CN104793742B - Shooting preview method and device - Google Patents
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- CN104793742B CN104793742B CN201510166413.1A CN201510166413A CN104793742B CN 104793742 B CN104793742 B CN 104793742B CN 201510166413 A CN201510166413 A CN 201510166413A CN 104793742 B CN104793742 B CN 104793742B
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Abstract
The present invention is applied to image display technology field, there is provided a kind of shooting preview method and device, methods described include：After intelligent terminal startup camera enters screening-mode, the current ISO sensitivity of the camera is obtained；When the ISO sensitivity is more than or equal to default first threshold, the display effect for the image that the camera is gathered is obtained；The display parameters of display screen are adjusted according to the display effect.The present invention realizes the display parameters that display screen is dynamically adjusted during shooting preview, and the preview effect of image that camera is collected on a display screen is effectively improved in the case of insufficient light, improves the experience sense of user.
Description
Technical field
The invention belongs to image display technology field, more particularly to a kind of shooting preview method and device.
Background technology
The camera of existing intelligent terminal is in the case of shooting environmental insufficient light, the noise for the image that camera is collected
It is more, image blur.Before shooting, the image that existing camera is collected would generally carry out preview on intelligent terminal.But
In the case of insufficient light, such as night, shown preview image is by camera properties and display screen on intelligent terminal
The influence of display parameters, display effect are poor.
The content of the invention
In consideration of it, the embodiment of the present invention provides a kind of shooting preview method and device, to adjust display screen on intelligent terminal
Display parameters compensate the deficiency of camera properties, preview effect during lifting shooting.
First aspect, there is provided a kind of shooting preview method, methods described include：
After intelligent terminal startup camera enters screening-mode, the current ISO sensitivity of the camera is obtained；
When the ISO sensitivity is more than or equal to default first threshold, the image that the camera is gathered is obtained
Display effect；
The display parameters of display screen are adjusted according to the display effect.
Further, after the display parameters of display screen are adjusted according to the display effect, methods described also includes：
When the ISO sensitivity is less than default first threshold, the display parameters of the display screen are recovered to adjusting
Preceding value.
Further, the display parameters include saturation degree, sharpness, colourity and/or contrast.
Further, it is described that the aobvious of display screen is adjusted according to the display effect when the display parameters are saturation degree
Show that parameter includes：
If the saturation degree of the image is less than Second Threshold, the display screen is improved according to the saturation degree of the image
Saturation degree.
Further, it is described that the aobvious of display screen is adjusted according to the display effect when the display parameters are sharpness
Show that parameter includes：
If the sharpness of the image is less than the 3rd threshold value, the display screen is improved according to the sharpness of the image
Sharpness.
Second aspect, there is provided a kind of shooting preview device, described device include：
First acquisition module, for starting in intelligent terminal after camera enters screening-mode, it is current to obtain the camera
ISO sensitivity；
Second module, for when the ISO sensitivity is more than or equal to default first threshold, obtaining the camera institute
The display effect of the image of collection；
Adjusting module, for adjusting the display parameters of display screen according to the display effect.
Further, described device also includes：
Recovery module, after the display parameters according to display effect adjustment display screen, in the ISO sensitivity
During less than default first threshold, the display parameters of the display screen are recovered to the value to adjustment.
Further, the display parameters include saturation degree, sharpness, colourity and/or contrast.
Further, when the display parameters are saturation degree, the adjusting module is specifically used for：
If the saturation degree of the image is less than Second Threshold, the display screen is improved according to the saturation degree of the image
Saturation degree.
Further, when the display parameters are sharpness, the adjusting module is specifically used for：
If the sharpness of the image is less than the 3rd threshold value, the display screen is improved according to the sharpness of the image
Sharpness.
