WO2015070373A1 - Procédé et appareil pour convertir une direction de contenu multimédia et dispositif de terminal - Google Patents

Procédé et appareil pour convertir une direction de contenu multimédia et dispositif de terminal Download PDF

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Publication number
WO2015070373A1
WO2015070373A1 PCT/CN2013/086944 CN2013086944W WO2015070373A1 WO 2015070373 A1 WO2015070373 A1 WO 2015070373A1 CN 2013086944 W CN2013086944 W CN 2013086944W WO 2015070373 A1 WO2015070373 A1 WO 2015070373A1
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WO
WIPO (PCT)
Prior art keywords
multimedia content
rotation
angle
reference direction
rotation angle
Prior art date
Application number
PCT/CN2013/086944
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English (en)
Chinese (zh)
Inventor
熊元峰
朱海涛
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to PCT/CN2013/086944 priority Critical patent/WO2015070373A1/fr
Publication of WO2015070373A1 publication Critical patent/WO2015070373A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • 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
    • H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects

Definitions

  • the present invention relates to the field of image processing, and in particular, to a multimedia content direction conversion method, apparatus, and terminal device. Background technique
  • Embodiments of the present invention provide a multimedia content direction conversion method and apparatus, and a terminal device, which can automatically obtain multimedia content according to a specified reference direction at the time of shooting.
  • a first aspect of the present invention provides a multimedia content direction conversion method, including:
  • the offset angle includes: any angle between 0 degrees and 360 degrees;
  • the detecting an offset angle of the current shooting direction from the reference direction, and buffering the captured multimedia content including: detecting by the gravity sensing sensor The current shooting direction is offset from the reference direction; the captured multimedia content is cached.
  • the calculating a rotation angle according to the offset angle, and based on the - - Rotate the angle and the reference direction to rotate the captured multimedia content including:
  • the captured multimedia content is rotated by matrix conversion based on the rotation angle and the reference direction.
  • the calculating a rotation angle according to the offset angle, and based on the rotation The angle and the reference direction rotate the captured multimedia content including:
  • the built-in image processing application for performing graphics rotation is called to rotate the captured multimedia content.
  • the saving the multimedia content obtained after the rotation processing comprises:
  • the rotation identifier includes: a rotation angle and a reference direction;
  • the multimedia content carrying the rotation logo after the rotation processing is saved.
  • the method further includes: transmitting, by the rotating processing, the multimedia content carrying the rotation identifier to the peer device, so that the peer end The device performs display processing.
  • a second aspect of the present invention provides another multimedia content direction conversion method, including:
  • Detecting whether the received multimedia content includes a rotation identifier comprises: a rotation angle and a reference direction;
  • the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content.
  • the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content, including:
  • the multimedia content received after processing is displayed.
  • a third aspect of the invention provides a computer storage medium, the computer storage medium storing a program, the program comprising the steps of the first aspect and the second aspect as claimed in the claims.
  • a fourth aspect of the present invention provides a multimedia content direction conversion apparatus
  • a detection module configured to detect an offset angle of the current shooting direction from the reference direction, and buffer the captured multimedia content, where the offset angle includes: any angle between 0 degrees and 360 degrees; Calculating a rotation angle according to the offset angle, and rotating the cached multimedia content based on the rotation angle and the reference direction;
  • the storage module is configured to save the multimedia content obtained after the rotation processing.
  • the detecting module includes:
  • a detecting unit configured to detect, by the gravity sensing sensor, an offset angle of the current shooting direction from the reference direction
  • a cache unit configured to cache the captured multimedia content.
  • the processing module includes:
  • a first calculating unit configured to obtain a rotation angle by subtracting an offset angle by 360 degrees
  • a first execution unit configured to rotate the captured multimedia content by matrix transformation based on the rotation angle and the reference direction.
  • the processing module includes:
  • a second calculating unit configured to obtain a rotation angle by subtracting an offset angle by 360 degrees
  • a second execution unit configured to invoke the built-in image processing application for performing graphics rotation to rotate the captured multimedia content based on the rotation angle and the reference direction.
  • the storage module includes:
  • a first storage unit configured to carry a rotation identifier in the multimedia content obtained by the rotation processing, where the rotation identifier comprises: a rotation angle and a reference direction;
  • the second storage unit is configured to save the multimedia content carrying the rotation identifier after the rotation processing.
  • the method further includes: a sending module, configured to send, by the rotating processing, the multimedia content that carries the rotation identifier to the peer device, The peer device is caused to perform display processing.
