CN111587399B - Filter effect display method and device and mobile terminal - Google Patents
Filter effect display method and device and mobile terminal Download PDFInfo
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- CN111587399B CN111587399B CN201780095418.7A CN201780095418A CN111587399B CN 111587399 B CN111587399 B CN 111587399B CN 201780095418 A CN201780095418 A CN 201780095418A CN 111587399 B CN111587399 B CN 111587399B
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/18—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with light-reducing "factor" of filter or other obturator used with or on the lens of the camera
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Abstract
A filter effect display method, a device and a mobile terminal are provided, wherein the filter effect display method comprises the following steps: acquiring preview data of a current scene after detecting that a camera module of the mobile terminal is triggered and started (S101); detecting a color temperature of a current environment and acquiring a filter effect selected by a current user (S102); processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain processed data (S103); the processed data is displayed (S104). The filter can select diversified filter effects, supports a real-time filter, and can visually display the display effect of the filter applied to a specific image.
Description
Technical Field
The invention relates to the technical field of image effect processing, in particular to a filter effect display method and device 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 order to enrich the image effect of the picture, photographers add various special lenses in front of the lens of the camera, so that the shot picture contains the special effect of the added lenses. This special lens is called a "color filter". The idea of special lenses is extended to the image processing technology of computers, so that a "Filter", also called "Filter", is generated, which is a special image effect processing technology. The filters generally transform the image following a certain algorithm, which results in a special effect on the image.
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.
The existing mobile phone also has a plurality of filters, for example iphone6, which supports 8 filter effects, but the selection is single, generally only supports 8 filters with different effects, and is completely unadjustable, and a third-party algorithm needs to be introduced, so that the cost of the whole mobile phone is increased. In addition to the filter of the mobile phone, various photographing APPs (applications) such as VSCO and snapped also provide various filter functions, but the APPs need to be downloaded additionally, the direct operability is weak, most of special filters need to be purchased additionally, and the additional expenditure of the user is increased.
Disclosure of Invention
The invention aims to provide a filter effect display method, a filter effect display device and a mobile terminal, which can select diversified filter effects, support a real-time filter and intuitively display the display effect of the filter applied to a specific image.
In order to realize the purpose, the invention is realized by the following technical scheme:
a filter effect display method is applied to a mobile terminal, and comprises the following steps:
acquiring preview data of a current scene after detecting that a camera module of the mobile terminal is triggered and started;
detecting the color temperature of the current environment and acquiring the filter effect selected by the current user;
processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain processed data;
and displaying the processed data.
Before the obtaining of the preview data of the current scene, the method further comprises:
acquiring a camera opening instruction input by a user;
and responding to the camera starting instruction, and starting the camera module.
The preview data of the current scene is processed by adopting the algorithm corresponding to the filter effect and combining the color temperature of the current environment, and the obtained processed data comprises:
processing preview data of the current scene by adopting an algorithm corresponding to the filter effect according to the filter effect selected by a user to obtain first data;
processing the preview data of the current scene by adopting an algorithm corresponding to the current color temperature according to the color temperature of the current environment to obtain second data;
and performing reverse deduction and combination on the first data and the second data to obtain processed data.
After displaying the processed data, the method further comprises:
and setting the effect parameters of the processed data.
A filter effect display device, said device comprising:
the viewfinder is used for acquiring preview data of a current scene after detecting that a photographing application program of the mobile terminal is triggered and started;
the detection acquisition module is used for detecting the color temperature of the current environment and acquiring the filter effect selected by the current user;
the filter processing module is used for processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain processed data;
and the display module is used for displaying the processed data.
The apparatus further comprises:
the instruction acquisition module is used for acquiring a camera opening instruction input by a user;
and the response module is used for responding the camera starting instruction and starting the camera module.
The detection acquisition module comprises:
a color temperature detection unit for detecting a color temperature of a surrounding environment;
and the filter effect acquisition unit is used for acquiring the filter effect selected by the current user.
The filter processing module comprises:
the first processing unit is used for processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect according to the filter effect selected by the user to obtain first data;
the second processing unit is used for processing the preview data of the current scene by adopting an algorithm corresponding to the current color temperature according to the color temperature of the current environment to obtain second data;
and the reverse deduction unit is used for performing reverse deduction combination on the first data and the second data to obtain processed data.
The device also comprises a setting unit for setting the effect parameters of the processed data.
A mobile terminal is characterized by comprising the filter effect display device.
