BR112022012742A2 - Método e dispositivo de processamento de efeito especial de vídeo, dispositivo eletrônico e meio de armazenamento não transitório legível por computador - Google Patents

Método e dispositivo de processamento de efeito especial de vídeo, dispositivo eletrônico e meio de armazenamento não transitório legível por computador

Info

Publication number
BR112022012742A2
BR112022012742A2 BR112022012742A BR112022012742A BR112022012742A2 BR 112022012742 A2 BR112022012742 A2 BR 112022012742A2 BR 112022012742 A BR112022012742 A BR 112022012742A BR 112022012742 A BR112022012742 A BR 112022012742A BR 112022012742 A2 BR112022012742 A2 BR 112022012742A2
Authority
BR
Brazil
Prior art keywords
video
special effects
frame image
video frame
music
Prior art date
Application number
BR112022012742A
Other languages
English (en)
Inventor
Li Xiaoqi
Zhou Jingjin
Original Assignee
Beijing Bytedance Network Tech Co Ltd
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 Beijing Bytedance Network Tech Co Ltd filed Critical Beijing Bytedance Network Tech Co Ltd
Publication of BR112022012742A2 publication Critical patent/BR112022012742A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2621—Cameras specially adapted for the electronic generation of special effects during image pickup, e.g. digital cameras, camcorders, video cameras having integrated special effects capability
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
    • G10H1/366—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems with means for modifying or correcting the external signal, e.g. pitch correction, reverberation, changing a singer's voice
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
    • 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
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/265—Mixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/076—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for extraction of timing, tempo; Beat detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Circuits (AREA)
  • Studio Devices (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Processing Or Creating Images (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

MÉTODO E DISPOSITIVO DE PROCESSAMENTO DE EFEITO ESPECIAL DE VÍDEO, DISPOSITIVO ELETRÔNICO E MEIO DE ARMAZENAMENTO NÃO TRANSITÓRIO LEGÍVEL POR COMPUTADOR. São divulgados um método e aparelho de processamento de efeitos especiais de vídeo. O método compreende: durante a reprodução de um vídeo, realizar detecção na música reproduzida com o vídeo; quando se detecta que a música é reproduzida para um ritmo pré-definido, adquirindo, a partir do vídeo, uma imagem de quadro de vídeo a ser reproduzida; desempenhar processamento de efeitos especiais em um objeto alvo na imagem de quadro de vídeo de modo a obter uma imagem de quadro de vídeo que foi submetida ao processamento de efeitos especiais; e exibir e reproduzir a imagem de quadro de vídeo que foi submetida ao processamento de efeitos especiais. De acordo com as modalidades da presente divulgação, durante a reprodução de um vídeo, a detecção é realizada na música reproduzida com o vídeo e, quando é detectado que a música é reproduzida para um ritmo pré-definido, uma imagem de quadro de vídeo para ser reproduzida é adquirida a partir do vídeo, o processamento de efeitos especiais é desempenhado em um objeto alvo na imagem de quadro de vídeo para obter uma imagem de quadro de vídeo que foi submetida ao processamento de efeitos especiais, e a imagem de quadro de vídeo que foi submetida ao processamento de efeitos especiais é exibida e reproduzida, de modo que a música é combinada com os efeitos especiais para enriquecer adicionalmente as funções de efeitos especiais de vídeo.
BR112022012742A 2019-12-26 2020-12-22 Método e dispositivo de processamento de efeito especial de vídeo, dispositivo eletrônico e meio de armazenamento não transitório legível por computador BR112022012742A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911364890.3A CN113055738B (zh) 2019-12-26 2019-12-26 视频特效处理方法及装置
PCT/CN2020/138415 WO2021129628A1 (zh) 2019-12-26 2020-12-22 视频特效处理方法及装置

Publications (1)

Publication Number Publication Date
BR112022012742A2 true BR112022012742A2 (pt) 2022-09-06

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BR112022012742A BR112022012742A2 (pt) 2019-12-26 2020-12-22 Método e dispositivo de processamento de efeito especial de vídeo, dispositivo eletrônico e meio de armazenamento não transitório legível por computador

Country Status (7)

Country Link
US (2) US11882244B2 (pt)
EP (1) EP4068757A4 (pt)
JP (1) JP7427792B2 (pt)
KR (1) KR102700232B1 (pt)
CN (1) CN113055738B (pt)
BR (1) BR112022012742A2 (pt)
WO (1) WO2021129628A1 (pt)

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CN113923378B (zh) * 2021-09-29 2024-03-19 北京字跳网络技术有限公司 视频处理方法、装置、设备及存储介质
CN113905177B (zh) * 2021-09-29 2024-02-02 北京字跳网络技术有限公司 视频生成方法、装置、设备及存储介质
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KR20240169451A (ko) * 2023-05-24 2024-12-03 삼성전자주식회사 전자 장치 및 그 영상 출력 방법

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Publication number Publication date
JP7427792B2 (ja) 2024-02-05
CN113055738B (zh) 2022-07-29
KR102700232B1 (ko) 2024-08-30
JP2023508462A (ja) 2023-03-02
KR20220106848A (ko) 2022-07-29
US20240106968A1 (en) 2024-03-28
US11882244B2 (en) 2024-01-23
CN113055738A (zh) 2021-06-29
EP4068757A4 (en) 2023-01-25
US20220321802A1 (en) 2022-10-06
WO2021129628A1 (zh) 2021-07-01
US12155957B2 (en) 2024-11-26
EP4068757A1 (en) 2022-10-05

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