CN103763471A - Digital zoom method and device - Google Patents
Digital zoom method and device Download PDFInfo
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- CN103763471A CN103763471A CN201410019138.6A CN201410019138A CN103763471A CN 103763471 A CN103763471 A CN 103763471A CN 201410019138 A CN201410019138 A CN 201410019138A CN 103763471 A CN103763471 A CN 103763471A
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Abstract
The invention discloses a digital zoom method and device. The method includes the steps that a digital zoom position of a preview picture is determined according to digital zoom operation of a user, and a center datum point is defined according to the digital zoom position; the preview picture in the preset range with the center datum point as the center is amplified in a digital zoom mode and displayed. By means of the technical scheme, the user can freely select some area of the picture and amplify the area of the picture in the digital zoom mode, and thus using experience and photographing fun of the user are improved.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of Digital Zoom method and device.
Background technology
In the prior art, the Digital Zoom technology of digital camera product as shown in Figure 1, all using the central point of picture as datum mark, to carry out dwindling and amplifying of picture, and follow wide pixel number according to the length of the zoom multiple definition image amplifying, finally effectively this part pixel is presented on screen.
As mentioned above, the datum mark of Digital Zoom is fixed on the central point of picture, make user cannot amplify the target of oneself wanting in real experiences, if user thinks the flashlight packing box in the upper left corner in enlarged drawing 1, flashlight packing box must be aimed in the center of preview screen and just can carry out Digital Zoom amplification to it.
Summary of the invention
In view of the above problems, the present invention has been proposed to a kind of Digital Zoom method and device that overcomes the problems referred to above or address the above problem is at least in part provided.
The invention provides a kind of Digital Zoom method, comprising: according to user's Digital Zoom operation, determine the Digital Zoom position of preview screen, and according to Digital Zoom position definition center reference point; Preview screen in preset range centered by center reference point is carried out to Digital Zoom amplification demonstration.
Preferably, according to user's Digital Zoom operation, determine the Digital Zoom position of preview screen, and specifically comprise according to Digital Zoom position definition center reference point: the touch location using user on touch-screen is as the Digital Zoom position of preview screen, and define center reference point according to Digital Zoom position.
Preferably, according to user's Digital Zoom operation, determine the Digital Zoom position of preview screen, and specifically comprise according to Digital Zoom position definition center reference point: by screen divider, be N window, determine the central point of each window, and determine the window that carries out Digital Zoom, the point using the central point of this window as center reference according to user's Digital Zoom operation.
Preferably, the preview screen in the preset range centered by center reference point is carried out Digital Zoom amplification and show specifically comprise: the preview screen in the window at datum mark place, center is carried out to Digital Zoom amplification demonstration.
Preferably, Digital Zoom operation comprise following one of at least: the touch operation to touch-screen, menu setecting operation.
Preferably, said method further comprises: to carrying out the preview screen of Digital Zoom amplification demonstration, re-start automatic exposure, Automatic white balance and/or focusing operation automatically.
The present invention also provides a kind of Digital Zoom device, comprising: determination module, and for determine the Digital Zoom position of preview screen according to user's Digital Zoom operation, and according to Digital Zoom position definition center reference point; Digital Zoom module, for carrying out Digital Zoom amplification demonstration by the preview screen in the preset range centered by center reference point.
Preferably, determination module specifically for: the touch location using user on touch-screen as the Digital Zoom position of preview screen, and according to Digital Zoom position definition center reference point; Or, by screen divider, be N window, determine the central point of each window, and determine the window that carries out Digital Zoom, the point using the central point of this window as center reference according to user's Digital Zoom operation; Digital Zoom module specifically for: the preview screen in the window at datum mark place, center is carried out to Digital Zoom amplification demonstration.
Preferably, Digital Zoom operation comprise following one of at least: the touch operation to touch-screen, menu setecting operation.
Preferably, said apparatus further comprises: optimize module, the preview screen of carrying out Digital Zoom amplification demonstration for logarithmic code zoom modules re-starts automatic exposure, Automatic white balance and/or focusing operation automatically.
