WO2023174223A1

WO2023174223A1 - Video recording method and apparatus, and electronic device

Info

Publication number: WO2023174223A1
Application number: PCT/CN2023/081168
Authority: WO
Inventors: 田云
Original assignee: 维沃移动通信有限公司
Priority date: 2022-03-16
Filing date: 2023-03-13
Publication date: 2023-09-21
Also published as: CN114598819A

Abstract

The present application belongs to the technical field of videos. Disclosed are a video recording method and apparatus, and an electronic device. The method comprises: receiving a first input of a user for a target object in a photographing preview interface; in response to the first input, displaying, in the photographing preview interface, a video preview image that takes the target object as a video subject; and recording a target video that takes the target object as a video subject.

Description

Video recording methods, devices and electronic equipment

Cross-references to related applications

This application claims priority from Chinese Patent Application No. 202210258726.X filed in China on March 16, 2022, the entire content of which is incorporated herein by reference.

Technical field

This application belongs to the field of video technology, and specifically relates to a video recording method, device and electronic equipment.

Background technique

With the development of technology, the functions of electronic devices have become more diversified, which not only enables more convenient communication, but also brings more entertainment to people's lives. In particular, users can use electronic devices to shoot videos and record every moment of their lives.

Currently, for captured videos, users sometimes expect to obtain the video content of the object of interest in the video, such as the video content of a performer in a performance video. In the existing technology, users use professional video editing software to edit the video in the later stage to obtain the video content of the object of interest in the video. The operation is cumbersome, and secondary compression of the video will also cause a loss of image quality.

Contents of the invention

The purpose of the embodiments of the present application is to provide a video recording method, device and electronic device that can solve the problems of cumbersome operations and low video quality caused by manually editing the video when the user desires to obtain the video content of the object of interest.

In a first aspect, embodiments of the present application provide a video recording method, which method includes:

Receive the user's first input on the target object in the shooting preview interface;

In response to the first input, in the shooting preview interface, display a video preview image with the target object as the video subject;

Record a target video with the target object as the main body of the video.

In a second aspect, embodiments of the present application provide a video recording device, which includes:

A first receiving module configured to receive the user's first input of the target object in the shooting preview interface;

A first display module configured to, in response to the first input, display a video preview image with the target object as the video subject in the shooting preview interface;

A recording module, configured to record a target video with the target object as the subject of the video.

In a third aspect, embodiments of the present application provide an electronic device. The electronic device includes a processor and a memory. The memory stores programs or instructions that can be run on the processor. The programs or instructions are processed by the processor. When the processor is executed, the steps of the method described in the first aspect are implemented.

In a fourth aspect, embodiments of the present application provide a readable storage medium. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented. .

In a fifth aspect, embodiments of the present application provide a chip. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the first aspect. the method described.

In a sixth aspect, embodiments of the present application provide a computer program product, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the method as described in the first aspect.

In a seventh aspect, embodiments of the present application provide a communication device configured to perform the method described in the first aspect.

In the embodiment of the present application, the user's first input to the target object in the shooting preview interface is received. In response to the first input, in the shooting preview interface, a video preview image with the target object as the video subject is displayed, and the video preview image with the target object as the video subject is recorded. The target video of the video body. In this way, the video of the object of interest to the user can be directly recorded, without the need for the user to edit the video later to obtain the video content of the object of interest in the video, avoiding cumbersome operations; and, there is no need to perform secondary compression on the video, which improves the video quality. Picture quality.

Description of the drawings

Figure 1 is a flow chart of a video recording method provided by an embodiment of the present application;

Figure 2 is one of the interface display schematic diagrams of an electronic device provided by an embodiment of the present application;

Figure 3 is a second schematic diagram of an interface display of an electronic device provided by an embodiment of the present application;

Figure 4 is a third schematic diagram of an interface display of an electronic device provided by an embodiment of the present application;

Figure 5 is a fourth schematic diagram of an interface display of an electronic device provided by an embodiment of the present application;

Figure 6 is a fifth schematic diagram of an interface display of an electronic device provided by an embodiment of the present application;

Figure 7 is a sixth schematic diagram of an interface display of an electronic device provided by an embodiment of the present application;

Figure 8 is a seventh schematic diagram of an interface display of an electronic device provided by an embodiment of the present application;

Figure 9 is an eighth schematic diagram of an interface display of an electronic device provided by an embodiment of the present application;

Figure 10 is a schematic structural diagram of a video recording device provided by an embodiment of the present application;

Figure 11 is one of the structural schematic diagrams of an electronic device provided by an embodiment of the present application;

FIG. 12 is a second structural schematic diagram of an electronic device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this application.

The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the figures so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in orders other than those illustrated or described herein, and that "first," "second," etc. are distinguished Objects are usually of one type, and the number of objects is not limited. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are in an "or" relationship.

The execution subject of the video recording method provided by the embodiments of the present application may be the video recording device provided by the embodiments of the present application, or an electronic device integrated with the video recording device, where the video recording device may be implemented in hardware or software.

