CN110855893A - Video shooting method and electronic equipment - Google Patents
Video shooting method and electronic equipment Download PDFInfo
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- CN110855893A CN110855893A CN201911190840.8A CN201911190840A CN110855893A CN 110855893 A CN110855893 A CN 110855893A CN 201911190840 A CN201911190840 A CN 201911190840A CN 110855893 A CN110855893 A CN 110855893A
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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
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
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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
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
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Abstract
The embodiment of the invention provides a video shooting method and electronic equipment, wherein the method comprises the following steps: acquiring shooting parameter detail information of a reference video; acquiring shooting method prompt information matched with the shooting parameter detail information; displaying shooting method prompt information, wherein the shooting method prompt information comprises at least one of the following items: shooting technique tutorials and shooting operation prompt information. In the embodiment of the invention, based on the shooting parameter detail information of the reference video, the shooting method prompt information matched with the shooting parameter detail information is acquired and displayed, so that a user can shoot a video with the shooting method the same as or similar to that of the reference video under the guidance of the shooting method prompt information, and the video shooting difficulty is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a video shooting method and electronic equipment.
Background
At present, short videos are very popular on the network, and users are more and more fond of watching and shooting distinctive short videos by using electronic equipment. Users often want to mimic taking a similar video after watching some high-level video. However, high-quality video generally needs to be shot by a professional shooting method, and for an ordinary user who does not learn the professional shooting technique, it is difficult to know the shooting method only through a video screen, so that the user cannot shoot a satisfactory video when simulating shooting.
Disclosure of Invention
The embodiment of the invention provides a video shooting method and electronic equipment, and aims to solve the problem that the existing video shooting method only can provide some professional parameters for a user, and the user is difficult to directly understand and use, so that the video shooting difficulty is high.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for video shooting, which is applied to an electronic device, and the method includes:
acquiring shooting parameter detail information of a reference video;
acquiring shooting method prompt information matched with the shooting parameter detail information;
displaying the shooting method prompt information, wherein the shooting method prompt information comprises at least one of the following items: shooting technique tutorials and shooting operation prompt information.
In a second aspect, an embodiment of the present invention provides an electronic device, including:
the first acquisition module is used for acquiring shooting parameter detail information of a reference video;
the second acquisition module is used for acquiring shooting method prompt information matched with the shooting parameter detail information;
the first display module is used for displaying the shooting method prompt information, and the shooting method prompt information comprises at least one of the following items: shooting technique tutorials and shooting operation prompt information.
In a third aspect, an embodiment of the present invention provides an electronic device, which includes a processor, a memory, and a program stored on the memory and executable on the processor, where the program, when executed by the processor, implements the steps of the method for video shooting according to the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when executed by a processor, the computer program implements the steps of the method for video shooting according to the first aspect.
In the embodiment of the invention, based on the shooting parameter detail information of the reference video, the shooting method prompt information matched with the shooting parameter detail information is acquired and displayed, so that a user can shoot a video with the shooting method the same as or similar to that of the reference video under the guidance of the shooting method prompt information, and the video shooting difficulty is reduced.
Drawings
Fig. 1 is a schematic flow chart of a video shooting method according to an embodiment of the present invention;
fig. 2 is a second flowchart of a video shooting method according to an embodiment of the present invention;
fig. 3a is a third schematic flowchart of a video shooting method according to an embodiment of the present invention;
fig. 3b is a schematic diagram of an application scenario provided in the embodiment of the present invention;
FIG. 3c is a second schematic view of an application scenario provided by the embodiment of the present invention;
FIG. 4a is a fourth flowchart illustrating a video shooting method according to an embodiment of the present invention;
FIG. 4b is an exemplary content of a capture script provided by an embodiment of the present invention;
fig. 4c is a third schematic view of an application scenario provided by the embodiment of the present invention;
FIG. 5 is a fourth schematic diagram of an application scenario provided by the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 7 is a second schematic structural diagram of an electronic device according to an embodiment of the 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.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
Herein, relational terms such as "first" and "second", and the like, are used solely to distinguish one from another of like names, and do not imply a relationship or order between the names.