  • a fifth aspect of the present invention provides another multimedia content direction conversion apparatus, including:
  • a receiving module configured to receive multimedia content
  • control module configured to detect whether the received multimedia content includes a rotation identifier, where the rotation identifier comprises: a rotation angle and a reference direction;
  • a display module configured to display, by the peer device, the received multimedia content according to the rotation identifier to display the received multimedia content, if the rotation identifier is included.
  • the display module includes:
  • a processing unit configured to perform rotation processing on the received multimedia content according to a rotation angle and a reference direction in the rotation identifier
  • a display unit configured to display the received multimedia content.
  • a sixth aspect of the present invention provides a terminal device, including a camera device, a processor, and a memory, where the processor is configured to:
  • the terminal device further - - including a gravity sensing sensor, the detected offset angle of the current shooting direction from the reference direction is saved, and the captured multimedia content is saved, specifically for:
  • the gravity sensing sensor detects an angle of the current shooting direction from the reference direction, and the control memory saves the captured multimedia content.
  • the calculating a rotation angle according to the offset angle, and based on the rotation The angle and the reference direction are rotated by the captured multimedia content, specifically for: 360 degrees minus the offset angle to obtain a rotation angle;
  • the captured multimedia content is rotated by matrix conversion based on the rotation angle and the reference direction.
  • the built-in image processing application for performing graphics rotation is called to rotate the captured multimedia content.
  • controlling the memory to save the multimedia content obtained after the rotation processing is specifically used to:
  • the rotation identifier includes: a rotation angle and a reference direction;
  • the multimedia content carrying the rotation logo after the rotation processing is saved.
  • the processor is further configured to: send the rotated processed multimedia content that carries the rotation identifier to the peer device, The peer device is caused to perform display processing.
  • a seventh aspect of the present invention provides another terminal device, including a display device and a processor, where - - The processor is used to:
  • the rotation identifier includes: a rotation angle and a reference direction
  • the peer device controls the display device to display the rotation correspondingly according to the rotation identifier Multimedia content and/or multimedia content of the shooting direction.
  • the display device includes:
  • the multimedia content obtained after the processing is displayed.
  • the multimedia content direction conversion method of the embodiment of the present invention can automatically recognize and adjust the direction of the captured multimedia content during shooting, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user. Convenience, convenient for users to shoot and process multimedia content. When the user exports the obtained multimedia content to the terminal for viewing, the operation program is simple, and it is not easy to cause misoperation, thereby saving the software and hardware resources of the terminal.
  • FIG. 1 is a schematic flowchart of a method for converting a multimedia content direction according to a first embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for converting a multimedia content direction according to a second embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method for converting a multimedia content direction according to a third embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for converting a multimedia content direction according to a fourth embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a fifth embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a sixth embodiment of the present invention
  • 8 is a schematic structural diagram of a multimedia content direction conversion apparatus according to an eighth embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a terminal apparatus according to a ninth embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a terminal device according to a tenth embodiment of the present invention. detailed description
  • the multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:
  • the mobile terminal detects an offset angle of the current shooting direction from the reference direction, and caches the multimedia content obtained by the shooting.
  • the reference direction is a preset direction
  • the offset angle may be any angle between 0 degrees and 360 degrees.
  • the mobile terminal detects the offset angle of the current photographing direction from the reference direction by the gravity sensing sensor.
  • the mobile terminal calculates a rotation angle according to the offset angle, and performs rotation processing on the cached multimedia content based on the rotation angle and the reference direction.
  • the direction of rotation in the reference direction is the direction of rotation.
  • the mobile terminal saves the multimedia content obtained by performing the rotation processing.
  • the mobile terminal carries a rotation identifier in the multimedia content obtained after the rotation processing, where the rotation identifier is used to restore the multimedia content obtained by the rotation processing to the multimedia content in the shooting direction, and the rotation identifier includes: a rotation angle and a reference direction.
  • the mobile terminal includes: a mobile electronic device with a camera such as a mobile phone, a PDA, a tablet computer, or the like.
  • the multimedia content direction conversion method of the embodiment of the present invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user. Conveniently, it provides convenience for users to shoot and process multimedia content.
  • the operation program is simple, and it is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • the multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:
  • the mobile terminal detects an offset angle of the current shooting direction from the reference direction, and saves the captured multimedia content.
  • the reference direction is a preset direction
  • the offset angle may be any angle between 0 degrees and 360 degrees.
  • the mobile terminal detects the offset angle of the current photographing direction from the reference direction by the gravity sensing sensor.
  • the mobile terminal calculates a rotation angle according to the offset angle.
  • the direction of rotation in the reference direction is the direction of rotation.