The video recording method, device and electronic device provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios.

Referring to Figure 1, Figure 1 is a flow chart of a video recording method provided by an embodiment of the present application. This embodiment mainly illustrates the application of this method to electronic devices. As shown in Figure 1, it includes the following steps:

Step 101: Receive the user's first input on the target object in the shooting preview interface.

Among them, the shooting preview interface is used to preview the images collected by the camera.

Optionally, the electronic device displays a shooting preview interface and receives the user's first input of the target object in the shooting preview interface. The shooting preview interface may be displayed when the user starts the camera application, or may be displayed when the user selects a preset shooting mode in the camera application, which is not limited in this embodiment.

Alternatively, the target object can be a person, an animal, an object, etc.

Optionally, the first input is used to select the target object. For example, the first input may be an operation of clicking the target object; or it may be an operation of frame-selecting the target object; or it may be an operation of sliding on the target object according to a preset gesture; etc. This embodiment does not process the first input. Make restrictions.

Optionally, the first input may be before starting to record the video, or may be after starting to record the video. When the first input is before starting to record the video, selecting the target object is the exact job before recording the video.

Optionally, the electronic device may display at least one photographed object on the shooting preview interface, and the at least one object includes a target object; the first input may be an input to the target object displayed on the shooting preview interface. For example, the electronic device can enter the shooting preview interface when the user clicks on the camera application, display at least one photographed object on the shooting preview interface, and receive the user's first input on the target object displayed on the shooting preview interface.

Step 102: In response to the first input, in the shooting preview interface, display a video preview image with the target object as the video subject.

Wherein, the target object can be determined as the subject of the video through the first input, and in the shooting preview interface, a video preview image with the target object as the subject of the video is displayed. Target audience as video The subject can be the target object as the main object of the video recording, so that the target object in the video recording screen can be tracked in real time and the target object can be photographed.

Optionally, the electronic device can display a video preview image with the target object as the main body of the video in the shooting preview interface before starting to record the video; or, after starting to record the video, the electronic device can display a video preview image with the target object as the main body of the video. Video preview image.

Optionally, the electronic device displays a video preview image with the target object as the subject of the video in the shooting preview interface. The video recording image may be cropped to obtain a cropped image corresponding to the area where the target object is located, and the cropped image is displayed in the shooting preview interface. image; or, it can be to display the stitched image in the shooting preview interface, and the stitched image is an image obtained by splicing the video recording image and the cropped image; or, it can be when the cropped image contains shooting objects other than the target object, The area where the subject is located in the cropped image is blurred, and the blurred cropped image is displayed in the shooting preview interface; etc. This embodiment is not limited to this.

Optionally, after the electronic device receives the user's first input on the target object displayed on the shooting preview interface, the electronic device can receive the user's click operation on the start shooting control of the shooting preview interface and perform video shooting. During the video shooting process , display a video preview image with the target object as the video subject in the shooting preview interface.

Step 103: Record a target video with the target object as the main body of the video.

Optionally, the target video may be a general direct-shot video, and the target object serves as the main shooting object of the direct-shot video.

Optionally, the electronic device can obtain the target video with the target object as the main body of the video when receiving the user's input to end the video recording, or can automatically end the recording video after the preset duration of recording, and obtain the target video with the target object as the main body of the video. target video. The user's input to end the video recording can be an operation of clicking on the end shooting control; or it can be an operation of pressing a preset hardware button to end shooting; or it can be an operation of sliding on the screen according to a preset gesture to end shooting; etc.

Optionally, the target video with the target object as the subject of the video can be a video generated by a cropped image corresponding to the area where the target object is located; or it can be a video generated by a spliced image obtained by splicing the video recording image and the cropped image; or it can be a video generated by splicing the video recording image and the cropped image. Is caused by cropping the image except for the target object The video can be generated from a cropped image obtained by blurring the area where the shooting object is located; or it can be a video generated from an image obtained by blurring the area other than the target object in the video recording image; etc., this embodiment is suitable for This is not limited.

It should be noted that direct shooting refers to filming only one person's entire performance during a male and female group's performance. Because direct shooting is conducive to directly comparing the performance of two people's dance movements, it is often used in talent show variety shows. With the popularity of the idol economy, emerging domestic idol groups are emerging one after another. They shine and show their charm on various stages. Some viewers hope to focus solely on their idol's performance when enjoying the group stage. They will manually focus on their idol throughout the video recording on the spot; or they will edit the recorded panoramic performance video in post-production. way to create direct shots of idols to enjoy and save. There are the following problems with on-site manual recording: the stage is generally dynamic, and the recording needs to change with the movement of the stage. When zooming in and shooting the picture from a long distance, a slight shake of the hand will cause drastic changes in the content of the picture. , it is difficult to shoot accurately and clearly. There are the following problems with the post-editing method: video post-editing is more complex than pictures, time-consuming and labor-intensive, and secondary compression of the video may lead to loss of image quality.