In the embodiment of the present invention, the electronic device may be a Mobile phone, a tablet Computer, a notebook Computer, an Ultra-Mobile Personal Computer (UMPC), a netbook, a Personal Digital Assistant (PDA), or the like, and the specific type of the electronic device is not limited in the embodiment of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a method for video shooting, where an execution subject of the method is an electronic device, and the method includes the following specific steps:
step 101: acquiring shooting parameter detail information of a reference video;
in the embodiment of the invention, when the user sees a favorite video and wants to imitate to shoot, the video can be stored in the electronic equipment as the reference video, and it can be understood that the user can pre-store a plurality of videos in the electronic equipment in advance and select the reference video needing to be imitated from the videos.
The shooting parameter detail information refers to information related to a video shooting technique, such as: shooting angle, height, direction, distance, lens advancing mode and the like. And acquiring shooting parameter detail information of the reference video by analyzing and identifying the reference video.
Step 102: acquiring shooting method prompt information matched with the shooting parameter detail information;
in the embodiment of the invention, the shooting method prompt information is used for prompting the shooting method of the video for the user, the shooting method prompt information can be stored locally, and after the shooting parameter detail information of the reference video is acquired, the electronic equipment selects the shooting method prompt information matched with the shooting parameter detail information of the reference video from the shooting method prompt information stored in the electronic equipment; the shooting method prompting information can also be stored in a server, for example, a server, after the shooting parameter detail information of the reference video is acquired, the electronic device sends the shooting parameter detail information of the reference video to the server, and the server sends the corresponding shooting method prompting information for matching to the electronic device. The storage position of the shooting method prompt information is not particularly limited in the embodiment of the invention.
The shooting method prompt information comprises at least one of the following items: the shooting method tutorial and the shooting operation prompt information, namely the method of the embodiment of the invention can be applied to the scenes of tutorial demonstration or scenes of real-time prompt of the shooting method.
The shooting technique course is written by users with the professional shooting foundation, can be in the form of characters, images, videos and the like, and is written by the users, so that the descriptions of the shooting techniques are more popular and easier to understand, the common users can understand more easily, and the common users can quickly master the shooting techniques of the videos. The shooting technique tutorial may be collected and stored in the electronic device from another website, for example, a video shooting communication website, or the shooting technique tutorial may be uploaded to the server by another user.
The above-mentioned photographing operation prompting information refers to information for prompting a user of a photographing operation, for example: when the user shoots the video, the shooting operation prompt information is displayed in the shooting preview interface, and the shooting operation prompt information guides the user to carry out corresponding shooting operation. The shooting operation prompt information may be in the form of characters, images, or a combination of characters and images.
For the case that the shooting technique prompt information is a shooting technique course, namely a scene of course demonstration, each shooting technique course has a corresponding characteristic value, and the characteristic value can be determined by shooting parameter detail information corresponding to the shooting technique course; after the shooting parameter detail information of the reference video is acquired, characteristic analysis can be performed on the shooting parameter detail information of the reference video, matching is performed on the basis of the analysis result and the characteristic value of each shooting technique course, and the shooting technique course corresponding to the characteristic value with the highest matching degree is selected.
For the case that the shooting technique prompt information is the shooting operation prompt information, that is, the scene of prompting the shooting technique in real time, the electronic device may acquire the shooting operation prompt information in the following manner: and acquiring a pre-generated shooting script, wherein the operation instruction of the shooting script comprises target shooting parameters matched with the shooting parameter detail information. And the electronic equipment reads the operation instruction of the shooting script and determines shooting operation prompt information according to the target shooting parameters in the operation instruction.
Step 103: displaying shooting method prompt information;
in the embodiment of the invention, the shooting method prompt information is displayed, so that a user can quickly know the shooting method of the reference video according to the shooting method prompt information, and the learning difficulty of video shooting is reduced.
For the case that the shooting technique prompt information is a shooting technique course, the electronic equipment can adopt a mode of playing a reference video and displaying the shooting technique course in a video picture, so that a user can learn the shooting technique by combining the video picture and the course.
For the situation that the shooting method prompt information is the shooting operation prompt information, the electronic equipment can display the shooting operation prompt information in the shooting preview interface, so that a user can adjust the video shooting method of the user in real time according to the shooting operation prompt information in the video shooting process, and a video with the same or similar shooting method as a reference video is shot.
In the embodiment of the invention, based on the shooting parameter detail information of the reference video, the shooting method prompt information matched with the shooting parameter detail information is acquired and displayed, so that a user can shoot a video with the shooting method the same as or similar to that of the reference video under the guidance of the shooting method prompt information, and the video shooting difficulty is reduced.
