CN105744158B - The method, device and mobile terminal that video image is shown - Google Patents
The method, device and mobile terminal that video image is shown Download PDFInfo
- Publication number
- CN105744158B CN105744158B CN201610077013.8A CN201610077013A CN105744158B CN 105744158 B CN105744158 B CN 105744158B CN 201610077013 A CN201610077013 A CN 201610077013A CN 105744158 B CN105744158 B CN 105744158B
- Authority
- CN
- China
- Prior art keywords
- distance
- video
- frame images
- video frame
- field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
Abstract
The invention discloses a kind of method, device and mobile terminal that video image is shown.This method comprises: obtaining the successive video frames image in preset time when detecting shooting video；The first distance when shooting the first frame video frame images of the successive video frames image between subject and camera is obtained, and obtains the second distance when shooting the last frame video frame images of the successive video frames image between subject and camera；According to the first distance and second distance, the relationship with focal length end distance threshold, determination show field angle used by the successive video frames image respectively；The successive video frames image is shown according to definitive result.The present invention realizes the difference according to subject at a distance from camera to switch field angle and show successive video frames image, the video frame images that different field angles are shown in one section of video is realized, so as to avoid the distortion of subject.
Description
Technical field
The present embodiments relate to video display technology more particularly to a kind of method, apparatus and shifting that video image is shown
Dynamic terminal.
Background technique
When recorded video, there are two types of scene is very common, a kind of scene be it is special clap portrait, one is clap people with
Large scene can generally be shot in the process of profession shooting using different camera lenses: when shooting portrait, use telephoto lens
To control distortion；It is shot when people is shot in conjunction with large scene using wide-angle lens.Wherein, the field angle of telephoto lens
Smaller, the field angle of wide-angle lens is larger.
Often occur reaching the switching of camera lens by focusing when shooting film, but most of mobile terminals only have
One tight shot, in practice often problem appear to is that the choice of wide-angle and focal length.When recorded video, recording
The video frame images of wide-angle or the video frame images of focal length can only be shown simultaneously in one section of video of system, and can not achieve wide
The switching at angle and focal length cannot show the video frame images of different field angles in the video that display is recorded.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method, device and mobile terminal that video image is shown, to realize
The video frame images of different field angles are shown in one section of video.
In a first aspect, the embodiment of the invention provides a kind of methods that video image is shown, which comprises
When detecting shooting video, the successive video frames image in preset time is obtained；
Obtain when shooting the first frame video frame images of the successive video frames image subject and camera it
Between first distance, and obtain when shooting the last frame video frame images of the successive video frames image subject with
Second distance between camera；
According to the first distance and second distance, the relationship with focal length end distance threshold, determining display are described continuous respectively
Field angle used by video frame images；
The successive video frames image is shown according to definitive result.
Second aspect, the embodiment of the invention also provides a kind of device that video image is shown, described device includes:
Video image obtains module, for obtaining the successive video frames figure in preset time when detecting shooting video
Picture；
Shooting distance obtains module, for obtaining when shooting the first frame video frame images of the successive video frames image
First distance between subject and camera, and obtain in the last frame video for shooting the successive video frames image
Second distance when frame image between subject and camera；
Field angle determining module, for according to the first distance and the second distance pass with focal length end distance threshold respectively
System determines field angle used by showing the successive video frames image；
Video image display module, for showing the successive video frames image according to definitive result.
The third aspect further includes that the present invention is any the embodiment of the invention also provides a kind of mobile terminal, including camera
The device that video image described in embodiment is shown.
The technical solution of the embodiment of the present invention, by obtaining the successive video frames figure in preset time when shooting video
Picture, and the first distance when shooting first frame video frame images between subject and camera is obtained, and shooting most
Second distance when a later frame video frame images between subject and camera, according to the first distance and second distance
Respectively with the relationship of focal length end distance threshold, field angle used by showing the successive video frames image is determined, and according to true
The fixed successive video frames image described as the result is shown realizes the difference according to subject at a distance from camera to switch view
Rink corner shows successive video frames image, realizes and shows the video frame images of different field angles in one section of video, to avoid
The distortion of subject.