Compared with prior art, the embodiment of the present invention is after intelligent terminal startup camera enters screening-mode, described in acquisition
The current ISO sensitivity of camera；When the ISO sensitivity is more than or equal to default first threshold, the camera institute is obtained
The display effect of the image of collection；The display parameters of display screen are adjusted according to the display effect；It is it is achieved thereby that pre- in shooting
The display parameters of display screen are dynamically adjusted during looking at, camera is effectively improved in the case of insufficient light and is collected
Image preview effect on a display screen, improve the experience sense of user.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the first implementation process figure of the shooting preview method that the embodiment of the present invention one provides；
Fig. 2 is the second implementation process figure of the shooting preview method that the embodiment of the present invention two provides；
Fig. 3 is the composition structure chart for the shooting preview device that the embodiment of the present invention three provides.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention obtains the current ISO senses of the camera after intelligent terminal startup camera enters screening-mode
Luminosity；When the ISO sensitivity is more than or equal to default first threshold, the display for the image that the camera is gathered is obtained
Effect；The display parameters of display screen are adjusted according to the display effect；It is achieved thereby that dynamically adjusted during shooting preview
The display parameters of whole display screen, image that camera is collected effectively is improved in the case of insufficient light on a display screen
Preview effect, improve the experience sense of user.The embodiment of the present invention additionally provides corresponding device, carries out individually below detailed
Explanation.
Embodiment one
Fig. 1 shows the first implementation process of the shooting preview method that the embodiment of the present invention one provides, for convenience of description,
It illustrate only the part related to the embodiment of the present invention.
In embodiments of the present invention, methods described is applied to intelligent terminal, and camera is provided with the intelligent terminal and is shown
Display screen.After screening-mode is entered, the display screen is used for the preview effect for showing the image that camera is collected.The intelligence
Terminal includes but is not limited to smart mobile phone, tablet personal computer etc..
As shown in figure 1, methods described includes：
In step S101, after intelligent terminal startup camera enters screening-mode, the current ISO senses of the camera are obtained
Luminosity.
In embodiments of the present invention, after intelligent terminal startup camera enters screening-mode, it is photosensitive to obtain the current ISO of camera
Degree.ISO sensitivity is the sensitivity of camera, namely camera sensor is to the sensitivity of shooting environmental light.In bright light
When, ISO sensitivity is low, and the noise for the image that camera is gathered is few, the good imaging quality of shown preview image on display screen.
On the contrary, during insufficient light, ISO sensitivity is high, and sensor is to light sensitive, but the noise of image that camera is gathered is more, shows
The image quality of shown preview image is poor in display screen.
In step s 102, when the ISO sensitivity is more than or equal to default first threshold, the camera institute is obtained
The display effect of the image of collection.
The embodiment of the present invention is previously according to different cameral, the performance of camera lens, and there is provided corresponding first threshold.Described first
Threshold value is the criterion of insufficient light when camera is shot, therefore, for different cameras, the parameter such as its camera lens or construction and
Performance is different, has different first thresholds.After the current ISO sensitivity of camera is got, by the ISO sensitivity and institute
First threshold is stated to be compared.If the ISO sensitivity is more than or equal to the first threshold, show the current shooting ring of camera
Environmental light deficiency, the display effect of the image that camera is gathered under such a environment on a display screen reduce.The embodiment of the present invention
The image that analysis camera is gathered in real time, to obtain the display effect of the image, and obtain the shadow for causing display effect to reduce
Ring parameter.
In step s 103, the display parameters of display screen are adjusted according to the display effect.
In embodiments of the present invention, the affecting parameters of display effect include but is not limited to saturation degree, sharpness, colourity and/
Or contrast, accordingly, the adjustable display parameters of display screen include but is not limited to saturation degree, sharpness, colourity and/or contrast
Degree.If above-mentioned a kind of or kind above display parameters decline, the setting of display parameters corresponding to display screen is correspondingly improved
Value, to compensate the display effect of the preview image for the image that camera collects in the case of insufficient light, lifts the body of user
Test sense.
Preferably, the embodiment of the present invention is tested and stores the saturation degree of image and the saturation degree arranges value of display screen in advance
Between corresponding relation, the saturation degree of image is smaller, and the saturation degree arranges value of display screen is higher；And there is provided Second Threshold,
Criterion as the arranges value for determining whether to improve display screen saturation degree.Gathered in step S102 by analyzing camera
When the saturation degree that image obtains the image declines, if the saturation degree of the image is less than Second Threshold, according to the image
Saturation degree improve the saturation degree of the display screen.Exemplarily, if the saturation degree of image is less than Second Threshold, and its value is
A1, if display screen saturation degree arranges value corresponding with A1 is B1, read the display screen saturation degree arranges value corresponding with A1
B1, the arranges value of display screen saturation degree is adjusted to B1, to compensate the saturation degree for the image that camera is collected, lifts display screen
The display effect of upper preview image.