Referring to fig. 2, an embodiment of the present invention provides another video shooting method, where an execution subject of the method is an electronic device, and the method includes the following specific steps:
step 201: dividing the reference video into at least one video segment;
in the embodiment of the invention, in consideration of video shooting, particularly short video shooting, switching among a plurality of scenes is often involved, and shooting methods among different scenes are possibly different, so that a reference video is segmented, and shooting parameters of each video segment are obtained, so that shooting method prompt information can be matched for each video segment, and the method is more targeted for assisting a user in shooting methods.
The embodiment of the invention provides a process for dividing at least one video segment, which specifically comprises the following sub-steps:
(1) acquiring video basic parameters of a reference video;
the video base parameter refers to a basic attribute parameter to the reference video, such as: the video basic parameters of the reference video are not specifically limited in the embodiments of the present invention, such as resolution, duration, file size, bit rate, code stream, image quality, frame rate, and lens parameters.
(2) Based on the video basic parameters, carrying out feature identification on the reference video to obtain the features of each video frame;
the feature of each video frame is extracted based on the video basic parameters of the reference video, the feature of each video frame can be extracted by adopting the existing video analysis processing technology, and the specific mode for extracting the feature of each video frame is not limited in the embodiment of the invention.
(3) Dividing the reference video into at least one video segment according to the characteristics of each video frame;
optionally, when the reference video is identified, a scene change condition in the reference video may be obtained, and the reference video is divided by combining the scene change condition and the features of each video frame.
Step 202: obtaining key feature points and a lens advancing path of each video segment based on at least one video segment;
in the embodiment of the invention, each video segment is subjected to further identification processing, and the key feature point and the lens advancing path of each video segment are obtained.
The embodiment of the invention provides a process for identifying each video segment, which specifically comprises the following substeps:
(1) identifying each video segment to obtain a primary selection feature point of each video segment;
and identifying the video frame in each video segment, selecting at least one object from the scene of the video segment, and determining the at least one object as an initial selection feature point, or selecting at least one position area from the scene of the video segment, and determining the at least one position area as an initial selection feature point.
Specifically, if the video segments mainly comprise objects, performing object detection on video frames in each video segment, separating the objects from the background, and selecting a plurality of separated objects as primary selection feature points; and if the video segments are mainly scenes, performing scene recognition on the video frames in each video segment, and selecting a plurality of position ranges in the scenes as initial selection feature points.
(2) Through similarity identification, removing abnormal feature points from the primary feature points to obtain key feature points;
and analyzing the size and geometric change conditions of a plurality of initially selected feature points in the video segmentation, carrying out similarity identification on the initially selected feature points, and removing abnormal feature points to obtain key feature points.
(3) Carrying out multiple judgment on the key characteristic points to obtain a lens advancing path;
and obtaining a lens advancing path of the video segment relative to the object or the scene through majority judgment, wherein the lens advancing path is used for reflecting shooting methods related to lens control in the video shooting process, for example: zooming out and pushing in the lens, and performing flat shooting at the same horizontal height.
Step 203: determining shooting parameter detail information of each video segment based on the key feature points and the lens advancing path of each video segment;
in the embodiment of the invention, based on the lens propelling path and the geometric angle and the geometric deformation of the key characteristic point, the shooting parameter detail information such as the shooting angle, the height, the direction, the distance, the lens propelling mode and the like is calculated.
Step 204: acquiring shooting method prompt information matched with the shooting parameter detail information;
step 205: displaying shooting method prompt information;
the descriptions of step 204 to step 205 may refer to the corresponding descriptions of step 102 to step 103 in fig. 1, and are not repeated herein.
In the embodiment of the invention, the reference video is segmented, the shooting parameter detail information of each video segment is obtained, then the shooting method prompt information matched with the shooting parameter detail information is obtained based on the shooting parameter detail information, and the shooting method prompt information is displayed, so that a user can shoot the video with the shooting method the same as or similar to that of the reference video under the guidance of the shooting method prompt information, and the video shooting difficulty is reduced.