Detailed description of the invention
Fig. 1 is the flow chart for the method that a kind of video image that the embodiment of the present invention one provides is shown；
Fig. 2 is the flow chart for the method that a kind of video image provided by Embodiment 2 of the present invention is shown；
Fig. 3 is the flow chart for the method that a kind of video image that the embodiment of the present invention three provides is shown；
Fig. 4 is the structural schematic diagram for the device that a kind of video image that the embodiment of the present invention four provides is shown.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
In description, only some but not all contents related to the present invention are shown in the drawings.
Embodiment one
Fig. 1 is the flow chart for the method that a kind of video image that the embodiment of the present invention one provides is shown, the present embodiment can fit
The case where for carrying out field angle switching to subject when shooting video, the dress that this method can be shown by video image
It sets to execute, the device which shows can integrate in mobile terminal, specifically comprise the following steps:
Step 110, when detecting shooting video, the successive video frames image in preset time is obtained.
User can be first turned on camera, then open video record when needing to record to certain scenes are interested
Function.Mobile terminal can detect that user opens the function of camera, and the figure that camera is captured by the icon of camera
It is shown as carrying out preview, detects that user opens the function of video record by the button or key of video record, that is, detect
It has arrived user to need to shoot video, after receiving user and clicking the order for recording button, has obtained the continuous view in preset time
Frequency frame image.
Step 120, obtain when shooting the first frame video frame images of the successive video frames image subject with
First distance between camera, and obtain and clapped when shooting the last frame video frame images of the successive video frames image
Take the photograph the second distance between object and camera.
When shooting the first frame video frame images of the successive video frames image, obtain subject and camera it
Between first distance；When shooting the last frame video frame images of the successive video frames image, obtain subject with
Second distance between camera, in order to determine the display successive video frames subsequently through first distance and second distance
Field angle used by image.
Wherein, the mode of the first distance and second distance is obtained preferably by phase-detection auto-focusing (Phase
Detection Auto Focus, PDAF) or mode of laser group obtained.
Wherein, the subject is preferably face, and focal length camera is relatively suitble to shooting character image, can be to avoid
The distortion of face.
Step 130, according to the first distance and second distance, the relationship with focal length end distance threshold, determination are shown respectively
Field angle used by the successive video frames image.
Wherein, field angle is also known as visual field, in optical instrument, using the camera lens of optical instrument as vertex, with measured target
Image can pass through the angle that two edges of the maximum magnitude of camera lens are constituted, referred to as field angle.The size of field angle determines
The field range of optical instrument, field angle is bigger, and the visual field is bigger, and optical power is with regard to smaller.
Under normal circumstances, field angle and the relationship of focal length are that the bigger focal length of field angle is shorter.Long focal length lens field angle
It is generally narrower than 40 °, such as: 2.5 millimeters of lens focus, field angle is 45 degree or so；5.0 millimeters of lens focus, field angle 23
Degree left and right；7.5 millimeters of lens focus, field angle is 14 degree or so；10 millimeters of lens focus, field angle is 12 degree or so；Camera lens
15 millimeters of focal length, field angle is 8 degree or so.
In embodiments of the present invention, field angle may be considered virtual field angle, because camera is in the terminal
Cameras with fixed focus is handled the video frame images got using the cameras with fixed focus here, to realize in display
When the image that shows be to be recorded using different field angles.According to the hardware characteristics of camera, two sets of modes can be preset:
Default wide-angle mode and default focal length mode, default wide-angle mode can be using the images that camera captures without handling i.e.
It has been shown that, default focal length mode will carry out cutting processing to the image that camera captures, cut out partial region therein come into
Row display.Default wide-angle mode may be considered the image that display wide-angle camera takes, and be suitable for shooting landscape works；In advance
If focal length mode may be considered the image that display focal length camera takes, it is suitable for target of the shooting in cluttered environment
Object.The field angle of default wide-angle mode is relatively large, and the field angle for presetting focal length mode is relatively small.Default wide-angle mode pair
The first preset field of view angle is answered, presets the corresponding second preset field of view angle of focal length mode, therefore, first preset field of view angle is greater than institute
State the second preset field of view angle.
