CN110740378A - Method, system, device and storage medium for identifying notice in videos - Google Patents
Method, system, device and storage medium for identifying notice in videos Download PDFInfo
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- CN110740378A CN110740378A CN201910835263.7A CN201910835263A CN110740378A CN 110740378 A CN110740378 A CN 110740378A CN 201910835263 A CN201910835263 A CN 201910835263A CN 110740378 A CN110740378 A CN 110740378A
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- 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, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
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- 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
Abstract
The invention discloses a notice identification method, a system, a device and a storage medium in videos, wherein the method comprises the following steps of obtaining sequence frames of the videos, obtaining image information of images of the frames according to the sequence frames, identifying initial frames and ending frames of the notice videos according to the image information, and displaying notice start time and end time on a video playing progress bar according to playing time after obtaining playing time corresponding to the initial frames and the ending frames.
Description
Technical Field
The invention relates to a data processing technology, in particular to a method, a system, a device and a storage medium for identifying notice in videos.
Background
However, the videos are usually interspersed with announcement contents determined by , and the time, position and duration of the announcement contents in the programs are random, for example, after the videos are played for 15 minutes, announcement of 45 seconds is inserted, when the announcement picture of is entered, the skipped-frame play and the fast play cannot be adjusted, so that the viewers can only passively receive and watch announcement, if the viewers want to watch the videos, the skipped frames are adjusted, for example, when the videos are played for 15 minutes, the videos are directly skipped to 16 minutes of the videos, but the manual operation is difficult to accurately skip the time points of the videos, and the original wonderful programs are easily missed by the skipped-frame, so that the viewing experience of the programs of the viewers is seriously affected.
Disclosure of Invention
In order to solve the above technical problems, it is an object of the present invention to provide methods, systems, apparatuses, and storage media capable of automatically recognizing notice time in a video.
The technical scheme adopted by the invention is as follows:
A method for identifying advertisements in videos comprises the following steps:
acquiring a sequence frame of a video, and acquiring image information of each frame of image according to the sequence frame;
identifying an initial frame and a terminal frame of the video based on the image information;
and after the corresponding playing time of the initial frame and the ending frame is obtained, the starting time and the ending time of the announcement are displayed on the playing progress bar of the video according to the playing time.
, the image information includes resolution information, and the step of identifying an initial frame and a final frame of the video according to the image information specifically includes the following steps:
sequentially detecting resolution information of a front image and a rear image in the sequence of the sequence frames, and taking the rear frame image as an initial frame of notification video when the front image and the rear image are detected to have different resolutions;
the resolution information of each frame image is continuously detected, and when the resolution of the next front and back images is detected to be different, the front frame image is used as a terminating frame of the video.
Step , the image information further includes pixel information, and when the resolution of the front and back images is not detected to be different, the method further includes the following steps:
sequentially acquiring th pixel information of the image in the front time period and second pixel information of the image in the rear time period in the sequence of the frames, and calculating the difference value of the th pixel information and the second pixel information;
when th difference values are detected to be larger than a preset threshold value, judging that the rear time period detected at this time is video notification time, and acquiring a th frame in the rear time period as an initial frame;
when the second difference value is continuously detected to be larger than the preset threshold value, the previous time period detected this time is judged to be notice video time, and the last frame of the previous time period is obtained as a termination frame.
, after acquiring the corresponding broadcast time of the initial frame and the end frame, displaying notice start time and end time on the video play progress bar according to the broadcast time, wherein the step specifically includes the following steps:
acquiring th playing time corresponding to the initial frame in the video, and acquiring second playing time corresponding to the termination frame in the video;
marking and displaying th playing time and second playing time on the playing progress bar of the video by adopting a preset display format;
the th playback time corresponds to a announced start time and the second playback time corresponds to a announced end time.
Step , the method also includes the following steps:
and acquiring input frame skipping information, and performing automatic frame skipping playing by combining the frame skipping information, the initial frame and the termination frame.
The second technical scheme adopted by the invention is as follows:
A system for identifying advertisements in videos, comprising:
the frame acquisition module is used for acquiring sequence frames of the video and acquiring image information of each frame of image according to the sequence frames;
an announcement identification module for identifying an initial frame and an end frame of an announcement video based on the image information;
an informing display module, for displaying the start time and the end time of informing on the playing progress bar of the video according to the playing time after acquiring the corresponding playing time of the initial frame and the ending frame.
A step , in which the image information includes resolution information, and the notice identification module includes an initial frame identification unit and a final frame identification unit;
the initial frame identification unit is used for sequentially detecting the resolution information of the front image and the rear image in the sequence of the sequence frames, and taking the rear frame image as an initial frame of notification video when detecting that the resolution of the front image and the rear image is different;
the termination frame identification unit is used for continuously detecting the resolution information of each frame image, and informing the front frame image as the termination frame of the video when detecting that the resolutions of the next front and back images are different.
A step , in which the image information further includes pixel information, and the notice identification module further includes a pixel difference calculation unit, an initial retrieval unit, and a termination detection unit;
the pixel difference calculating unit is used for sequentially acquiring th pixel information of an image in a front time period and second pixel information of an image in a rear time period in the sequence of the sequence frames and calculating a difference value of the th pixel information and the second pixel information;
the initial retrieval unit is used for judging that the -th time period detected at this time is to inform the video time when detecting that the -th difference value is larger than a preset threshold value, and acquiring a -th frame in the -th time period as an initial frame;
the termination detection unit is used for judging that the previous time period detected this time is notice video time when continuously detecting that the second difference value is larger than the preset threshold value, and acquiring the last frame of the previous time period as a termination frame.
The third technical scheme adopted by the invention is as follows:
A video recognition device, comprising:
at least processors;
at least memories for storing at least programs;
when the at least programs are executed by the at least processors, the at least processors are caused to implement the method.
The fourth technical scheme adopted by the invention is as follows:
storage medium having stored therein processor-executable instructions for performing the method described above when executed by a processor.
The method has the advantages that the method obtains the image information of each image in the sequence frame, judges and distinguishes the program video and the notice video according to the image information, and identifies the start time and the end time of the notice video, so that the audiences can conveniently know the notice time in the video, further accurately skip the notice, the watching experience of notice is greatly improved, and the requirement of the audiences for watching the video at high efficiency is met.
Drawings
FIG. 1 is a flow chart of the steps of the method for identifying commercials from videos;
FIG. 2 is a block diagram of a notice identification system for videos.
Detailed Description
As shown in fig. 1, this embodiment provides a method for identifying advertisements in videos, which includes the following steps:
s1, acquiring a sequence frame of the video, and acquiring image information of each frame of image according to the sequence frame;
s2, identifying initial frame and ending frame of the video according to the image information;
and S3, after the corresponding broadcasting time of the initial frame and the ending frame is obtained, displaying notice start time and ending time on the video playing progress bar according to the broadcasting time.
In this embodiment, the sequence frames are sequence frames in which videos are sequentially played, the sequence frames contain multiple frames of images, each frame of image has image information such as resolution, pixel value and brightness value, the video of a program and the notification video are identified according to the image information, for example, the background of the notification video 0 such as is highlighted, since notifies that it is hoped to let the viewer remember the notification in a short time, notifies the video of a highlight and vivid color, and gives the viewer a visual impact of a short time, thus leaving a deep impression, while the program video or movie video cannot adopt vivid color for a long time due to a long time, the program video and the video can be distinguished by judging the image information, after identifying notification video, the start point and the end point of notification video are mainly obtained, and the start point and the end point are displayed on the play bar, so that the viewer knows , and skips the playing of frames according to the indication on the play bar, thereby greatly improving the viewing experience of the video.
Wherein the image information includes resolution information and pixel information, and the step S2 specifically includes steps S21 to S24:
s21, sequentially detecting the resolution information of the front image and the rear image in the sequence of the sequence frames, and taking the rear frame image as an initial frame of the informing video when detecting that the resolution of the front image and the rear image is different;
and S22, continuously detecting the resolution information of each frame image, and taking the front frame image as a termination frame of the video when detecting that the resolutions of the next front and back images are different.
Now, a user generally watches a program video through a mobile phone, and can select standard definition, high definition and super definition for playing based on selection of signals or flow, a viewer can select the resolution of the program video, but shows that the resolution of the video is fixed, and shows that the video is still a high resolution video even if the viewer selects the standard definition program video, so that the program video or 0 shows that the resolution of the image frame is easily distinguished, because the calculation amount for obtaining and comparing the resolutions of the two images before and after is smaller and faster, it can be quickly distinguished between the program video and shows that whether the resolutions of the two images before and after are the same in the sequence of the frame sequence frame, if they are the same, it is indicated that they are the same as videos (such as the program video or shows), when the resolutions of the two images before and after are detected to be different, it can be determined that the first frame is the program video, the second frame is the shows that the last frame is the program video, when the resolution of the first frame is detected to be different from the first frame, it is determined that the first frame is the last frame is a program frame, it is determined that the first frame is a program frame, it is a third frame, it is determined that the last frame is a third frame, it is a third frame, and a third frame, it is a third frame, and a third frame, it is.
When the difference in resolution between the front and rear images is not detected, after step S22, steps S23-S25 are further included
S23, sequentially acquiring th pixel information of the image in the front period and second pixel information of the image in the rear period in the sequence of the sequence frames, and calculating the difference value of th pixel information and the second pixel information;
s24, when the th difference value is detected to be larger than a preset threshold value, judging that the post time period detected at this time is notice video time, and acquiring a th frame in the post time period as an initial frame;
and S25, when the second difference value is continuously detected to be larger than the preset threshold value, judging that the previous time period detected this time is to inform the video time, and acquiring the last frames of the previous time period as termination frames.
In the embodiment, the distinction is carried out by combining pixel values of images, in the embodiment, the front time period and the back time period are 1 second specifically, and 25 image frames are included in 1 second, since the minimum unit in the playing progress bar is second, the time period is 1 second, the th pixel information of the image in the front 1 second is obtained in sequence according to the sequence of frames, the th pixel information includes the pixel value and the brightness value of the image, specifically, the pixel value can be the pixel average value of 25 images, the brightness value can be the brightness average value of 25 images, other values can be obtained, the second pixel information of the image in the back 1 second is obtained, the second pixel information includes the pixel value and the brightness value of the image, the difference value of th pixel information and the second pixel information is calculated, the absolute difference value is obtained, the second pixel information of the image in the back 1 second pixel information is obtained, the second pixel information includes the pixel value and the brightness value is obtained, the second pixel value is calculated, the difference value is further calculated, the difference value is obtained, the difference value is calculated, wherein the absolute difference value is equal to be equal to or greater than the threshold value of the initial video, and is found, the video content is found, the video is found to be greater than 967 is found, the threshold value of 857 is found, the threshold value is found, the threshold is found.
The step S3 specifically includes steps S31 to S32:
s31, acquiring the corresponding playing time of the initial frame in the video and acquiring the corresponding second playing time of the ending frame in the video;
s32, on the video playing progress bar, marking and displaying the playing time and the second playing time by adopting a preset display format, wherein the playing time corresponds to the reported starting time, and the second playing time corresponds to the reported ending time.
The minimum time scale on the playing progress bar is second, and the playing time scale includes 25 frames of images within 1 second, so when an initial frame and a final frame are obtained, the time corresponding to the playing progress bar is needed, after a playing time and a second playing time are obtained, the playing progress bar is marked by adopting a preset display format, for example, a dot is used for marking, which is not displayed in the scheme.
Step is a preferred embodiment, further comprising the steps of:
and acquiring input frame skipping information, and performing automatic frame skipping playing by combining the frame skipping information, the initial frame and the termination frame.
In this embodiment, the method can be implemented by plug-ins, when the audience sets a mode of automatically skipping announcement, the playing time of the video is detected in real time after the announcement position in the video is identified, and when the fact that the playing time is about to reach announcement video playing time is detected, the progress of the playing progress bar is automatically adjusted, so that the video automatically skips announcement time without being manually dragged by the audience, the operation difficulty is reduced, the requirements of the audience can be better met, and the satisfaction of the audience is improved.