Beneficial effect of the present invention is as follows:
By datum mark centered by the optional position of user, carry out Digital Zoom amplification, solved the problem that in prior art, user cannot arbitrarily amplify the arbitrary target in preview screen, Digital Zoom amplification is carried out in certain region that can allow user choose at random picture, has improved user's experience and has taken enjoyment.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention.
Accompanying drawing explanation
By reading below detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing is only for the object of preferred implementation is shown, and do not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the effect schematic diagram of Digital Zoom in prior art;
Fig. 2 is the flow chart of the Digital Zoom method of the embodiment of the present invention;
Fig. 3 is that the embodiment of the present invention adopts mode one to carry out the detailed process chart of Digital Zoom;
Fig. 4 is the structural representation of the Digital Zoom device of the embodiment of the present invention.
Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although shown exemplary embodiment of the present disclosure in accompanying drawing, but should be appreciated that and can realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order more thoroughly to understand the disclosure that these embodiment are provided, and can be by the those skilled in the art that conveys to complete the scope of the present disclosure.
In order to solve the problem that in prior art, user cannot arbitrarily amplify the arbitrary target in preview screen, the invention provides a kind of Digital Zoom method and device, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, does not limit the present invention.
Embodiment of the method
According to embodiments of the invention, a kind of Digital Zoom method is provided, Fig. 2 is the flow chart of the Digital Zoom method of the embodiment of the present invention, as shown in Figure 2, according to the Digital Zoom method of the embodiment of the present invention, comprises following processing:
Step 201, determines the Digital Zoom position of preview screen, and defines center reference point according to described Digital Zoom position according to user's Digital Zoom operation;
In actual applications, the operation of performing step 201 specifically comprises two kinds of modes:
Mode one: the touch location using user on touch-screen is as the Digital Zoom position of described preview screen, and according to described Digital Zoom position definition center reference point.
Mode two: be N window by screen divider, determine the central point of each window, and determine the window that carries out Digital Zoom, the point using the central point of this window as center reference according to user's Digital Zoom operation.Wherein, the operation of described Digital Zoom comprise following one of at least: the touch operation to touch-screen, menu setecting operation.
For example, in actual applications, screen-picture can be divided into 9 windows of 3*3, the central point of 9 windows of definition, in advance the inductor coordinate range of Digital Zoom corresponding 9 central points (be it should be noted that, the scope of this inductor coordinate is the coordinate range of respective window) set, which window is the position judgment touching according to client be, then with the central point of this window, carries out Digital Zoom amplification.
Step 202, carries out Digital Zoom amplification demonstration by the preview screen in the preset range centered by described center reference point.
The in the situation that of step 201 employing mode two, the preview screen in the window at described center reference point place is carried out to Digital Zoom amplification demonstration.
Preferably, in order to make image display frame, more know that details is abundanter, color is more accurate, is carrying out after aforesaid operations, can also re-start automatic exposure, Automatic white balance and/or focusing operation automatically to carrying out the preview screen of Digital Zoom amplification demonstration.
Below in conjunction with accompanying drawing, the technical scheme of the embodiment of the present invention is elaborated.
Fig. 3 is that the embodiment of the present invention adopts mode one to carry out the detailed process chart of Digital Zoom, as shown in Figure 3, specifically comprises following processing:
Step 301, determines preview screen;
Step 302, judges whether user carries out Digital Zoom operation to described preview screen, if the judgment is Yes, and execution step 303, otherwise, return to step 301.It should be noted that, Digital Zoom operation can be touch operation or the menu operation of user to touch-screen, in embodiments of the present invention, with user, the touch of touch-screen is operating as to example and describes.
Step 303, determines the band of position of user's touch screen;
Step 304, the center reference point coordinates (X, Y) amplifying according to the band of position definition picture of user's touch screen;
Step 305, centered by center reference point coordinates (X, Y), cuts out preview screen, and the pixel count of output length and width is set;
Step 306, is sent to the image data of cut out areas on screen and shows;
Step 307, completes Digital Zoom amplifieroperation.