When the distance between subject and camera are less than the focal length end distance threshold, using default focal length mould
Formula shows the image taken, i.e., is shown using the second preset field of view angle；When between subject and camera away from
When from being greater than the focal length end distance threshold, the image taken is shown using default focal length mode, i.e., it is default using first
Field angle is shown.
When the first distance and second distance are respectively less than or are equal to focal length end distance threshold, determines and show the company
Field angle used by continuous video frame images is the second preset field of view angle；When the first distance and second distance are all larger than focal length
When holding distance threshold, determine that field angle used by showing the successive video frames image is the first preset field of view angle；When described
First distance is less than or equal to focal length end distance threshold, when second distance is greater than focal length end distance threshold, determines with the second view
Rink corner shows the first frame video frame images in the successive video frames image, shows the successive video frames with the first field angle
Last frame video frame images in image remove first frame video frame images and last frame video frame in successive video frames image
Video frame images outside image can use the first field angle, can also use the second field angle, can also use the first visual field
Field angle between angle and the second field angle；When the first distance be greater than focal length end distance threshold, second distance be less than or
When equal to focal length end distance threshold, the first frame video frame figure shown in the successive video frames image with the first field angle is determined
Picture shows the last frame video frame images in the successive video frames image with the second field angle, in successive video frames image
Video frame images in addition to first frame video frame images and last frame video frame images can use the first field angle, can also be with
It, can also be using the field angle between the first field angle and the second field angle using the second field angle.
Step 140, the successive video frames image is shown according to definitive result.
According to every frame video frame images in determining successive video frames image in display used field angle, to phase
The video frame images answered carry out cutting processing, and show the indication range in video frame images determined by field angle.Here
Display refer to preview show and video save after display.
Wherein, the successive video frames image is shown according to definitive result, preferably included:
According to field angle used by the video frame images in the determining display successive video frames image, successively determine
The display area of the video frame images；
The video frame images in the display area are successively extracted, and are amplified to the size of the video frame images；
Successively display treated video frame images.
The focal length of the camera of mobile terminal is certain value, then the field angle of the video frame images got is also determining
, in the field angle in conjunction with used by the video frame images in the determining display successive video frames image, can determine every
The display area (display area i.e. centered on the center of the frame video frame images) of one frame video frame images, extracts display
Video frame images in region and the size for being amplified to the video frame images, treated, and video frame images are exactly in display
The video frame images at respective field of vision angle.
If the closer target object of shooting distance camera still uses the cameras with fixed focus of mobile terminal to shoot, and aobvious
Directly displaying when showing can make target object generate distortion, determine that each frame video frame images are adopted in display using the present embodiment
Field angle can avoid the occurrence of distortion.
The technical solution of the present embodiment, by when shooting video, obtaining the successive video frames image in preset time, and
The first distance when shooting first frame video frame images between subject and camera is obtained, and in shooting last frame
Second distance when video frame images between subject and camera, according to the first distance and second distance respectively with
The relationship of focal length end distance threshold determines field angle used by showing the successive video frames image, and according to definitive result
Show the successive video frames image, it is aobvious to switch field angle to realize the difference according to subject at a distance from camera
Show successive video frames image, realize the video frame images for showing different field angles in one section of video, so as to avoid being clapped
Take the photograph the distortion of object.
Embodiment two
Fig. 2 is the flow chart for the method that a kind of video image provided by Embodiment 2 of the present invention is shown, the present embodiment is in reality
On the basis of applying example one, to " according to the first distance and second distance, the relationship with focal length end distance threshold, determination are aobvious respectively
Show field angle used by the successive video frames image " it is optimized, specifically comprise the following steps:
Step 210, when detecting shooting video, the successive video frames image in preset time is obtained.
Step 220, obtain when shooting the first frame video frame images of the successive video frames image subject with
First distance between camera, and obtain and clapped when shooting the last frame video frame images of the successive video frames image
Take the photograph the second distance between object and camera.
