can be generated based on at least two filter parameters and filter processing types by executing the photographing instruction once, and the at least one frame of target image can have the filter effect corresponding to the at least two filter parameters, so that the method and the device for photographing the image with the multiple filter effects can improve the efficiency of photographing the image with the multiple filter effects.
Device embodiment II
Referring to fig. 8, a schematic structural diagram of a mobile terminal 1500 according to the present invention is shown, which may specifically include: at least one processor 1501, memory 1502, at least one network interface 1504, a user interface 1503, and a camera 1506. The various components in the mobile terminal 1500 are coupled together by a bus system 705. It is understood that bus system 1505 is used to enable communications among the components by way of connections. Bus system 1505 includes a power bus, a control bus, and a status signal bus, in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 1505 in figure 8.
The user interface 1503 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, etc.).
It is to be understood that the memory 1502 in embodiments of the present invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile memory may be a Read-only memory (ROM), a programmable Read-only memory (PROM), an erasable programmable Read-only memory (erasabprom, EPROM), an electrically erasable programmable Read-only memory (EEPROM), or a flash memory. The volatile memory may be a Random Access Memory (RAM) which functions as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (staticiram, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (syncronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced synchronous SDRAM (ESDRAM), synchronous link SDRAM (SLDRAM), and direct memory bus SDRAM (DRRAM). The memory 1502 of the systems and methods described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 1502 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 15021 and application programs 15022.
The operating system 15021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 15022 contains various applications such as a media player (MediaPlayer), a Browser (Browser), and the like, for implementing various application services. A program implementing a method according to an embodiment of the present invention may be included in application program 15022.
In the embodiment of the present invention, the processor 1501 is configured to obtain a filter effect parameter and a filter processing type selected by a mobile terminal user on a preset interface by calling a program or an instruction stored in the memory 1502, specifically, the program or the instruction stored in the application program 15022, where the filter effect parameter includes at least two filter parameters; receiving a photographing instruction of a mobile terminal user; and generating at least one frame of target image based on the filter effect parameters and the filter processing type.
The method disclosed in the above embodiments of the present invention may be applied to the processor 1501 or implemented by the processor 1501. Processor 1501 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 1501. The processor 1501 may be a general-purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 1502, and the processor 1501 reads the information in the memory 1502 and, in conjunction with its hardware, performs the steps of the above-described method.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described in this embodiment of the invention may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described in this embodiment of the invention. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Optionally, the processor 1501 is further configured to: acquiring all filter parameters in the filter effect parameters; for each filter parameter, obtaining a filter effect corresponding to the filter parameter; acquiring a frame of preview image acquired by a camera; and carrying out filter processing on the preview image according to the filter effect corresponding to each filter parameter to respectively generate a frame of target image.
Optionally, the processor 1501 is further configured to: acquiring all filter parameters in the filter effect parameters; for any at least two filter parameters in all filter parameters, obtaining filter effects corresponding to the at least two filter parameters respectively; acquiring a frame of preview image acquired by a camera; and sequentially carrying out filter processing on the preview image according to filter effects respectively corresponding to at least two filter parameters to generate at least one frame of target image.
Optionally, the processor 1501 is further configured to: displaying all target images generated after being processed by any at least two filter parameters; receiving a target image selected by a mobile terminal user; and deleting the target images which are not selected by the mobile terminal user.
Optionally, the processor 1501 is further configured to: and acquiring a filter effect superposition mode input by a mobile terminal user.
Optionally, the processor 1501 is further configured to: acquiring all filter parameters in the filter effect parameters; determining filter parameters to be superposed based on all filter parameters and a filter effect superposition mode; acquiring filter effects corresponding to all filter parameters to be superposed; acquiring a frame of preview image acquired by a camera; and sequentially carrying out filter processing on the preview image according to filter effects corresponding to all filter parameters to be superposed to generate at least one frame of target image.
The mobile terminal 1500 can implement the processes implemented by the mobile terminal in the foregoing embodiments, and details are not repeated here to avoid repetition.