In the embodiment of the present application, by receiving the user's first input of the target object in the shooting preview interface, the video preview image with the target object as the main body of the video is displayed in the shooting preview interface, and the target with the target object as the main body of the video is recorded. Video provides a direct-shooting video recording method, which allows the photographer to select the person of interest in the picture during video recording and automatically record the corresponding direct-shooting video. In the embodiment of this application, by integrating subject recognition and video editing into a complete intelligent direct-shooting recording operation, the original complex direct-shooting video production becomes simple and easy to use, solving the pain points of using mobile phones to shoot direct-shooting videos, and at the same time It can effectively avoid defects such as low image quality caused by post-processing.

In the embodiment of the present application, the user's first input to the target object in the shooting preview interface is received; in response to the first input, in the shooting preview interface, a video preview image with the target object as the main subject of the video is displayed; and the recording is performed with the target object as the main body of the video. The target video of the video body. In this way, the video of the object of interest to the user can be directly recorded, without the need for the user to edit the video later to obtain the interesting content in the video. The video content of interesting objects avoids cumbersome operations; moreover, there is no need to perform secondary compression on the video, which improves the video quality.

Optionally, the video recording method further includes: displaying at least two shooting range candidate boxes in the initial shooting preview interface; the shooting range candidate boxes are used to select the video shooting range; and receiving user comments on targets in the at least two shooting range candidate boxes. A second input of the candidate frame; in response to the second input, the initial shooting preview interface is adjusted to a shooting preview interface of the video shooting range corresponding to the target candidate frame.

Alternatively, the user can select the target object in the initial shooting preview interface, that is, the first input acts on the target object in the initial shooting preview interface; or, the user can select the target object in the shooting preview interface of the video shooting range corresponding to the target candidate box. Select the target object, that is, the first input acts on the target object in the shooting preview interface of the video shooting range corresponding to the target candidate frame.

Optionally, each of the at least two shooting range candidate boxes corresponds to a video shooting range. The video shooting range may correspond to the field of view, and the electronic device may include multiple cameras, and each camera may correspond to a video shooting range; or the electronic device may include one or more cameras, and each camera may correspond to multiple video shooting ranges. . The second input may be an operation of clicking the target candidate box; or it may be an operation of selecting the target candidate box; or it may be an operation of sliding on the target candidate box according to a preset gesture; etc. This embodiment does not accept the second input. Make restrictions.

In this embodiment, at least two shooting range candidate frames are displayed in the initial shooting preview interface, the user's second input for the target candidate frame in the at least two shooting range candidate frames is received, and the initial shooting preview interface is adjusted to the target candidate frame The shooting preview interface corresponding to the video shooting range allows the user to select a suitable video shooting range for shooting without requiring the user to move the electronic device to obtain a better shooting angle, avoiding the jitter caused by moving the electronic device, thereby improving the generated video Video quality.

Optionally, before displaying a video preview image with the target object as the video subject in the shooting preview interface, the video recording method further includes: displaying at least two video subject mode options in the shooting preview interface; the video subject mode option is used to Select a subject mode of the video subject; receive a third input from the user for a target option among at least two video subject mode options; and in response to the third input, determine the subject mode corresponding to the target option as the subject of the target object in the target video model.

Optionally, the third input may be an operation of clicking on the target option; or it may be an operation of frame-selecting the target option; or it may be an operation of sliding on the target option according to a preset gesture; and so on. In this embodiment, the third input Not limited.

Optionally, the main mode represented by the at least two video main mode options may include a single display mode, a highlighted display mode, a spliced display mode, etc., which is not limited in this embodiment. The individual display mode can be to display a cropped image corresponding to the area where the target object is located. The method of obtaining the cropped image can be: crop the video recording image according to the location of the target object to obtain a cropped image corresponding to the area where the target object is located; highlight mode The cropped image after blur processing may be displayed, and the acquisition method of the cropped image after blur processing may be: when the cropped image contains a subject other than the target object, blurring the area where the subject is located in the cropped image , to obtain the cropped image after blur processing; the splicing display mode can be to display the spliced image, and the spliced image can be an image obtained by splicing the video recording image and the cropped image.

In practical applications, the electronic device can crop out and display the area where the target object is located in each frame captured by the video, so that the target object can be directly displayed; or, it can remove the target object from each frame captured by the video. The area outside the area where the target object is located is blurred, so as to present the video recording image after blurring the area outside the target object; or, the spliced image of the video recording image and the area where the target object is located can be displayed, thereby realizing the panoramic perspective and Stitching from a direct perspective.

In this embodiment, at least two video subject mode options are displayed in the shooting preview interface, the user's third input for the target option in the at least two video subject mode options is received, and the subject mode corresponding to the target option is determined as the target object. The subject mode in the target video enables the user to select the subject mode of the target object in the target video, thereby improving the interactive experience between the user and the electronic device.

Optionally, in response to the first input, in the shooting preview interface, display a video preview image with the target object as the subject of the video, including: in response to the first input, obtaining a video recording image containing the target object; according to the location of the target object , crop the video recording image to obtain the cropped image corresponding to the area where the target object is located; display the cropped image in the shooting preview interface.