Step 230, according to the relationship of the first distance and focal length end distance threshold, determine with the first preset field of view angle or
The second preset field of view of person angle shows the first frame video frame images.
If the first distance is less than or equal to focal length end distance threshold, it is determined that shown with the second preset field of view angle
First frame video frame images in the successive video frames image；If the first distance is greater than focal length end distance threshold,
It determines and the first frame video frame images is shown with the first preset field of view angle, so that the scene of shooting more has shock
Sense.Wherein, first field angle is greater than second preset field of view angle.
Step 240, according to the relationship of the second distance and focal length end distance threshold, determine with the first preset field of view angle or
The second preset field of view of person angle shows the last frame video frame images.
If the second distance is less than or equal to focal length end distance threshold, it is determined that shown with the second preset field of view angle
Last frame video frame images in the successive video frames image；If the second distance is greater than focal length end distance threshold,
It then determines and the last frame video frame images is shown with the first preset field of view angle.
Step 250, when determining the first preset field of view angle in the field angle and the second preset field of view angle shoot image
Opposite multiplying power.
Due to the real focal length of the camera of mobile terminal be it is certain, then with the default view in the first preset field of view angle or second
When rink corner shows the video frame images taken, needs to carry out cutting processing to video frame images to be shown, can just show
The video frame images at respective field of vision angle can be true since the first preset field of view angle and the second preset field of view angle are all definite values
Opposite multiplying power when determining with the first preset field of view angle and the second preset field of view angle shooting image.
Step 260, according to opposite multiplying power and the preset time, determine that being switched to second from the first preset field of view angle presets
Field angle or switching rate when being switched to the first preset field of view angle from the second preset field of view angle.
It is used when the first frame video frame images of successive video frames image and last frame video frame images are in display
Field angle difference when, need to put down the first frame video frame images shown with the first preset field of view angle or the second preset field of view angle
Sliding is switched to the last frame video frame images shown with the second preset field of view angle or the first preset field of view angle, this is just needed really
It is fixed to be switched to the second preset field of view angle from the first preset field of view angle or be switched to the first preset field of view from the second preset field of view angle
Switching rate when angle.Since it is determined opposite times when with the first preset field of view angle and the second preset field of view angle shooting image
Rate, and shooting time, that is, preset time of successive video frames image is preset definite value, therefore described in being easy to determine
Switching rate, multiplying power when image is shown in conjunction with the first preset field of view angle or the second preset field of view angle, then is easy to determine the
Multiplying power of the video frame images in display between one frame video frame images and last frame video frame images.
Step 270, the field angle according to used by the display of the switching rate, the determination first frame video frame images
With field angle used by the display last frame video frame images, determines and show in the successive video frames image except first
Field angle used by video frame images outside frame video frame images and last frame video frame images.
When show field angle used by first frame video frame images and display last frame video frame images used by
When field angle is identical, it is determined that the video frame images institute between display first frame video frame images and last frame video frame images
The field angle of use is also identical as field angle used by first frame video frame images and last frame video frame images；Work as display
When field angle used by first frame video frame images is different with field angle used by display last frame video frame images, then
Multiplying power when image is shown according to the switching rate and the first preset field of view angle or the second preset field of view angle, then it can be with
Determine multiplying power of each frame video frame images in display between first frame video frame images and last frame video frame images,
It may thereby determine that each frame video frame images used field angle in display.
Step 280, the successive video frames image is shown according to definitive result.
The technical solution of the present embodiment, by determining that display first frame video frame images are used according to first distance first
Field angle, according to second distance determine display last frame video frame images used by field angle, when display first frame view
Frequency frame image is switched to the with used by last frame video frame images when field angle difference, determining from the first preset field of view angle
Two preset field of view angles or from the second preset field of view angle determine after be the first preset field of view angle when switching rate, so as to true
Surely it shows field angle used by the video frame images between first frame video frame images and last frame video frame images, realizes
It smoothly switches to the video frame images shown with the second field angle from the video frame images shown with the first preset field of view angle, or
Person smoothly switches from the video frame images shown with the second preset field of view angle to the video frame figure shown with the first preset field of view angle
Picture avoids the mutation in display.