  • the mobile terminal rotates the cached multimedia content by a matrix transformation manner or by calling a built-in image processing application for performing graphics rotation based on the rotation angle and the reference direction.
  • the rotation processing may be implemented by performing an operation on a matrix representing the graphics coordinates, where the operation includes a point multiplication operation, that is, the transformed vertex coordinate matrix is obtained by multiplying the transformation matrix by the graphic vertex coordinate matrix of the original multimedia content.
  • the cached multimedia content is rotated.
  • the rotation process can also be implemented by calling the built-in image processing application for graphics rotation, for example, by calling the built-in Ulead Video Studio, Adobe Photoshop, etc. Perform a rotation process.
  • the mobile terminal saves the multimedia content obtained by performing the rotation process.
  • the mobile terminal carries the rotation identifier in the multimedia content obtained after the rotation processing, - the rotation identifier is used to restore the multimedia content obtained after the rotation processing to the multimedia content in the shooting direction, and the rotation identifier comprises: a rotation angle and a reference direction.
  • the mobile terminal includes: a mobile electronic device with a camera such as a mobile phone, a PDA, or a tablet computer.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • FIG. 3 is a schematic flowchart of a method for converting a multimedia content direction according to a third embodiment of the present invention.
  • the multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:
  • the mobile terminal detects an offset angle of the current shooting direction from the reference direction, and caches the multimedia content obtained by the shooting.
  • the reference direction is a preset direction
  • the offset angle may be any angle between 0 degrees and 360 degrees.
  • the mobile terminal detects the offset angle of the current photographing direction from the reference direction by the gravity sensing sensor.
  • the mobile terminal calculates a rotation angle according to the offset angle, and performs rotation processing on the cached multimedia content based on the rotation angle and the reference direction.
  • the direction of rotation in the reference direction is the direction of rotation.
  • the rotation processing may be implemented by performing an operation on a matrix representing graphics coordinates, where the operation includes a dot multiplication operation of the matrix, that is, using the original vertex coordinate matrix of the multimedia content to multiply the transformation matrix to obtain the transformed graphics.
  • the vertex coordinate matrix is used to rotate the captured multimedia content.
  • Rotation processing can also be achieved by calling the built-in image processing application for graphics rotation, for example, by calling the built-in Ulead Video Studio, Adobe Photoshop, and other applications to rotate the cached multimedia content. - -
  • the mobile terminal saves the multimedia content obtained by performing the rotation processing.
  • the mobile terminal carries a rotation identifier in the multimedia content obtained after the rotation processing, where the rotation identifier is used to restore the multimedia content obtained after the rotation processing to the captured multimedia content, where the rotation identifier includes: a rotation angle and a reference direction.
  • the mobile terminal sends the rotated multimedia content that carries the rotation identifier to the peer device, so that the peer device performs display processing.
  • the mobile terminal sends the rotated multimedia content that carries the rotation identifier to the peer device, and the peer device can restore the rotated multimedia content to the multimedia content at the time of shooting according to the rotation identifier. It is also possible to directly display the multimedia content obtained after the rotation processing.
  • the mobile terminal includes: a mobile electronic device with a camera such as a mobile phone, a PDA, or a tablet computer.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • the multimedia content of the embodiment of the present invention includes a video, an image, and the like, and the method includes:
  • the peer device receives the multimedia content.
  • the peer device receives the multimedia content sent by the mobile terminal, and the peer device according to the embodiment of the present invention includes: an electronic device having a display device, such as a computer or a tablet computer.
  • the peer device detects whether the received multimedia content includes a rotation identifier.
  • the rotation identifier is used to restore the received multimedia content to the captured multimedia content, and the rotation identifier includes: a rotation angle and a reference direction.
  • the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content.
  • the peer device detects that the received multimedia content includes a rotation identifier, the received multimedia content may be restored to the multimedia content in the shooting direction according to the rotation identifier, or the received multimedia content may be directly displayed.
  • the peer device includes: an electronic device having a display device such as a computer or a tablet computer.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • the embodiment of the present invention provides a computer storage medium, wherein the computer storage medium may store a program, and the program includes some or all of the multimedia content direction conversion method described in the method embodiments of FIG. 1 to FIG. step.
  • FIGS. 5 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a fifth embodiment of the present invention.
  • the apparatus 1 can be used in a mobile terminal, where the apparatus 1 includes: a detection module 10, a processing module 11, and a storage module 12, where
  • the detecting module 10 is configured to detect an offset angle of the current shooting direction from the reference direction, and buffer the captured multimedia content.
