CN112312206A - System and method for identifying display mode of wide-screen film - Google Patents
System and method for identifying display mode of wide-screen film Download PDFInfo
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- CN112312206A CN112312206A CN202011182429.9A CN202011182429A CN112312206A CN 112312206 A CN112312206 A CN 112312206A CN 202011182429 A CN202011182429 A CN 202011182429A CN 112312206 A CN112312206 A CN 112312206A
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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
- H04N21/43—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
Abstract
The invention discloses a system and a method for identifying a wide-screen movie display mode, which comprises a display screen, an extraction module, an image acquisition module, an information transceiving module, a pixel value acquisition module, an audio comparison module, a video comparison module, a main control module, a storage module and an audio acquisition module, wherein the extraction module is connected with the display screen, the information transceiving module is interactively connected with the main control module, the main control module is interactively connected with the storage module, the main control module is interactively connected with the display screen, the storage module is connected with the comparison module, when the system is used, the audio and video information in a video are simultaneously extracted through the extraction module, meanwhile, the storage module stores numerical values of multiple comparisons, and the video screen is converted through the image acquisition module and the pixel value acquisition module, compared numerical values are more during comparison and identification, the comparison speed is higher, the situation of identification errors is avoided, and identification is more accurate.
Description
Technical Field
The invention relates to the technical field of image recognition, in particular to a system and a method for recognizing a display mode of a wide-screen movie.
Background
The liquid crystal display screen is an active light-emitting device, the image display depends on a backlight module of the liquid crystal display screen to provide a continuous backlight source, the liquid crystal display screen is transmitted through the switch of liquid crystal molecules to finally realize the image display, and the liquid crystal display screen is assembled and fixed to cause the frame to extrude the liquid crystal panel, so that the arrangement structure of the liquid crystal molecules at four corners is changed; or local unevenness of the display screen due to the manufacturing of the optical film; or due to the fact that the display screen is locally fixed infirm or the surface flatness is reduced due to thermal expansion, the light leakage phenomenon of the liquid crystal is easily sensed when the content of the image is a black image or a low-brightness scene under the viewing condition that the ambient light is weak, and therefore the image quality is damaged. Especially when playing certain proportional formats, such as wide screen movies, it has black areas in itself; or because the aspect ratio of the liquid crystal display screen is different from the aspect ratio of the played film, a black area exists in the display screen, for example, the aspect ratio of the display screen of the liquid crystal television is 16: 9, and the aspect ratio of wide screen movies is approximately 21: 9.
the conventional film display mode identification system mostly performs comparison and identification through gray-scale values in the film display mode when identifying the film display mode, but most of the comparison with the gray-scale values during comparison is performed through a first threshold value, so that the comparison numerical value is less, and errors are easy to generate.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a system and a method for identifying a display mode of a wide-screen movie.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a wide-screen movie display mode identification system comprises a display screen, an extraction module, an image acquisition module, an information transceiving module, a pixel value acquisition module, an audio comparison module, a video comparison module, a main control module, a storage module and an audio acquisition module, wherein the extraction module is connected with the display screen, the image acquisition module and the comparison module are both connected with the extraction module, the information transceiving module is interactively connected with the main control module, the main control module is interactively connected with the storage module, the main control module is interactively connected with the display screen, and the storage module is connected with the comparison module;
the display screen is used for marking a screen display mode;
the extraction module is used for displaying audio and video data on a movie screen;
the image acquisition module is used for acquiring video screen image data;
the information transceiver module is used for the information transmission between the main control module and the audio frequency comparison module and between the main control module and the video frequency comparison module;
the pixel value acquisition module is used for converting the image information of the image acquisition module;
the audio comparison module is used for comparing the storage module with the extracted audio data;
the video comparison module is used for comparing the pixel values of the storage module and the pixel value acquisition module;
the main control module is used for controlling the comparison of information such as audio and video screens and the connection among the modules;
the storage module is used for recording comparison audio and video comparison values;
and the audio acquisition module is used for acquiring the audio information in the extraction module.
Preferably, the image obtaining module is connected to the pixel value obtaining module.
Preferably, the audio acquisition module is connected with the audio comparison module and the video comparison module.