Embodiment three
Fig. 3 is the flow chart for the method that a kind of video image that the embodiment of the present invention three provides is shown, the present embodiment is upper
On the basis of stating embodiment, further preferably including " is to record the first distance and second from when shooting the video in the shooting video
Distance, and save as distance；The distance in preset time is counted, determines that shooting number is greater than the distance of preset times
Minimum value and maximum value；According to the minimum value and maximum value, focal length end distance threshold is adjusted ", it is specific to wrap
Include following steps:
Step 310, when detecting shooting video, the successive video frames image in preset time is obtained.
Step 320, obtain when shooting the first frame video frame images of the successive video frames image subject with
First distance between camera, and obtain and clapped when shooting the last frame video frame images of the successive video frames image
Take the photograph the second distance between object and camera.
Step 330, according to the first distance and second distance, the relationship with focal length end distance threshold, determination are shown respectively
Field angle used by the successive video frames image.
Step 340, the successive video frames image is shown according to definitive result.
It step 350, is to record the first distance and second distance, and save from when shooting the video in the shooting video
For distance.
Since user is in self-timer, the brachium of each user it is different (brachium of such as Yao Ming is longer than the brachium of general user,
And its face is also bigger than the face of general user), the focal length end distance threshold of such a determination fine cannot must be suitble to often
One user, thus can be according to self-timer when the record adjusted the distance, to be adjusted to focal length end distance threshold, to be suitble to difference
The user of brachium.Certainly, in self-timer, first distance and second distance also need the recognizable distance greater than face, because at this time
Subject is face, and the video frame images for only recognizing face shooting are just significant.
Step 360, the distance in preset time period is counted, determines that shooting number is greater than the distance of preset times
Minimum value and maximum value.
The preset time period can be set to one week or one month etc., multiple can preset comprising above-mentioned in the preset time period
Time is greater than default time to count in prolonged distance record to the distance of record with counting shooting number
The minimum value and maximum value of several distances.
Step 370, according to the minimum value and maximum value, focal length end distance threshold is adjusted.
According to the minimum value and maximum value, can determine the brachium of user length (when such as maximum value is larger, user's
Brachium is longer), when the brachium of user is longer, focal length end distance threshold is suitably increased into certain numerical value；When the arm of user
When long shorter, focal length end distance threshold is suitably reduced into certain numerical value.Specific increase or reduced numerical value can bases
The minimum value determines and (such as increases or reduced data can be the minimum value or 1/2, the 1/5 of the minimum value).
In order to which next time when shooting the video certainly, the focal length end distance threshold by adjusting after is used when frame of display video image to determine
Field angle.
The technical solution of the present embodiment on the basis of the above embodiments, by count when shooting the video certainly preset time period
Interior shooting distance, and the shooting distance is counted, obtain the minimum value that shooting number is greater than the distance of preset times
And maximum value, to be adjusted to focal length end distance threshold, to be suitble to the user of different brachiums.
Example IV
Fig. 4 is the structural schematic diagram for the device that a kind of video image that the embodiment of the present invention four provides is shown, such as Fig. 4 institute
Show, the device that video image described in the present embodiment is shown includes: that video image obtains module 410, shooting distance obtains module
420, field angle determining module 430 and video image display module 440.
Wherein, video image obtains module 410 and is used to obtain the continuous view in preset time when detecting shooting video
Frequency frame image；
Shooting distance obtains module 420 and is used to obtain the first frame video frame images shooting the successive video frames image
When subject and camera between first distance, and obtain in the last frame view for shooting the successive video frames image
Second distance when frequency frame image between subject and camera；
Field angle determining module 430 be used for according to the first distance and second distance respectively with focal length end distance threshold
Relationship determines field angle used by showing the successive video frames image；
Video image display module 440 is used to show the successive video frames image according to definitive result.
