WO2021217623A1 - Procédé et dispositif de traitement de données multimédias, et support d'enregistrement - Google Patents

Procédé et dispositif de traitement de données multimédias, et support d'enregistrement Download PDF

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Publication number
WO2021217623A1
WO2021217623A1 PCT/CN2020/088431 CN2020088431W WO2021217623A1 WO 2021217623 A1 WO2021217623 A1 WO 2021217623A1 CN 2020088431 W CN2020088431 W CN 2020088431W WO 2021217623 A1 WO2021217623 A1 WO 2021217623A1
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WO
WIPO (PCT)
Prior art keywords
image data
data
offset
multimedia data
image
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Application number
PCT/CN2020/088431
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English (en)
Chinese (zh)
Inventor
龙余斌
罗飞
Original Assignee
深圳市大疆创新科技有限公司
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Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2020/088431 priority Critical patent/WO2021217623A1/fr
Publication of WO2021217623A1 publication Critical patent/WO2021217623A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock

Definitions

  • the embodiments of the present invention provide a multimedia data processing method, equipment, and storage medium, which can effectively reduce the storage space and transmission time of multimedia data, and improve the efficiency of multimedia data processing.
  • Fig. 7 is a schematic structural diagram of a multimedia data processing device provided by an embodiment of the present invention.
  • the multimedia data processing method, equipment and storage medium provided by the embodiments of the present invention can be applied to temperature measurement through infrared cameras, cameras, mobile phones and other shooting devices mounted on drones, unmanned vehicles, robots, and other equipment. Scenes such as inspections, photos and videos.
  • the embodiments of the present invention can also be applied to other scenarios than the above-mentioned job scenarios, and there is no specific limitation here.
  • the multimedia data processing system provided by the embodiment of the present invention will be schematically described below by taking a scene of a photographing device mounted on a drone as an example with reference to FIG. 1.
  • the drone 12 and the multimedia data processing device 11 are independent of each other, and the multimedia data processing device 11 may include one of a remote control device, a smart phone, a tablet computer, a laptop computer, and a wearable device, or Among them, the multimedia data processing device 11 may even be another terminal device independent of the remote control device of the drone 12, and the terminal device can be communicatively connected with the remote control device of the drone 12.
  • the multimedia data processing device 11 may be independent of the drone 12, for example, the multimedia data processing device 11 is set in a cloud server and establishes a communication connection with the drone 12 through a wireless communication connection. It should be understood that Figure 1 and the related description in this article only use drones as an application example of the multimedia data processing method, which should not be regarded as a specific limitation on the application of the multimedia data processing method.
  • the multimedia data processing device may encode the first multimedia data in the first multimedia data set to determine the offset of the first multimedia data.
  • the multimedia data processing device may acquire the image coordinates of the abnormal image data of the image to be processed, and determine the image data corresponding to the image coordinates of the abnormal image data Compose the first image data set.
  • the multimedia data processing device when the multimedia data processing device determines the position information of the first image data in the first image data set according to the image resolution, it may determine the position information according to the image resolution The image coordinates of the first image data, and the position information of the first image data in the first image data set is determined according to the image coordinates of the first image data.
  • the multimedia data further includes audio data; the multimedia data processing device is encoding the first multimedia data in the first multimedia data set to determine the first multimedia data When determining the offset of the data, the first audio data in the first audio data set to be processed may be acquired, and the first audio data may be encoded to determine the offset of the first audio data.
  • the multimedia data processing device when the multimedia data processing device encodes the first audio data to determine the offset of the first audio data, it can obtain the volume value of the first audio data, and according to the The volume value of the first audio data determines the offset of the first audio data.
  • the multimedia data processing device when the multimedia data processing device determines the offset of the first audio data according to the volume value of the first audio data, it may determine the first volume value of the first audio data in a preset order Is the offset of the first audio data, and the second volume value of the next audio data of the first audio data is determined according to the preset order, and the second volume value and the The difference of the first volume value is the offset value of the next volume data.
  • the multimedia data processing device may determine the second multimedia data set according to the offset of the first multimedia data, so as to compare the first multimedia data according to the second multimedia data set.
  • Media data is processed.
  • FIG. 4 and the related description in this article only take the correction grid table as an example of multimedia data processing, which should not be regarded as a specific limitation on multimedia data processing.
  • the offset between two dead pixels is 19'h4FFF0
  • the offset exceeds the predefined range 18'h00001 ⁇ 18'h3FFEF
  • two data are needed to represent 19'h4FFF0, according to Table 1.
  • the multimedia data processing device detects that the dead point data (for example, offset) of the current point does not match the predefined data representing the dead point, it can detect the dead point data (for example, offset) of the current point. Quantity) Whether it matches the offset of the next dead point in the first dead point table and the current dead point. If it matches, you can jump to the number of pixels corresponding to the offset of the current point according to the offset of the current point, And correct the current point.
  • the dead point data for example, offset
  • the multimedia data processing method of the present invention can effectively reduce the storage space and transmission time of the multimedia data, which helps to improve the processing efficiency of the multimedia data.
  • the memory 701 may include a volatile memory (volatile memory); the memory 701 may also include a non-volatile memory (non-volatile memory); the memory 701 may also include a combination of the foregoing types of memories.
  • the processor 702 may be a central processing unit (CPU).
  • the processor 702 may further include a hardware multimedia data processing device.
  • the foregoing hardware multimedia data processing device may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. For example, it may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), or any combination thereof.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • FPGA field-programmable gate array
  • processor 702 encodes the first image data in the first image data set according to the image resolution to determine the offset of the first image data, it is specifically configured to:
  • processor 702 determines the offset of the first image data according to the position mark of the first image data, it is specifically configured to:
  • the offset of the first audio data is determined according to the volume value of the first audio data.
  • the first multimedia data is processed according to the offset of the first multimedia data, the address jump data, and the end identifier of the second multimedia data set.
  • the address jump data is configured to handle an offset exceeding a predefined value.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Procédé et dispositif de traitement de données multimédias, et support d'enregistrement. Ledit procédé comprend les étapes consistant à : acquérir un premier ensemble de données multimédias à traiter; coder de premières données multimédias dans le premier ensemble de données multimédias, de façon à déterminer un décalage des premières données multimédias; et déterminer un second ensemble de données multimédias en fonction du décalage des premières données multimédias, de façon à traiter les premières données multimédias selon le second ensemble de données multimédias. Au moyen du mode de réalisation, l'espace de stockage et le temps de transmission des données multimédia peuvent être efficacement réduits, et l'efficacité de traitement des données multimédia est améliorée.
PCT/CN2020/088431 2020-04-30 2020-04-30 Procédé et dispositif de traitement de données multimédias, et support d'enregistrement WO2021217623A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/088431 WO2021217623A1 (fr) 2020-04-30 2020-04-30 Procédé et dispositif de traitement de données multimédias, et support d'enregistrement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/088431 WO2021217623A1 (fr) 2020-04-30 2020-04-30 Procédé et dispositif de traitement de données multimédias, et support d'enregistrement

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WO2021217623A1 true WO2021217623A1 (fr) 2021-11-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114722970A (zh) * 2022-05-12 2022-07-08 北京瑞莱智慧科技有限公司 一种多媒体检测方法、装置及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013056200A1 (fr) * 2011-10-14 2013-04-18 Brightsentry, Inc. Procédé et appareil de compression vidéo de scènes fixes
CN106233730A (zh) * 2014-04-15 2016-12-14 Arm有限公司 生成经编码帧的方法和装置
CN108028942A (zh) * 2015-06-04 2018-05-11 清华大学 编码方法、解码方法及其装置
WO2018196368A1 (fr) * 2017-04-28 2018-11-01 华南理工大学 Procédé de recompression de données multimédia

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013056200A1 (fr) * 2011-10-14 2013-04-18 Brightsentry, Inc. Procédé et appareil de compression vidéo de scènes fixes
CN106233730A (zh) * 2014-04-15 2016-12-14 Arm有限公司 生成经编码帧的方法和装置
CN108028942A (zh) * 2015-06-04 2018-05-11 清华大学 编码方法、解码方法及其装置
WO2018196368A1 (fr) * 2017-04-28 2018-11-01 华南理工大学 Procédé de recompression de données multimédia

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114722970A (zh) * 2022-05-12 2022-07-08 北京瑞莱智慧科技有限公司 一种多媒体检测方法、装置及存储介质
CN114722970B (zh) * 2022-05-12 2022-08-26 北京瑞莱智慧科技有限公司 一种多媒体检测方法、装置及存储介质

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