  • the reference direction is a preset direction
  • the offset angle may be any angle between 0 degrees and 360 degrees.
  • the offset angle of the current photographing direction from the reference direction is detected by the gravity sensing sensor.
  • the processing module 11 is configured to calculate a rotation angle according to the offset angle, and perform rotation processing on the cached multimedia content based on the rotation angle and the reference direction.
  • the storage module 12 is configured to save the multimedia content obtained after the rotation processing.
  • rotation logo includes: rotation angle and base - - Quasi-direction.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • FIG. 6 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a sixth embodiment of the present invention, and the apparatus shown in FIG. 6 is optimized by the apparatus 1 shown in FIG. 5, and the apparatus shown in FIG.
  • the processing module 11 includes: a first computing unit 111, a first executing unit 112, a second computing unit 113, and a second executing unit 114.
  • the storage module 12 includes: a first storage unit 121 The second storage unit 122, wherein
  • the first calculating unit 111 obtains the rotation angle by subtracting the offset angle by 360 degrees.
  • the first executing unit 112 is configured to perform, by using a matrix transformation manner, the cached multimedia content to be rotated according to the rotation angle and the reference direction.
  • the rotation processing can be realized by computing a matrix representing the coordinate of the graphic, that is, by multiplying the transformation matrix by the graphic vertex coordinate matrix of the original multimedia content to obtain the transformed graphic vertex coordinate matrix, thereby realizing the multimedia content obtained by the buffering. Perform a rotation process.
  • the second calculating unit 113 obtains a rotation angle by subtracting the offset angle by 360 degrees;
  • the second executing unit 114 is configured to invoke the built-in image processing application for performing graphics rotation to rotate the cached multimedia content based on the rotation angle and the reference direction.
  • the rotation process can also be implemented by calling the built-in image processing for graphics rotation, for example, by calling the built-in Ulead Video Studio, Adobe.
  • the storage module 12 includes: a first storage unit 121 and a second storage unit 122, wherein the first storage unit 121 is configured to carry a rotation identifier in the multimedia content obtained by the rotation processing. Specifically, the rotation identifier is used to restore the multimedia content obtained after the rotation processing to the captured multimedia content, where the rotation identifier comprises: a rotation angle and a reference direction.
  • the second storage unit 122 is configured to save the multimedia content carrying the rotation identifier after the rotation processing.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • FIG. 7 is a schematic structural diagram of a multimedia content direction conversion apparatus according to a seventh embodiment of the present invention.
  • the apparatus shown in FIG. 7 is optimized by the apparatus 1 shown in FIG. 6, and the apparatus shown in FIG.
  • the transmission module 13 is further included, wherein
  • the sending module 13 is configured to send the rotated multimedia content that carries the rotation identifier to the peer device, so that the peer device performs display processing.
  • the mobile terminal sends the rotated multimedia content that carries the rotation identifier to the peer device, and the peer device can restore the rotated multimedia content to the multimedia content in the shooting direction according to the rotation identifier. It is also possible to directly display the multimedia inner valley obtained after the rotation processing.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • FIG. 8 is a schematic structural diagram of a multimedia content direction conversion apparatus according to an eighth embodiment of the present invention.
  • the device 2 can be used for an electronic device having a display device, such as a computer or a tablet computer, and the device 2 includes: a receiving module 21 and a control module 22 Display module 23, wherein
  • the receiving module 21 is configured to receive multimedia content.
  • the control module 22 is configured to detect whether the received multimedia content includes a rotation identifier.
  • the rotation identifier is used to restore the received multimedia content to a multimedia direction of a shooting direction.
  • rotation logo includes: rotation angle and reference direction.
  • the display module 23 is configured to: if the rotation identifier is included, the peer device performs display processing on the received multimedia content according to the rotation identifier to display the received multimedia content.
  • the display module 23 further includes:
  • the processing unit 231 is configured to perform rotation processing on the received multimedia content according to the rotation angle and the reference direction in the rotation identifier.
  • the display unit 232 is configured to display the received multimedia content.
  • the peer device detects that the received multimedia content includes a rotation identifier
  • the received multimedia content may be restored to a multimedia content in a shooting direction according to the rotation identifier, or the received multimedia content may be directly displayed.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • the terminal device 3 includes: an image capturing device 31, a processor 32, and a memory 33, wherein the processor 32 is configured to:
  • Controlling detecting an offset angle of a current shooting direction of the camera device 31 from a reference direction, and controlling the memory 33 to buffer the captured multimedia content, wherein the offset angle includes: any angle between 0 degrees and 360 degrees Calculating a rotation angle according to the offset angle, and rotating the cached multimedia content based on the rotation angle and the reference direction, and controlling the memory to save the multimedia content obtained after the rotation processing.
