WO2019069326A1 - Procédé et appareil de remplacement de publicité par extraction de métadonnées - Google Patents

Procédé et appareil de remplacement de publicité par extraction de métadonnées Download PDF

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Publication number
WO2019069326A1
WO2019069326A1 PCT/IN2018/050633 IN2018050633W WO2019069326A1 WO 2019069326 A1 WO2019069326 A1 WO 2019069326A1 IN 2018050633 W IN2018050633 W IN 2018050633W WO 2019069326 A1 WO2019069326 A1 WO 2019069326A1
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WO
WIPO (PCT)
Prior art keywords
advertisement
metadata
replacement
status
ddm
Prior art date
Application number
PCT/IN2018/050633
Other languages
English (en)
Inventor
Suryawanshi NILESH
Nikhil Harishkumar ADROJA
Vikas Jagdishbhai TIWARI
Hiral SADARIYA
Dipika KHER
Vijay KANTHARIA
Original Assignee
Nilesh Suryawanshi
Adroja Nikhil Harishkumar
Tiwari Vikas Jagdishbhai
Sadariya Hiral
Kher Dipika
Kantharia Vijay
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 Nilesh Suryawanshi, Adroja Nikhil Harishkumar, Tiwari Vikas Jagdishbhai, Sadariya Hiral, Kher Dipika, Kantharia Vijay filed Critical Nilesh Suryawanshi
Publication of WO2019069326A1 publication Critical patent/WO2019069326A1/fr

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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
    • 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
    • H04N21/44016—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 splicing one content stream with another content stream, e.g. for substituting a video clip
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/812—Monomedia components thereof involving advertisement data

Definitions

  • the present invention relates to provide method and apparatus for replacement of advertisement by metadata extraction, comprising of metadata processing device for acquiring metadata associated with live data stream to determine advertisement status by applying various techniques such as Cinemascope technique, Scene change Detector technique, Text analysis using OCR technique and Text content ratio technique and transmitting the said advertisement status to digital decision Maker (DDM) to determine the final advertisement status and rendering on the live data stream the animated video replacement based on final advertisement status.
  • DDM digital decision Maker
  • the system includes a set-top box capable of receiving data transmissions and locally rendering video animation for display with, instead of and/or synchronized with television broadcast programs in a way that the television viewer sees a coherent seamless merging of the television program content and Supplemental content sources in an indistinguishable format.
  • the viewer may interact in real-time with the enhanced television programming to provide a higher level of engagement and customization potential.
  • US7266832B2 discloses an aggregator provided in connection with advertisement swapping.
  • the aggregator can be implemented in an interactive television system so as to perform real-time aggregation of trigger information for advertisement swapping through cooperation with content providers or third-party entities.
  • the aggregated information can then be made available to set top boxes and/or ancillary devices of subscribers.
  • Advertisement swapping may be performed via use of the trigger information to perform channel switching to a channel that broadcasts substitute advertisements or via use of the trigger information to retrieve substitute advertisements from a storage unit.
  • the advertisement swapping may be performed by devices of opted-in subscribers, or by devices at a broadcast center.
  • the advertisement swapping can also include replacement of original links in the advertisements with substitute links, so that the viewer can experience interactivity and/or receive substitute interactive content associated with the substitute links.
  • US 2004/0117822 Al discloses method and system for producing and delivering media content for establishing a personal television channel, modifying media content to produce a media program, and associating the produced media program with the established personal television channel.
  • Metadata Such as program metadata and/or primitive metadata associated with the media content may be acquired and edited. Accordingly, the acquired metadata associated with media content may be updated to reflect changes associated with modifying the media content. At least a portion of the produced media content may be displayed within the personal television channel.
  • the principal object of this invention is to provide method and apparatus for replacement of advertisement by metadata extraction comprising of metadata processing device for acquiring metadata associated with live data stream to determine advertisement status by applying various techniques such as Cinemascope technique, Scene change Detector technique, Text analysis using OCR technique and Text content ratio technique and transmitting the said advertisement status to digital decision Maker (DDM) to determine the final advertisement status and rendering on the live data stream the animated video replacement based on final advertisement status.
  • DDM digital decision Maker
  • Another object of this invention is to design metadata processing device by applying cinemascope technique to determine advertisement status as TRUE or FALSE for replacement of advertisement by metadata extraction.
  • said cinemascope technique first gray scale image is generated from acquired metadata within live data stream and detection of black band region by measuring input image signal level in a unit frame period is done.
  • Another object of this invention is to design metadata processing device by applying scene change detector technique to determine advertisement status as TRUE or FALSE for replacement of advertisement by metadata extraction.
  • scene change detector technique first normalization of acquired metadata within live data stream is done by compensating the intensity variations in at least some of the captured frame of image data. Then normalized metadata frame and acquired metadata frame are compared to analyze the changes by calculating SSFM (Structural Similarity Index Matrix) and MSE (Means Square Error). Further techniques such as Histogram Information, Similarity Matrix, Edge Ratio using canny edge detector are applied to calculate SSFM and MSE. Confirmation of scene change is done if SSFM is less than threshold value and MSE is greater than threshold value wherein threshold value is predetermined value otherwise scene change detection is denied.
  • SSFM Structuretural Similarity Index Matrix
  • MSE Middle Square Error
  • Another object of this invention is to design metadata processing device by applying Text analysis using OCR (Optical Character Recognition) technique to determine advertisement status as TRUE or FALSE for replacement of advertisement by metadata extraction.
  • Said OCR technique is used to evaluate text information by selecting and overlaying the particular quadrant in converted gray scale image frame wherein particular quadrant is generated depending on the frequency of specific words. Physical observations are done to find specific words which are repeated many times to identify starting point of advertisement. One or many particular quadrant are generated based on pure observation and then scanning of the same quadrants are done on one by one basis in extracted live stream frame. If matched quadrant is found in extracted live stream frame then presence of text is confirmed. According to presence of text status of advertisement is sent to DDM.
  • OCR Optical Character Recognition
  • Another obj ect of this invention is to design metadata processing device by applying Text content ratio technique to evaluate bulkiness of the text content in extracted live stream frame and to determine advertisement status as TRUE or FALSE for replacement of advertisement by metadata extraction.
  • First conversion into gray scale image frame is done and then canny edge detection is applied.
  • canny edge detection is applied to calculate edges of objects in extracted live data stream frame. If calculated value of bulkiness is greater than threshold value wherein threshold value is predetermined value then advertisement status is transmitted as TRUE otherwise as FALSE to DDM for further processing.
  • Another object of this invention is to determine the final advertisement status as TRUE or FALSE in DDM is based on particular time segment T, (T-t) and (T+t) wherein t is predetermined number of image frames of acquired metadata within live data stream. Further acquired advertisement status at T is compared with acquired advertisement status at (T-t), which shows previously stored advertisement status by DDM. Further acquired advertisement status at T is compared with acquired advertisement status at (T+t), which shows next predicted advertisement status by DDM.
  • t is predetermined number of image frames of acquired metadata within live data stream means value of extracted image frames are previously defined in such a way that viewer cannot see any difference between displayed data stream and live data stream.
  • Another object of this invention is to determine the final advertisement status in DDM as TRUE or FALSE in predetermined time wherein predetermined time is not more than 10 sec. Predetermined time can be vary from 4 sec to 10 sec.
  • Another object of this invention is to provide method and apparatus for replacement of advertisement by metadata extraction comprising of rendering on the live data stream the animated video replacement based on final advertisement status is executed only when final advertisement status is decided as TRUE by DDM.
  • Another object of this invention is to replace the live data stream content with the animated video replacement content only when final advertisement status is decided as TRUE by DDM.
  • Another object of this invention is to provide method and apparatus for replacement of advertisement by metadata extraction wherein live data stream can be selected and not limited to group consisting of any output from a digital antenna, a set-top box (STB) for cable, satellite, Internet Protocol Television (TPTV), a digital video recorder (DVR), an entertainment-oriented device (EOD), an Over The Top device (OTT).
  • STB set-top box
  • TPTV Internet Protocol Television
  • DVR digital video recorder
  • EOD entertainment-oriented device
  • OTT Over The Top device
  • Another object of this invention is to provide method and apparatus for replacement of advertisement by metadata extraction wherein live data stream can be displayed on the displaying device selected and not limited from a group consisting of Television, CRT TV, Plasma TV, Projection TV, Computer, Computer display, LCD Display, LED Display, OLED Display.
  • Another object of this invention is to replace the live data stream content with the animated video replacement content wherein the animated video replacement content can be any of the content selected and not limited to a group comprising of customized, personalized information, educational, entertainment content based on television viewer's criteria.
  • Educational content which is to be replaceable is designed by experts and according to NCERT books.
  • Another object of this invention is to provide method and apparatus for replacement of advertisement by metadata extraction in a cyclic manner and repeated at regular interval of time in seamless manner wherein seamless means viewer sees a coherent seamless merging of the live data stream with designed animated video data stream without any disturbance in viewing experience. Cyclic manner means it is a continuous extraction of metadata within live data stream by taking some of the image frame in such a way that viewer cannot see any difference between displayed data stream and live data stream.
  • Figure 100 A general system diagram depicting a general purpose computing device constituting an exemplary system of metadata processing device
  • Figure 200 A high level flow diagram depicting an exemplary system for Cinemascope technique
  • Figure 300 A high level flow diagram depicting an exemplary system for Scene change
  • Figure 400 A high level flow diagram depicting an exemplary system for OCR technique to perform Text analysis
  • Figure 500 A high level flow diagram depicting an exemplary system for Text content ratio technique
  • Figure 600 A high level flow diagram depicting a general purpose computing device constituting an exemplary system of Digital Decision Maker (DDM)
  • DDM Digital Decision Maker
  • Figure 700 A general system diagram depicting schematic of one embodiment constituting an exemplary of a method and apparatus for replacement of advertisement by metadata extraction
  • the principal object of this invention is to provide method and apparatus for replacement of advertisement by metadata extraction comprising of metadata processing device for acquiring metadata associated with live data stream to determine advertisement status by applying various techniques such as Cinemascope technique, Scene change Detector technique, Text analysis using OCR technique and Text content ratio technique and transmitting the said advertisement status to digital decision Maker (DDM) to determine the final advertisement status and rendering on the live data stream the animated video replacement based on final advertisement status.
  • DDM digital decision Maker
  • the essential function of this invention is advertisement detection by means of extracting metadata from live TV stream, 'metadata' hereafter defined as other data which provides information about a certain item's content.
  • metadata is associated with image or audio or video to identify certain factors such as size of picture, color depth, image resolution, time of image created, and other related data.
  • Metadata processing device has been designed based on various techniques of computer vision and image processing.
  • Metadata processing device 100 comprising of Cinemascope 200, Scene change Detector 300, Text analysis using OCR (Object Character Recognition) 400 and Text content ratio 500 extracts metadata from block TV Stream 101 and stores all the results in block Advertisement Status 106 as TRUE or FALSE.
  • Metadata processing device 100 is a general purpose computing device which is responsible for applying basic image processing techniques to detect various modes of display such as Cinemascope, Scene change, OCR (Optical Character recognition) and Text to content ratio.
  • 'Cinemascope' means an anamorphic lens series used for shooting widescreen movies and here active image region is surrounded by additional dark portions means black bands are present above and below the displayed image frame.
  • Scene change means a process to analyze two images of the same scene but taken at different time for identifying the changes that have occurred between the two images.
  • scene change means comparing the consecutive TV stream frames.
  • OCR Optical Character recognition
  • 'Text to content ratio means finding the bulkiness of the text content in the current frame and compare it with the specified threshold of text bulkiness.
  • Cinemascope is an anamorphic lens series used for shooting widescreen movies.
  • the anamorphic lenses theoretically allowed the process to create an image of up to a 2.66:1 aspect ratio. Normal standard channel does not follow this aspect ratio but the advertisements are following the aspect ratio. So one of the embodiment of the invention is to achieve separation of the advertisement from standard TV program on some specified channels based on above said fact.
  • FIG 200 an exemplary system for Cinemascope technique using high level flow diagram can be understood.
  • Generation of the substantially gray scale image frame is done in TV Stream 101.
  • Further detection of a black band region by measuring input image signal level in a unit frame period is done in consecutive Define Cinemascope Window 202 and Window Scanning 203.
  • One of the embodiment of present invention is to transmit advertisement status as TRUE as per branch 204' if black band is detected and to transmit advertisement status as FALSE as per branch 204" if black band is not detected in Is Cinemascope 204.
  • 'a unit frame' may mean one or a few image frames or one or a few image fields.
  • 'TV Stream' means metadata extracted from group comprising and not limited to any output from a digital antenna, a set-top box (STB) for cable, satellite, Internet Protocol Television (IPTV), a digital video recorder (DVR), an entertainment- oriented device (EOD), an Over The Top device (OTT).
  • IPTV Internet Protocol Television
  • DVR digital video recorder
  • EOD entertainment- oriented device
  • OTT Over The Top device
  • 'Define cinemascope window' means defining the black band region based on signal level of each pixel in comparison with the luminance signal.
  • 'Window scanning' means checking signal level of all the pixels.
  • 'Is cinemascope' means detecting presence of black bands in extracted metadata. According to present invention Consecutive Define cinemascope window 202 and window scanning 203 perform combine role of comparing each incoming frame window pixel by pixel.
  • FIG. 300 an exemplary system for scene change detector technique using high level flow diagram can be understood.
  • Normalize the frames 301 is used to normalize the acquired metadata from TV Stream 101 within live data stream. 'Normalize the frames' means compensating the intensity variations in at least some of the captured frame of image data as per Equation 1.
  • normalized metadata frame and acquired metadata frame are compared to analyze the changes by calculating SSFM (Structural Similarity Index Matrix) and MSE (Means Square Error) in 302.
  • SSFM and MSE can be calculated as per Equation 2 and Equation 3.
  • Advertisement Status: True 311 decided as TRUE 303' if SSFM ⁇ THRESHOLD and MSE > THRESHOLD 303 otherwise FALSE 303".
  • 'THRESHOLD' according to present invention is predetermined value based on observations.
  • Scene change detector is used to compare all the consecutive TV stream frames by normalizing the frames and detecting the changes by comparing both the frame.
  • 'Generate Histogram' means calculating the histogram difference between Scene Change Detected 304 and TV Stream 101.
  • 'Canny Edge Detector' means computing the edges of the frames.
  • 'M' means Mixer circuit used to combine, route, and change the dynamics, equalization and other properties of multiple inputs.
  • M may be used to take Scene Change Detected image frames as one of the input and consecutive TV stream frames as another input to enable comparison between them.
  • one of the embodiment of the invention is to mark presence of text in TV Stream 101, Load OCR Model 401 is used.
  • Is Model Loaded 402 has two branches TRUE 402' and FALSE 402". If condition TRUE 402' is satisfied TV StreamlOl is converted into substantial gray image frame using Gray Scale Conversion 201.
  • Quadrant Selection 403 and Quadrant Scanning 404 are applied to generated gray scale image from Gray Scale Conversion 201.
  • 'Quadrant Selection' means selecting the particular quadrant which is constructed on the basis of words like "Age Devicye", "Upcoming”, “Next” which are repeated many times in TV STREAM 101 whenever there is high probability of advertisement.
  • 'Quadrant Scanning' means overlaying the constructed quadrant in generated gray scale image. Result of Is Text Found 405 comprising of two branches YES 405' and NO 405" is stored in Advertisement Status: True 406. 'Is Text Found' means comparing the selected quadrant of pixels with all the pixels in incoming window frame.
  • Advertisement are meant to promote the product. Therefore, it contains more textual content to give information about the product. If comparison between TV program and TV advertisement is done then it is found that advertisement are bulky in term of text by pure observations.
  • one of the embodiment of the invention is to find the bulkiness of text in incoming TV frame by applying Text Content Ratio 500.
  • First Gray Scale Conversion 201 is used to generate substantial gray image from TV Stream 101.
  • Canny Edge Detector 308 is used to compute edge of the object and Compute Bulkiness 501 is used to compute bulkiness.
  • Result of Is Bulkiness > Threshold 502 comprising of branches YES 502' and NO 502" is stored in Advertisement Status: True 503.
  • 'Is Bulkiness > Threshold' means computed edges of the object falls in text edge range which is predetermined range decided by observations.
  • one of the embodiment of the invention is to determine the final advertisement status in DDM 600 by means of comparing Advertisement Detection Counter value with stored predetermined value.
  • 'Advertisement Detection Counter' means a digital sequential logic device that will go through certain predefined states for counting up according to present embodiment of invention.
  • stored predetermined value is two as total four techniques are applied to detect advertisement status. This Stored predetermined value may be increased based on the number of applied techniques. For example if number of applied techniques are increased to five in place of four then stored predetermined value will be three instead of two.
  • Set Advertisement Detection Counter to 0 601 is initial state of DDM 600. Start 101 and TV Stream 101 are used interchangeably in present embodiment of invention.
  • Branch FALSE 406 is used to omit the step Increment Advertisement Detection Counter by 1 and Set Text Analysis using OCR to False 602 and is directly fed to M.
  • 'M' means Mixer circuit used to combine, route, and change the dynamics, equalization and other properties of multiple inputs.
  • M may be used to combine output from branches FALSE 406", FALSE 205", FALSE 311", FALSE 503" and FALSE 606" as multiple inputs.
  • Branch FALSE 205" is used to omit the step Increment Advertisement Detection Counter by 1 and Set Cinemascope to False 603 and is directly fed to M.
  • Branch FALSE 311 is used to omit the step Increment Advertisement Detection Counter by 1 and Set Scene Change Detector to False 604 and is directly fed to M.
  • Advertisement Status: True 503 is taken to Increment Advertisement Detection Counter by 1 and Set Text Content Ratio to False 605 via branch TRUE 503'.
  • Branch FALSE 503 is used to omit the step Increment Advertisement Detection Counter by 1 and Set Text Content Ratio to False 605 and is directly fed to M.
  • the process of replacing advertisement by means of obtaining final advertisement status using DDM 600 is continuous process. 'Continuous process' means it is repeated at regular interval of time.
  • One of the embodiment of present invention is to determine the final advertisement status is based on particular time segment T, (T-t) and (T+t).
  • 't' represents predetermined number of image frames of acquired metadata within live TV stream 101.
  • '(T-t)' represents previously stored advertisement status by DDM 600 and '(T+t)' represents next predicted advertisement status by DDM 600.
  • Value of 't' is selected in such a way that viewer cannot see any difference between displayed data stream and live data stream. For example in broadcast, setting a specific frame rate such as 24 or 29.97 fps can be done.
  • One of the embodiment of present invention is to determine the final advertisement status 601 in DDM 600 is done within predetermined time wherein predetermined time is not more than 10 sec. Predetermined time can be vary from 4 sec to 10 sec.
  • 'TRUE' means detecting incoming TV frame as advertisement instead of TV program according to highest probability.
  • 'FALSE' means detecting incoming TV frame as TV program rather than advertisement according to lowest probability.
  • 'Highest Probability' can be defined as accuracy of applied technique falls into range of 90 to 100%.
  • 'Lowest Probability' means there is no probability of detecting advertisement within incoming TV stream and accuracy of applied technique does not fall into range of 90 to 100 %.
  • One of the embodiment of present invention is to replace the live data stream content with the animated video replacement content wherein the animated video replacement content can be any of the content selected and not limited to a group comprising of customized, personalized information, educational, entertainment content based on television viewer's criteria.
  • Educational content which is to be replaceable is designed by experts and according to NCERT books.
  • Figure 700 refers to a general system diagram depicting schematic of one embodiment constituting an exemplary of a method and apparatus for replacement of advertisement by metadata extraction.
  • Input stream 701 may be any output from a digital antenna, a set- top box (STB) for cable, satellite, Internet Protocol Television (TPTV), a digital video recorder (DVR), an entertainment-oriented device (EOD), an Over The Top device (OTT).
  • Display Device 702 may be selected and not limited from a group consisting of Television, CRT TV, Plasma TV, Projection TV, Computer, Computer display, LCD Display, LED Display, OLED Display.
  • Link 701' and link 702' may be RCA or HDMI cable according to conventional system.
  • Such a system may include a set- top box to get input TV stream having an Intel Pentium ⁇ processor with 256 MB RAM memory, a graphics card chip, a DVD optical drive, a television (or a SVGA computer monitor) and a keyboard in communication with the set-top box.
  • the incoming television broadcast program may be digitized and stored as a MPEG4 format file on a 40GB hard drive memory storage.
  • the Supplemental video content may be an executable instruction set written in Visual C++ and using Microsoft DirectX8 SKD.
  • the system is capable to transmit to the monitor for display the television broadcast program, the rendered Supplemental video image content, or a combination of the Supplemental video on top of and/or synchronized with the television broadcast program.
  • a method and apparatus for replacement of advertisement by metadata extraction can comprise a single processor, processor core, or machine or can comprise multiple interacting processors, processor cores, or machines (located at a single location or at multiple locations remote from one another).
  • a computer memory or computer-readable medium can be encoded with a computer program, so that execution of that program by one or more computers causes the one or more computers to perform one or more of the methods disclosed herein.
  • Suitable media can include temporary or permanent storage or replaceable media, such as network-based or Internet-based or otherwise distributed storage of software modules that operate together, RAM, ROM, CD ROM, CD-R, CD- RAN, DVD ROM, DVD ⁇ R, DVD ⁇ R/W, hard drives, thumb drives, flash memory, optical media, magnetic media, semiconductor media, or any future storage alternatives.
  • Such encoded media can be preinstalled already encoded in present invention during its manufacture, can be encoded after installation of the same with smart TV, or can be encoded with "client” or "application” software.
  • client software can be downloaded to the smart TV as part of occasional or periodic software updates received by the smart TV, typically via its network connection.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

La présente invention concerne un procédé et un appareil de remplacement de publicité par extraction de métadonnées comprenant un dispositif de traitement de métadonnées pour acquérir des métadonnées associées à un flux de données en direct afin de déterminer un état de publicité par application de diverses techniques telles que la technique du cinémascope, la technique du détecteur de changement de scène, une analyse de texte à l'aide d'une technique d'OCR et d'une technique de rapport de contenu de texte et la transmission dudit état de publicité à un dispositif de prise de décision numérique (DDM) pour déterminer l'état de publicité final, ainsi que le rendu, sur le flux de données en direct, du remplacement de vidéo animée sur la base de l'état de publicité final.
PCT/IN2018/050633 2017-10-06 2018-10-05 Procédé et appareil de remplacement de publicité par extraction de métadonnées WO2019069326A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130110637A1 (en) * 2011-11-02 2013-05-02 Ross Bott Strategically timed delivery of advertisements or electronic coupons to a mobile device in a mobile network
US20150269629A1 (en) * 2014-03-24 2015-09-24 Qualcomm Incorporated Targeted advertisement insertion for streaming media data

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130110637A1 (en) * 2011-11-02 2013-05-02 Ross Bott Strategically timed delivery of advertisements or electronic coupons to a mobile device in a mobile network
US20150269629A1 (en) * 2014-03-24 2015-09-24 Qualcomm Incorporated Targeted advertisement insertion for streaming media data

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