Preferably, the embodiment of the present invention is tested and stores the sharpness of image and the sharpness arranges value of display screen in advance
Between corresponding relation, the sharpness of image is smaller, and the sharpness arranges value of display screen is higher；And there is provided the 3rd threshold value,
Criterion as the arranges value for determining whether to improve display screen sharpness.Gathered in step S102 by analyzing camera
When the sharpness that image obtains the image declines, if the sharpness of the image is less than the 3rd threshold value, according to the image
Sharpness improve the sharpness of the display screen.Exemplarily, if the sharpness of image is less than the 3rd threshold value, and its value is
A2, if display screen sharpness arranges value corresponding with A2 is B2, read the display screen sharpness arranges value corresponding with A2
B2, display screen sharpness is adjusted to B2, to compensate the sharpness for the image that camera is collected, lifts preview graph on display screen
The display effect of picture.It should be noted that the Second Threshold and/or the 3rd threshold value according to test man to different intelligent terminal phase
The actual test result of machine and display screen is set.
Preferably, the display screen includes but is not limited to LCD screen.
The embodiment of the present invention obtains the current ISO senses of the camera after intelligent terminal startup camera enters screening-mode
Luminosity；When the ISO sensitivity is more than or equal to default first threshold, the image capturing that is gathered according to the camera its
Display effect；The display parameters of display screen are adjusted according to the display effect；It is achieved thereby that moved during shooting preview
State adjusts the display parameters of display screen, and the image that camera is collected effectively is improved in the case of insufficient light and is being shown
Preview effect on screen, improve the experience sense of user.
Embodiment two
Fig. 2 shows the second implementation process of the shooting preview method that the embodiment of the present invention two provides, for convenience of description,
It illustrate only the part related to the embodiment of the present invention.
As shown in Fig. 2 methods described includes：
In step s 201, after intelligent terminal startup camera enters screening-mode, it is current that the camera is obtained in real time
ISO sensitivity.
In step S202, judge whether the ISO sensitivity is more than or equal to default first threshold.
In judged result when being, to judge the insufficient light of camera current shooting environment, step S203 is performed；Otherwise, sentence
Determine that the light of camera current shooting environment is moderate, be not required to adjust the display parameters of display screen.
In step S203, the display effect for the image that the camera is gathered is obtained.
In step S204, the display parameters of display screen are adjusted according to the display effect.
Wherein, the affecting parameters of the display effect for the image that camera is gathered include but is not limited to saturation degree, sharpness, color
Degree and/or contrast, accordingly, the adjustable display parameters of display screen include but is not limited to saturation degree, sharpness, colourity and/
Or contrast.If above-mentioned a kind of or kind above affecting parameters decline, display parameters corresponding to display screen are correspondingly improved
Arranges value, to compensate the preview effect for the image that camera is got in the case of insufficient light, lift the experience sense of user.
It is photosensitive in the ISO after the display parameters of display screen are adjusted according to the display effect in step S205
When degree is less than default first threshold, the display parameters of the display screen are recovered to the value to adjustment.
When the ISO photosensitive values for detecting camera are less than default first threshold, it is believed that the light of the shooting environmental of camera
Line brightness is moderate, it is not necessary to the display parameters of display screen is compensated, display parameters are reverted to conventional value by control display screen.
If have adjusted the display parameters of display screen according to the display effect before, the display parameters of the display screen are recovered to adjusting
Value before whole.Wherein, the default value of each display parameters when the conventional value is display screen normal work, for example, when dispatching from the factory it is each aobvious
Show the arranges value of parameter.
