CN104902144A - Rotary camera-based video-tracking method and terminal - Google Patents
Rotary camera-based video-tracking method and terminal Download PDFInfo
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- CN104902144A CN104902144A CN201510260770.4A CN201510260770A CN104902144A CN 104902144 A CN104902144 A CN 104902144A CN 201510260770 A CN201510260770 A CN 201510260770A CN 104902144 A CN104902144 A CN 104902144A
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Abstract
The embodiment of the invention discloses a rotary camera-based video-tracking method, comprising the steps as follows: starting a rotary video recording mode of a terminal camera; obtaining a target recording object which is set by the user, and determining moving data of the target recording object according to a moving state of the target recording object; determining a rotary direction of the camera according to the moving direction of the target recording object, and determining rotational speed and rotational acceleration of the camera according to the moving speed and acceleration of the target recording object; triggering the camera to perform rotary video recording according to an original state and the rotational speed of the camera, and rotating the camera in the rotary direction according to the rotational acceleration to keep the relative positions of the camera and the target recording object unchanged. The embodiment of the invention further discloses a terminal. The rotary camera-based video-tracking method and the terminal of the embodiment of the invention could strengthen operational stability of the tracking videos of target persons, thereby improving recording quality of the video and user experience of the terminal video recording.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of tracking kinescope method based on rotating camera and terminal.
Background technology
Current along with day by day popularizing of mobile phone and becoming stronger day by day of mobile phone camera recording function, increasing cellphone subscriber likes with mobile phone photograph or video recording.In prior art, when cellphone subscriber follows the trail of video recording with the personage of the mobile phone recording function application scenarios such as carry out that outdoor activities or personage perform, need handheld device to carry out tracking and record.If the video record time is longer, will there is arm shake or the hand-held phenomenon such as highly unstable because of the arm overweight phenomenon of body burden such as to ache in the user of handheld device; Or in video record process, because the movement of handheld device and record in the asynchronous or handheld mobile device process of the movement of object phenomenons such as shaking, make video record difficulty large, video record is of poor quality, poor user experience.
Summary of the invention
The embodiment of the present invention provides a kind of tracking kinescope method based on rotating camera and terminal, by rotating camera, tracking video recording is carried out to target person, enhance the operational stability of video record, improve the recording quality of video, strengthen the Consumer's Experience that terminal video is recorded.
Embodiment of the present invention first aspect provides a kind of tracking kinescope method based on rotating camera, and it can comprise:
Start the rotation RECORD mode of terminal camera;
The target obtaining user's setting records object, and determines that described target records the Mobile data of object according to the mobile status of described target recording object, and described Mobile data comprises: at least one in moving direction, translational speed and translational acceleration;
The moving direction recording object according to described target determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera;
Trigger described camera according to the initial condition of described camera and described rotary speed and carry out rotation video recording, and rotate to described direction of rotation according to described rotary acceleration, to keep the relative position of described camera and described target recording object constant state, object is recorded to described target and carry out tracking video recording.
Wherein, the target of described acquisition user setting records object, comprising:
Obtain the video recording preview screen under the rotation RECORD mode of described camera, and export described video recording preview screen the user interface of terminal to, record object with warning terminal user selected target from described video recording preview screen;
Obtain the user operation instruction on described user interface, determine that the described target that described user selectes records object according to described user operation instruction.
Wherein, the described mobile status according to described target recording object determines that described target records the Mobile data of object, comprising:
According to described target record the initial condition of object and described target record object at the appointed time in moving displacement, determine that described target records the moving direction of object, translational speed and translational acceleration.
Wherein, the described moving direction recording object according to described target determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera, comprising:
The moving direction being set to the direction of rotation of described camera to record with described target object is consistent;
The rotary speed of described camera is determined according to the initial rotation state of described camera and the translational speed of described target recording object, and the translational acceleration being set to the rotary acceleration of described camera to record with described target object is consistent, records object to make described camera and described target and preserve geo-stationary.
Wherein, the described initial condition according to described camera and described rotary speed trigger described camera and carry out rotation video recording, and according to described rotary acceleration to after described direction of rotation is rotated, described method also comprises:
Obtain described target if do not detect in preset time threshold and record object, then make described camera terminate video record, and described video data is stored to designated memory space.
Embodiment of the present invention first aspect provides a kind of terminal, and described terminal comprises camera, also can comprise:
Start module, for starting the rotation RECORD mode of terminal camera;
First determination module, after starting the rotation RECORD mode of described camera in described startup module, the target obtaining user's setting records object, and determine that described target records the Mobile data of object according to the mobile status of described target recording object, described Mobile data comprises: at least one in moving direction, translational speed and translational acceleration;
Second determination module, the moving direction that described target for determining according to described first determination module records object determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera;
Tracing module, described rotary speed for determining according to initial condition and described second determination module of described camera triggers described camera and carries out rotation video recording, and rotate to described direction of rotation according to described rotary acceleration, to keep the relative position of described camera and described target recording object constant state, object is recorded to described target and carry out tracking video recording.
Wherein, described first determination module, specifically for:
Obtain the video recording preview screen under the rotation RECORD mode of described camera, and export described video recording preview screen the user interface of terminal to, record object with warning terminal user selected target from described video recording preview screen;
Obtain the user operation instruction on described user interface, determine that the described target that described user selectes records object according to described user operation instruction.
Wherein, described first determination module, specifically for:
According to described target record the initial condition of object and described target record object at the appointed time in moving displacement, determine that described target records the moving direction of object, translational speed and translational acceleration.
Wherein, described second determination module, specifically for:
The moving direction being set to the direction of rotation of described camera to record with described target object is consistent;
The rotary speed of described camera is determined according to the initial rotation state of described camera and the translational speed of described target recording object, and the translational acceleration being set to the rotary acceleration of described camera to record with described target object is consistent, records object to make described camera and described target and preserve geo-stationary.
Wherein, described tracing module also for:
Do not detect in preset time threshold obtain described target record object time, make described camera terminate video record, and described video data be stored to designated memory space.
The target that the embodiment of the present invention can obtain terminal use's setting records object, the moving direction of object is recorded according to target, the direction of rotation of the Mobile data such as translational speed and translational acceleration determination terminal camera, rotary speed and rotary acceleration, and then camera can be made according to determining that rotary speed and acceleration rotate to direction of rotation, the tracking video recording that object carries out geo-stationary is recorded to target, personage's tracking is carried out without the need to terminal use's hand-held camera, enhance the operational stability of following the trail of video recording, improve the recording quality of video, the personage strengthening terminal follows the trail of the Consumer's Experience of recording function.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the embodiment schematic flow sheet of the tracking kinescope method based on rotating camera that the embodiment of the present invention provides;
Fig. 2 is the example structure schematic diagram of the terminal that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In specific implementation, terminal described in the embodiment of the present invention can comprise: mobile phone, panel computer, personal computer assistant, Digital Video (Digital Video, or auto heterodyne emperorship etc. DV), above-mentioned terminal is only citing, and it is non exhaustive, including but not limited to above-mentioned terminal, do not limit at this.Below will for mobile phone, the tracking kinescope method based on rotating camera that composition graphs 1 to Fig. 2 provides the embodiment of the present invention and terminal are specifically described.
In specific implementation, the mobile phone described in the embodiment of the present invention has rotating camera, and the rotating camera of mobile phone can be carried out rotation according to direction of rotation, rotary speed, rotary acceleration and the anglec of rotation preset and be taken pictures or record a video.Concrete, mobile phone also can possess the support of rotating camera, can be used for supporting mobile phone and is fixedly placed in horizontal table top, or is suspended on branch, hook or rope so that mobile phone is fixed on assigned address.Mobile phone is fixed on water surface desktop by support, restart rotating camera and carry out rotary taking or video recording, rotary taking or video recording is carried out without the need to cellphone subscriber is hand-held, can prevent arm in photograph taking or video record process from shaking the impact brought, the stability of photograph taking or video record can be strengthened, improve the quality of video record.In specific implementation, the tracking video recording of character activities that the tracking kinescope method based on rotating camera that the embodiment of the present invention provides is applicable, the tracking video recording of such as child, also be applicable to personage's performance or specify the personage in the active procedure of mobile project to follow the trail of video recording, the video quality that personage follows the trail of video recording can be improve, enhance the Consumer's Experience of terminal.
See Fig. 1, it is the embodiment schematic flow sheet of the tracking kinescope method based on rotating camera that the embodiment of the present invention provides.Method described by the embodiment of the present invention, comprises step:
S101, starts the rotation RECORD mode of terminal camera.
In the execution mode that some are feasible, mobile phone can preset the Starting mode of the rotation RECORD mode of camera, and then can start the rotation RECORD mode of rotating camera according to the Starting mode preset.Wherein, the Starting mode of the rotation RECORD mode of above-mentioned rotating camera can comprise: button startup, gesture startup or password startup etc.That is, mobile phone can preset startup button or the initiation gesture of the rotation RECORD mode starting rotating camera, or starts password.Cellphone subscriber can click the rotation RECORD mode of the startup button triggering handset starting camera of the rotation RECORD mode of mobile phone camera; Or on the user interface of mobile phone, draw appointment gesture, trigger the rotation RECORD mode of handset starting camera; Or password is specified in input on the user interface of mobile phone, trigger the rotation RECORD mode of handset starting camera.
In specific implementation, first mobile phone can start the recording mode of camera, such as, started the recording mode etc. of camera by the recording button of camera.After the recording mode of handset starting camera, if mobile phone detects the operational order on the startup button obtaining above-mentioned rotation recording module, or rotate the initiation gesture or startup password of recording module, then can start the rotation RECORD mode of camera, and then carry out video record by camera target acquisition personage and to the speech of target person.
S102, the target obtaining user's setting records object, and determines that described target records the Mobile data of object according to the mobile status of described target recording object, and described Mobile data comprises: at least one in moving direction, translational speed and translational acceleration.
In the execution mode that some are feasible, after the handset starting rotation RECORD mode of camera, by mobile phone display screen, cellphone subscriber sees that camera is rotating the video recording preview screen under RECORD mode.Concrete, after the rotation RECORD mode of handset starting camera, the video recording preview screen under the rotation RECORD mode of camera can be obtained, and the video recording preview screen got is exported to the user interface of mobile phone, record object with prompting mobile telephone set user selected target from above-mentioned video recording preview screen.In specific implementation, the user interface of mobile phone specifically can be the display screen of mobile phone, also can be the touch-screen of mobile phone simultaneously, and namely the display screen of mobile phone and touch-screen can be same screen, and can be used as the user interface of mobile phone.Cellphone subscriber can click on mobile phone display screen, touch or slip gesture, chooses target to record object by the mode of operation of specifying from video recording preview screen.According to modes such as user's click, touch or slip gestures, mobile phone, by obtaining the user operation instruction on display screen, determines that the target that cellphone subscriber selectes records object.
In the execution mode that some are feasible, mobile phone determines after target that cellphone subscriber selectes records object, then the mobile status determination target can recording object according to the target detected in video recording preview screen records the Mobile data of object.Wherein, above-mentioned Mobile data can comprise: moving direction, translational speed and translational acceleration etc., do not limit at this.In specific implementation, mobile phone can record the initial condition of object according to target in video recording preview screen, and target records the at the appointed time interior moving displacement of object, determines the moving direction of target recording object, translational speed and translational acceleration.Such as, if it is inactive state that target records object initial condition, and the air line distance that target records object movement in 1 second is 2 meters, then can determine that the translational speed of target recording object is 2m/s, moving direction is the direction of displacement that target records object, and translational acceleration is 2m/s^2.Mobile phone determines after target records the moving direction of object, translational speed and translational acceleration, the move mode then can recording object according to target controls rotating camera and rotates with identical Mobile data, with the geo-stationary keeping camera lens and target to record object.
S103, the moving direction recording object according to described target determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera.
In the execution mode that some are feasible, mobile phone determines after target records the moving direction of object, translational speed and translational acceleration, the moving direction that then direction of rotation of camera can be set to record with target object is consistent, such as, to ensure that target records the assigned address that object appears at the camera lens of camera all the time, in the middle of camera lens.In addition, mobile phone also can record the rotary speed of the translational speed determination camera of object according to the initial rotation state of camera and target.Such as, if the initial rotation state of camera is static, the translational speed that the rotary speed of camera then can be set to record with target object by mobile phone is identical, such as 2m/s, the translational acceleration that also acceleration of camera in current direction of rotation can be set to record with target object is consistent, with the geo-stationary keeping camera and target to record object.Namely, mobile phone can record velocity of rotation and the acceleration that the data such as the translational speed of object and acceleration regulate camera according to target, mobile phone can be kept to immobilize, rotated by camera and tracking video recording is carried out to the target recording object in movement, reduce the operation easier that target records the tracking video recording of object, improve the quality of video record.
S104, trigger described camera according to the initial condition of described camera and described rotary speed and carry out rotation video recording, and rotate to described direction of rotation according to described rotary acceleration, to keep the relative position of described camera and described target recording object constant state, object is recorded to described target and carry out tracking video recording.
In the execution mode that some are feasible, after the velocity of rotation that mobile phone determines camera and rotation acceleration, then can trigger according to the initial condition of camera the moving direction that camera records object to target to rotate, and can rotate according to the above-mentioned velocity of rotation determined and acceleration and object is recorded to target carry out trackings recording.Ensure that camera and target record the relative position of object by the rotation of camera constant, under camera and target record the constant state of the relative position of object, object is recorded to described target and carry out trackings and record a video.Cellphone subscriber carries out tracking without the need to handheld device and records, and can to reduce in video record process the phenomena impair video record quality such as arm shake, also can reduce the workload that target records the tracking video recording of object, enhance the Consumer's Experience of video record.
In the execution mode that some are feasible, mobile phone is recorded object by rotating camera to target and is carried out, in tracking video process, also making rotating camera terminate video record by time controling.In specific implementation, mobile phone can preset a time threshold, controls rotating camera proceed video record and still terminate video record by this time threshold.In specific implementation, mobile phone can, when camera can't detect target recording object, determine whether to terminate video record by above-mentioned time threshold.If camera can't detect target and records object in the time threshold preset, mobile phone then can make camera terminate video record, and the video data that camera is recorded is stored to designated memory space.That is, cellphone subscriber is without the need to manually terminating the video record of camera, and mobile phone can record according to target the video record function that the detection of object and default time threshold judge whether to close camera voluntarily, and then can realize the automatic closedown that camera video records.Wherein, above-mentioned designated memory space can comprise the internal storage space of mobile phone, or the outer diffuser space of mobile phone (such as SD card), or network storage space (cloud storage space of such as mobile phone) etc., do not limit at this.
In embodiments of the present invention, the target that mobile phone can obtain terminal use's setting records object, the moving direction of object is recorded according to target, the direction of rotation of the Mobile data such as translational speed and translational acceleration determination terminal camera, rotary speed and rotary acceleration, and then camera can be made according to determining that rotary speed and acceleration rotate to direction of rotation, the tracking video recording that object carries out geo-stationary is recorded to target, personage's tracking is carried out without the need to terminal use's hand-held camera, enhance the operational stability of following the trail of video recording, improve the recording quality of video, the personage strengthening terminal follows the trail of the Consumer's Experience of recording function.
See Fig. 2, it is the example structure schematic diagram of the terminal that the embodiment of the present invention provides.The terminal that the embodiment of the present invention provides, comprises camera 50, also comprises:
Start module 10, for starting the rotation RECORD mode of terminal camera.
First determination module 20, after starting the rotation RECORD mode of described camera in described startup module, the target obtaining user's setting records object, and determine that described target records the Mobile data of object according to the mobile status of described target recording object, described Mobile data comprises: at least one in moving direction, translational speed and translational acceleration.
Second determination module 30, the moving direction that described target for determining according to described first determination module records object determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera.
Tracing module 40, described rotary speed for determining according to initial condition and described second determination module of described camera triggers described camera and carries out rotation video recording, and rotate to described direction of rotation according to described rotary acceleration, to keep the relative position of described camera and described target recording object constant state, object is recorded to described target and carry out tracking video recording.
In the execution mode that some are feasible, above-mentioned first determination module 20, specifically for:
Obtain the video recording preview screen under the rotation RECORD mode of described camera, and export described video recording preview screen the user interface of terminal to, record object with warning terminal user selected target from described video recording preview screen;
Obtain the user operation instruction on described user interface, determine that the described target that described user selectes records object according to described user operation instruction.
In the execution mode that some are feasible, above-mentioned first determination module 20, specifically for:
According to described target record the initial condition of object and described target record object at the appointed time in moving displacement, determine that described target records the moving direction of object, translational speed and translational acceleration.
In the execution mode that some are feasible, above-mentioned second determination module 30, specifically for:
The moving direction being set to the direction of rotation of described camera to record with described target object is consistent;
The rotary speed of described camera is determined according to the initial rotation state of described camera and the translational speed of described target recording object, and the translational acceleration being set to the rotary acceleration of described camera to record with described target object is consistent, records object to make described camera and described target and preserve geo-stationary.
In the execution mode that some are feasible, above-mentioned tracing module 40 also for:
Do not detect in preset time threshold obtain described target record object time, make described camera terminate video record, and described video data be stored to designated memory space.
In specific implementation, the terminal that the embodiment of the present invention provides is the executive agent of the tracking kinescope method based on rotating camera that the embodiment of the present invention provides, the mobile phone namely described in the embodiment of the present invention.Mobile phone, by its each built-in functional module, comprises the implementation described in embodiment that camera 50 (rotating camera), startup module 10, first determination module 20, second determination module 30 and tracing module 40 perform the tracking kinescope method based on rotating camera that the embodiment of the present invention provides.The embodiment of the tracking kinescope method based on rotating camera provided below in conjunction with the embodiment of the present invention, in the mobile phone provide the embodiment of the present invention, the specific implementation process of modules is described.
In the execution mode that some are feasible, start the Starting mode that module 10 can preset the rotation RECORD mode of camera, and then the rotation RECORD mode of rotating camera can be started according to the Starting mode preset.Wherein, the Starting mode of the rotation RECORD mode of above-mentioned rotating camera can comprise: button startup, gesture startup or password startup etc.That is, start startup button or initiation gesture that module 10 can preset the rotation RECORD mode starting rotating camera, or start password.The startup button that cellphone subscriber can click the rotation RECORD mode of mobile phone camera triggers the rotation RECORD mode that startup module 10 starts camera; Or on the user interface of mobile phone, draw appointment gesture, trigger and start the rotation RECORD mode that module 10 starts camera; Or password is specified in input on the user interface of mobile phone, trigger and start the rotation RECORD mode that module 10 starts camera.In specific implementation, start the recording mode that first module 10 can start camera, such as, started the recording mode etc. of camera by the recording button of camera.After startup module 10 starts the recording mode of camera, the operational order on the startup button of above-mentioned rotation recording module is obtained if detect, or rotate the initiation gesture or startup password of recording module, then can start the rotation RECORD mode of camera, and then carry out video record by camera target acquisition personage and to the speech of target person.
In the execution mode that some are feasible, after startup module 10 starts the rotation RECORD mode of camera, by mobile phone display screen, cellphone subscriber sees that camera is rotating the video recording preview screen under RECORD mode.Concrete, after startup module 10 starts the rotation RECORD mode of camera, first determination module 20 can obtain the video recording preview screen under the rotation RECORD mode of camera, and the video recording preview screen got is exported to the user interface of mobile phone, record object with prompting mobile telephone set user selected target from above-mentioned video recording preview screen.In specific implementation, the user interface of mobile phone specifically can be the display screen of mobile phone, also can be the touch-screen of mobile phone simultaneously, and namely the display screen of mobile phone and touch-screen can be same screen, and can be used as the user interface of mobile phone.Cellphone subscriber can click on mobile phone display screen, touch or slip gesture, chooses target to record object by the mode of operation of specifying from video recording preview screen.According to modes such as user's click, touch or slip gestures, first determination module 20, by obtaining the user operation instruction on display screen, determines that the target that cellphone subscriber selectes records object.
In the execution mode that some are feasible, the first determination module 20 determines after target that cellphone subscriber selectes records object, then the mobile status determination target can recording object according to the target detected in video recording preview screen records the Mobile data of object.Wherein, above-mentioned Mobile data can comprise: moving direction, translational speed and translational acceleration etc., do not limit at this.In specific implementation, the first determination module 20 can record the initial condition of object according to target in video recording preview screen, and target records the at the appointed time interior moving displacement of object, determines the moving direction of target recording object, translational speed and translational acceleration.Such as, if it is inactive state that target records object initial condition, and the air line distance that target records object movement in 1 second is 2 meters, first determination module 20 can determine that the translational speed of target recording object is 2m/s, moving direction is the direction of displacement that target records object, and translational acceleration is 2m/s^2.First determination module 20 determines after target records the moving direction of object, translational speed and translational acceleration, the move mode that second determination module 30 and tracing module 40 can record object according to target controls rotating camera and rotates with identical Mobile data, with the geo-stationary keeping camera lens and target to record object.
In the execution mode that some are feasible, first determination module 20 determines after target records the moving direction of object, translational speed and translational acceleration, the moving direction that the direction of rotation of camera can be set to record with target object by the second determination module 30 is consistent, such as, to ensure that target records the assigned address that object appears at the camera lens of camera all the time, in the middle of camera lens.In addition, the second determination module 30 also can record the rotary speed of the translational speed determination camera of object according to the initial rotation state of camera and target.Such as, if the initial rotation state of camera is static, the translational speed that the rotary speed of camera can be set to record with target object by the second determination module 30 is identical, such as 2m/s, the translational acceleration that the acceleration of camera in current direction of rotation also can be set to record with target object by the second determination module 30 is consistent, with the geo-stationary keeping camera and target to record object.Namely, the data such as translational speed and acceleration that second determination module 30 can record object according to target arrange velocity of rotation and the acceleration of camera, mobile phone can be kept to immobilize, by tracing module 40, camera is rotated and tracking video recording is carried out to the target recording object in movement, reduce the operation easier that target records the tracking video recording of object, improve the quality of video record.
In the execution mode that some are feasible, after the velocity of rotation that second determination module 30 determines camera and rotation acceleration, tracing module 40 can trigger according to the initial condition of camera the moving direction that camera records object to target and rotate, and the velocity of rotation that camera can be made to determine according to above-mentioned second determination module 30 and acceleration rotate and record object to target and carry out trackings recording.Tracing module 40 can make camera rotate to record object with most target to carry out trackings and record a video, ensure that camera and target record the relative position of object by the rotation of camera constant, under camera and target record the constant state of the relative position of object, object is recorded to described target and carry out trackings and record a video.Cellphone subscriber carries out tracking without the need to handheld device and records, and can to reduce in video record process the phenomena impair video record quality such as arm shake, also can reduce the workload that target records the tracking video recording of object, enhance the Consumer's Experience of video record.
In the execution mode that some are feasible, tracing module 40 is recorded object by rotating camera to target and is carried out, in tracking video process, also making rotating camera terminate video record by time controling.In specific implementation, tracing module 40 can preset a time threshold, controls rotating camera proceed video record and still terminate video record by this time threshold.In specific implementation, tracing module 40 can, when camera can't detect target recording object, determine whether to terminate video record by above-mentioned time threshold.If camera can't detect target and records object in the time threshold preset, tracing module 40 can make camera terminate video record, and the video data that camera is recorded is stored to designated memory space.Namely, cellphone subscriber is without the need to manually terminating the video record of camera, tracing module 40 can record according to target the video record function that the detection of object and default time threshold judge whether to close camera voluntarily, and then can realize the automatic closedown that camera video records.Wherein, above-mentioned designated memory space can comprise the internal storage space of mobile phone, or the outer diffuser space of mobile phone (such as SD card), or network storage space (cloud storage space of such as mobile phone) etc., do not limit at this.
In specific implementation, the implementation described by step S101-S104 of the embodiment of the tracking kinescope method based on rotating camera that above-mentioned camera, the specific implementation process starting module, the first determination module, the second determination module and tracing module can provide see the invention described above embodiment, does not repeat them here.
In embodiments of the present invention, the target that mobile phone can obtain terminal use's setting records object, the moving direction of object is recorded according to target, the direction of rotation of the Mobile data such as translational speed and translational acceleration determination terminal camera, rotary speed and rotary acceleration, and then camera can be made according to determining that rotary speed and acceleration rotate to direction of rotation, the tracking video recording that object carries out geo-stationary is recorded to target, personage's tracking is carried out without the need to terminal use's hand-held camera, enhance the operational stability of following the trail of video recording, improve the recording quality of video, the personage strengthening terminal follows the trail of the Consumer's Experience of recording function.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1., based on a tracking kinescope method for rotating camera, it is characterized in that, comprising:
Start the rotation RECORD mode of terminal camera;
The target obtaining user's setting records object, and determines that described target records the Mobile data of object according to the mobile status of described target recording object, and described Mobile data comprises: at least one in moving direction, translational speed and translational acceleration;
The moving direction recording object according to described target determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera;
Trigger described camera according to the initial condition of described camera and described rotary speed and carry out rotation video recording, and rotate to described direction of rotation according to described rotary acceleration, to keep the relative position of described camera and described target recording object constant state, object is recorded to described target and carry out tracking video recording.
2. the method for claim 1, is characterized in that, the target of described acquisition user setting records object, comprising:
Obtain the video recording preview screen under the rotation RECORD mode of described camera, and export described video recording preview screen the user interface of terminal to, record object with warning terminal user selected target from described video recording preview screen;
Obtain the user operation instruction on described user interface, determine that the described target that described user selectes records object according to described user operation instruction.
3. method as claimed in claim 2, is characterized in that, the described mobile status according to described target recording object determines that described target records the Mobile data of object, comprising:
According to described target record the initial condition of object and described target record object at the appointed time in moving displacement, determine that described target records the moving direction of object, translational speed and translational acceleration.
4. method as claimed in claim 3, it is characterized in that, the described moving direction recording object according to described target determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera, comprising:
The moving direction being set to the direction of rotation of described camera to record with described target object is consistent;
The rotary speed of described camera is determined according to the initial rotation state of described camera and the translational speed of described target recording object, and the translational acceleration being set to the rotary acceleration of described camera to record with described target object is consistent, records object to make described camera and described target and preserve geo-stationary.
5. the method as described in any one of claim 1-4, it is characterized in that, the described initial condition according to described camera and described rotary speed trigger described camera and carry out rotation video recording, and according to described rotary acceleration to after described direction of rotation is rotated, described method also comprises:
Obtain described target if do not detect in preset time threshold and record object, then make described camera terminate video record, and described video data is stored to designated memory space.
6. a terminal, is characterized in that, described terminal comprises camera, also comprises:
Start module, for starting the rotation RECORD mode of terminal camera;
First determination module, after starting the rotation RECORD mode of described camera in described startup module, the target obtaining user's setting records object, and determine that described target records the Mobile data of object according to the mobile status of described target recording object, described Mobile data comprises: at least one in moving direction, translational speed and translational acceleration;
Second determination module, the moving direction that described target for determining according to described first determination module records object determines the direction of rotation of described camera, and records according to described target rotary speed and the rotary acceleration that the translational speed of object and acceleration determine described camera;
Tracing module, described rotary speed for determining according to initial condition and described second determination module of described camera triggers described camera and carries out rotation video recording, and rotate to described direction of rotation according to described rotary acceleration, to keep the relative position of described camera and described target recording object constant state, object is recorded to described target and carry out tracking video recording.
7. terminal as claimed in claim 6, is characterized in that, described first determination module, specifically for:
Obtain the video recording preview screen under the rotation RECORD mode of described camera, and export described video recording preview screen the user interface of terminal to, record object with warning terminal user selected target from described video recording preview screen;
Obtain the user operation instruction on described user interface, determine that the described target that described user selectes records object according to described user operation instruction.
8. terminal as claimed in claim 7, is characterized in that, described first determination module, specifically for:
According to described target record the initial condition of object and described target record object at the appointed time in moving displacement, determine that described target records the moving direction of object, translational speed and translational acceleration.
9. terminal as claimed in claim 8, is characterized in that, described second determination module, specifically for:
The moving direction being set to the direction of rotation of described camera to record with described target object is consistent;
The rotary speed of described camera is determined according to the initial rotation state of described camera and the translational speed of described target recording object, and the translational acceleration being set to the rotary acceleration of described camera to record with described target object is consistent, records object to make described camera and described target and preserve geo-stationary.
10. the terminal as described in any one of claim 6-9, is characterized in that, described tracing module also for:
Do not detect in preset time threshold obtain described target record object time, make described camera terminate video record, and described video data be stored to designated memory space.
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| CN201510260770.4A CN104902144A (en) | 2015-05-19 | 2015-05-19 | Rotary camera-based video-tracking method and terminal |
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