In sum, by means of the technical scheme of the embodiment of the present invention, by datum mark centered by the touch location by user, carry out Digital Zoom amplification, solved the problem that in prior art, user cannot arbitrarily amplify the arbitrary target in preview screen, Digital Zoom amplification is carried out in certain region that can allow user choose at random picture, has improved user's experience and has taken enjoyment.
Device embodiment
According to embodiments of the invention, a kind of Digital Zoom device is provided, Fig. 4 is the structural representation of the Digital Zoom device of the embodiment of the present invention, as shown in Figure 4, according to the Digital Zoom device of the embodiment of the present invention, comprise: determination module 40 and Digital Zoom module 42, below be described in detail the modules of the embodiment of the present invention.
Preferably, according to the said apparatus of the embodiment of the present invention, further comprise: optimize module, the preview screen of carrying out Digital Zoom amplification demonstration for logarithmic code zoom modules 42 re-starts automatic exposure, Automatic white balance and/or focusing operation automatically.
In sum, the embodiment of the present invention is carried out Digital Zoom amplification by datum mark centered by the touch location by user, solved the problem that in prior art, user cannot arbitrarily amplify the arbitrary target in preview screen, Digital Zoom amplification is carried out in certain region that can allow user choose at random picture, has improved user's experience and has taken enjoyment.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a Digital Zoom method, is characterized in that, comprising:
According to user's Digital Zoom operation, determine the Digital Zoom position of preview screen, and according to described Digital Zoom position definition center reference point;
Preview screen in preset range centered by described center reference point is carried out to Digital Zoom amplification demonstration.
2. the method for claim 1, is characterized in that, determines the Digital Zoom position of preview screen according to user's Digital Zoom operation, and specifically comprises according to described Digital Zoom position definition center reference point:
Touch location using user on touch-screen is as the Digital Zoom position of described preview screen, and according to described Digital Zoom position definition center reference point.
3. the method for claim 1, is characterized in that, determines the Digital Zoom position of preview screen according to user's Digital Zoom operation, and specifically comprises according to described Digital Zoom position definition center reference point:
By screen divider, be N window, determine the central point of each window, and determine the window that carries out Digital Zoom, the point using the central point of this window as center reference according to user's Digital Zoom operation.
4. method as claimed in claim 3, is characterized in that, the preview screen in the preset range centered by described center reference point is carried out to Digital Zoom amplification and show specifically comprising:
Preview screen in the window at described center reference point place is carried out to Digital Zoom amplification demonstration.
5. method as claimed in claim 3, is characterized in that, the operation of described Digital Zoom comprise following one of at least: the touch operation to touch-screen, menu setecting operation.
6. the method for claim 1, is characterized in that, described method further comprises: to carrying out the preview screen of Digital Zoom amplification demonstration, re-start automatic exposure, Automatic white balance and/or focusing operation automatically.
7. a Digital Zoom device, is characterized in that,
Determination module, for determine the Digital Zoom position of preview screen according to user's Digital Zoom operation, and according to described Digital Zoom position definition center reference point;
Digital Zoom module, for carrying out Digital Zoom amplification demonstration by the preview screen in the preset range centered by described center reference point.
8. device as claimed in claim 7, is characterized in that, described determination module specifically for:
Touch location using user on touch-screen is as the Digital Zoom position of described preview screen, and according to described Digital Zoom position definition center reference point; Or,
By screen divider, be N window, determine the central point of each window, and determine the window that carries out Digital Zoom, the point using the central point of this window as center reference according to user's Digital Zoom operation;
Described Digital Zoom module specifically for: the preview screen in the window at described center reference point place is carried out to Digital Zoom amplification demonstration.
9. device as claimed in claim 8, is characterized in that, the operation of described Digital Zoom comprise following one of at least: the touch operation to touch-screen, menu setecting operation.