The embodiment of the present invention obtains the current ISO senses of the camera after intelligent terminal startup camera enters screening-mode
Luminosity；When the ISO sensitivity is more than or equal to default first threshold, according to shadow described in the image capturing that camera is gathered
The display effect of picture；The display parameters of display screen are adjusted according to the display effect；It is aobvious have adjusted according to the display effect
After the display parameters of display screen, if ISO photosensitive values are less than first threshold, before the display parameters of display screen are reverted into adjustment
Value；It is achieved thereby that the display parameters of display screen are dynamically adjusted during shooting preview, in the case of insufficient light
The preview effect of image that camera is collected on a display screen is effectively improved, improves the experience sense of user.
Embodiment three
Fig. 3 shows the composition structure for the shooting preview device that the embodiment of the present invention three provides, and for convenience of description, only shows
The part related to the embodiment of the present invention is gone out.
In embodiments of the present invention, described device is used to realize the shooting preview method described in Fig. 1 or Fig. 2 embodiments,
It can be the unit for being built in the software unit of intelligent terminal, hardware cell or software and hardware combining.The intelligent terminal includes
But it is not limited to smart mobile phone, tablet personal computer etc..Camera and display screen are additionally provided with the intelligent terminal.Into screening-mode
Afterwards, the display screen is used for the preview effect for showing the image that camera is collected.
As shown in figure 3, described device includes：
First acquisition module 31, for after intelligent terminal startup camera enters screening-mode, it is current to obtain the camera
ISO sensitivity.
Second acquisition module 32, for when the ISO sensitivity is more than or equal to default first threshold, described in acquisition
The display effect for the image that camera is gathered；
Adjusting module 33, for adjusting the display parameters of display screen according to the display effect.
Further, when the ISO photosensitive values for detecting camera are less than default first threshold, it is believed that the shooting ring of camera
The light luminance in border is moderate, it is not necessary to the display parameters of display screen is compensated, described device also includes：
Recovery module 34, it is photosensitive in the ISO after the display parameters according to display effect adjustment display screen
When degree is less than default first threshold, the display parameters of the display screen are recovered to the value to adjustment.
In embodiments of the present invention, the display parameters include but is not limited to saturation degree, sharpness, colourity and/or contrast
Degree.If above-mentioned listed parameter declines in the image that camera is gathered, setting for display parameters corresponding to display screen is correspondingly improved
Value is put, to compensate the preview effect for the image that camera is got in the case of insufficient light.Adjusted according to the display effect
After the display parameters of whole display screen, if the light of the shooting environmental of camera is moderate, conventional value is reverted to, that is, before adjusting
Value.The default value of each display parameters when the conventional value is display screen normal work, for example each display parameters are set when dispatching from the factory
Put value.
Preferably, when the display parameters are saturation degree, the adjusting module 33 is specifically used for：
If the saturation degree of the image is less than Second Threshold, the display screen is improved according to the saturation degree of the image
Saturation degree.
When the display parameters are sharpness, the adjusting module 33 is specifically additionally operable to：
If the sharpness of the image is less than the 3rd threshold value, the display screen is improved according to the sharpness of the image
Sharpness.
By the saturation degree and/or sharpness of the image collected according to camera, the display screen is accordingly improved
The arranges value of saturation degree and/or sharpness, when being shot to compensate under the low light of camera the problem of performance deficiency, improve the camera
The preview effect of the image collected on a display screen.
It should be noted that the device in the embodiment of the present invention can be used for realizing whole skills in above method embodiment
Art scheme, the function of its each functional module can be implemented according to the method in above method embodiment, and it is implemented
Process can refer to the associated description in above-described embodiment, and here is omitted.
The embodiment of the present invention obtains the current ISO senses of the camera after intelligent terminal startup camera enters screening-mode
Luminosity；When the ISO sensitivity is more than or equal to default first threshold, the image capturing institute that is gathered according to the camera
State the display effect of image；The display parameters of display screen are adjusted according to the display effect；Adjusted according to the display effect
After the display parameters of display screen, if the ISO photosensitive values are less than first threshold, the display parameters of display screen are recovered
Value before to adjustment；It is achieved thereby that the display parameters of display screen are dynamically adjusted during shooting preview, in insufficient light
In the case of effectively improve the preview effect of image that camera is collected on a display screen, improve the experience of user
Sense.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or unit
Letter connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. shooting preview method, it is characterised in that methods described includes：After intelligent terminal startup camera enters screening-mode, the current ISO sensitivity of the camera is obtained；When the ISO sensitivity is more than or equal to default first threshold, the display for the image that the camera is gathered is obtained The affecting parameters of effect；Wherein, the first threshold is the criterion of insufficient light when the camera is shot, the display effect The affecting parameters of fruit include saturation degree, sharpness, colourity and/or the contrast of the image；The display parameters of display screen are adjusted according to the affecting parameters of the display effect.
