CN111083354A - Video recording method and electronic equipment - Google Patents
Video recording method and electronic equipment Download PDFInfo
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- CN111083354A CN111083354A CN201911184554.0A CN201911184554A CN111083354A CN 111083354 A CN111083354 A CN 111083354A CN 201911184554 A CN201911184554 A CN 201911184554A CN 111083354 A CN111083354 A CN 111083354A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- 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
Abstract
The embodiment of the invention provides a video recording method and electronic equipment, and relates to the technical field of communication. The method comprises the following steps: in the process of recording a target video by a first camera, controlling a second camera to acquire first contour displacement information of a first moving object in a recording picture of the target video; recording the first moving object based on the first contour displacement information, and outputting a target video of the first moving object; wherein the first moving object remains displayed in the target area in the video picture during the recording. In the embodiment of the invention, since the first moving object can be always kept in the target area display in the video picture in the process of recording the first moving object, the first moving object can be tracked in the recording process, and the target video for tracking the first moving object can be output. Therefore, the user does not need to track the first moving object through eyes during shooting, and convenience in obtaining high-quality target videos is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a video recording method and an electronic device.
Background
With the widespread use of a large number of electronic devices such as smart phones, the electronic devices have more and more applications and more powerful functions, and the electronic devices are developing towards diversification and personalization directions, and become indispensable electronic products in user life.
At present, the living standard of people is gradually improved, sports events such as ball games and the like can be watched on site after living, and people can carry electronic equipment to record videos of the ball games usually, so that the wonderful process of the ball games is recorded. For example, a basketball fan may record a video of a basketball game electronically while watching the basketball game.
However, in the ball game, the moving speed of the ball is usually fast, and the background (including many audiences, players, etc.) of the ball during the moving process is complicated, so that it is difficult for the user to track the ball through the eyes, and further, it is difficult to capture a high-quality video of the ball game.
Disclosure of Invention
The invention provides a video recording method and electronic equipment, and aims to solve the problem that a user often difficultly tracks a moving object through eyes and further difficultly shoots a high-quality video.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, a video recording method is applied to a first electronic device, where the first electronic device includes a first camera and a second camera;
the method comprises the following steps:
in the process of recording a target video by the first camera, controlling the second camera to acquire first contour displacement information of a first moving object in a recording picture of the target video;
recording the first moving object based on the first contour displacement information, and outputting a target video of the first moving object;
and in the process of recording the first moving object, the first moving object is kept in a target area in a video picture of the target video for displaying.
In a second aspect, an embodiment of the present invention further provides a first electronic device, where the first electronic device includes a first camera and a second camera, and the first electronic device further includes:
the acquisition module is used for controlling the second camera to acquire contour displacement information of a first object in a recording picture of a target video in the process of recording the target video by the first camera;
the recording module is used for recording the first object based on the contour displacement information of the first object and outputting a target video of the first object;
and in the process of recording the first moving object, the first moving object is kept in a target area in a video picture of the target video for displaying.
In a third aspect, an embodiment of the present invention further provides a first electronic device, which includes a processor, a memory, and a computer program stored in the memory and being executable on the processor, where the computer program, when executed by the processor, implements the steps of the video recording method according to the present invention.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the video recording method according to the present invention are implemented.
In the embodiment of the present invention, the first electronic device may control the second camera to acquire the first contour displacement information of the first moving object in the recording picture of the target video in the process of recording the target video by the first camera, and then may record the first moving object based on the first contour displacement information to output the target video. In the process of recording the first moving object, the first moving object can be always kept in the target area in the video picture of the target video for displaying, so that the first moving object can be tracked in the recording process, and the target video for tracking the first moving object can be output. Therefore, the user does not need to track the first moving object through eyes during shooting, and convenience in obtaining high-quality target videos is improved.
Drawings
Fig. 1 is a flowchart illustrating a video recording method according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a video recording preview interface according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an embodiment of the present invention for acquiring a profile image;
fig. 4 is a flowchart illustrating another video recording method according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating an interface operation of a first electronic device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a setting interface of an event information option according to an embodiment of the present invention;
fig. 7 is a schematic view illustrating an interface operation of a first electronic device according to an embodiment of the present invention;
fig. 8 is a schematic diagram illustrating a setting interface of a shooting mode option according to an embodiment of the present invention;
fig. 9 is a block diagram illustrating a first electronic device according to an embodiment of the present invention;
fig. 10 is a schematic diagram illustrating a hardware structure of an electronic device according to various embodiments of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Referring to fig. 1, a flowchart of a video recording method in an embodiment of the present invention is shown, where the method is applied to a first electronic device, where the first electronic device includes a first camera and a second camera, and the method specifically includes the following steps:
Wherein the first contour displacement information is at least two frame contour images including the contour of the first moving object in the recording picture. In the process of recording the first moving object, the second camera can acquire at least two frames of images, each frame of image comprises the outline of the first moving object, and the images are outline images. A contour is also a line that forms the outer edge of a figure or object.
In the embodiment of the invention, a user can open the camera application program of the first electronic equipment, and then the first electronic equipment enters the video recording preview interface. The first camera may be a main camera of the first electronic device, and is used to record a target video. The second camera may be a Dynamic Vision Sensor (DVS) camera, such that a user may click on a DVS camera option in the video recording preview interface, causing the first electronic device to turn on the DVS camera and the first camera. The user can adjust the shooting angle of view, so that a first moving object which needs to be tracked and recorded appears in the recorded picture, the DVS camera can be triggered to start to collect a contour image comprising the contour of the first moving object, and the first camera is triggered to start to record, so that first contour displacement information of the first moving object is obtained.
For example, referring to fig. 2, a schematic diagram of a video recording preview interface according to an embodiment of the present invention is shown, and as shown in fig. 2, the video recording preview interface 20 includes: DVS camera option 201 and shoot key 202. After a user clicks the DVS camera option 201, both the DVS camera and the first camera are opened, and the user can click the shooting key 202 in the video recording preview interface, so that in the process of recording and tracking the target video of the first moving object by the first camera, the DVS camera can acquire first contour displacement information of the first moving object.
In the embodiment of the invention, the DVS chip is a novel chip and is only sensitive to moving objects, and when the DVS camera including the DVS chip records the moving objects, line images of the outer edges of the objects are output, namely the outlines of the objects. After big data learning is carried out through AI (Artificial Intelligence) after appearance characteristics of the object are recorded, the tracked object can be judged more quickly.
DVS, by mimicking the retina, can generate a pulse signal in response to changes in brightness at the pixel level due to motion. When the DVS processes an image, for a single pixel point in the image, the DVS outputs a pulse signal only when the brightness of the pixel point changes. In practical applications, when the brightness of the pixel increases beyond a threshold, the DVS outputs a pulse signal, which indicates an event of the brightness increase of the pixel. If the brightness of the pixel point is not changed, the DVS does not output a pulse signal, but retains the previously recorded brightness value of the pixel point. The response of the DVS to changes in luminance is logarithmic and each datum of the DVS output is made up of a single pixel location and the nature of that single pixel (whether it is increasing or decreasing in luminance), etc. The DVS array structure imitating retina does not process each data individually, but puts the same data in the same channel and outputs asynchronously according to time sequence, and can output almost immediately, so the delay is very low.
In the embodiment of the invention, the first electronic device assists the first camera to record the target video through the DVS camera, and the DVS camera only records and processes pixel data with brightness change caused by movement, so that redundant pixel data can be reduced, and further data processing amount in the target video recording process is reduced.
In the embodiment of the present invention, the first electronic device may perform recognition training on the first moving object, and first, the appearance feature of the first moving object may be modeled to obtain an appearance feature model, where the appearance feature model may represent the outline of the first moving object. Therefore, the first electronic equipment can identify the outline of the first moving object from the recorded picture according to the appearance characteristic model of the first moving object established in advance. The DVS camera can rapidly identify the object in motion, so that a contour image comprising the contour of the first moving object can be acquired.
In practical applications, the first moving object may be any object that moves during the recording process, for example, in a scene where a target video of a trackball is recorded while watching a game, the first moving object may be a basketball, a volleyball, a football, a table tennis, or the like, which is not limited in the embodiment of the present invention. For example, when the first moving object is a basketball, the second camera may capture at least two frame contour images including a contour of the basketball, as shown in fig. 3.
102, recording a first moving object by first electronic equipment based on first contour displacement information, and outputting a target video of the first moving object; and in the process of recording the first moving object, the first moving object is kept in a target area in a video picture of the target video for displaying.
In the embodiment of the present invention, each frame of the contour image in the first contour displacement information includes a position where the contour of the first moving object is located, and during the movement of the first moving object, the position where the contour of the first moving object is located in a certain contour image has a certain displacement variation amount compared to the position where the contour of the first moving object is located in the contour image acquired before the contour image is acquired. Therefore, the first camera can continuously adjust the shooting direction of the first camera in the recording process according to the displacement variation of the position of the first moving object contour in any two adjacent frame contour images or two frame contour images with preset frame intervals, so that the first moving object is always kept in the target area in the video picture for displaying, and thus, the first moving object can be tracked in the recording process.
Alternatively, in practical applications, the target area in the video picture may be the picture center in the video picture. It should be noted that, in the embodiment of the present invention, the first moving object is kept at the center of the picture in the video picture of the target video, which may be understood as that the first moving object is kept in a central area with a preset size in the video picture, or the center of the outline of the first moving object is not more than a preset distance from the center of the video picture, and cannot be simply understood as that the center of the outline of the first moving object exactly overlaps with the center of the picture.
For example, when a basketball game is recorded, the basketball is a first moving object, and then in the moving process of the basketball, the first camera can continuously adjust the shooting direction of the first camera in the recording process according to the displacement variation of the position of the basketball outline in any two adjacent outline images or two outline images with preset frame number intervals, so that the basketball is always kept in the target area in the video picture to be displayed, and thus, the tracking of the basketball can be realized in the recording process, namely, a high-quality ball game video can be shot.
In the embodiment of the present invention, the first electronic device may control the second camera to acquire the first contour displacement information of the first moving object in the recording picture of the target video in the process of recording the target video by the first camera, and then may record the first moving object based on the first contour displacement information to output the target video. In the process of recording the first moving object, the first moving object can be always kept in the target area in the video picture of the target video for displaying, so that the first moving object can be tracked in the recording process, and the target video for tracking the first moving object can be output. Therefore, the user does not need to track the first moving object through eyes during shooting, and convenience in obtaining high-quality target videos is improved.
Referring to fig. 4, which shows a flowchart of another video recording method according to an embodiment of the present invention, optionally, the first electronic device may be disposed on the auxiliary rotating device, that is, the first camera is disposed on the first electronic device, the first electronic device is integrally disposed on the auxiliary rotating device, or the first camera is a detachable camera and is disposed on the auxiliary rotating device, that is, the first camera is a detachable component of the first electronic device, and similar to a bluetooth headset, the first electronic device may be disposed on the auxiliary rotating device separately from the first electronic device and is in communication connection with the first electronic device, so that the first electronic device can still control the first camera; the first contour displacement information includes at least two frame contour images, and accordingly, as shown in fig. 4, step 102 may specifically include:
In step 1022, the first electronic device obtains a first position of the contour of the first moving object in the first contour image and a second position of the contour of the first moving object in the second contour image.
In the embodiment of the present invention, for any two adjacent frame contour images or the first contour image and the second contour image spaced by a preset number of frames in the first contour displacement information, the first contour image may be obtained prior to the second contour image. Wherein the first position can be represented by coordinates of the contour center of the first moving object in the first contour image, and the second position can be represented by coordinates of the contour center of the first moving object in the second contour image.
In step 1023, the first electronic device determines a target displacement variation between the second position and the first position.
In the embodiment of the invention, due to the movement of the first moving object, the outline of the first moving object generates displacement change at the positions of the first outline image and the second outline image respectively. The target displacement variation amount between the second position and the first position may be represented by a distance between the coordinate of the second position in the second contour image and the coordinate of the first position in the first contour image.
And step 1024, controlling the auxiliary rotating device to drive the first camera to rotate by the first electronic equipment according to the target displacement variation, recording the first moving object, and outputting a target video of the first moving object.
In the embodiment of the invention, the auxiliary rotating device can be in communication connection with the first electronic device, the first electronic device can send the target displacement variation between the second position and the first position to the auxiliary rotating device, and after receiving the target displacement variation, the auxiliary rotating device can drive the first camera to rotate according to the target displacement variation, so that the first moving object can be always kept in a target area in a video picture to be displayed in the process of recording the target video without manually controlling the first electronic device or the first camera by a user, the automatic tracking of the first moving object by the first electronic device is realized, the high-quality target video can be obtained, and the convenience of tracking the first moving object is improved.
Optionally, in an embodiment of the present invention, the auxiliary rotating device may include an unmanned aerial vehicle or an electronic rotating bracket, which is not particularly limited in this respect.
In the embodiment of the invention, the unmanned aerial vehicle or the electronic rotating bracket can drive the first camera to rotate under the control of the first electronic device, so that the shooting angle of the first camera is adjusted, the first moving object can be always kept in a target area in a video picture to be displayed, and the automatic tracking of the first moving object is realized. Unmanned aerial vehicle and electron runing rest's control technology is ripe, and convenient to carry easily realizes supporting with first electronic equipment.
Optionally, referring to fig. 4, in an embodiment of the present invention, after controlling the second camera to acquire the first contour displacement information of the first moving object in the recorded picture of the target video, before outputting the target video of the first moving object, the video recording method may further include the following steps:
and 103, the first electronic equipment acquires the contour displacement information of the target moving object.
In the embodiment of the invention, the first electronic device can control the second camera to acquire the contour displacement information of the target moving object in the recorded picture of the target video.
And step 104, the first electronic equipment determines target event information based on the contour displacement information of the target moving object.
The displacement of the contour of the moving object generated in the contour image including the contour thereof is generated based on the motion trajectory of the moving object, so that the first electronic device can determine the motion trajectory of the target moving object according to the displacement variation of the contour position of the target moving object generated in any two adjacent contour images or two contour images spaced by a preset number of frames, and further can determine target event information according to the motion trajectory, that is, determine whether a specific scene or event occurs in the recorded picture.
For example, when the moving object is a person, such as a sportsman, it may be determined whether a specific person action, such as a basket-taking action, occurs in the recorded picture according to the motion trajectory of the moving object. For another example, when the moving object is an object, such as a moving ball, it may be determined whether a specific scene, such as a scene of dropping a third minute ball, appears in the recorded picture according to the motion trajectory of the moving object.
And 105, acquiring the special effect information of the target video matched with the target event information.
In the embodiment of the present invention, the first electronic device may preset a matching relationship between the event information and the video special effect information, and after the first electronic device determines the target event information, the first electronic device may obtain the target video special effect information matched with the target event information according to the matching relationship between the target event information and the target video special effect information.
For example, when recording a target video of a basketball game, the target event information may include at least one of a basketball-snapping action, a tee-shooting action, a capping action, a snapping action, and a celebration action, and then the video special effect information matched with the basketball-snapping action may be an Augmented Reality (AR) sticker action that displays a pair of flying wings; the video special effect information matched with the three-minute ball throwing motion can be the water splash effect of the net; the video special effect information matched with the cap actions can be the action effects of athletes circling the caps; the video special effect information matched with the snapping action can be 'backhand' happy match; the video special effect information matched with the celebration action can be preset background music special for athletes.
In practical application, a user may set video special effect information corresponding to different event information in a first electronic device in advance, referring to fig. 5, before recording a basketball game video, the user may click a setting icon 301 in fig. 5, and then the first electronic device may display a setting interface as shown in fig. 6, and the user may set different video special effect information for a "basket shooting action" option 401, a "three-ball shooting action" option 402, a "capping action" option 403, a "snapping action" option 404, and a "celebration action" option 405 in the setting interface, respectively. In addition, the setting interface can also display a 'custom' option 406, so that the user can increase the types of event information according to the self requirement and set corresponding video special effect information.
And 106, outputting the target video special effect information by the first electronic equipment.
When the target video special effect information is an image, animation or the like, the first electronic device may display the target video special effect information on a recording picture of the target video. When the target video special effect information is a sound effect, the first electronic device can play the target video special effect information.
For example, when the first electronic device determines the basket-locking action, an AR sticker animation effect of a pair of flying wings may be displayed on a recording picture of the target video; when the first electronic equipment determines that the action of throwing the three-minute ball is performed, the water splashing effect of the net can be displayed on a recording picture of the target video; when the first electronic equipment determines the cap action, the action effect of a cap enclosing athlete can be displayed on a recording picture of a target video; when the first electronic equipment determines the snapping action, the 'returning hands and digging' score can be played; when the first electronic device determines the celebration action, the preset background music special for the athletes can be played.
In the embodiment of the invention, in the process of recording the target video, the first electronic device can determine whether target event information exists in the recording picture, namely whether a specific scene or event occurs or not based on the contour displacement information of the target moving object, and can acquire and output the target video special effect information matched with the target event information under the condition that the target time information exists so as to display the special effect corresponding to the specific scene or event in the target video, so that the special effect can be displayed at a wonderful moment in the finally obtained target video, the content of the target video is enriched, and the interestingness of a user in watching the target video is increased.
In a specific application, more than one moving object may be present in the recorded picture, such as a moving ball in a ball game, a moving player, etc., and thus, optionally, the target moving object may comprise at least one moving object; the target moving object is a first moving object, or the target moving object is at least one second moving object, or the target moving object is the first moving object and the at least one second moving object. Therefore, the first electronic device can determine whether the target event information exists in the recorded picture by combining the contour displacement information of at least one moving object in the recorded picture, so that the accuracy of determining the target event information can be improved. For example, the first electronic device may determine whether a basketball-catching action exists in the recorded picture according to the profile displacement information of the moving ball and the profile displacement information of the moving player in the recorded picture, so that the accuracy of determining the basketball-catching action can be improved.
In this embodiment of the present invention, the first electronic device may serve as a master device, and a second electronic device may be provided for the first electronic device as a slave device, so that the two electronic devices may perform joint shooting, and the first electronic device and the second electronic device may be communicatively connected, and optionally, the video recording method may further include the following steps:
and step 107, the first electronic equipment acquires the target shooting mode matched with the target event information.
For example, when recording a target video of a basketball game, the target event information may include at least one of a spectator cheering action, a game pause/end action, a player basket-taking action, and a player celebration action. The photographing mode corresponding to the cheering motion of the viewer may be an ultra-wide angle photographing mode; the photographing mode corresponding to the pause/end action of the game may be a panorama photographing mode; the shooting mode corresponding to the basketball-catching action of the athlete can be a continuous shooting mode; the photographing mode corresponding to the celebratory motion of the athlete may be a background blurring photographing mode.
In practical application, a user may set shooting modes corresponding to different event information in the first electronic device in advance, referring to fig. 7, before recording a target video of a basketball game, the user may click a setting icon 501 in fig. 7, and then the first electronic device may display a setting interface as shown in fig. 8, and the user may set different shooting modes for an "ultra wide angle shooting mode" option 601, a "panorama shooting mode" option 602, a "continuous shooting mode" option 603, and a "background blurring shooting mode" option 604 in the setting interface. In addition, the setting interface can also display a 'custom' option 605, so that the user can add a shooting mode according to the self requirement.
And step 108, the first electronic equipment generates a first message based on the target shooting mode.
After the first electronic device acquires the target shooting mode matched with the target event information, a first message can be generated, wherein the first message is used for instructing the second electronic device to shoot a first image or a first video of the target moving object according to the target shooting mode.
The first electronic device can further send the first message to the second electronic device, and after receiving the first message, the second electronic device can shoot a first image or a first video of the target moving object according to the target shooting mode. The first image may be a still image or a gif moving image.
Illustratively, when a target video of a basketball game is recorded, after a player takes a basketball, the first electronic device continues to track the moving basketball and sends a first message to the second electronic device to capture a command of ' player ' action taking the basketball, and when the second electronic device receives the first message, the continuous shooting mode is started and shooting is performed to obtain first images of the continuous shooting player ' action taking the basketball, so that the shooting of a wonderful moment is completed.
Optionally, the functions implemented in the above steps 107 to 109 may also be implemented by the following steps, with reference to fig. 4, including:
step 110: the first electronic device generates a second message based on the target event information.
Step 111: and the first electronic equipment sends a second message to the second electronic equipment, wherein the second message is used for indicating the second electronic equipment to acquire a target shooting mode matched with the target event information and shooting a first image or a first video of the target moving object according to the target shooting mode.
Step 107 to step 109 are that the first electronic device acquires a target shooting mode matching the target event information, and the second electronic device shoots a first image or a first video of the target moving object only according to the target shooting mode, whereas step 110 to step 111 are that the second electronic device acquires the target shooting mode matching the target event information and shoots the first image or the first video of the target moving object according to the target shooting mode, unlike step 107 to step 109. Accordingly, the matching relationship between the event information and the shooting mode can be preset in the second electronic device.
Compared with the implementation mode of recording the target video only through the first electronic device, the two implementation modes are added with the combination of multiple electronic devices, so that the match situation on the field can be recorded, the behaviors of athletes and audiences can be captured, and each moment on the field is not missed.
In the embodiment of the invention, the target event information can be determined in the process of recording the target video through the first electronic device, the target shooting mode matched with the target event information is obtained, and then the second electronic device shoots the first image or the first video of the target moving object according to the target shooting mode, so that the second electronic device can record the wonderful moment in the target video in the process of recording the target video through the first electronic device, the combined recording is realized, and a user can shoot the wonderful moment more conveniently in the process of recording the target video.
In the embodiment of the invention, in the process of recording the first moving object by the first electronic device, the first moving object is always kept in the target area in the video picture of the target video for displaying, so that the first moving object can be tracked in the recording process, and the target video for tracking the first moving object is output. Therefore, the user does not need to track the first moving object through eyes during shooting, and convenience in obtaining high-quality target videos is improved.
Referring to fig. 9, which shows a block diagram of a first electronic device in an embodiment of the present invention, the first electronic device 700 includes a first camera and a second camera, and the first electronic device 700 further includes:
the acquisition module 701 is used for controlling a second camera to acquire contour displacement information of a first object in a recording picture of a target video in the process of recording the target video by the first camera;
a recording module 702, configured to record the first object based on the contour displacement information of the first object, and output a target video of the first object;
and in the process of recording the first moving object, the first moving object is kept in a target area in a video picture of the target video for displaying.
Optionally, the first electronic device 700 further comprises:
the first acquisition module is used for acquiring contour displacement information of a target moving object;
the determining module is used for determining target event information based on the contour displacement information of the target moving object;
the second acquisition module is used for acquiring the target video special effect information matched with the target event information;
and the output module is used for outputting the special effect information of the target video.
In the embodiment of the invention, in the process of recording the target video, the first electronic device can determine whether target event information exists in the recording picture, namely whether a specific scene or event occurs or not based on the contour displacement information of the target moving object, and can acquire and output the target video special effect information matched with the target event information under the condition that the target time information exists so as to display the special effect corresponding to the specific scene or event in the target video, so that the special effect can be displayed at a wonderful moment in the finally obtained target video, the content of the target video is enriched, and the interestingness of a user in watching the target video is increased.
Optionally, the target moving object comprises at least one moving object;
the target moving object is a first moving object, or the target moving object is at least one second moving object, or the target moving object is the first moving object and the at least one second moving object.
In the embodiment of the invention, the first electronic device can determine whether the target event information exists in the recorded picture by combining the contour displacement information of at least one moving object in the recorded picture, so that the accuracy of determining the target event information can be improved. For example, the first electronic device may determine whether a basketball-catching action exists in the recorded picture according to the profile displacement information of the moving ball and the profile displacement information of the moving player in the recorded picture, so that the accuracy of determining the basketball-catching action can be improved.
Optionally, the first electronic device 700 further comprises:
the third acquisition module is used for acquiring a target shooting mode matched with the target event information;
the first generation module is used for generating a first message based on the target shooting mode;
the first sending module is used for sending a first message to the second electronic equipment, wherein the first message is used for instructing the second electronic equipment to shoot a first image or a first video of a target moving object according to a target shooting mode.
In the embodiment of the invention, the first electronic device can determine the target event information in the process of recording the target video, acquire the target shooting mode matched with the target event information, then send the first message generated according to the target shooting mode to the second electronic device, and then when the second electronic device receives the first message, shoot the first image or the first video of the target moving object according to the target shooting mode, so that the second electronic device can record the wonderful moment in the target video in the process of recording the target video by the first electronic device, realize combined recording, and enable a user to more conveniently capture the wonderful moment in the process of recording the target video.
Optionally, the first electronic device 700 further comprises:
the second generation module is used for generating a second message based on the target event information;
and the second sending module is used for sending a second message to the second electronic equipment, wherein the second message is used for indicating the second electronic equipment to acquire a target shooting mode matched with the target event information and shooting a first image or a first video of the target moving object according to the target shooting mode.
In the embodiment of the invention, the first electronic device can determine the target event information in the process of recording the target video, and send the second message generated according to the target event information to the second electronic device, then the second electronic device obtains the target shooting mode matched with the target event information when receiving the second message, and then shoots the first image or the first video of the target moving object according to the target shooting mode, so that the second electronic device can record the wonderful moment in the target video in the process of recording the target video by the first electronic device, realize combined recording, and enable a user to more conveniently capture the wonderful moment in the process of recording the target video.
Optionally, the first electronic device 700 is disposed on the auxiliary rotating device, or the first camera is a detachable camera and is disposed on the auxiliary rotating device; the first contour displacement information comprises at least two frame contour images; the recording module includes:
the first acquisition submodule is used for acquiring a first contour image and a second contour image in at least two frames of contour images, and the first contour image and the second contour image are any two adjacent frame contour images or two frame contour images with preset frame number intervals;
the second acquisition submodule is used for acquiring a first position of the contour of the first moving object in the first contour image and a second position of the contour of the first moving object in the second contour image;
a determination submodule for determining a target displacement variation between the second position and the first position;
and the control submodule is used for controlling the auxiliary rotating device to drive the first camera to rotate according to the target displacement variation, recording the first moving object and outputting a target video of the first moving object.
In the embodiment of the invention, the first electronic device can send the target displacement variation between the second position and the first position to the auxiliary rotating device, and the auxiliary rotating device can drive the first camera to rotate according to the target displacement variation after receiving the target displacement variation, so that the first moving object can be always kept in a target area in a video picture to be displayed in the process of recording the target video without manually controlling the first electronic device or the first camera by a user, the automatic tracking of the first moving object by the first electronic device is realized, the high-quality target video can be obtained, and the convenience of tracking the first moving object is improved.
Optionally, the auxiliary turning device comprises a drone or an electronic rotating stand.
In the embodiment of the invention, the unmanned aerial vehicle or the electronic rotating bracket can drive the first camera to rotate under the control of the first electronic device, so that the shooting angle of the first camera is adjusted, the first moving object can be always kept in a target area in a video picture to be displayed, and the automatic tracking of the first moving object is realized. Unmanned aerial vehicle and electron runing rest's control technology is ripe, and convenient to carry easily realizes supporting with first electronic equipment.
The first electronic device provided in the embodiment of the present invention can implement each process implemented by the video recording method in the method embodiments of fig. 1 and fig. 4, and for avoiding repetition, details are not repeated here.
In the embodiment of the invention, the first electronic device may control the second camera to collect the first contour displacement information of the first moving object in the recording picture of the target video through the collecting module in the process of recording the target video through the first camera, and then may record the first moving object through the recording module based on the first contour displacement information to output the target video. In the process of recording the first moving object, the first moving object can be always kept in the target area in the video picture of the target video for displaying, so that the first moving object can be tracked in the recording process, and the target video for tracking the first moving object can be output. Therefore, the user does not need to track the first moving object through eyes during shooting, and convenience in obtaining high-quality target videos is improved.
Fig. 10 is a schematic diagram of a hardware structure of an electronic device for implementing various embodiments of the present invention, where the electronic device 800 includes, but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, a processor 810, a power supply 811, a first camera 812, and a second camera 813. Those skilled in the art will appreciate that the electronic device configuration shown in fig. 10 does not constitute a limitation of the electronic device, and that the electronic device may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 810 is configured to control the second camera 813 to acquire first contour displacement information of a first moving object in a recording picture of a target video in the process that the first camera 812 records the target video; the first camera 812 is configured to record the first moving object based on the first contour displacement information, and output a target video of the first moving object; and in the process of recording the first moving object, the first moving object is kept in a target area in a video picture of the target video for displaying.
In the embodiment of the invention, the electronic device may control the second camera to acquire the first contour displacement information of the first moving object in the recording picture of the target video in the process of recording the target video through the first camera, and then may record the first moving object based on the first contour displacement information to output the target video. In the process of recording the first moving object, the first moving object can be always kept in the target area in the video picture of the target video for displaying, so that the first moving object can be tracked in the recording process, and the target video for tracking the first moving object can be output. Therefore, the user does not need to track the first moving object through eyes during shooting, and convenience in obtaining high-quality target videos is improved.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 801 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 810; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 801 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. Further, the radio frequency unit 801 can also communicate with a network and other devices through a wireless communication system.
The electronic device provides wireless broadband internet access to the user via the network module 802, such as to assist the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.
The audio output unit 803 may convert audio data received by the radio frequency unit 801 or the network module 802 or stored in the memory 809 into an audio signal and output as sound. Also, the audio output unit 803 may also provide audio output related to a specific function performed by the electronic apparatus 800 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 803 includes a speaker, a buzzer, a receiver, and the like.
The input unit 804 is used for receiving an audio or video signal. The input Unit 804 may include a Graphics Processing Unit (GPU) 8041 and a microphone 8042, and the Graphics processor 8041 processes image data of a still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 806. The image frames processed by the graphics processor 8041 may be stored in the memory 809 (or other storage medium) or transmitted via the radio frequency unit 801 or the network module 802. The microphone 8042 can receive sound, and can process such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 801 in case of a phone call mode.
The electronic device 800 also includes at least one sensor 805, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 8061 according to the brightness of ambient light and a proximity sensor that can turn off the display panel 8061 and/or the backlight when the electronic device 800 is moved to the ear. As one type of motion sensor, an accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of an electronic device (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 805 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 806 is used to display information input by the user or information provided to the user. The Display unit 806 may include a Display panel 8061, and the Display panel 8061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 807 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the electronic apparatus. Specifically, the user input unit 807 includes a touch panel 8071 and other input devices 8072. The touch panel 8071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 8071 (e.g., operations by a user on or near the touch panel 8071 using a finger, a stylus, or any other suitable object or accessory). The touch panel 8071 may include two portions of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 810, receives a command from the processor 810, and executes the command. In addition, the touch panel 8071 can be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 8071, the user input unit 807 can include other input devices 8072. In particular, other input devices 8072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 8071 can be overlaid on the display panel 8061, and when the touch panel 8071 detects a touch operation on or near the touch panel 8071, the touch operation is transmitted to the processor 810 to determine the type of the touch event, and then the processor 810 provides a corresponding visual output on the display panel 8061 according to the type of the touch event. Although the touch panel 8071 and the display panel 8061 are shown in fig. 10 as two separate components to implement the input and output functions of the electronic device, in some embodiments, the touch panel 8071 and the display panel 8061 may be integrated to implement the input and output functions of the electronic device, and the implementation is not limited herein.
The interface unit 808 is an interface for connecting an external device to the electronic apparatus 800. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 808 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the electronic device 800 or may be used to transmit data between the electronic device 800 and external devices.
The memory 809 may be used to store software programs as well as various data. The memory 809 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 809 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 810 is a control center of the electronic device, connects various parts of the whole electronic device by using various interfaces and lines, performs various functions of the electronic device and processes data by running or executing software programs and/or modules stored in the memory 809 and calling data stored in the memory 809, thereby monitoring the whole electronic device. Processor 810 may include one or more processing units; preferably, the processor 810 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 810.
The first camera 812 may be used to record video, take still or moving images. The second camera 813 may be a DVS camera, which is sensitive to a moving object (a person or an object), and may be used to capture contour displacement information of the moving object in a recording picture of a video, and may keep the first moving object displayed in a specific area in the video picture all the time during recording of the moving object.
The electronic device 800 may also include a power supply 811 (e.g., a battery) for powering the various components, and preferably, the power supply 811 may be logically coupled to the processor 810 via a power management system to manage charging, discharging, and power consumption management functions via the power management system.
In addition, the electronic device 800 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides an electronic device, which includes a processor 810, a memory 809, and a computer program stored in the memory 809 and capable of running on the processor 810, where the computer program, when executed by the processor 810, implements each process of the above-mentioned video recording method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the video recording method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A video recording method is applied to first electronic equipment, and is characterized in that the first electronic equipment comprises a first camera and a second camera;
the method comprises the following steps:
in the process of recording a target video by the first camera, controlling the second camera to acquire first contour displacement information of a first moving object in a recording picture of the target video;
recording the first moving object based on the first contour displacement information, and outputting a target video of the first moving object;
and in the process of recording the first moving object, the first moving object is kept in a target area in a video picture of the target video for displaying.
2. The method according to claim 1, wherein after controlling the second camera to capture the first profile displacement information of the first moving object in the recorded picture of the target video and before outputting the target video of the first moving object, further comprising:
acquiring contour displacement information of a target moving object;
determining target event information based on the contour displacement information of the target moving object;
acquiring target video special effect information matched with the target event information;
and outputting the target video special effect information.
3. The method of claim 2, wherein the target moving object comprises at least one moving object;
wherein the target moving object is the first moving object, or the target moving object is at least one second moving object, or the target moving object is the first moving object and at least one second moving object.
4. The method of claim 2, wherein after determining target event information based on contour displacement information of the target moving object, further comprising:
acquiring a target shooting mode matched with the target event information;
generating a first message based on the target shooting mode;
and sending the first message to a second electronic device, wherein the first message is used for instructing the second electronic device to shoot a first image or a first video of the target moving object according to the target shooting mode.
5. The method of claim 2, wherein after determining target event information based on contour displacement information of the target moving object, further comprising:
generating a second message based on the target event information;
and sending the second message to second electronic equipment, wherein the second message is used for indicating the second electronic equipment to acquire a target shooting mode matched with the target event information, and shooting a first image or a first video of the target moving object according to the target shooting mode.
6. The method according to claim 1, wherein the first electronic device is disposed on an auxiliary rotating device, or the first camera is a detachable camera and is disposed on the auxiliary rotating device; the first contour displacement information comprises at least two frame contour images;
recording the first moving object based on the first contour displacement information, and outputting a target video of the first moving object, including:
acquiring a first contour image and a second contour image in the at least two frame contour images, wherein the first contour image and the second contour image are any two adjacent frame contour images or two frame contour images with preset frame numbers at intervals;
acquiring a first position of the contour of the first moving object in the first contour image and a second position of the contour of the first moving object in the second contour image;
determining a target amount of change in displacement between the second position and the first position;
and controlling the auxiliary rotating device to drive the first camera to rotate according to the target displacement variation, recording the first moving object, and outputting a target video of the first moving object.
7. The method of claim 6, wherein the auxiliary turning device comprises a drone or an electronic rotating stand.
8. A first electronic device, comprising a first camera and a second camera, the first electronic device further comprising:
the acquisition module is used for controlling the second camera to acquire contour displacement information of a first object in a recording picture of a target video in the process of recording the target video by the first camera;
the recording module is used for recording the first object based on the contour displacement information of the first object and outputting a target video of the first object;
and in the process of recording the first moving object, the first moving object is kept in a target area in a video picture of the target video for displaying.
9. A first electronic device, comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the video recording method according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the video recording method according to any one of claims 1 to 7.
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| CN114285998A (en) * | 2021-12-24 | 2022-04-05 | 申通庞巴迪(上海)轨道交通车辆维修有限公司 | Compartment dynamic portrait grabbing and positioning following view screen monitoring system |
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Application publication date: 20200428 |