Preferably, the field angle determining module 430 is specifically used for:
According to the relationship of the first distance and focal length end distance threshold, determine pre- with the first preset field of view angle or second
If field angle shows the first frame video frame images；
According to the relationship of the second distance and focal length end distance threshold, determine pre- with the first preset field of view angle or second
If field angle shows the last frame video frame images；
Opposite times when determining the first preset field of view angle in the field angle and the second preset field of view angle shooting image
Rate；
According to opposite multiplying power and the preset time, determine from the first preset field of view angle be switched to the second preset field of view angle or
Switching rate when person is switched to the first preset field of view angle from the second preset field of view angle；
According to field angle used by the display of the switching rate, the determination first frame video frame images and display institute
Field angle used by last frame video frame images is stated, determines and shows in the successive video frames image except first frame video frame
Field angle used by video frame images outside image and last frame video frame images；
Wherein, first field angle is greater than second field angle.
Preferably, the video image display module 440 is specifically used for:
According to field angle used by the video frame images in the determining display successive video frames image, successively determine
The display area of the video frame images；
The video frame images in the display area are successively extracted, and are amplified to the size of the video frame images；
Successively display treated video frame images.
Preferably, it is to pass through phase that the shooting distance, which obtains module and obtains the first distance and the mode of second distance,
Detection auto-focusing or mode of laser group are obtained.
Preferably, further includes:
Shooting distance preserving module, for being to record the first distance and the from when shooting the video in the shooting video
Two distances, and save as distance；
It is default to determine that shooting number is greater than for counting the distance in preset time period for shooting distance statistical module
The minimum value and maximum value of the distance of number；
Focal length threshold adjustment module, for being carried out to focal length end distance threshold according to the minimum value and maximum value
Adjustment.
Wherein, the subject is preferably face.
The side that video image provided by any embodiment of the invention is shown can be performed in the device that above-mentioned video image is shown
Method has the corresponding functional module of execution method and beneficial effect.
Embodiment five
The embodiment of the present invention five provides a kind of mobile terminal, which includes camera, further includes that the present invention appoints
The device that the video image that one embodiment provides is shown, has the beneficial effect for the device that video image is shown.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (13)
1. a kind of method that video image is shown, this method is applied in mobile terminal, which is characterized in that the described method includes:
When detecting shooting video, the successive video frames image in preset time is obtained；
It obtains when shooting the first frame video frame images of the successive video frames image between subject and camera
First distance, and obtain subject and camera shooting when shooting the last frame video frame images of the successive video frames image
Second distance between head；
According to the first distance and the second distance relationship with focal length end distance threshold respectively, display described first is determined respectively
Field angle used by frame video frame images and the last frame video frame images, and showing the first frame video frame figure
When picture and field angle difference used by the last frame video frame images, determines and show its in the successive video frames image
Field angle used by his video frame images；
The successive video frames image is shown according to definitive result.
2. the method according to claim 1, wherein according to the first distance and second distance respectively with focal length
The relationship of distance threshold is held, determines show that the first frame video frame images and the last frame video frame images are adopted respectively
Field angle, and showing field angle used by the first frame video frame images and the last frame video frame images
When different, determine and shows field angle used by other video frame images in the successive video frames image, comprising:
According to the relationship of the first distance and focal length end distance threshold, determine with the first preset field of view angle or the second default view
Rink corner shows the first frame video frame images；
According to the relationship of the second distance and focal length end distance threshold, determine with the first preset field of view angle or the second default view
Rink corner shows the last frame video frame images；
Opposite multiplying power when determining the first preset field of view angle in the field angle and the second preset field of view angle shooting image；
When the first frame video frame images and the last frame video frame images are in display, used field angle is different
When, according to opposite multiplying power and the preset time, determine from the first preset field of view angle be switched to the second preset field of view angle or from
Second preset field of view angle is switched to switching rate when the first preset field of view angle；
According to field angle used by the display of the switching rate, the determination first frame video frame images and display most
Field angle used by a later frame video frame images is determined and is shown in the successive video frames image except first frame video frame images
With field angle used by the video frame images outside last frame video frame images；
Wherein, first preset field of view angle is greater than second preset field of view angle.
3. the method according to claim 1, wherein show the successive video frames image according to definitive result,
Include:
According to field angle used by the video frame images in the determining display successive video frames image, successively determine described in
The display area of video frame images；
The video frame images in the display area are successively extracted, and are amplified to the size of the video frame images；
Successively display treated video frame images.