Compared with the prior art, the invention has the following advantages:
the invention can select diversified filter effects, support the real-time filter and intuitively display the display effect of the filter applied to a specific image.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a flow chart of a method for displaying filter effect according to the present invention;
FIG. 2 is a schematic interface diagram of step 1 according to an embodiment of the present invention;
FIG. 3 is a schematic interface diagram of step 2 according to an embodiment of the present invention;
FIG. 4 is a schematic interface diagram of step 3 according to an embodiment of the present invention;
FIG. 5 is a schematic interface diagram of step 4 according to the embodiment of the present invention;
FIG. 6 is a flowchart illustrating interaction between a user and the photographing software according to an embodiment of the present invention;
FIG. 7 is a schematic view of a device for displaying a filter effect according to the present invention;
FIG. 8 is a schematic diagram of a filter processing module of the apparatus for displaying a filter effect according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, but 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.
It is noted that, in this document, relational terms such as "first," "second," "third," and the like, if any, are 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. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," "includes," "including," "has," "having" 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 phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the present number.
One embodiment of a filter effect display method
Referring to fig. 1, fig. 1 is a flowchart of a method for displaying a filter effect according to an embodiment of the present invention. The method for displaying the filter effect provided by the embodiment of the invention is applied to a mobile terminal, and as shown in figure 1, the method comprises the following steps:
step S101, after detecting that a camera module of the mobile terminal is triggered and started, acquiring preview data of a current scene;
step S102, detecting the color temperature of the current environment and obtaining the filter effect selected by the current user;
step S103, processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain processed data;
and step S104, displaying the processed data.
For example, the mobile terminal in this embodiment may be a mobile phone, a tablet computer, a digital camera, and other terminal devices equipped with a display screen.
The step S101 is specifically:
and if the camera module of the mobile terminal is in an open state, acquiring and acquiring real-time preview data of the current scene.
The step S102 is specifically:
the color temperature of the surrounding environment can be collected through a color temperature sensor arranged on the mobile terminal, and meanwhile, a filter list of the mobile terminal (on a display interface) clicked by a user is obtained, so that the filter effect selected by the current user is determined.
The step S103 is specifically:
step S1031, processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect according to the filter effect selected by the user to obtain first data; illustratively, in the present embodiment, the first data may be obtained corresponding to RGBA (Red, green, blue, alpha, red, green, blue, and Alpha color spaces).
Step S1032, processing the preview data of the current scene by adopting an algorithm corresponding to the current color temperature according to the color temperature of the current environment to obtain second data; illustratively, the corresponding RGBA combination second data may be obtained in this embodiment.
Step S1033, performing reverse deduction on the first data and the second data, and loading and combining the first data and the second data to obtain processed data, so as to present a filter effect required by a user.
Preferably, before step S101, the method further includes:
step S1001, acquiring a camera opening instruction input by a user;
optionally, a camera starting instruction generated by a user clicking a virtual shooting key (or a virtual icon) of the mobile terminal (on a display interface) for starting a camera is obtained;
or, acquiring a camera opening instruction input by a user in a voice mode;
or if the mobile terminal comprises the fingerprint identification module, a camera opening instruction generated when the user presses the fingerprint identification module of the mobile terminal for a preset time can be acquired
Step S1002, responding to the camera opening instruction, opening the camera module.
Preferably, after step S104, the method further comprises:
step S105, setting the effect parameters of the processed data, specifically: when a user wants to adjust the current presented filter effect, the weights of the four R/G/B/A channels are changed to carry out random fine adjustment on the light shadow and the color.
Second embodiment of a method for displaying filter effect
A filter effect display method, comprising:
step S201, after detecting that a camera module of the mobile terminal is triggered and started, acquiring preview data of a current scene;
step S202, detecting the color temperature of the current environment and acquiring the filter effect selected by the current user;
step S203, processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain processed data;
and step S204, displaying the processed data.
The method further includes, before step S201:
s2011, receiving an instruction sent by the user to display the filter list, and after the instruction is obtained, performing the above steps S202, S203, and S204 for each filter in the filter list, and simultaneously displaying information of each filter in the filter list and the processed data in the filter list page.
The step S203 of processing the preview data of the current scene may be: at least one of color, brightness, saturation, contrast, hue, distribution, and arrangement attribute of pixels in the preview data is processed using an Image Signal Processing (ISP).
The following detailed description refers to specific embodiments.
Step 1, a user opens a pre-filter existing in photographing software, and fig. 2 is a schematic surface view of step 1 in the embodiment of the present invention. In this interface, the existing prefilters are shown as filter 1 to filter 5.
Fig. 3 is a schematic interface diagram of step 2 according to the embodiment of the present invention. In this interface, the existing prefilters, i.e., filters 5 to 9, and the entry of the filter list (indicated by "+" in the figure) are displayed.
And step 3: click on "+" in fig. 3 and go to the filter list. As shown in fig. 4, which is an interface schematic diagram of step 3 in the embodiment of the present invention, a plurality of viewfinders are embedded in a filter list page, so that the effects of a plurality of filters can be directly and simultaneously displayed on the filter list page, and comparison between the plurality of filters is facilitated.
In this step, the manner of displaying the multiple filter effects is:
acquiring information of each filter in a filter list and a corresponding algorithm thereof;
acquiring preview data of a current scene by adopting a viewfinder; processing the preview data by respectively adopting algorithms corresponding to the filters in the filter list and combining the color temperature of the current environment to obtain a plurality of groups of processed data; and simultaneously displaying the information of each filter and the processed data corresponding to the filter in a filter list page. By the method, the effects of the filters in the filter list can be simultaneously displayed on the filter list page, and the effects of the filters are simultaneously displayed on one page, so that a user can compare and select the filters in the filter list conveniently; of course, because the processing effects of multiple filters are displayed simultaneously on the same page, the processing effect graph of each filter is small, and a user can select a single filter for detailed observation. When the user selects one filter in the filter list, step 4 is performed.
And 4, step 4: the user selects one filter in the filter list and enters a filter detail page. As shown in fig. 5, which is an interface schematic diagram of step 4 in the embodiment of the present invention, a viewfinder is also embedded in the filter detail page, and the effect of the filter selected by the user can be directly displayed on the filter detail page.
In this step, the way of displaying the filter effect selected by the user is:
and acquiring preview data of the current scene by adopting a viewfinder, and processing the preview data by adopting an algorithm corresponding to the filter and combining the color temperature of the current environment to obtain the processed data. And displaying the information of the filter selected by the user and the processed data corresponding to the filter in a filter detail page. By the method, the effect of the filter selected by the user can be displayed on a detailed filter page in a large area in real time, the step can only process and display a single filter, when the user wants to see the processing effects of a plurality of filters, the same step needs to be repeatedly executed on different filters, and the processing effects of the plurality of filters can only be displayed respectively.
Fig. 6 is a flowchart illustrating interaction between a user and photographing software according to an embodiment of the present invention, including:
In step 602, the camera software enters a filter list page.
And step 604, processing the preview data of the current scene respectively by adopting an algorithm corresponding to each filter in the filter list and combining the color temperature of the current environment, and simultaneously displaying the information of each filter in the filter list and the processed data in a filter list page.
At step 605, the user clicks on the selected filter.
and displaying the information of the filter and the processed data on a filter detail page.
The present invention further provides a filter effect display device, as shown in fig. 7, which includes:
the viewfinder 701 is used for acquiring preview data of a current scene after detecting that a photographing application program of the mobile terminal is triggered and started;
a detection obtaining module 702, configured to detect a color temperature of a current environment and obtain a filter effect selected by a current user;
a filter processing module 703, configured to process the preview data of the current scene by using an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain processed data;
a display module 704, configured to display the processed data.
In a specific embodiment, the apparatus further comprises:
the instruction acquisition module is used for acquiring a camera opening instruction input by a user;
and the response module is used for responding the camera starting instruction and starting the camera module.
The detection acquisition module comprises:
a color temperature detection unit 7021 configured to detect a color temperature of the surrounding environment;
a filter effect obtaining unit 7022, configured to obtain a filter effect selected by the current user.
Referring to fig. 8, as a preferred implementation, the filter processing module includes:
a first processing unit 7031, configured to process the preview data of the current scene according to a filter effect selected by a user and by using an algorithm corresponding to the filter effect to obtain first data;
a second processing unit 7032, configured to process the preview data of the current scene according to the color temperature of the current environment by using an algorithm corresponding to the current color temperature to obtain second data;
a reverse deduction unit 7033, configured to perform reverse deduction and combination on the first data and the second data to obtain processed data.
Further, the apparatus further comprises a setting unit 705 for setting the effect parameters of the processed data, and performing a fine adjustment on the light and color at will by changing the weights of the four R/G/B/a channels.
The invention also discloses a mobile terminal comprising the filter effect display device.
The terminal embodiment of the present invention can implement the steps of the method embodiments of fig. 1 to 6, and in order to avoid repetition, the steps are herein described
And will not be described in detail.
In summary, the filter effect display method, the filter effect display device and the mobile terminal provided by the invention can select diversified filter effects, support real-time filters and intuitively display the display effect of the filters applied to a specific image.
As will be appreciated by one skilled in the art, the above-described embodiments may be provided as a method, apparatus, or computer program product. These embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. All or part of the steps in the methods according to the embodiments may be implemented by a program instructing related hardware, where the program may be stored in a storage medium readable by a computer device and used to execute all or part of the steps in the methods according to the embodiments.