Referring to fig. 3a, in a case that the shooting technique prompt information is a shooting technique tutorial, an embodiment of the present invention provides a method for video shooting, where an execution subject of the method is an electronic device, and the method includes the following specific steps:
step 301: dividing the reference video into at least one video segment;
step 302: obtaining key feature points and a lens advancing path of each video segment based on at least one video segment;
step 303: determining shooting parameter detail information of each video segment based on the key feature points and the lens advancing path of each video segment, and then executing the step 304 and the step 306;
the description of steps 301 to 303 may refer to the description of steps 201 to 203 in fig. 2, and will not be described herein again.
Step 304: acquiring a shooting method course corresponding to the characteristic value with the highest matching degree with the shooting parameter detail information, and then executing step 308;
in the embodiment of the invention, each shooting technique course has a corresponding characteristic value, and the characteristic value can be determined by the shooting parameter detail information corresponding to the shooting technique course, for example, when the shooting technique course is uploaded, the shooting parameter detail information corresponding to the course is uploaded together, characteristic analysis is carried out on the shooting parameter detail information of each course to obtain the characteristic value, and the characteristic value is used as an index of the shooting technique course; after the shooting parameter detail information of the reference video is acquired, characteristic analysis can be performed on the shooting parameter detail information of the reference video, matching is performed on the basis of the analysis result and the characteristic value of each shooting technique course, and the shooting technique course corresponding to the characteristic value with the highest matching degree is selected.
Step 305: establishing a mapping relation between shooting parameter detail information of the video segments and video time of the video segments, and then executing step 306;
step 306: playing the reference video, displaying the shooting parameter detail information of each video segment in the picture of the reference video, and then executing step 307;
in the embodiment of the invention, after the obtained shooting parameter detail information of the video segments is matched with the video time point, the reference video is played, and the shooting parameter detail information of each video segment is displayed in the picture of the reference video, so that a user can simultaneously obtain the shooting parameter detail information of each video segment when watching the reference video, and the user can more intuitively know the video picture change corresponding to the shooting parameter change by combining the content in the reference video.
Referring to fig. 3b, a playing interface of a reference video is shown, and shooting parameter detail information 31 of a current video segment is displayed above a video picture in the form of a floating window, for example: corresponding to the video segment 1, the lens operation is 'push', the shooting height is 'flat shooting', the shooting direction is 'oblique side', and the shooting distance is 'close shot'.
It should be noted that, the process of acquiring the shooting technique tutorial described in step 304 and the process of playing the reference video described in steps 305 and 306 may be performed simultaneously, that is, the corresponding shooting technique tutorial is matched with the shooting parameter detail information of the reference video while the reference video is being played.
Step 307: receiving a first input of a user;
step 308: responding to the first input, and displaying a shooting method course;
in the embodiment of the present invention, the first input is an input used by a user to trigger the display of the shooting technique tutorial, and the first input may be a touch input to a virtual control, for example: click input, long press input, etc., the first input may also be a speech input, such as: the password "view tutorial", the first input may also be an operation of an entity key of the electronic device.
It should be noted that the shooting technique tutorial corresponds to at least one video segment, and the shooting technique tutorial may be a tutorial for the entire reference video, and the user views the entire shooting technique tutorial through the first input; the shooting technique course can also be specific to a certain video segment, namely, one shooting course can be matched for each video segment, so that when a user watches a reference video, the user can randomly select one of the video segments and view the shooting technique course corresponding to the video segment.
Referring to fig. 3c, a playing interface of a reference video is shown, and taking the first input as a touch input as an example, a first control 32 of "view tutorial" is displayed in a floating window displaying shooting parameter detail information 31, so that a user can touch the first control at any time to view the shooting technique tutorial.
In the embodiment of the invention, the reference video is played and the shooting parameter detail information of each video segment is displayed in the video picture, so that a user can visually know the video picture change corresponding to the shooting parameter change; when the reference video is played, the shooting method course matched with the shooting parameter detail information is displayed in response to the first input of the user, so that the user can check the shooting method course at any time when watching the reference video, the learning of the video shooting method is more flexible, the user can quickly master the video shooting method, and the video shooting difficulty is reduced.