4. method according to claim 1 to 3, it is characterised in that:
The mode for obtaining the first distance and second distance is to be obtained by phase-detection auto-focusing or mode of laser group
It takes.
5. method according to claim 1 to 3, which is characterized in that further include:
It is to record the first distance and second distance, and save as distance from when shooting the video in the shooting video；
The distance in preset time period is counted, determines that shooting number is greater than the minimum value and most of the distance of preset times
Big value；
According to the minimum value and maximum value, focal length end distance threshold is adjusted.
6. method according to claim 1 to 3, which is characterized in that the subject is face.
7. a kind of device that video image is shown, the device are integrated in mobile terminal, which is characterized in that described device includes:
Video image obtains module, for obtaining the successive video frames image in preset time when detecting shooting video；
Shooting distance obtains module, is clapped for obtaining when shooting the first frame video frame images of the successive video frames image
The first distance between object and camera is taken the photograph, and is obtained in the last frame video frame figure for shooting the successive video frames image
As when subject and camera between second distance；
Field angle determining module, for according to the first distance and the second distance relationship with focal length end distance threshold respectively,
Field angle used by showing the first frame video frame images and the last frame video frame images is determined respectively, and aobvious
When showing the first frame video frame images and field angle difference used by the last frame video frame images, display institute is determined
State field angle used by other video frame images in successive video frames image；
Video image display module, for showing the successive video frames image according to definitive result.
8. device according to claim 7, which is characterized in that the field angle determining module is specifically used for:
According to the relationship of the first distance and focal length end distance threshold, determine with the first preset field of view angle or the second default view
Rink corner shows the first frame video frame images；
According to the relationship of the second distance and focal length end distance threshold, determine with the first preset field of view angle or the second default view
Rink corner shows the last frame video frame images；
Opposite multiplying power when determining the first preset field of view angle in the field angle and the second preset field of view angle shooting image；
When the first frame video frame images and the last frame video frame images are in display, used field angle is different
When, according to opposite multiplying power and the preset time, determine from the first preset field of view angle be switched to the second preset field of view angle or from
Second preset field of view angle is switched to switching rate when the first preset field of view angle；
According to field angle used by the display of the switching rate, the determination first frame video frame images and display most
Field angle used by a later frame video frame images is determined and is shown in the successive video frames image except first frame video frame images
With field angle used by the video frame images outside last frame video frame images；
Wherein, first preset field of view angle is greater than second preset field of view angle.
9. device according to claim 7, which is characterized in that the video image display module is specifically used for:
According to field angle used by the video frame images in the determining display successive video frames image, successively determine described in
The display area of video frame images；
The video frame images in the display area are successively extracted, and are amplified to the size of the video frame images；
Successively display treated video frame images.
10. according to any device of claim 7-9, it is characterised in that:
It is automatically right by phase-detection that the shooting distance, which obtains module and obtains the first distance and the mode of second distance,
Burnt or mode of laser group is obtained.
11. according to any device of claim 7-9, which is characterized in that further include:
Shooting distance preserving module, for the shooting video be from shoot the video when, record the first distance and second away from
From, and save as distance；
Shooting distance statistical module determines that shooting number is greater than preset times for counting the distance in preset time period
The distance minimum value and maximum value；
Focal length threshold adjustment module, for being adjusted to focal length end distance threshold according to the minimum value and maximum value.
12. according to any device of claim 7-9, which is characterized in that the subject is face.