Preferably, the audio comparison module, the video comparison module and the pixel value acquisition module are all connected with the information transceiver module.
Preferably, the pixel value obtaining module is connected to the video comparison module, and the storage module is connected to the extraction module.
The invention also provides a method for identifying the display mode of the wide-screen movie, which comprises the following steps:
s1, collecting voice and video images: starting a screen, and acquiring image information and audio information in the display screen through an extraction module;
s2, video image analysis: the extraction module transmits video image information to the image acquisition module, and the image acquisition module transmits the image information to the pixel value acquisition module to analyze the image information into pixel values;
s3, audio and video comparison: the extraction module transmits the acquired audio data information to the audio acquisition module, the audio acquisition module transmits the audio information to the audio comparison module, the storage module transmits the comparison audio and video data to the extraction module, and the audio acquisition module and the image acquisition module transmit the comparison audio data and the video image data to the audio comparison module and the video comparison module for comparison;
s4, information transmission: the audio data and the video data after the comparison are transmitted to the main control module through the information transceiving module, and the main control module transmits the data to the display screen for displaying;
s5, storing comparison information: after the contrast information is displayed, the main controller transmits the film mode identification information to the storage module for storage.
Preferably, in S1, if the audio and video extraction fails, the main control module will extract the audio and video again until the audio and video data is successfully extracted.
Preferably, in S4, the signal transceiver module uses bluetooth transmission or local area network for information transmission.
(III) advantageous effects
Compared with the prior art, the invention provides a system and a method for identifying the display mode of a wide-screen movie, which have the following beneficial effects:
in the use of the invention, the audio and video information in the video is simultaneously extracted by the extraction module, the numerical values of multiple contrasts are stored by the storage module, and the video is converted by the image acquisition module and the pixel value acquisition module, so that the contrast numerical values are more during contrast identification, the contrast is more accurate, the identification speed is higher, the condition of identification errors is avoided, the identification is more accurate, and the use is convenient.
Drawings
FIG. 1 is a block flow diagram of a system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention provides a technical solution: a wide-screen movie display mode identification system comprises a display screen, an extraction module, an image acquisition module, an information transceiving module, a pixel value acquisition module, an audio comparison module, a video comparison module, a main control module, a storage module and an audio acquisition module, wherein the extraction module is connected with the display screen;
the display screen is used for marking a screen display mode;
the extraction module is used for displaying audio and video data on a movie screen;
the image acquisition module is used for acquiring video screen image data;
the information transceiver module is used for the information transmission between the main control module and the audio comparison module and between the main control module and the video comparison module;
the pixel value acquisition module is used for converting the image information of the image acquisition module;
the audio comparison module is used for comparing the storage module with the extracted audio data;
the video comparison module is used for comparing the pixel values of the storage module and the pixel value acquisition module;
the main control module is used for controlling the comparison of information such as audio and video screens and the connection among the modules;
the storage module is used for recording comparison audio and video comparison values;
the audio acquisition module is used for acquiring the audio information in the extraction module;
when the invention is used, the extraction module can extract video and audio information in the display screen, after the extraction module extracts the video and audio information, the video information can be transmitted to the image acquisition module, the audio information can be transmitted to the audio acquisition module, the storage module can transmit the film display mode information stored in the local database to the extraction module and also to the image acquisition module and the audio acquisition module, the image acquisition module can convert the video information into image information after acquiring the video, the image acquisition module can transmit the image information to the pixel value acquisition module after converting the video information into the image information, the pixel value acquisition module can convert the image information into pixel value information, the pixel value acquisition module can convert the image information into the pixel value information and then transmit the pixel value information to the video comparison module, thereby accomplish the discernment to the screen information, audio acquisition module can transmit audio information to audio frequency contrast module simultaneously, and audio frequency contrast module and video contrast module can carry out contrast discernment one by one to pixel value information and audio information to obtain the difference, after reacing the difference, audio frequency contrast module and image contrast module can be with difference information transmission to host system through signal transceiver module, thereby accomplish the discernment to the film display mode.