As shown in fig. 2, this embodiment provides an video notice recognition system, which includes:
the frame acquisition module is used for acquiring sequence frames of the video and acquiring image information of each frame of image according to the sequence frames;
an announcement identification module for identifying an initial frame and an end frame of an announcement video based on the image information;
an informing display module, for displaying the start time and the end time of informing on the playing progress bar of the video according to the playing time after acquiring the corresponding playing time of the initial frame and the ending frame.
, the image information includes resolution information, the informs the identification module includes an initial frame identification unit and a termination frame identification unit;
the initial frame identification unit is used for sequentially detecting the resolution information of the front image and the rear image in the sequence of the sequence frames, and taking the rear frame image as an initial frame of notification video when detecting that the resolution of the front image and the rear image is different;
the termination frame identification unit is used for continuously detecting the resolution information of each frame image, and informing the front frame image as the termination frame of the video when detecting that the resolutions of the next front and back images are different.
, the image information further includes pixel information, the informs the identification module further includes a pixel difference calculating unit, an initial searching unit and a termination detecting unit;
the pixel difference calculating unit is used for sequentially acquiring th pixel information of an image in a front time period and second pixel information of an image in a rear time period in the sequence of the sequence frames and calculating a difference value of the th pixel information and the second pixel information;
the initial retrieval unit is used for judging that the -th time period detected at this time is to inform the video time when detecting that the -th difference value is larger than a preset threshold value, and acquiring a -th frame in the -th time period as an initial frame;
the termination detection unit is used for judging that the previous time period detected this time is notice video time when continuously detecting that the second difference value is larger than the preset threshold value, and acquiring the last frame of the previous time period as a termination frame.
The notice identification system in videos of this embodiment can execute the notice identification method in videos provided by the method embodiment of this embodiment of the present invention, can execute any combination of the implementation steps of the method embodiment, and has the corresponding functions and advantages of the method.
The embodiment also provides a device for identifying notice in videos, which comprises:
at least processors;
at least memories for storing at least programs;
when the at least programs are executed by the at least processors, the at least processors are caused to implement the method.
The notice identification device in videos of this embodiment can execute the notice identification method in videos provided by the method embodiment of this invention, can execute any combination of the method embodiments to implement the steps, and has the corresponding functions and advantages of the method.
The present embodiment also provides storage media having stored therein processor-executable instructions that, when executed by a processor, are configured to perform the method described above.
The storage media of this embodiment can execute the notice identification method in videos provided by the method embodiment of the present invention, can execute any combination of the implementation steps of the method embodiment, and have the corresponding functions and advantages of the method.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1, video notice identification method, characterized by comprising the following steps:
acquiring a sequence frame of a video, and acquiring image information of each frame of image according to the sequence frame;
identifying an initial frame and a terminal frame of the video based on the image information;
and after the corresponding playing time of the initial frame and the ending frame is obtained, the starting time and the ending time of the announcement are displayed on the playing progress bar of the video according to the playing time.
2. The video notice identification method of claim 1, wherein the image information includes resolution information, and the step of identifying notice video initial frame and end frame based on the image information includes the following steps:
sequentially detecting resolution information of a front image and a rear image in the sequence of the sequence frames, and taking the rear frame image as an initial frame of notification video when the front image and the rear image are detected to have different resolutions;
the resolution information of each frame image is continuously detected, and when the resolution of the next front and back images is detected to be different, the front frame image is used as a terminating frame of the video.
3. The video notice identification method of claim 2, wherein the image information further includes pixel information, and when the difference between the resolutions of the front and rear images is not detected, the method further comprises the steps of:
sequentially acquiring th pixel information of the image in the front time period and second pixel information of the image in the rear time period in the sequence of the frames, and calculating the difference value of the th pixel information and the second pixel information;
when th difference values are detected to be larger than a preset threshold value, judging that the rear time period detected at this time is video notification time, and acquiring a th frame in the rear time period as an initial frame;
when the second difference value is continuously detected to be larger than the preset threshold value, the previous time period detected this time is judged to be notice video time, and the last frame of the previous time period is obtained as a termination frame.