Referring to fig. 4a, in a case that the shooting method prompt information is shooting operation prompt information, an embodiment of the present invention provides a method for video shooting, where an execution subject of the method is an electronic device, and the method includes the following specific steps:
step 401: dividing the reference video into at least one video segment;
step 402: obtaining key feature points and a lens advancing path of each video segment based on at least one video segment;
step 403: determining shooting parameter detail information of each video segment based on the key feature points and the lens advancing path of each video segment;
the descriptions of steps 401 to 403 may refer to the descriptions of steps 201 to 203 in fig. 2, and are not described herein again.
Step 404: acquiring a pre-generated shooting script;
in the embodiment of the present invention, the shooting script includes a plurality of operation instructions, and the script language of the shooting script includes a plurality of types, for example: the script language of the shooting script is related to the type of the electronic equipment, different types of electronic equipment can adopt different script languages, and the embodiment of the invention does not specifically limit the script language of the shooting script.
The operation instruction of the shooting script includes the target shooting parameter matched with the shooting parameter detail information, and the shooting script is generated based on the shooting parameter detail information.
In some embodiments, the shooting script is generated based on the shooting parameter detail information and the preset template, and only one script can be saved for a plurality of similar videos, namely videos with similar shooting parameter detail information.
Referring to fig. 4b, a shooting script content is shown, the shooting script including a plurality of operation instructions including target shooting parameters (params). It should be noted that the contents of the shooting script shown in fig. 4b are only examples, and the contents of the specific instruction statements in the shooting script are not limited in the embodiment of the present invention.
Step 405: under the condition of opening a shooting preview interface, reading an operation instruction of a shooting script and acquiring current shooting state information;
in the embodiment of the invention, the electronic equipment reads the operation instruction of the shooting script, analyzes the image shot by the current lens, acquires the current shooting state information, and can reflect the shooting method currently used by the user through the current shooting state information. The photographing state information may include: the process of acquiring the shooting state information according to the information such as the lens moving direction, the moving speed, the shooting angle, and the like can be realized by the existing image processing technology, and the embodiment of the invention is not particularly limited to this.
Step 406: under the condition that the shooting state information is not matched with the target shooting parameters, determining shooting operation prompt information according to the operation parameters;
in the embodiment of the present invention, the acquired shooting status information is matched with the target shooting parameters in the shooting script, and if the shooting status information is not matched with the target shooting parameters, shooting operation prompt information is determined according to the target shooting parameters, where the shooting operation prompt information includes text information and/or image information for guiding a shooting operation, for example: the shooting operation prompt information is a character of 'lens shift to right', or the shooting operation prompt information is an arrow pattern pointing to right, or the shooting operation prompt information is a combination of characters and images, such as the arrow pattern pointing to right, and is marked with 'advancing direction' under the arrow pattern.
Step 407: and under the condition that the shooting state information is not matched with the target shooting parameters, displaying shooting operation prompt information in a shooting preview interface.
In the embodiment of the invention, the display shooting operation prompt information is displayed in the shooting preview interface, so that when a user shoots a video, the real-time guidance of the user shooting method is realized through the shooting operation prompt information.
Referring to fig. 4c, a scene in which a shooting technique prompt message is displayed in a shooting preview interface is shown, the user is indicated that the user needs to perform lens advancing through characters, and the user is indicated in the lens advancing direction through arrow images.
As shown in fig. 4c, the shooting parameter detail information 31 for each video segment of the reference video may be displayed on the shooting preview interface, so that the shooting method of the user is guided together by the shooting parameter detail information 31 and the shooting method prompt information 33, thereby reducing the difficulty of video shooting.
In some embodiments, after displaying the shooting technique prompting information, the method further comprises the following steps:
(1) shooting at least one sub video;
in the embodiment of the present invention, the number of sub-videos is the same as the number of video segments of the reference video, and the video duration of each sub-video is the same as the video duration of each video segment. From the segments of the reference video, at least one sub-video corresponding to the video segments of the reference video is captured, for example: and dividing the reference video into 5 video segments with the duration of 1 second, and shooting by the user according to the shooting operation prompt information corresponding to each video segment to obtain 5 sub-videos with the duration of 1 second.
(2) Acquiring shooting parameter detail information of each sub-video;
in the embodiment of the present invention, the sub-videos shot by the user are identified, and the shooting parameter detail information of each sub-video is obtained, and the process of obtaining the shooting parameter detail information of the reference video may be referred to for the obtaining of the shooting parameter detail information of the sub-videos, which is not repeated here.