Optionally, the shape of the cropped image may be a square, a circle, a diamond, or the shape of a target object, etc. This embodiment does not limit the shape of the cropped image. The size of the cropped image can be set in advance. The cropped image can be an image area with a preset size of the target object displayed in the video recording image. For example, the minimum value of the distance between the boundary line of the cropped image and the contour line of the target object is the preset size. Set value; alternatively, the size of the cropped image can be determined by the user's input, an activity box with the target object selected can be displayed on the video recording image, the user's adjustment input to the activity box can be received, and the activity after the adjustment input The image area where the frame is located is used as the cropped image. This embodiment does not limit the size of the cropped image.

It should be noted that cropping the video recording image may include determining the location of the target object in the video recording image during the video shooting process, determining the cropping area in the video recording image based on the location of the target object, and cropping The area is cropped to obtain a cropped image. The cropping area can be a frame-selected area with the target object.

Optionally, during the video shooting process, the electronic device can use the center point of the target object as the center point of the cropping area, and update the cropping area in real time based on the movement of the center point of the target object; alternatively, the electronic device can identify the target. The contour line of the object updates the cropping area in real time based on the movement of the contour line of the target object, so that the contour line of the target object is within the clipping area.

Optionally, the target object may include at least a first object and a second object, the area where the target object is located includes the area where the first object is located and the area where the second object is located in the video recording image, and the cropped image is displayed in the shooting preview interface, The spliced image of the cropped image of the area where the first object is located and the cropped image of the area where the second object is located may be displayed in the shooting preview interface. It should be noted that, in addition to the first object and the second object, the target object may also include a third object or more objects, thereby achieving the effect of direct shooting of multiple people.

In this embodiment, a video recording image containing the target object is obtained, the video recording image is cropped according to the location of the target object, a cropped image corresponding to the area where the target object is located is obtained, and the cropped image is displayed in the shooting preview interface, thereby facilitating the user See the target object intuitively and clearly.

Optionally, before displaying the cropped image in the shooting preview interface, the video recording method also includes: When the cropped image contains subjects other than the target object, blur the area where the subject is located in the cropped image; display the cropped image in the shooting preview interface, including: displaying the blurred crop in the shooting preview interface image.

Optionally, blurring the area where the subject is located in the cropped image may be blurring the area where the subject is located except the target object in the cropped image. Blur processing may be blur processing, or may be mosaic processing, or may be processing to adjust transparency, etc. This embodiment does not limit the blur processing.

In this embodiment, when the cropped image contains a photographic object other than the target object, the area where the photographic object is located in the cropped image is blurred, and the blurred cropped image is displayed in the shooting preview interface, so that it can be used during shooting. The target object is highlighted in the preview interface.

Optionally, displaying the cropped image in the shooting preview interface includes: displaying a spliced image in the shooting preview interface, where the spliced image is an image obtained by splicing the video recording image and the cropped image.

Optionally, the video recording image and the cropped image may be spliced in a left-right splicing manner to obtain a spliced image, or may be spliced in an up-and-down splicing manner to obtain a spliced image, or may be spliced in other forms to obtain a spliced image, This embodiment does not limit this.

In this embodiment, a spliced image is displayed in the shooting preview interface. The spliced image is an image obtained by splicing the video recording image and the cropped image, so that the viewer can compare and view the complete picture and the partial picture including only the target object.

Optionally, before displaying the cropped image in the shooting preview interface, the video recording method also includes: performing detail enhancement processing on the cropped image; displaying the cropped image in the shooting preview interface, including: displaying the detail enhancement processing in the shooting preview interface cropped image.

Optionally, detail enhancement processing can be used to enhance the clarity of the cropped image, compensate for possible flaws in the cropped image, and improve the picture quality of the cropped image.

In this embodiment, detail enhancement processing is performed on the cropped image, and the cropped image after the detail enhancement processing is displayed in the shooting preview interface, so that high-resolution intelligent detail enhancement can be performed on the video content to make up for the possible loss of clarity after cropping. , enhance the look and feel of the video.

Optionally, the video recording image is used to generate the original recording video; the video recording method also includes: After the target video is recorded, the target video and the original recorded video corresponding to the target video are stored.

Optionally, the electronic device can simultaneously store the target video and the original recorded video corresponding to the target video in the photo album. After background processing, the processed target video can be automatically saved as a new video in the album, and the original recorded video can be stored at the same time. Therefore, after taking a direct shot of the stage, the user can view the complete stage video in the album, or view Processed direct video.

In this embodiment, after the target video is recorded, the target video and the original recorded video corresponding to the target video are stored, thereby facilitating the user to view the complete video and the direct-shot video.

Optionally, after displaying a video preview image with the target object as the subject of the video in the shooting preview interface, the video recording method further includes: receiving a fourth input from the user to the video preview image; and adjusting the shooting preview in response to the fourth input. The display size of the target object in the interface.