The method and the device for generating the target image have the advantages that the filter effect parameters and the filter processing types selected by a mobile terminal user on a preset interface are obtained through the parameter obtaining module, the photographing instruction of the mobile terminal user is received through the instruction receiving module, and at least one frame of target image is generated through the image generating module based on the filter effect parameters and the filter processing types obtained through the parameter obtaining module. Compared with the prior art that the required filter effect needs to be selected continuously and repeatedly and then the photographing operation is executed, the method and the device for photographing the image can simplify user operation, and the at least one frame of target image can be generated based on at least two filter parameters and filter processing types by executing the photographing instruction once, and the at least one frame of target image can have the filter effect corresponding to the at least two filter parameters, so that the method and the device for photographing the image with the multiple filter effects can improve the efficiency of photographing the image with the multiple filter effects.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. 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 terminal that comprises the element.
The photographing method and the mobile terminal provided by the invention are described in detail, and the principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A photographing method is applied to a mobile terminal with a camera, and is characterized by comprising the following steps:
acquiring filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface, wherein the filter effect parameters comprise at least two filter parameters;
receiving a photographing instruction of the mobile terminal user;
generating at least one frame of target image based on the filter effect parameters and the filter processing type;
the filter processing types comprise a first type and a second type, the first type is that a filter parameter generates a frame of image with a filter effect corresponding to the filter parameter, and the second type is that at least two filter parameters generate a frame of image with a filter effect superposed;
wherein, in the case that the filter processing type is the second type, after the obtaining of the filter effect parameter and the filter processing type selected by the mobile terminal user on the preset interface, the method further comprises:
acquiring a filter effect superposition mode input by a mobile terminal user;
when the filter processing type is a second type, the step of generating at least one frame of target image based on the filter effect parameter and the filter processing type includes:
acquiring all filter parameters in the filter effect parameters;
determining filter parameters to be superposed based on all the filter parameters and a filter effect superposition mode;
acquiring filter effects corresponding to all the filter parameters to be superposed;
acquiring a frame of preview image acquired by a camera;
sequentially carrying out filter processing on the preview image according to filter effects corresponding to all the filter parameters to be superposed to generate at least one frame of the target image;
the sequentially right preview image is subjected to filter processing, and the method comprises the following steps:
and sequentially carrying out filter processing on the preview image according to the filter effects respectively corresponding to the acquired at least two filter parameters.
2. The method according to claim 1, wherein the step of generating at least one frame of target image based on the filter effect parameter and the filter processing type when the filter processing type is a first type comprises:
acquiring all filter parameters in the filter effect parameters;
for each filter parameter, acquiring a filter effect corresponding to the filter parameter;
acquiring a frame of preview image acquired by a camera;
and carrying out filter processing on the preview image according to the filter effect corresponding to each filter parameter, and respectively generating a frame of the target image.
3. The method according to claim 1, wherein when the filter processing type is a second type, the step of generating at least one frame of the target image based on the filter effect parameter and the filter processing type comprises:
acquiring all filter parameters in the filter effect parameters;
for any at least two filter parameters in all the filter parameters, obtaining filter effects corresponding to the at least two filter parameters respectively;
acquiring a frame of preview image acquired by a camera;
and sequentially carrying out filter processing on the preview image according to filter effects respectively corresponding to the at least two filter parameters to generate at least one frame of the target image.
4. The method according to claim 3, wherein after the step of sequentially performing filter processing on the preview image according to the filter effects respectively corresponding to the at least two filter parameters to generate at least one frame of the target image, the method further comprises:
displaying all the target images generated after being processed by any at least two filter parameters;
receiving the target image selected by the mobile terminal user;
and deleting the target images which are not selected by the mobile terminal user.
5. A mobile terminal, comprising a camera, characterized in that the mobile terminal further comprises:
the device comprises a parameter acquisition module, a parameter selection module and a parameter selection module, wherein the parameter acquisition module is used for acquiring filter effect parameters and filter processing types selected by a mobile terminal user on a preset interface, and the filter effect parameters comprise at least two filter parameters;
the instruction receiving module is used for receiving a photographing instruction of the mobile terminal user;
the image generation module is used for generating at least one frame of target image based on the filter effect parameters and the filter processing types acquired by the parameter acquisition module;
the filter processing types obtained by the parameter obtaining module comprise a first type and a second type, wherein the first type is a filter parameter and generates a frame of image with a filter effect corresponding to the filter parameter, and the second type is at least two filter parameters and generates a frame of image with a filter effect superposed;
wherein, in case that the filter processing type is the second type, the mobile terminal further includes:
the superposition mode acquisition module is used for acquiring a filter effect superposition mode input by the mobile terminal user;
when the filter processing type is a second type, the image generation module includes:
the filter parameter acquisition submodule is used for acquiring all filter parameters in the filter effect parameters;
the superposition parameter determining submodule is used for determining filter parameters to be superposed based on all the filter parameters and a filter effect superposition mode;
the filter effect obtaining submodule is used for obtaining the filter effect corresponding to the filter parameter to be superposed, which is determined by the superposition parameter determining submodule;
the preview image acquisition submodule is used for acquiring a frame of preview image acquired by the camera;
the target image generation submodule is used for sequentially carrying out filter processing on the preview image acquired by the preview image acquisition submodule according to the filter effect corresponding to all the filter parameters to be superposed to generate at least one frame of the target image;
the target image generation submodule is specifically configured to: and sequentially carrying out filter processing on the preview image according to the filter effects respectively corresponding to the acquired at least two filter parameters.
6. The mobile terminal according to claim 5, wherein when the filter processing type is a first type, the image generation module comprises:
the filter parameter acquisition submodule is used for acquiring all filter parameters in the filter effect parameters;
the filter effect obtaining submodule is used for obtaining the filter effect corresponding to the filter parameters for each filter parameter;
the preview image acquisition submodule is used for acquiring a frame of preview image acquired by the camera;
and the target image generation submodule is used for carrying out filter processing on the preview image according to the filter effect corresponding to each filter parameter and respectively generating a frame of the target image.
7. The mobile terminal according to claim 5, wherein when the filter processing type is a second type, the image generation module comprises:
the filter parameter acquisition submodule is used for acquiring all filter parameters in the filter effect parameters;
a filter effect obtaining submodule, configured to obtain, for any at least two filter parameters of all filter parameters obtained by the filter parameter obtaining submodule, filter effects corresponding to the at least two filter parameters, respectively;
the preview image acquisition submodule is used for acquiring a frame of preview image acquired by the camera;
and the target image generation submodule is used for sequentially carrying out filter processing on the preview image acquired by the preview image acquisition submodule according to the filter effects respectively corresponding to the at least two filter parameters to generate at least one frame of target image.
8. The mobile terminal of claim 7, wherein the mobile terminal further comprises:
the display module is used for displaying all the target images generated after being processed by any at least two filter parameters;
the receiving module is used for receiving the target image selected by the mobile terminal user;
and the deleting module is used for deleting the target image which is not selected by the mobile terminal user.
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| CN107295251B (en) * | 2017-06-09 | 2018-09-25 | 腾讯科技（深圳）有限公司 | Image processing method, device, terminal and storage medium |
| CN107864335B (en) * | 2017-11-20 | 2020-06-12 | Oppo广东移动通信有限公司 | Image preview method and device, computer readable storage medium and electronic equipment |
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| CN107896306A (en) * | 2017-12-11 | 2018-04-10 | 深圳市欧唯科技有限公司 | The method and system that a kind of filter is taken pictures |
| CN109089043B (en) * | 2018-08-30 | 2021-07-30 | Oppo广东移动通信有限公司 | Shot image preprocessing method and device, storage medium and mobile terminal |
| CN109729274B (en) * | 2019-01-30 | 2021-03-09 | Oppo广东移动通信有限公司 | Image processing method, image processing device, electronic equipment and storage medium |
| CN110070497A (en) * | 2019-03-08 | 2019-07-30 | 维沃移动通信（深圳）有限公司 | A kind of image processing method and terminal device |
| CN110769153B (en) * | 2019-10-29 | 2021-04-06 | 维沃移动通信有限公司 | Image processing method and electronic equipment |
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