(3) Synthesizing all the sub-videos into one video under the condition that the shooting parameter detail information of each sub-video is matched with the shooting parameter detail information of the corresponding video segment;
in the embodiment of the invention, the sub-videos corresponding to each other are matched with the shooting parameter detail information of the video segments, namely, the shooting parameter detail information of each shot sub-video is verified. And under the condition that all the sub-videos pass the verification, synthesizing all the shot sub-videos, and adding music and special effects to obtain the short videos which are favored by the user, namely the videos with the same shooting method as the reference videos.
In the embodiment of the invention, the matched shooting script is obtained based on the shooting parameter detail information of the reference video, the current shooting state information is obtained based on the shooting script under the condition that a shooting preview interface is opened, the shooting method prompt information is displayed in the shooting preview interface according to the target operation parameter under the condition that the shooting state information is not matched with the target operation parameter in the shooting script, and the shooting method prompt information is used for guiding the user in real time to shoot the video in the process of shooting the video by the user, so that the video shooting difficulty is reduced.
In some embodiments, the method flows in fig. 3a and fig. 4a may be combined, that is, the corresponding shooting technique course and shooting script are matched according to the shooting parameter detail information of the reference video.
Referring to fig. 5, a playing interface of a reference video is shown, when the reference video is played, a first control 32 of "view tutorial" and a second control 34 of "shoot video" are displayed in a floating window displaying shooting parameter detail information 31, so that a user can view a shooting technique tutorial by performing touch input on the first control 32 when watching the reference video; after learning the shooting method by referring to the video and the shooting method tutorial, the second control 34 is touch-input, and is switched to the shooting preview interface, and video shooting is performed under the guidance of the shooting operation prompt information.
Referring to fig. 6, an embodiment of the present invention provides an electronic device 600, including:
a first obtaining module 601, configured to obtain shooting parameter detail information of a reference video;
a second obtaining module 602, configured to obtain shooting technique prompt information matched with the shooting parameter detail information;
a first display module 603, configured to display the shooting technique prompt information, where the shooting technique prompt information includes at least one of the following: shooting technique tutorials and shooting operation prompt information.
Optionally, the first obtaining module 601 includes:
a dividing unit for dividing the reference video into at least one video segment;
the identification unit is used for obtaining a key feature point and a lens advancing path of each video segment based on the at least one video segment;
a first determining unit, configured to determine shooting parameter detail information of each video segment based on the key feature point and the lens advancing path of each video segment.
Optionally, the dividing unit includes:
an obtaining subunit, configured to obtain video basic parameters of the reference video;
the first identification subunit is used for carrying out feature identification on the reference video based on the video basic parameters to obtain the features of each video frame;
a dividing subunit, configured to divide the reference video into at least one video segment according to the feature of each video frame.
Optionally, the identification unit includes:
the second identification subunit is used for identifying each video segment to obtain the initially selected feature point of each video segment;
a third identifying subunit, configured to remove abnormal feature points from the initially selected feature points through similarity identification, so as to obtain the key feature points;
and the fourth identification subunit is used for carrying out multiple judgment on the key feature points to obtain a lens advancing path.
Optionally, the second identifying subunit is further configured to select at least one object from a scene of the video segment, and determine the at least one object as an initially selected feature point;
the second identifying subunit is further configured to select at least one location area from the scene of the video segment, and determine the at least one location area as a primary feature point.
The electronic device further includes:
the establishing module is used for establishing a mapping relation between shooting parameter detail information of the video segment and video time of the video segment;
the second display module is used for playing the reference video and displaying the shooting parameter detail information of each video segment in the picture of the reference video;
optionally, the shooting technique prompt information is a shooting technique course, and each shooting technique course has a corresponding characteristic value;
the second obtaining module 602 includes:
and the first acquisition unit is used for acquiring the shooting method course corresponding to the characteristic value with the highest matching degree with the shooting parameter detail information.
Optionally, the first display module 603 includes:
a first receiving unit for receiving a first input of a user;
a first display unit to display a shooting technique tutorial corresponding to at least one of the video segments in response to the first input.