10. device as claimed in claim 7, is characterized in that, described device further comprises:
Optimize module, for the preview screen that described Digital Zoom module is carried out to Digital Zoom amplification demonstration, re-start automatic exposure, Automatic white balance and/or focusing operation automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019138.6A CN103763471A (en) | 2014-01-16 | 2014-01-16 | Digital zoom method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410019138.6A CN103763471A (en) | 2014-01-16 | 2014-01-16 | Digital zoom method and device |
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| CN105049640A (en) * | 2015-08-31 | 2015-11-11 | 努比亚技术有限公司 | Device and method for realizing focusing |
| CN105578036A (en) * | 2015-12-14 | 2016-05-11 | 惠州Tcl移动通信有限公司 | Point focusing method of shooting images, system and mobile terminal |
| CN105827928A (en) * | 2015-01-05 | 2016-08-03 | 中兴通讯股份有限公司 | Focusing area selection method and focusing area selection device |
| WO2016154806A1 (en) * | 2015-03-27 | 2016-10-06 | 华为技术有限公司 | Automatic zooming method and device |
| CN106101557A (en) * | 2016-07-29 | 2016-11-09 | 广东欧珀移动通信有限公司 | Lens zoom method and apparatus and mobile terminal |
| CN108200350A (en) * | 2018-03-30 | 2018-06-22 | 努比亚技术有限公司 | Autozoom image pickup method, mobile terminal and computer readable storage medium |
| CN111885305A (en) * | 2020-07-28 | 2020-11-03 | Oppo广东移动通信有限公司 | Preview picture processing method and device, storage medium and electronic equipment |
| WO2021017713A1 (en) * | 2019-07-29 | 2021-02-04 | 维沃移动通信有限公司 | Photographing method and mobile terminal |
| CN112887607A (en) * | 2021-01-26 | 2021-06-01 | 维沃移动通信有限公司 | Shooting prompting method and device |
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| CN105827928A (en) * | 2015-01-05 | 2016-08-03 | 中兴通讯股份有限公司 | Focusing area selection method and focusing area selection device |
| US10317777B2 (en) | 2015-03-27 | 2019-06-11 | Huawei Technologies Co., Ltd. | Automatic zooming method and apparatus |
| WO2016154806A1 (en) * | 2015-03-27 | 2016-10-06 | 华为技术有限公司 | Automatic zooming method and device |
| CN106464799A (en) * | 2015-03-27 | 2017-02-22 | 华为技术有限公司 | Automatic zooming method and device |
| CN105049640B (en) * | 2015-08-31 | 2018-05-08 | 努比亚技术有限公司 | A kind of apparatus and method for realizing focusing |
| CN105049640A (en) * | 2015-08-31 | 2015-11-11 | 努比亚技术有限公司 | Device and method for realizing focusing |
| CN105578036A (en) * | 2015-12-14 | 2016-05-11 | 惠州Tcl移动通信有限公司 | Point focusing method of shooting images, system and mobile terminal |
| CN105578036B (en) * | 2015-12-14 | 2019-01-04 | 惠州Tcl移动通信有限公司 | A kind of point focusing method, system and mobile terminal shooting image |
| CN106101557A (en) * | 2016-07-29 | 2016-11-09 | 广东欧珀移动通信有限公司 | Lens zoom method and apparatus and mobile terminal |
| CN108200350A (en) * | 2018-03-30 | 2018-06-22 | 努比亚技术有限公司 | Autozoom image pickup method, mobile terminal and computer readable storage medium |
| WO2021017713A1 (en) * | 2019-07-29 | 2021-02-04 | 维沃移动通信有限公司 | Photographing method and mobile terminal |
| CN111885305A (en) * | 2020-07-28 | 2020-11-03 | Oppo广东移动通信有限公司 | Preview picture processing method and device, storage medium and electronic equipment |
| CN112887607A (en) * | 2021-01-26 | 2021-06-01 | 维沃移动通信有限公司 | Shooting prompting method and device |
| CN112887607B (en) * | 2021-01-26 | 2022-08-26 | 维沃移动通信有限公司 | Shooting prompting method and device |
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Application publication date: 20140430 |