  • the terminal device 3 further includes a gravity sensing sensor for: detecting, by the gravity sensing sensor, an angle of the current shooting direction from the reference direction.
  • the cached multimedia content is rotated by matrix transformation based on the rotation angle and the reference direction. - the calculating the rotation angle according to the offset angle, and performing the rotation processing on the cached multimedia content based on the rotation angle and the reference direction, specifically including:
  • the built-in image processing application for performing graphics rotation is invoked to rotate the cached multimedia content.
  • the controlling the memory to save the multimedia content obtained after the rotation processing comprises: carrying the rotation identifier in the multimedia content obtained by the rotating processing, where the rotation identifier comprises: a rotation angle and a reference direction;
  • the multimedia content carrying the rotation logo after the rotation processing is saved.
  • the processor 32 is further configured to: send the rotated multimedia content carrying the rotation identifier to the peer device, so that the peer device performs display processing.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content.
  • the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • the terminal device 4 includes: a display device 41 and a processor 42.
  • the processor 42 is configured to:
  • the display device 41 is configured to: perform rotation processing on the received multimedia content according to a rotation angle and a reference direction in the rotation identifier;
  • the multimedia content obtained after the processing is displayed.
  • the multimedia content direction conversion method of the embodiment of the invention can automatically identify and adjust the direction of the captured multimedia content, and the captured multimedia content is always in the direction desired by the user according to the reference direction specified by the user, and the method is simple and convenient. It is convenient for the user to shoot and process the multimedia content. When the user exports the obtained multimedia content to the terminal for viewing, the operation program is not easy to cause misoperation, and the software and hardware resources of the terminal are saved.
  • aspects of the present invention, or possible implementations of various aspects can be embodied as a system, method, or computer program product.
  • aspects of the invention, or possible implementations of various aspects may take the form of a computer program product, which is a computer readable program code stored in a computer readable medium.
  • the computer readable medium can be a computer readable signal medium or a computer readable storage medium.
  • the computer readable storage medium includes, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any suitable combination of the foregoing, such as random access memory (RAM), read only memory (ROM), Erase programmable read-only memory (EPROM or flash memory), optical fiber, portable read-only memory (CD-ROM).
  • the processor in the computer reads the computer readable program code stored in the computer readable medium such that the processor is capable of performing the various functional steps specified in each step or combination of steps in the flowchart; A device that functions as specified in each block, or combination of blocks.
  • the computer readable program code can execute entirely on the user's computer, partly on the user's computer, as a separate software package, partly on the user's local computer and partly on the remote computer, or entirely on the remote computer or server. carried out. It should also be noted that in some alternative implementations, the functions noted in the various steps in the flowcharts or in the blocks in the block diagrams may not occur in the order noted. For example, two steps, or two blocks shown in succession may be executed substantially concurrently, or the blocks may sometimes be performed in the reverse order, depending on the functionality involved. The spirit and scope of the Ming. Thus, it is intended that the present invention cover the modifications and variations of the inventions

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • User Interface Of Digital Computer (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne un procédé et un appareil pour convertir une direction de contenu multimédia et un dispositif de terminal. Le procédé consiste : à détecter un angle de décalage d'une direction de photographie courante déviée à partir d'une direction de référence ; à sauvegarder le contenu multimédia obtenu par photographie, l'angle de décalage comprenant un angle quelconque de 0 degré à 360 degrés ; à effectuer un calcul pour obtenir un angle de rotation selon l'angle de décalage ; et à réaliser un traitement de rotation sur le contenu multimédia obtenu par photographie sur la base de l'angle de rotation et de la direction de référence, et sauvegarder le contenu multimédia obtenu après un traitement de rotation. Le procédé pour convertir une direction de contenu multimédia dans les modes de réalisation de la présente invention peut identifier et ajuster automatiquement la direction du contenu multimédia obtenu par photographie de façon à permettre à la direction du contenu multimédia traité d'être toujours un angle de visualisation avant. Le procédé est simple et commode, et permet à un utilisateur de photographier et de traiter un contenu multimédia, évitant de modifier la direction du contenu multimédia manuellement par l'intermédiaire d'un logiciel de traitement d'image lorsque l'utilisateur exporte le contenu multimédia obtenu vers un terminal pour une visualisation.
PCT/CN2013/086944 2013-11-12 2013-11-12 Procédé et appareil pour convertir une direction de contenu multimédia et dispositif de terminal WO2015070373A1 (fr)

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