4. The recognition method of claim bullets in video, wherein the step of displaying the start time and the end time of a bulletin on a video playing progress bar according to the playing time after acquiring the corresponding playing time of the initial frame and the end frame specifically comprises the steps of:
acquiring th playing time corresponding to the initial frame in the video, and acquiring second playing time corresponding to the termination frame in the video;
marking and displaying th playing time and second playing time on the playing progress bar of the video by adopting a preset display format;
the th playback time corresponds to a announced start time and the second playback time corresponds to a announced end time.
5. The method of identifying events in videos as claimed in claim 1, further comprising the steps of:
and acquiring input frame skipping information, and performing automatic frame skipping playing by combining the frame skipping information, the initial frame and the termination frame.
notice identification system in videos of 6, , comprising:
the frame acquisition module is used for acquiring sequence frames of the video and acquiring image information of each frame of image according to the sequence frames;
an announcement identification module for identifying an initial frame and an end frame of an announcement video based on the image information;
an informing display module, for displaying the start time and the end time of informing on the playing progress bar of the video according to the playing time after acquiring the corresponding playing time of the initial frame and the ending frame.
7. The video recognition system of claim 6, wherein the image information includes resolution information, the recognition module includes an initial frame recognition unit and a final frame recognition unit;
the initial frame identification unit is used for sequentially detecting the resolution information of the front image and the rear image in the sequence of the sequence frames, and taking the rear frame image as an initial frame of notification video when detecting that the resolution of the front image and the rear image is different;
the termination frame identification unit is used for continuously detecting the resolution information of each frame image, and informing the front frame image as the termination frame of the video when detecting that the resolutions of the next front and back images are different.
8. The corner recognition system of in video, according to claim 7, wherein the image information further includes pixel information, the corner recognition module further includes a pixel difference calculation unit, an initial search unit and a termination detection unit;
the pixel difference calculating unit is used for sequentially acquiring th pixel information of an image in a front time period and second pixel information of an image in a rear time period in the sequence of the sequence frames and calculating a difference value of the th pixel information and the second pixel information;
the initial retrieval unit is used for judging that the -th time period detected at this time is to inform the video time when detecting that the -th difference value is larger than a preset threshold value, and acquiring a -th frame in the -th time period as an initial frame;
the termination detection unit is used for judging that the previous time period detected this time is notice video time when continuously detecting that the second difference value is larger than the preset threshold value, and acquiring the last frame of the previous time period as a termination frame.
notice identification device in 9, kinds of videos, characterized by comprising:
at least processors;
at least memories for storing at least programs;
when the at least programs are executed by the at least processors, the at least processors implement the method of recognition in videos recited in any one of claims 1-5, .
Storage medium having stored therein processor-executable instructions, wherein the processor-executable instructions, when executed by a processor, are adapted to perform the method of any of claims 1-5 to .
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112637573A (en) * | 2020-12-23 | 2021-04-09 | 深圳市尊正数字视频有限公司 | Multi-lens switching display method and system, intelligent terminal and storage medium |
| CN114979691A (en) * | 2022-05-23 | 2022-08-30 | 上海影谱科技有限公司 | Statistical analysis method and system for sports event rebroadcasting equity advertisement |
-
2019
- 2019-09-05 CN CN201910835263.7A patent/CN110740378A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112637573A (en) * | 2020-12-23 | 2021-04-09 | 深圳市尊正数字视频有限公司 | Multi-lens switching display method and system, intelligent terminal and storage medium |
| CN114979691A (en) * | 2022-05-23 | 2022-08-30 | 上海影谱科技有限公司 | Statistical analysis method and system for sports event rebroadcasting equity advertisement |
| CN114979691B (en) * | 2022-05-23 | 2023-07-28 | 上海影谱科技有限公司 | Statistical analysis method and system for advertisement of retransmission rights of sports event |
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Application publication date: 20200131 |