- 2. shooting preview method as claimed in claim 1, it is characterised in that display screen is being adjusted according to the display effect After display parameters, methods described also includes：When the ISO sensitivity is less than default first threshold, the display parameters of the display screen are recovered to adjustment Value.
- 3. shooting preview method as claimed in claim 1 or 2, it is characterised in that the display parameters include saturation degree, sharp keen Degree, colourity and/or contrast.
- 4. shooting preview method as claimed in claim 1, it is characterised in that described when the display parameters are saturation degree The display parameters of display screen are adjusted according to the display effect to be included：If the saturation degree of the image is less than Second Threshold, the saturation of the display screen is improved according to the saturation degree of the image Degree.
- 5. the shooting preview method as described in claim 1 or 4, it is characterised in that when the display parameters are sharpness, institute State includes according to the display parameters of display effect adjustment display screen：If the sharpness of the image is less than the 3rd threshold value, the sharp keen of the display screen is improved according to the sharpness of the image Degree.
- 6. a kind of shooting preview device, it is characterised in that described device includes：First acquisition module, for after intelligent terminal startup camera enters screening-mode, obtaining the current ISO senses of the camera Luminosity；Second module, for when the ISO sensitivity is more than or equal to default first threshold, obtaining the camera and being gathered Image display effect affecting parameters；Wherein, the first threshold is the judgement mark of insufficient light when the camera is shot Standard, the affecting parameters of the display effect include saturation degree, sharpness, colourity and/or the contrast of the image；Adjusting module, for adjusting the display parameters of display screen according to the affecting parameters of the display effect.
- 7. shooting preview device as claimed in claim 6, it is characterised in that described device also includes：Recovery module, after the display parameters according to display effect adjustment display screen, it is less than in the ISO sensitivity During default first threshold, the display parameters of the display screen are recovered to the value to adjustment.
- 8. shooting preview device as claimed in claims 6 or 7, it is characterised in that the display parameters include saturation degree, sharp keen Degree, colourity and/or contrast.
- 9. shooting preview device as claimed in claim 6, it is characterised in that described when the display parameters are saturation degree Adjusting module is specifically used for：If the saturation degree of the image is less than Second Threshold, the saturation of the display screen is improved according to the saturation degree of the image Degree.
- 10. the shooting preview device as described in claim 6 or 9, it is characterised in that when the display parameters are sharpness, The adjusting module is specifically used for：If the sharpness of the image is less than the 3rd threshold value, the sharp keen of the display screen is improved according to the sharpness of the image Degree.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105007472A (en) * | 2015-07-23 | 2015-10-28 | 广东欧珀移动通信有限公司 | Photo display method and device |
| CN107635103B (en) * | 2015-08-11 | 2020-02-14 | Oppo广东移动通信有限公司 | Image processing method, mobile terminal and medium product |
| CN105100628B (en) * | 2015-08-28 | 2018-11-06 | 上海与德通讯技术有限公司 | A kind of image capturing method and electronic equipment |
| CN105306788B (en) * | 2015-10-27 | 2018-05-15 | 广东欧珀移动通信有限公司 | A kind of noise-reduction method and device of image of taking pictures |
| KR101946436B1 (en) * | 2015-11-25 | 2019-02-11 | 후아웨이 테크놀러지 컴퍼니 리미티드 | A photographing method, a photographing apparatus, |
| CN107517351B (en) * | 2017-10-18 | 2020-03-24 | 广东小天才科技有限公司 | Photographing mode switching method and device |
| CN114422711B (en) * | 2022-03-29 | 2022-08-12 | 深圳市猿人创新科技有限公司 | Shooting equipment and software function and shooting parameter self-adaption method thereof |
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