In this embodiment, specifically: when the digital image is converted into a halftone image, the dot area ratio dot percentage has a direct relation with the pixel value and the gray value of the digital image, namely the dots represent the average brightness information of a certain small block of the original.
In this embodiment, specifically: the audio acquisition module is connected with the audio comparison module and the video comparison module; when the audio comparison module is used, the audio information in the display screen is transmitted to the audio comparison module by the extraction module, and the audio comparison module compares and identifies the audio.
In this embodiment, specifically: the audio frequency contrast module, the video frequency contrast module and the pixel value acquisition module are all connected with the information receiving and transmitting module, and the audio frequency contrast module and the video frequency contrast module can transmit the difference value after the contrast is finished to the main control module through the information receiving and transmitting module after the contrast is finished, so that the difference value is processed through the main control module.
In this embodiment, specifically: the pixel value acquisition module is connected with the video comparison module, and the storage module is connected with the extraction module; the pixel value acquisition module can transmit the pixel information to the video comparison module after decomposing the video image information into pixel values, so that the pixel values are compared in a difference mode, meanwhile, the storage module can transmit various numerical values of the film display modes stored in the database to the extraction module, the extraction module can transmit various numerical values of the film display modes to the audio comparison module and the video comparison module through the audio acquisition module and the image acquisition module to be compared one by one, and therefore the difference value of the video and the audio is obtained.
The invention also provides a method for identifying the display mode of the wide-screen movie, which comprises the following steps:
s1, collecting voice and video images: the method comprises the steps that a screen is started, image information and audio information in the display screen are obtained through an extraction module, and the extraction module can extract the audio information and the video information in the current screen after the screen is started;
s2, video image analysis: the extraction module transmits video image information to the image acquisition module, and the image acquisition module transmits the image information to the pixel value acquisition module to analyze the image information into pixel values;
s3, audio and video comparison: the extraction module transmits the acquired audio data information to the audio acquisition module, the audio acquisition module transmits the audio information to the audio comparison module, the storage module transmits the comparison audio and video data to the extraction module, and the audio acquisition module and the image acquisition module transmit the comparison audio data and the video image data to the audio comparison module and the video comparison module for comparison;
s4, information transmission: the audio data and the video data after the comparison are transmitted to the main control module through the information transceiving module, and the main control module transmits the data to the display screen for displaying;
s5, storing comparison information: after the contrast information is displayed, the main controller transmits the film mode identification information to the storage module for storage; the storage module stores the data by adopting a local database.
In this embodiment, specifically: in S1, if the audio and video extraction fails, the main control module will extract the audio and video again until the audio and video data is successfully extracted; when the audio and video extraction device is used, the data values of the audio and video are extracted to the image acquisition module and the audio acquisition module through the extraction module, and when any extraction is not completed during the extraction of the audio and video, the extraction module continues to perform extraction tasks until the extraction is completed.
In this embodiment, specifically: in S4, the signal transceiver module uses bluetooth transmission or lan for information transmission.
In summary, the operating principle and the operating process of the identification system and the identification method for the wide-screen movie display mode are that, when the identification system is used, firstly, in the use of the identification system, the extraction module extracts the video and audio information in the display screen, after the extraction module extracts the video and audio information, the video information is transmitted to the image acquisition module, the audio information is transmitted to the audio acquisition module, meanwhile, the storage module transmits the movie display mode information stored in the local database to the extraction module and transmits the movie display mode information to the image acquisition module and the audio acquisition module, meanwhile, the image acquisition module converts the video information into the image information after acquiring the video, the image acquisition module transmits the image information to the pixel value acquisition module after converting the video information into the image information, and the pixel value acquisition module converts the image information into the pixel value information, the image information is converted into the pixel value information by the pixel value acquisition module and then transmitted to the video comparison module, so that the identification of the video information is completed, meanwhile, the audio acquisition module can transmit the audio information to the audio comparison module, the audio comparison module and the video comparison module can compare and identify the pixel value information and the audio information one by one, so that a difference value is obtained, and after the difference value is obtained, the audio comparison module and the image comparison module can transmit the difference value information to the main control module through the signal transceiver module, so that the identification of the film display mode is completed, so that the processing is performed through the main control module, and meanwhile, after the identification is completed, the main control module can transmit the difference value information to the storage module, so that the film display mode can be identified next time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a wide screen film display mode's identification system, includes the display screen, draws module, image acquisition module, information transceiver module, pixel value acquisition module, audio frequency contrast module, video contrast module, host system, storage module and audio frequency acquisition module, its characterized in that: the extraction module is connected with the display screen, the image acquisition module and the comparison module are both connected with the extraction module, the information transceiving module is interactively connected with the main control module, the main control module is interactively connected with the storage module, the main control module is interactively connected with the display screen, and the storage module is connected with the comparison module;
the display screen is used for marking a screen display mode;
the extraction module is used for displaying audio and video data on a movie screen;
the image acquisition module is used for acquiring video screen image data;
the information transceiver module is used for the information transmission between the main control module and the audio frequency comparison module and between the main control module and the video frequency comparison module;
the pixel value acquisition module is used for converting the image information of the image acquisition module;
the audio comparison module is used for comparing the storage module with the extracted audio data;
the video comparison module is used for comparing the pixel values of the storage module and the pixel value acquisition module;
the main control module is used for controlling the comparison of information such as audio and video screens and the connection among the modules;
the storage module is used for recording comparison audio and video comparison values;
and the audio acquisition module is used for acquiring the audio information in the extraction module.
2. The system for identifying the display mode of the motion picture in wide screen as claimed in claim 1, wherein: the image acquisition module is connected with the pixel value acquisition module.
3. The system for identifying the display mode of the motion picture in wide screen as claimed in claim 1, wherein: the audio acquisition module is connected with the audio comparison module and the video comparison module.
4. The system for identifying the display mode of the motion picture in wide screen as claimed in claim 1, wherein: the audio comparison module, the video comparison module and the pixel value acquisition module are all connected with the information transceiving module.
5. The system for identifying the display mode of the motion picture in wide screen as claimed in claim 1, wherein: the pixel value acquisition module is connected with the video comparison module, and the storage module is connected with the extraction module.
6. A method for identifying a display mode of a wide-screen movie is characterized by comprising the following steps:
s1, collecting voice and video images: starting a screen, and acquiring image information and audio information in the display screen through an extraction module;
s2, video image analysis: the extraction module transmits video image information to the image acquisition module, and the image acquisition module transmits the image information to the pixel value acquisition module to analyze the image information into pixel values;
s3, audio and video comparison: the extraction module transmits the acquired audio data information to the audio acquisition module, the audio acquisition module transmits the audio information to the audio comparison module, the storage module transmits the comparison audio and video data to the extraction module, and the audio acquisition module and the image acquisition module transmit the comparison audio data and the video image data to the audio comparison module and the video comparison module for comparison;
s4, information transmission: the audio data and the video data after the comparison are transmitted to the main control module through the information transceiving module, and the main control module transmits the data to the display screen for displaying;
s5, storing comparison information: after the contrast information is displayed, the main controller transmits the film mode identification information to the storage module for storage.
7. The method for identifying the display mode of the wide-screen movie as claimed in claim 6, wherein: in S1, if the audio and video extraction fails, the main control module will extract the audio and video again until the audio and video data is successfully extracted.
8. The method for identifying the display mode of the motion picture in wide screen as claimed in claim 7, wherein: and in the step S4, the signal transceiver module performs information transmission by using bluetooth transmission or a local area network.
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| CN202011182429.9A CN112312206A (en) | 2020-10-29 | 2020-10-29 | System and method for identifying display mode of wide-screen film |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554047A (en) * | 2006-08-04 | 2009-10-07 | 先进微装置公司 | Video display mode control |
| CN104167187A (en) * | 2014-08-28 | 2014-11-26 | 青岛海信电器股份有限公司 | Wide-screen film display mode identifying method and device |
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- 2020-10-29 CN CN202011182429.9A patent/CN112312206A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554047A (en) * | 2006-08-04 | 2009-10-07 | 先进微装置公司 | Video display mode control |
| CN104167187A (en) * | 2014-08-28 | 2014-11-26 | 青岛海信电器股份有限公司 | Wide-screen film display mode identifying method and device |
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Application publication date: 20210202 |