13. a kind of mobile terminal, including camera, which is characterized in that further include any video figure of claim 7-12
Device as shown in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077013.8A CN105744158B (en) | 2016-02-03 | 2016-02-03 | The method, device and mobile terminal that video image is shown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077013.8A CN105744158B (en) | 2016-02-03 | 2016-02-03 | The method, device and mobile terminal that video image is shown |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105744158A CN105744158A (en) | 2016-07-06 |
| CN105744158B true CN105744158B (en) | 2019-01-08 |
Family
ID=56245736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610077013.8A Expired - Fee Related CN105744158B (en) | 2016-02-03 | 2016-02-03 | The method, device and mobile terminal that video image is shown |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105744158B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495033B (en) * | 2018-03-28 | 2021-09-07 | 努比亚技术有限公司 | Photographing regulation and control method and device and computer readable storage medium |
| CN111861932B (en) * | 2020-07-28 | 2022-05-17 | RealMe重庆移动通信有限公司 | Image distortion correction method and device and mobile terminal |
| CN113556464B (en) * | 2021-05-24 | 2023-02-03 | 维沃移动通信有限公司 | Shooting method and device and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550011A (en) * | 2009-11-26 | 2012-07-04 | 株式会社日立制作所 | Image capture system, image capture method, and storage medium for storing image capture program |
| CN103442221A (en) * | 2013-08-30 | 2013-12-11 | 程治永 | Virtual PTZ system and method based on image zooming and cropping |
| CN103986871A (en) * | 2014-05-23 | 2014-08-13 | 华中科技大学 | Method and system for intelligent zoom video monitoring |
| CN105027032A (en) * | 2013-01-22 | 2015-11-04 | 科智库公司 | Scalable input from tracked object |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7639935B2 (en) * | 2007-03-28 | 2009-12-29 | Sony Ericsson Mobile Communications Ab | Zoom control |
| JP4715909B2 (en) * | 2008-12-04 | 2011-07-06 | ソニー株式会社 | Image processing apparatus and method, image processing system, and image processing program |
-
2016
- 2016-02-03 CN CN201610077013.8A patent/CN105744158B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550011A (en) * | 2009-11-26 | 2012-07-04 | 株式会社日立制作所 | Image capture system, image capture method, and storage medium for storing image capture program |
| CN105027032A (en) * | 2013-01-22 | 2015-11-04 | 科智库公司 | Scalable input from tracked object |
| CN103442221A (en) * | 2013-08-30 | 2013-12-11 | 程治永 | Virtual PTZ system and method based on image zooming and cropping |
| CN103986871A (en) * | 2014-05-23 | 2014-08-13 | 华中科技大学 | Method and system for intelligent zoom video monitoring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105744158A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5848561B2 (en) | Imaging apparatus, control method therefor, program, and storage medium | |
| US8237800B2 (en) | Main face choosing device, method for controlling same, and image capturing apparatus | |
| US8233078B2 (en) | Auto focus speed enhancement using object recognition and resolution | |
| CN104065859B (en) | A kind of acquisition methods and camera head of full depth image | |
| CN110542975B (en) | Zoom control device, image pickup apparatus, and control method of zoom control device | |
| US20040197096A1 (en) | Method and apparatus for controlling the depth of field using multiple user interface markers | |
| WO2014153950A1 (en) | Quick automatic focusing method and image acquisition device | |
| WO2012004682A2 (en) | Scene background blurring including range measurement | |
| US20130169835A1 (en) | Image capturing device with image blending function and method threrfor | |
| CN112887609B (en) | Shooting method and device, electronic equipment and storage medium | |
| US20140184792A1 (en) | Image processing apparatus and image processing method | |
| CN105744158B (en) | The method, device and mobile terminal that video image is shown | |
| JP2008205569A (en) | Imaging apparatus and method | |
| CN113014798A (en) | Image display method and device and electronic equipment | |
| JP2011048295A (en) | Compound eye photographing device and method for detecting posture of the same | |
| KR101094648B1 (en) | Auto Photograph Robot for Taking a Composed Picture and Method Thereof | |
| TWI524757B (en) | Image capturing device and digital zoom display method | |
| US10917556B2 (en) | Imaging apparatus | |
| CN102833484A (en) | Image pickup apparatus and control method thereof | |
| JP2010283706A (en) | Video camera | |
| CN105578015B (en) | Object tracing image processing method and its system | |
| US20110032390A1 (en) | Digital photographing apparatus and moving picture capturing method performed by the same | |
| US11283989B1 (en) | Digital camera with multi-subject focusing | |
| US20120188343A1 (en) | Imaging apparatus | |
| JP2016063397A (en) | Imaging apparatus, image display method and program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |