CN108737736A - A kind of mobile terminal focal control method, mobile terminal and storage medium - Google Patents

A kind of mobile terminal focal control method, mobile terminal and storage medium Download PDF

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Publication number
CN108737736A
CN108737736A CN201810978270.8A CN201810978270A CN108737736A CN 108737736 A CN108737736 A CN 108737736A CN 201810978270 A CN201810978270 A CN 201810978270A CN 108737736 A CN108737736 A CN 108737736A
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CN
China
Prior art keywords
image data
pixel
mobile terminal
image
focusing area
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CN201810978270.8A
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Chinese (zh)
Inventor
俞斌
杨维琴
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Huizhou TCL Mobile Communication Co Ltd
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Huizhou TCL Mobile Communication Co Ltd
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Priority to CN201810978270.8A priority Critical patent/CN108737736A/en
Publication of CN108737736A publication Critical patent/CN108737736A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)

Abstract

The invention discloses a kind of mobile terminal focal control method, mobile terminal and storage mediums, and wherein method includes following steps:A, mobile terminal obtains image data by camera;B, it identifies image data and judges the default focusing area in image data;C, image data is carried out converting and determining the sign position of default focusing area and translucent processing is made to the image data of the sign position;D, transformed image data is transmitted to screen display.The present invention makes the translucent display of image of the sign position of focusing area, has apparent aberration compared with the image pixel of non-sign position, to ready-made apparent focusing area profile, translucent sign, can not shielded image normal display.

Description

A kind of mobile terminal focal control method, mobile terminal and storage medium
Technical field
The present invention relates to mobile terminal camera shooting application field more particularly to a kind of mobile terminal focal control method, Mobile terminal and storage medium.
Background technology
Camera-enabled uses in smart mobile phone extensively at present, and the camera-enabled in mobile phone is also increasingly It is powerful.Photo is set to clap clearer in order to bring the better usage experience of user, camera can generally carry focus function, The camera having at present even also has arbitrary point focusing, multipoint focalizing etc..
It needs focusing area in focusing and carrys out focus point and shown, the position where focus is known thereby using family. Such as in focusing, the sign of four displays constitutes focusing focus region;In the prior art, this four focusing Sign be opaque display, therefore its can the normal camera preview area of certain area to it is multitudinous live, as shown in fig. 1, Instruction area used in focusing is black, and it is to understand to have lived to affect normal display to multitudinous shelves by normal display content Certainly this problem, the sign in focusing area is made smaller by Ye You producers at present, but such is often focusing focus Identification reduce, influence the use of normal function.
Therefore, the prior art needs to be improved and developed.
Invention content
The technical problem to be solved in the present invention is, for prior art defect, it is burnt that the present invention provides a kind of mobile terminal Point control method, the present invention provide a kind of focus control method, it is intended to which the sign for reaching focus point can be aobvious with wide range Show under the premise of ensureing identification, while not multitudinous shelves live the purpose that normal picture is shown.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of mobile terminal focal control method, which is characterized in that include following steps:
A, mobile terminal obtains image data by camera;
B, it identifies image data and judges the default focusing area in image data;
C, image data is carried out converting and determine the sign position of default focusing area and to the sign position Image data makees translucent processing;
D, transformed image data is transmitted to screen display.
Further, the mobile terminal obtains image data by camera, and image data format is yuv format.
Further, in the identification image data and in judging the default focusing area in image data, focusing is preset Range is indicated in region by sign, presets more set focusing areas and provides respective menu for user's selection.
Further, convert and determine the sign position of default focusing area and right to image data described The image data of the sign position makees translucent processing, the specific steps are:
C1, image data is obtained, and the pixel of image data is numbered, the numerical value of N for initializing calculator is equal to 1, number Value N corresponds to pixel number;
C2, judge whether the numerical value of N of calculator is less than or equal to the maximum value of pixel, it is otherwise no if yes then enter step C3 Then image real time transfer is completed;
C3, judge numerical value of N respective pixel number pixel whether be sign position pixel, if yes then enter step Otherwise C4 enters step C5;
C4, the pixel is subjected to translucent processing;
C5, calculator numerical value of N is increased by 1, enters step C2 later.Further, the memory is provided with 2 to 16 storages Unit.
Further, the translucent processing method be the Y value of pixel is remained unchanged, U values and V values are set as fixed in advance The value of justice.
A kind of mobile terminal, including:Optical sensor, central processing unit, storage device, display screen and communication bus;
The optical sensor is obtained for incuding external image and converting thereof into digital quantity;
The image processing program that can be run on central processing unit is stored in the storage device;
The central processing unit includes image collection module and image conversion module, and described image acquisition module is from optical sensing Obtain image data at device, described image conversion module is according to the sign position of focusing area by the image data of the position Translucent conversion is carried out successively by pixel;
The display screen is used to show the image data that central processing unit processing is completed;
The communication bus is realized between optical sensor and central processing unit, between storage device and central processing unit, center Connection communication between processor and display screen;
Described image processing routine realizes following steps when being executed by the central processing unit:
A, mobile terminal obtains image data by camera;
B, it identifies image data and judges the default focusing area in image data;
C, image data is carried out converting and determine the sign position of default focusing area and to the sign position Image data makees translucent processing;
D, transformed image data is transmitted to display screen and shows.
Further, the image data format that described image acquisition module obtains is yuv format.
Further, it when described image processing routine is executed by the central processing unit, is also held in image conversion module Row includes the following steps:
C1, image data is obtained, and the pixel of image data is numbered, the numerical value of N for initializing calculator is equal to 1, number Value N corresponds to pixel number;
C2, judge whether the numerical value of N of calculator is less than or equal to the maximum value of pixel, it is otherwise no if yes then enter step C3 Then image real time transfer is completed;
C3, judge numerical value of N respective pixel number pixel whether be sign position pixel, if yes then enter step Otherwise C4 enters step C5;
C4, the pixel is subjected to translucent processing;
C5, calculator numerical value of N is increased by 1, enters step C2 later.
Further, when the described image processing routine is executed by the central processing unit, in image conversion module Translucent processing step be:
The Y value of pixel is remained unchanged, U values and V values are set as pre-defined value.
A kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage there are one or The multiple programs of person, one or more of programs can be executed by one or more processor, to realize above-mentioned mobile terminal The step of focus control method.
A kind of mobile terminal focal control method, mobile terminal and storage medium provided by the present invention, make focusing area Sign position the translucent display of image, compared with the image pixel of non-sign position have apparent aberration, from And ready-made apparent focusing area profile, translucent sign, can not shielded image normal display.
Description of the drawings
Fig. 1, which is that coke is used in the prior art, indicates area;
Fig. 2 is a kind of flow diagram of mobile terminal focal control method of the present invention;
Fig. 3 is a kind of image data schematic diagram of the conversion of mobile terminal focal control method of the present invention, needs to show in figure Technical characteristic, using certain gray proces pixel;
Fig. 4 is the flow diagram that focusing area is preset in a kind of determination of mobile terminal focal control method of the present invention;
Fig. 5 is a kind of schematic diagram of mobile terminal of the present invention.
In figure:100, optical sensor;200, central processing unit;201, image collection module;202, image conversion module; 300, display screen;400, storage device.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, develop simultaneously embodiment pair referring to the drawings The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to It is of the invention in limiting.
As shown in Fig. 2, a kind of mobile terminal focal control method, which is characterized in that include following steps:
Step A, mobile terminal obtains image data by camera;Image collection module obtains picture number from optical sensor It is yuv format according to format.Yuv format is a kind of format that image data transmission generally uses, wherein " Y " indicates brightness (Luminance or Luma), that is, grayscale value, and what " U " and " V " was indicated is then coloration(Chrominance or Chroma), effect is description colors of image and saturation degree, is used for the color of specified pixel;Using the importance of YUV color spaces Luminance signal Y and carrier chrominance signal U, V for being it are separation, if only Y-signal component is without U, V component, in this way The image of expression is exactly black and white gray level image.
Step B, it identifies image data and judges the default focusing area in image data;The figure that mobile terminal passes through transmission It as data are identified, and call and presets focusing area, default focusing area is to indicate range by sign, is set in advance The different focusing area pattern of fixed more sets, and respective menu is provided and is selected for user;User can be made to use ring according to different The suitable focal modes of border selection, meet the different demands of user.
Step C, image data is carried out converting and determine the sign position of default focusing area and to the indicateing arm The image data for knowing position makees translucent processing;The pixel in image data is numbered in mobile terminal, and according to preset Focusing area finds correctly focusing sign position, and the image data of focusing sign position is carried out successively by pixel Translucent processing is simultaneously converted into translucent image data.
Translucent processing method be the Y value of pixel is remained unchanged, U values and V values are set as pre-defined value;By moving Terminal presets U values and V values, and a constant can be arranged, and when U values and V values are 0, then the pixel is black and white, works as U The setting value of the normal display image of the setting value ratio of value and V values is small, then translucent treated pixel is schemed with normal display As there are significant differences for pixel, the translucent of pixel can be considered.
Step D, transformed image data is transmitted to screen display.
As shown in Figure 3, Figure 4, the step C in the present embodiment, image data convert and determines default focusing area Sign position and translucent processing is made to the image data of the sign position, the specific steps are:
C1, image data is obtained, and the pixel of image data is numbered, the numerical value of N for initializing calculator is equal to 1, number Value N corresponds to pixel number;For example, image is that the present embodiment opens what camera application was shown as shown in Figure 3 Image, the picture size are 20x16 totally 320 pixels(It is impossible in actual camera to have the so image of small size, sheet The function and feature of the image of embodiment so small size only to illustrate the invention), from left to right, from top to bottom, pixel according to Minor sort, the maximum value after pixel is numbered in image are 320.Technical characteristic is shown due to needing in Fig. 3, using one Determine gray proces pixel.
C2, judge whether the numerical value of N of calculator is less than or equal to the maximum value of pixel, it is no if yes then enter step C3 Then image real time transfer is completed;When the value of N is equal to pixel maximum value 320 in image, show counter to whole image Pixel scanning is completed.
C3, judge numerical value of N respective pixel number pixel whether be sign position pixel, if yes then enter step Rapid C4, otherwise enters step C5.
C4, the pixel is subjected to translucent processing.
C5, calculator numerical value of N is increased by 1, enters step C2 later.
Step C3 to C5 judges whether n-th pixel is focusing area pixel, according to focusing area shown in Fig. 4, that is, judges N whether be equal to following digital 35,36,37,44,45,46,51,62,67,78,243,254,259,270,275,276,277, 284,285,286, when the numerical value of N be equal to preset focusing area sign corresponding to pixel number when, by these The pixel of numbered positions carries out translucent processing.
When the numerical value of N not equal to preset focusing area sign corresponding to pixel number when, these are compiled The pixel of number position does not have to processing, normal output display, and so that the numerical value of N is increased by 1 on calculator, makes mobile terminal to N+1 The pixel of numerical value reference numeral is judged, repeats C2 steps to C5 steps.
By above-mentioned mobile terminal focal control method, keep the image of the sign position of focusing area semi-transparent apparent Show that there is apparent aberration compared with the image pixel of non-sign position, it is semi-transparent to ready-made apparent focusing area profile Bright sign, can not shielded image normal display.
The invention also includes the hardware embodiments based on the above method, as shown in figure 5, being a kind of mobile terminal, include It obtains for incuding external image and converting thereof into the optical sensor 100 of digital quantity, is electrically connected with optical sensor 100 And the central processing unit 200 for obtaining the image data of optical sensor 100 and image data being handled, storage device 400 And it is stored in the image processing program that can be run in storage device 400 and on central processing unit 200, for showing central processing The display screen 300 for the image data that the processing of device 200 is completed;
Central processing unit 200 includes image collection module 201 and image conversion module 202, and described image processing routine is by institute State the operating procedure that above-mentioned mobile terminal focal control method is realized when central processing unit 200 executes:
A, mobile terminal obtains image data by camera;
B, it identifies image data and judges the default focusing area in image data;
C, image data is carried out converting and determine the sign position of default focusing area and to the sign position Image data makees translucent processing;
D, transformed image data is transmitted to display screen and shows.
Mobile terminal obtains image data by optical sensor, and optical sensor is generally camera.
Image collection module 201 identifies image data and judges the default focusing area in image data;Image obtains mould The image data format that block 201 obtains is yuv format, and different focal modes, the coke of focal modes are preset in mobile terminal Point region is designed and is differed according to the difference of actual photographed scene, needs to be selected from the menu according to the use of user, image Acquisition module 201 judges focusing area according to the focal modes of user's selection simultaneously, when image data be after preparing focusing Image.
Image conversion module 202 determines the sign position for presetting focusing area and to the image of the sign position After data are converted and carry out translucent processing;
Transformed image data is transmitted to display screen 300 and shown by central processing unit 200.
When image processing program is executed by the central processing unit 200, above-mentioned shifting is also executed in image conversion module 202 Step in dynamic terminal focus control method:
C1, image data is obtained, and the pixel of image data is numbered, the numerical value of N for initializing calculator is equal to 1, number Value N corresponds to pixel number;
C2, judge whether the numerical value of N of calculator is less than or equal to the maximum value of pixel, it is otherwise no if yes then enter step C3 Then image real time transfer is completed;
C3, judge numerical value of N respective pixel number pixel whether be sign position pixel, if yes then enter step Otherwise C4 enters step C5;
C4, the pixel is subjected to translucent processing;
C5, calculator numerical value of N is increased by 1, enters step C2 later.
When image processing program is executed by the central processing unit 200, the translucent processing in image conversion module 202 Step is:The Y value of pixel is remained unchanged, U values and V values are set as pre-defined value.
The embodiment of the invention also includes have a kind of computer readable storage medium, the computer-readable recording medium storage There are one or multiple programs, one or more of programs can be executed by one or more processor, described in realization Mobile terminal focal control method in step.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect range.

Claims (10)

1. a kind of mobile terminal focal control method, which is characterized in that include following steps:
A, mobile terminal obtains image data by camera;
B, it identifies image data and judges the default focusing area in image data;
C, image data is carried out converting and determine the sign position of default focusing area and to the sign position Image data makees translucent processing;
D, transformed image data is transmitted to screen display.
2. mobile terminal focal control method according to claim 1, which is characterized in that the mobile terminal passes through camera shooting Head obtains image data, and image data format is yuv format.
3. mobile terminal focal control method according to claim 2, which is characterized in that the identification image data simultaneously Judge in the default focusing area in image data, default focusing area indicates range by sign, presets more Set focusing area simultaneously provides respective menu for user's selection.
4. mobile terminal focal control method according to claim 3, which is characterized in that carried out to image data described It converts and determines the sign position of default focusing area and translucent processing is made to the image data of the sign position, Its specific steps are:
C1, image data is obtained, and the pixel of image data is numbered, the numerical value of N for initializing calculator is equal to 1, number Value N corresponds to pixel number;
C2, judge whether the numerical value of N of calculator is less than or equal to the maximum value of pixel, it is otherwise no if yes then enter step C3 Then image real time transfer is completed;
C3, judge numerical value of N respective pixel number pixel whether be sign position pixel, if yes then enter step Otherwise C4 enters step C5;
C4, the pixel is subjected to translucent processing;
C5, calculator numerical value of N is increased by 1, enters step C2 later.
5. mobile terminal focal control method according to claim 4, which is characterized in that the translucent processing method is The Y value of pixel is remained unchanged, U values and V values are set as pre-defined value.
6. a kind of mobile terminal, which is characterized in that including:Optical sensor, central processing unit, storage device, display screen and Communication bus;
The optical sensor is obtained for incuding external image and converting thereof into digital quantity;
The image processing program that can be run on central processing unit is stored in the storage device;
The central processing unit includes image collection module and image conversion module, and described image acquisition module is from optical sensing Obtain image data at device, described image conversion module is according to the sign position of focusing area by the image data of the position Translucent conversion is carried out successively by pixel;
The display screen is used to show the image data that central processing unit processing is completed;
The communication bus is realized between optical sensor and central processing unit, between storage device and central processing unit, center Connection communication between processor and display screen;
Described image processing routine realizes following steps when being executed by the central processing unit:
A, mobile terminal obtains image data by camera;
B, it identifies image data and judges the default focusing area in image data;
C, image data is carried out converting and determine the sign position of default focusing area and to the sign position Image data makees translucent processing;
D, transformed image data is transmitted to display screen and shows.
7. wanting the mobile terminal described in 6 according to right, which is characterized in that the image data format that described image acquisition module obtains For yuv format.
8. mobile terminal according to claim 7, which is characterized in that the described image processing routine is by the centre When managing device execution, also executes and include the following steps in image conversion module:
C1, image data is obtained, and the pixel of image data is numbered, the numerical value of N for initializing calculator is equal to 1, number Value N corresponds to pixel number;
C2, judge whether the numerical value of N of calculator is less than or equal to the maximum value of pixel, it is otherwise no if yes then enter step C3 Then image real time transfer is completed;
C3, judge numerical value of N respective pixel number pixel whether be sign position pixel, if yes then enter step Otherwise C4 enters step C5;
C4, the pixel is subjected to translucent processing;
C5, calculator numerical value of N is increased by 1, enters step C2 later.
9. mobile terminal according to claim 8, which is characterized in that described image processing routine is by the central processing unit When execution, the translucent processing step in image conversion module is:
The Y value of pixel is remained unchanged, U values and V values are set as pre-defined value.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage there are one or Multiple programs, one or more of programs can be executed by one or more processor, to realize that claim 1-5 such as appoints Meaning one described in mobile terminal focal control method the step of.
CN201810978270.8A 2018-08-27 2018-08-27 A kind of mobile terminal focal control method, mobile terminal and storage medium Pending CN108737736A (en)

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Cited By (2)

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CN111314608A (en) * 2020-02-24 2020-06-19 珠海市它物云科技有限公司 Image focusing prompting method, computer device and computer readable storage medium
CN112235503A (en) * 2019-07-15 2021-01-15 北京字节跳动网络技术有限公司 Focusing test method and device, computer equipment and storage medium

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Application publication date: 20181102