Optionally, the fourth input may be an operation of enlarging or reducing the border of the area where the target object is located in the video preview image; or it may be an operation of inputting the display size of the target object on the video preview image; or it may be clicking on the video preview The operation of adjusting the display size of the target object in the area where the target object is located in the image; etc., any operation that can be used to adjust the display size of the target object can be used as the fourth input. This embodiment does not specify the specific expression form of the fourth input. Make restrictions. For example, you can zoom and adjust the angle of view with your thumb and index finger to adjust the display size of the target object in the shooting preview interface.

In this embodiment, the fourth input of the video preview image from the user is received, and the display size of the target object in the shooting preview interface is adjusted in response to the fourth input. In this way, the user can adjust the display size of the target object in the shooting preview interface in real time.

As a specific embodiment, the video recording method may include the following process:

(1) The user turns on the camera video function of the mobile phone and selects the smart direct shooting function. As shown in Figure 2, the user points the mobile phone at the stage scene. The display content of the shooting preview interface 11 of the mobile phone includes the entire stage.

(2) Before video recording, guide the user to choose the appropriate shooting range. The field of view (FOV) of all cameras is displayed on the shooting preview interface, and the user manually selects the appropriate field of view to record direct video. As shown in FIG. 3 , the mobile phone can display at least two shooting range candidate boxes 12 on the shooting preview interface 11 , and each shooting range candidate box 12 can correspond to a field of view angle.

(3) Guide the user to confirm the subject of the video. As shown in Figure 4, the mobile phone can intelligently identify several video objects 13 in the preview screen for the user to select. The user clicks one of the video objects 13, which locks the video object 13 as The subject of the video; alternatively, the user can also manually select the subject of the video. For example, the user can select an object of interest in the shooting preview interface, and the background will automatically lock the object of interest as the subject of the video.

(4) After determining the video subject, guide the user to select the video subject mode of the video subject.

The following three modes are available for users to choose from:

Mode 1: As shown in Figure 5, separate display mode, only the main body of the video is retained in the video image;

Mode 2: As shown in Figure 6, the highlight mode blurs the parts of the video image other than the main body of the video, such as blurring or mosaic processing;

Mode three: As shown in Figure 7, the splicing display mode splices the video recording image and the video image containing the video subject (such as the video image obtained through the above mode one or mode two). One side is the panoramic view display area 14. The video image of the original video is displayed; one side is a direct shooting perspective display area 15, which displays the video image of the video subject.

For example, when there is an object of interest to the user among the objects recognized by the mobile phone, the user can click on the object of interest, and the mobile phone locks the video object selected by the user as the video subject. After the video subject is determined, the video subject can be displayed on the shooting preview interface. Preview images corresponding to the three video main modes. Users can click on the preview image corresponding to a certain video main mode to select the video main mode.

For example, when there is no subject of interest to the user among the objects recognized by the phone, the user can manually select the video object. The user can select the object of interest in the shooting preview interface, and the phone will automatically lock the object of interest as the subject of the video. After the video subject is determined, the preview images corresponding to the three video subject modes of the video subject can be displayed on the shooting preview interface. The user can click on the preview image corresponding to a certain video subject mode to select the video subject mode.

It should be noted that during a group performance, when the user only wants to watch the video of a certain performer, he or she can choose the individual display mode or the highlight mode. When the user wants to watch the performance of the group and a single performer at the same time, he or she can Select the tiled display mode.

(5) After the user confirms the video subject and selects the video subject mode, the user clicks video recording Control to start recording video. The phone's camera will calculate the position of the video subject in the video recording image through human body tracking, and then lock the direct shot on the selected video subject. The background will follow the video subject around the video subject based on the recording content. By calculating and cropping a frame of appropriate size as the presentation angle of the direct-shot video of the video subject, a direct-shot video of the video subject can be generated.

As shown in Figure 8, users can also zoom with two fingers in the direct shooting perspective display area 15 in the shooting preview interface to customize the display size of the video subject for recording.

(6) After the video recording is completed, the user can select the export control according to the on-screen prompts. As shown in Figure 9, the screen will display a processing progress bar to instruct the user to wait.

(7) After generating a direct-shot video of the video subject, high-resolution intelligent detail enhancement can be performed on the video content to make up for the possible loss of clarity after cropping and enhance the look and feel of the picture.

(8) After background processing, a pop-up box prompts the user that the direct-shot video has been processed, and the original video and direct-shot video are stored in the local album. The user can watch the original video and direct-shot video in the album, or share them to social applications. wait.

It should be noted that when taking a direct shot of a group performance, the shooting preview interface of the mobile phone will display portraits of multiple performers. At this time, the user clicks to select a portrait of a performer as the target object, and the target object is is the video subject of the video. The mobile phone tracks the target object in real time. When the user selects the individual display mode, the mobile phone can use the center point of the target object as the center point of the cropping area, update the cropping area in real time based on the movement of the center point of the target object, and crop the cropping area to include the target object. The cropped image is displayed in the shooting preview interface, and the straight-shot video is composed of the cropped image; when the user selects the highlight mode, the area except the target object is blurred, and the blur is displayed in the shooting preview interface The processed image, and the blurred image constitutes a direct-shot video; when the user selects the splicing display mode, the video recording image and the cropped image are spliced, and the spliced image is displayed in the shooting preview interface, and the spliced image is Constitute a direct video.