Optionally, the shooting method prompt information is shooting operation prompt information;
the second obtaining module 602 includes:
the second acquisition unit is used for acquiring a pre-generated shooting script, wherein the operation instruction of the shooting script comprises a target shooting parameter matched with the shooting parameter detail information, and the shooting script is generated based on the shooting parameter detail information;
the third acquisition unit is used for reading the operation instruction of the shooting script and acquiring the current shooting state information under the condition of opening a shooting preview interface;
the second determining unit is used for determining shooting operation prompt information according to the operation parameters under the condition that the shooting state information is not matched with the target shooting parameters;
the first display module 603 includes:
the second display unit is used for displaying the shooting operation prompt information in a shooting preview interface under the condition that the shooting state information is not matched with the target shooting parameters;
the shooting operation prompt information comprises character information and/or image information for guiding shooting operation.
Optionally, the electronic device further comprises:
the shooting module is used for shooting at least one sub-video, the number of the sub-videos is the same as that of the video segments, and the video duration of each sub-video is the same as that of each video segment;
the third acquisition module is used for acquiring the shooting parameter detail information of each sub-video;
a synthesizing module for synthesizing all the sub-videos into one video under the condition that the shooting parameter detail information of each sub-video is matched with the shooting parameter detail information of the corresponding video segment
In the embodiment of the invention, based on the shooting parameters of the reference video, the shooting method prompt information matched with the shooting parameters is obtained from the server and is displayed, so that a user can shoot a video with the shooting method the same as or similar to that of the reference video under the guidance of the shooting method prompt information, and the video shooting difficulty is reduced.
Fig. 7 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention, and as shown in the figure, the electronic device 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, a power supply 711, a camera module 712, and the like. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 7 is not intended to be limiting of mobile terminals, and that a mobile terminal 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 mobile terminal 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.
Preferably, a computer program stored on the memory 709 and executable on the processor 710, which computer program when executed by the processor 710 performs the steps of: acquiring shooting parameter detail information of a reference video; and acquiring shooting method prompt information matched with the shooting parameter detail information. And the display unit 706 performs the steps of: displaying the shooting method prompt information, wherein the shooting method prompt information comprises at least one of the following items: shooting technique tutorials and shooting operation prompt information.
In this way, in the embodiment of the present invention, based on the shooting parameter detail information of the reference video, the shooting method prompt information matching the shooting parameter detail information is acquired and displayed, so that the user can shoot a video with the shooting method the same as or similar to that of the reference video under the guidance of the shooting method prompt information, and the video shooting difficulty is reduced.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and sending signals during a message transmission and reception process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 710; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 701 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. In addition, the radio frequency unit 701 may also communicate with a network and other devices through a wireless communication system.
The mobile terminal provides the user with wireless broadband internet access via the network module 702, such as helping the user send and receive e-mails, browse web pages, and access streaming media.
The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output related to a specific function performed by the electronic apparatus 700 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
The input unit 704 is used to receive audio or video signals. The input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphic processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 may receive sounds and may be capable of processing such sounds 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 701 in case of a phone call mode.
The electronic device 700 also includes at least one sensor 705, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 7061 and/or a backlight when the electronic device 700 is moved to the ear. As one of the motion sensors, the 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 the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 705 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 706 is used to display information input by the user or information provided to the user. The Display unit 706 may include a Display panel 7061, and the Display panel 7061 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 707 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 7071 (e.g., operations by a user on or near the touch panel 7071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 7071 may include two parts 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 710, receives a command from the processor 710, and executes the command. In addition, the touch panel 7071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch operation is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although the touch panel 7071 and the display panel 7061 are shown in fig. 7 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited herein.
The interface unit 708 is an interface for connecting an external device to the electronic apparatus 700. 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 708 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the electronic apparatus 700 or may be used to transmit data between the electronic apparatus 700 and the external device.
The memory 709 may be used to store software programs as well as various data. The memory 709 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 709 may include high speed random access memory, and may 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 710 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby integrally monitoring the mobile terminal. Processor 710 may include one or more processing units; preferably, the processor 710 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 710.
The electronic device 700 may also include a power supply 711 (e.g., a battery) for providing power to the various components, and preferably, the power supply 711 may be logically coupled to the processor 710 via a power management system, such that functions of managing charging, discharging, and power consumption may be performed via the power management system.
The electronic device 700 may further include a camera module 712, where the camera module 712 may include a camera, a flash, and other devices related to camera functions.
In addition, the electronic device 700 includes some functional modules that are not shown, and are not described in detail herein.