The various embodiments described above are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments. 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 computer apparatus to produce a machine, such that the instructions, which execute via the processor of the computer apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (6)
1. A filter effect display method is applied to a mobile terminal and is characterized by comprising the following steps:
acquiring preview data of a current scene after detecting that a camera module of the mobile terminal is triggered and started;
detecting the color temperature of the current environment and acquiring the currently selected filter effect;
processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain and display the processed data, wherein the step of processing the preview data of the current scene comprises the following steps:
processing at least one of color, brightness, saturation, contrast, hue, distribution and arrangement attributes of pixels in the preview data with an image signal processor;
setting effect parameters of the processed data;
processing the preview data of the current scene by adopting the filter effect and combining the color temperature of the current environment, and obtaining processed data, wherein the processed data comprises:
processing the preview data of the current scene according to the selected filter effect to obtain first data;
processing the preview data of the current scene by adopting an algorithm corresponding to the current color temperature according to the color temperature of the current environment to obtain second data;
and performing reverse deduction and combination on the first data and the second data to obtain processed data.
2. The filter effect display method of claim 1, wherein said obtaining preview data of the current scene further comprises:
acquiring an input camera opening instruction;
and responding to the camera starting instruction, and starting the camera module.
3. A filter effect display device, said device comprising:
the viewfinder is used for acquiring preview data of a current scene after detecting that a photographing application program of the mobile terminal is triggered and started;
the detection acquisition module is used for detecting the color temperature of the current environment and acquiring the currently selected filter effect;
and the filter processing module is used for processing the preview data of the current scene by adopting an algorithm corresponding to the filter effect and combining the color temperature of the current environment to obtain processed data, wherein the step of processing the preview data of the current scene comprises the following steps:
processing at least one of color, brightness, saturation, contrast, hue, distribution and arrangement attributes of pixels in the preview data with an image signal processor;
the display module is used for displaying the processed data;
a setting unit for setting an effect parameter of the processed data;
wherein, the filter processing module comprises:
the first processing unit is used for processing the preview data of the current scene according to the selected filter effect to obtain first data;
the second processing unit is used for processing the preview data of the current scene by adopting an algorithm corresponding to the current color temperature according to the color temperature of the current environment to obtain second data;
and the reverse deduction unit is used for combining the first data and the second data to obtain processed data.
4. A filter effect display device according to claim 3, wherein said device further comprises:
the instruction acquisition module is used for acquiring an input camera opening instruction;
and the response module is used for responding the camera starting instruction and starting the camera module.
5. The filter effect display device according to claim 3, wherein the detection acquisition module comprises:
a color temperature detection unit for detecting a color temperature of a surrounding environment;
and the filter effect acquisition unit is used for acquiring the currently selected filter effect.
6. A mobile terminal, characterized by comprising the filter effect display device according to any one of claims 3 to 5.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2017/103597 WO2019061050A1 (en) | 2017-09-27 | 2017-09-27 | Filter effect display method and device, and mobile terminal |
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| CN112287790A (en) * | 2020-10-20 | 2021-01-29 | 北京字跳网络技术有限公司 | Image processing method, image processing device, storage medium and electronic equipment |
| CN113965694B (en) * | 2021-08-12 | 2022-12-06 | 荣耀终端有限公司 | Video recording method, electronic device and computer readable storage medium |
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| US5710948A (en) * | 1992-06-09 | 1998-01-20 | Nikon Corporation | Camera system with color temperature meter |
| JP3320863B2 (en) * | 1993-10-21 | 2002-09-03 | 旭光学工業株式会社 | Strobe device |
| JP2003021858A (en) * | 2001-07-09 | 2003-01-24 | Fuji Photo Film Co Ltd | Image pickup device |
| JP4115467B2 (en) * | 2005-06-01 | 2008-07-09 | 富士フイルム株式会社 | Imaging device |
| KR102145209B1 (en) * | 2014-02-12 | 2020-08-18 | 삼성전자주식회사 | Flash device, apparatur and method for photographing image |
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| US20140204244A1 (en) * | 2013-01-18 | 2014-07-24 | Samsung Electronics Co., Ltd. | Method and apparatus for photographing in portable terminal |
| CN104010124A (en) * | 2013-02-22 | 2014-08-27 | 腾讯科技（深圳）有限公司 | Method and device for displaying filter effect, and mobile terminal |
| CN103391363A (en) * | 2013-07-11 | 2013-11-13 | 广东欧珀移动通信有限公司 | Photographing preview display method and device and mobile terminal |
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