This embodiment can capture the video subject throughout the entire process while maintaining the stability of the captured image.

It should be noted that, for the video recording method provided by the embodiment of the present application, the execution subject may be a video recording device. In the embodiment of the present application, the method of performing video recording by a video recording device is taken as an example to illustrate the video recording device provided by the embodiment of the present application.

Referring to Figure 10, Figure 10 is a schematic structural diagram of a video recording device provided by an embodiment of the present application. As shown in Figure 10, the video recording device 200 includes:

The first receiving module 201 is used to receive the user's first input on the target object in the shooting preview interface;

The first display module 202 is configured to, in response to the first input, display a video preview image with the target object as the video subject in the shooting preview interface;

The recording module 203 is used to record a target video with the target object as the main body of the video.

Optionally, the video recording device 200 also includes:

The second display module is used to display at least two shooting range candidate boxes in the initial shooting preview interface; the shooting range candidate boxes are used to select the video shooting range;

a second receiving module, configured to receive a second input from the user to the target candidate frame in the at least two shooting range candidate frames;

The first adjustment module is configured to adjust the initial shooting preview interface to the shooting preview interface of the video shooting range corresponding to the target candidate frame in response to the second input.

Optionally, the video recording device 200 also includes:

The third display module is used to display at least two video subject mode options in the shooting preview interface; the video subject mode option is used to select the subject mode of the video subject;

A third receiving module configured to receive a third input from the user to a target option among at least two video subject mode options;

The determining module is configured to respond to the third input and determine the subject mode corresponding to the target option as the subject mode of the target object in the target video.

Optionally, the first display module 202 includes:

an acquisition unit configured to acquire a video recording image containing the target object in response to the first input;

The cropping unit is used to crop the video recording image according to the location of the target object, and obtain the cropped image corresponding to the area where the target object is located;

The display unit is used to display the cropped image in the shooting preview interface.

Optionally, the video recording device 200 also includes:

A blur processing module used to blur the area where the subject is located in the cropped image when the cropped image contains subjects other than the target object;

The display unit is specifically used for:

Display the blurred cropped image in the shooting preview interface.

Optionally, the display unit is specifically used for:

In the shooting preview interface, a spliced image is displayed. The spliced image is an image obtained by splicing the video recording image and the cropped image.

Optionally, the video recording device 200 also includes:

Enhancement processing module, used to enhance details of cropped images;

The display unit is specifically used for:

Display the cropped image after detail enhancement in the shooting preview interface.

Optionally, the video recording image is used to generate the original recorded video;

The video recording device 200 also includes:

The storage module is used to store the target video and the original recorded video corresponding to the target video after the target video is recorded.

Optionally, the video recording device 200 also includes:

The fourth receiving module is used to receive the user's fourth input of the video preview image;

The second adjustment module is configured to adjust the display size of the target object in the shooting preview interface in response to the fourth input.

In the embodiment of the present application, the first receiving module receives the user's first input on the target object in the shooting preview interface; the first display module responds to the first input and displays a video with the target object as the subject of the video in the shooting preview interface. Preview the image; the recording module records the target video with the target object as the main body of the video. In this way, the video of the object of interest to the user can be directly recorded, without the need for the user to edit the video later to obtain the video content of the object of interest in the video, avoiding cumbersome operations; and, there is no need to perform secondary compression on the video, which improves the video quality. Picture quality.

The video recording device in the embodiment of the present application may be an electronic device or a component of the electronic device, such as an integrated circuit or chip. The electronic device may be a terminal or something other than a terminal. other equipment. For example, the electronic device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted electronic device, a mobile Internet device (MID), or augmented reality (AR)/virtual reality (VR). ) equipment, robots, wearable devices, ultra-mobile personal computers (UMPC), netbooks or personal digital assistants (PDA), etc., and can also be servers, network attached storage (Network Attached Storage, NAS), personal computer (PC), television (TV), teller machine or self-service machine, etc., the embodiments of this application are not specifically limited.

The video recording device in the embodiment of the present application may be a device with an operating system. The operating system can be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of this application.

The video recording device provided by the embodiment of the present application can implement each process implemented by the method embodiment in Figure 1. To avoid duplication, the details will not be described here.

Optionally, as shown in Figure 11, this embodiment of the present application also provides an electronic device 300, including a processor 301 and a memory 302. The memory 302 stores programs or instructions that can be run on the processor 301, and the program or When the instructions are executed by the processor 301, each step of the above video recording method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, the details will not be described here.

It should be noted that the electronic devices in the embodiments of the present application include the above-mentioned mobile electronic devices and non-mobile electronic devices.

Figure 12 is a schematic diagram of the hardware structure of an electronic device that implements an embodiment of the present application.

The electronic device 400 includes but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, input unit 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor 410, etc. part.

Those skilled in the art can understand that the electronic device 400 may also include a power supply (such as a battery) that supplies power to various components. The power supply may be logically connected to the processor 410 through a power management system, thereby managing charging, discharging, and function through the power management system. Consumption management and other functions. The structure of the electronic device shown in FIG. 12 does not constitute a limitation on the electronic device, and the electronic device may include more than what is shown in the figure. or fewer components, or combination of certain components, or different component arrangements, which will not be described again here.

Among them, the user input unit 407 is used to receive the user's first input to the target object in the shooting preview interface;

The display unit 406 is configured to, in response to the first input, display a video preview image with the target object as the video subject in the shooting preview interface;

Processor 410, configured to: record a target video with the target object as the main body of the video.

In the embodiment of the present application, the user input unit receives the user's first input on the target object in the shooting preview interface; the display unit responds to the first input and displays a video preview image with the target object as the video subject in the shooting preview interface; The processor records a target video with the target object as the subject of the video. In this way, the video of the object of interest to the user can be directly recorded, without the need for the user to edit the video later to obtain the video content of the object of interest in the video, avoiding cumbersome operations; and, there is no need to perform secondary compression on the video, which improves the video quality. Picture quality.

Optionally, the display unit 406 is also configured to display at least two shooting range candidate boxes in the initial shooting preview interface; the shooting range candidate boxes are used to select the video shooting range;

The user input unit 407 is also configured to receive a second input from the user to the target candidate frame among the at least two shooting range candidate frames;

The processor 410 is also configured to adjust the initial shooting preview interface to the shooting preview interface of the video shooting range corresponding to the target candidate frame in response to the second input.

Optionally, the display unit 406 is also configured to display at least two video subject mode options in the shooting preview interface; the video subject mode option is used to select the subject mode of the video subject;

The user input unit 407 is also configured to receive a third input from the user to the target option among the at least two video body mode options;

The processor 410 is also configured to respond to the third input and determine the subject mode corresponding to the target option as the subject mode of the target object in the target video.

Optionally, the processor 410 is also configured to obtain a video recording image containing the target object in response to the first input;

The processor 410 is also used to crop the video recording image according to the location of the target object, Obtain the cropped image corresponding to the area where the target object is located;

The display unit 406 is also used to display the cropped image in the shooting preview interface.

Optionally, the processor 410 is also configured to blur the area where the photographed object is located in the cropped image when the cropped image contains a photographic object other than the target object;

The display unit 406 is also used to display the blurred cropped image in the shooting preview interface.

Optionally, the display unit 406 is also used to display a spliced image in the shooting preview interface. The spliced image is an image obtained by splicing the video recording image and the cropped image.

Optionally, the processor 410 is also used to perform detail enhancement processing on the cropped image;

The display unit 406 is also used to display the cropped image after detail enhancement processing in the shooting preview interface.

The processor 410 is also configured to store the target video and the original recorded video corresponding to the target video after the target video is recorded.

Optionally, the user input unit 407 is also used to receive the user's fourth input to the video preview image;

The processor 410 is also configured to adjust the display size of the target object in the shooting preview interface in response to the fourth input.

It should be understood that in the embodiment of the present application, the input unit 404 may include a graphics processor (Graphics Processing Unit, GPU) 4041 and a microphone 4042. The graphics processor 4041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras). The display unit 406 may include a display panel 4061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 407 includes a touch panel 4071 and at least one of other input devices 4072 . Touch panel 4071, also called touch screen. The touch panel 4071 may include two parts: a touch detection device and a touch controller. Other input devices 4072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.

Memory 409 may be used to store software programs as well as various data. Memory 409 may mainly include A first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area can store an operating system, an application program or instructions required for at least one function (such as a sound playback function, an image playback function, etc.) wait. Additionally, memory 409 may include volatile memory or nonvolatile memory, or memory 409 may include both volatile and nonvolatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM). Memory 409 in embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.

The processor 410 may include one or more processing units; optionally, the processor 410 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 410.

Embodiments of the present application also provide a readable storage medium. Programs or instructions are stored on the readable storage medium. When the program or instructions are executed by the processor, each process of the above video recording method embodiment is implemented, and the same technology can be achieved. The effect will not be described here in order to avoid repetition.

Wherein, the processor is the processor in the electronic device in the above embodiment. Readable storage media includes computer-readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disks or optical disks.

An embodiment of the present application further provides a chip. The chip includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the above video recording method. Each process of the embodiment can achieve the same technical effect, so to avoid repetition, it will not be described again here.

It should be understood that the chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-a-chip or system-on-chip, etc.

Embodiments of the present application provide a computer program product, which is stored in a storage medium. The computer program product is executed by at least one processor to implement each process of the above video recording method embodiment, and can achieve the same To avoid repetition, the technical effects will not be repeated here.