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 executed by a processor, the computer program implements each process of the above account management 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.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (13)
1. A video shooting method is applied to electronic equipment and is characterized by comprising the following steps:
acquiring shooting parameter detail information of a reference video;
acquiring shooting method prompt information matched with the shooting parameter detail information;
displaying the shooting method prompt information, wherein the shooting method prompt information comprises at least one of the following items: shooting technique tutorials and shooting operation prompt information.
2. The method according to claim 1, wherein the obtaining of the shooting parameter detail information of the reference video comprises:
dividing the reference video into at least one video segment;
obtaining key feature points and a lens advancing path of each video segment based on the at least one video segment;
and determining shooting parameter detail information of each video segment based on the key feature point and the lens advancing path of each video segment.
3. The method of claim 2, wherein the dividing the reference video into at least one video segment comprises:
acquiring video basic parameters of the reference video;
based on the video basic parameters, performing feature identification on the reference video to obtain the features of each video frame;
dividing the reference video into at least one video segment according to the characteristics of each video frame.
4. The method of claim 2, wherein said deriving key feature points and a lens advancing path for each of said video segments based on said at least one video segment comprises:
identifying each video segment to obtain an initially selected feature point of each video segment;
through similarity identification, removing abnormal feature points from the primarily selected feature points to obtain the key feature points;
and carrying out multiple judgment on the key characteristic points to obtain a lens advancing path.
5. The method of claim 4, wherein said identifying each of said video segments to obtain a first selected feature point of each of said video segments comprises:
selecting at least one object from the video segmented scene, and determining the at least one object as an initial selection feature point;
or
And selecting at least one position area from the scenes of the video segments, and determining the at least one position area as a primary selection feature point.
6. The method of claim 2, wherein prior to the displaying the camera maneuver prompt message, the method further comprises:
establishing a mapping relation between shooting parameter detail information of the video segments and video time of the video segments;
and playing the reference video, and displaying the shooting parameter detail information of each video segment in the picture of the reference video.
7. The method of claim 6, wherein the camera technique prompting information is a camera technique course, each camera technique course having a corresponding feature value;
acquiring shooting method prompt information matched with the shooting parameter detail information, wherein the shooting method prompt information comprises the following steps:
and acquiring a shooting method course corresponding to the characteristic value with the highest matching degree with the shooting parameter detail information.
8. The method of claim 7, wherein the displaying the camera maneuver prompt message comprises:
receiving a first input of a user;
in response to the first input, displaying a shot maneuver tutorial corresponding to at least one of the video segments.
9. The method according to claim 2, wherein the shooting technique prompt information is shooting operation prompt information; the acquiring of the shooting method prompt information matched with the shooting parameter detail information comprises the following steps:
acquiring a pre-generated shooting script, wherein an operation instruction of the shooting script comprises a target shooting parameter matched with the shooting parameter detail information, and the shooting script is generated based on the shooting parameter detail information;
under the condition of opening a shooting preview interface, reading an operation instruction of the shooting script and acquiring current shooting state information;
under the condition that the shooting state information is not matched with the target shooting parameters, determining shooting operation prompt information according to the operation parameters;
the displaying of the shooting technique prompt information includes:
under the condition that the shooting state information is not matched with the target shooting parameters, displaying the shooting operation prompt information in a shooting preview interface;
the shooting operation prompt information comprises character information and/or image information for guiding shooting operation.
10. The method according to claim 9, further comprising, after the displaying the camera manipulation prompt message:
shooting at least one sub-video, wherein the number of the sub-videos is the same as that of the video segments, and the video duration of each sub-video is the same as that of each video segment;
acquiring shooting parameter detail information of each sub-video;
and under the condition that the shooting parameter detail information of each sub-video is matched with the shooting parameter detail information of the corresponding video segment, combining all the sub-videos into one video.
11. An electronic device, comprising:
the first acquisition module is used for acquiring shooting parameter detail information of a reference video;
the second acquisition module is used for acquiring shooting method prompt information matched with the shooting parameter detail information;
the first display module is used for displaying the shooting method prompt information, and the shooting method prompt information comprises at least one of the following items: shooting technique tutorials and shooting operation prompt information.
12. An electronic device, comprising a processor, a memory, and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the steps of the method of video capture as claimed in any one of claims 1 to 10.
13. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the method of video capturing according to any one of claims 1 to 10.
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