The embodiment of the present application provides a communication device that is configured to perform each process of the above video recording method embodiment and can achieve the same technical effect. To avoid duplication, the details will not be described here.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article or apparatus that includes that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions may be performed, for example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation. Based on this understanding, the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology. The computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods of various embodiments of the present application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Inspired by this application, many forms can be made without departing from the purpose of this application and the scope protected by the claims, all of which fall within the protection of this application.

Claims

A video recording method, the method includes:

Receive the user's first input on the target object in the shooting preview interface;

In response to the first input, in the shooting preview interface, display a video preview image with the target object as the video subject;

Record a target video with the target object as the main body of the video.
The method of claim 1, further comprising:

Display at least two shooting range candidate boxes in the initial shooting preview interface; the shooting range candidate boxes are used to select the video shooting range;

receiving a second input from the user to a target candidate frame among the at least two shooting range candidate frames;

In response to the second input, the initial shooting preview interface is adjusted to the shooting preview interface of the video shooting range corresponding to the target candidate frame.
The method according to claim 1, wherein before displaying a video preview image with the target object as the subject of the video in the shooting preview interface, the method further includes:

Display at least two video subject mode options in the shooting preview interface; the video subject mode option is used to select the subject mode of the video subject;

receiving a third user input for a target option among the at least two video body mode options;

In response to the third input, the subject mode corresponding to the target option is determined as the subject mode of the target object in the target video.
The method according to claim 1, wherein in response to the first input, displaying a video preview image with the target object as the video subject in the shooting preview interface includes:

In response to the first input, obtaining a video recording image containing the target object;

Cropping the video recording image according to the location of the target object to obtain a cropped image corresponding to the area where the target object is located;

The cropped image is displayed in the shooting preview interface.
The method according to claim 4, wherein before displaying the cropped image in the shooting preview interface, the method further includes:

In the case where the cropped image contains a photographic object other than the target object, blurring is performed on the area where the photographic object is located in the cropped image;

Displaying the cropped image in the shooting preview interface includes:

The cropped image after blur processing is displayed in the shooting preview interface.
The method of claim 4, wherein displaying the cropped image in the shooting preview interface includes:

In the shooting preview interface, a spliced image is displayed, which is an image obtained by splicing the video recording image and the cropped image.
The method according to claim 4, wherein before displaying the cropped image in the shooting preview interface, the method further includes:

Perform detail enhancement processing on the cropped image;

Displaying the cropped image in the shooting preview interface includes:

The cropped image after detail enhancement processing is displayed in the shooting preview interface.
The method of claim 4, wherein the video recording image is used to generate an original recorded video;

The method also includes:

After the target video is recorded, the target video and the original recorded video corresponding to the target video are stored.
The method according to claim 1, wherein after displaying a video preview image with the target object as the subject of the video in the shooting preview interface, the method further includes:

receiving a fourth input from the user to the video preview image;

In response to the fourth input, the display size of the target object in the shooting preview interface is adjusted.
A video recording device, the device includes:

A first receiving module configured to receive the user's first input of the target object in the shooting preview interface;

A first display module configured to, in response to the first input, display a video preview image with the target object as the video subject in the shooting preview interface;

A recording module, configured to record a target video with the target object as the subject of the video.
The device of claim 10, wherein the device further comprises:

The second display module is used to display at least two shooting range candidate boxes in the initial shooting preview interface; the shooting range candidate boxes are used to select the video shooting range;

a second receiving module configured to receive a second input from the user to the target candidate frame in the at least two shooting range candidate frames;

A first adjustment module, configured to adjust the initial shooting preview interface to the shooting preview interface of the video shooting range corresponding to the target candidate frame in response to the second input.
The device according to claim 10, wherein before displaying a video preview image with the target object as the video subject in the shooting preview interface, the device further includes:

The third display module is used to display at least two video subject mode options in the shooting preview interface; the video subject mode option is used to select the subject mode of the video subject;

A third receiving module configured to receive a third input from the user to the target option among the at least two video body mode options;

A determining module, configured to respond to the third input and determine the subject mode corresponding to the target option as the subject mode of the target object in the target video.
The device of claim 10, wherein the first display module includes:

an acquisition unit configured to acquire a video recording image containing the target object in response to the first input;

A cropping unit, configured to crop the video recording image according to the location of the target object, and obtain a cropped image corresponding to the area where the target object is located;

A display unit configured to display the cropped image in the shooting preview interface.
An electronic device, including a processor and a memory, the memory stores a program or instructions that can be run on the processor, wherein when the program or instructions are executed by the processor, any of claims 1-9 is implemented. One step of the video recording method.
A readable storage medium on which a program or instructions are stored, wherein when the program or instructions are executed by a processor, the steps of the video recording method according to any one of claims 1 to 9 are implemented.
A chip including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the video recording method according to any one of claims 1-9 .
A computer program product, wherein the program product is stored in a non-volatile storage medium, and the program product is executed by at least one processor to implement the video recording method according to any one of claims 1-9 .
A communication device configured to perform the video recording method according to any one of claims 1-9.