CN113824997A - Display picture pushing platform based on scene analysis - Google Patents
Display picture pushing platform based on scene analysis Download PDFInfo
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- CN113824997A CN113824997A CN202010510327.9A CN202010510327A CN113824997A CN 113824997 A CN113824997 A CN 113824997A CN 202010510327 A CN202010510327 A CN 202010510327A CN 113824997 A CN113824997 A CN 113824997A
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- top box
- display
- affine transformation
- box terminal
- scene analysis
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/213—Circuitry for suppressing or minimising impulsive noise
Abstract
The invention relates to a display picture pushing platform based on scene analysis, which comprises: the set-top box terminal is used for receiving and caching display pictures on a television screen to be connected with the set-top box terminal, and is internally provided with a Bluetooth communication interface; the user mobile phone is internally provided with a Bluetooth communication interface and is used for establishing a Bluetooth communication link with the set top box terminal; and the picture pushing mechanism is used for pushing the display picture currently cached by the set top box terminal to the user mobile phone through the Bluetooth communication link so as to display the display picture on the display screen of the user mobile phone when receiving the first control command. The display picture pushing platform based on scene analysis is compact in structure and reliable in logic. Due to the fact that when a near child object exists around the set top box terminal, the picture played on the television screen connected with the set top box is switched to the mobile phone terminal which establishes the Bluetooth communication link with the set top box terminal, and therefore the automation level of the set top box management and control is improved.
Description
Technical Field
The invention relates to the field of set top box management and control, in particular to a display picture pushing platform based on scene analysis.
Background
A digital video converter box, commonly referred to as a set-top box or set-top box, is a device that connects a television set to an external source. It can convert the compressed digital signal into television content and display it on the television. The signals may come from cable, satellite dish, broadband network and terrestrial broadcast. The set-top box receives digital content, including electronic program guides, internet web pages, etc., in addition to the images and sounds that an analog television can provide. It enables users to watch digital television programs on existing television sets and to conduct interactive digital entertainment, education and commercialization activities over a network.
Media processing functions required for supporting basic services and extended services. For basic services, one or more of AVS video, MPEG-2, MPEG-4Part10/H.264 and SMPTEVC-1 can be selected as video decoding standards; the audio decoding may employ MPEG-2/4AAC, MPEG-2 audio, Dolby AC3/5.1, MPEG-1Layer2, MP3, and the like. When the technology and the service are mature, one or two items are finally determined to be used as the audio and video coding and decoding standards of the IPTV. For the extended services, it needs to support image display formats such as CIF or QCIF and h.261 or h.263 video codec standards, and must support g.711 audio codec standards, and may also adopt g.723, g.728, g.729 audio codec standards. Therefore, a multi-option mode is adopted, and the condition that patent charging of various audio and video coding and decoding standards and the like are not determined is mainly considered.
In addition, the set-top box needs to support graphic display modes with the resolution of 640 × 480, 720 × 576 and 352 × 288, and each pixel at least supports 16-bit color; the method supports the simultaneous display of the contents of a plurality of planes and can adopt a tiled or superposed image mode; the capability of displaying characters and Chinese characters is supported, and Chinese character coding conforms to the GB18030 requirement.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides a display picture pushing platform based on scene analysis, which can switch pictures played on a television screen connected with a set top box to a mobile phone terminal establishing a Bluetooth communication link with the set top box terminal when a near child object exists around the set top box terminal, so that the automation level of the set top box management and control is improved.
For this reason, the present invention needs to have several important points:
(1) establishing Bluetooth connection of a binding relationship between a set top box terminal and a mobile phone terminal so as to switch pictures played by a television screen to the mobile phone terminal in time for playing when a child object with a short distance exists on site;
(2) on the basis of performing customization processing on the live image, judging whether the processed image has a child object with an over-limit area so as to judge whether the live image has a child object close to the set-top box terminal.
According to an aspect of the present invention, there is provided a display screen pushing platform based on scene analysis, the platform comprising:
the set-top box terminal is used for receiving and caching display pictures on a television screen to be connected with the set-top box terminal, and is internally provided with a Bluetooth communication interface;
the mobile phone of the user is internally provided with a Bluetooth communication interface, and when a set top box terminal bound with the mobile phone of the user is searched in the communication range of the Bluetooth communication interface, a Bluetooth communication link with the set top box terminal is established;
the picture pushing mechanism is arranged inside the set top box terminal and used for pushing a display picture currently cached by the set top box terminal to the user mobile phone through a Bluetooth communication link to display the display picture on a display screen of the user mobile phone when a first control command is received;
the picture pushing mechanism is also used for stopping pushing the display picture currently cached by the set top box terminal to the user mobile phone through the Bluetooth communication link when receiving a second control command, and pushing the display picture currently cached by the set top box terminal to a television screen for displaying;
the high-definition video recording mechanism is positioned in the front panel of the set-top box terminal and is used for executing high-definition video recording operation on the surrounding environment of the set-top box terminal so as to obtain a field video recording frame corresponding to the current moment;
the content sharpening device is arranged inside the set top box terminal, connected with the high-definition video recording mechanism and used for carrying out sharpening processing based on a Kirsch operator on the received field video recording frame so as to obtain and output a corresponding content sharpened image;
the harmonic mean filtering device is connected with the content sharpening device and is used for executing harmonic mean filtering processing on the received content sharpened image so as to obtain and output a corresponding harmonic mean filtered image;
the affine transformation device is connected with the harmonic mean filtering device and used for executing affine transformation processing on the received harmonic mean filtering image so as to obtain and output a corresponding affine transformation image;
and the command triggering mechanism is respectively connected with the picture pushing mechanism and the affine transformation equipment and is used for sending a first control command when a child object with an over-limit area exists in the received affine transformation image.
According to another aspect of the present invention, a method for pushing a display based on scene analysis is further provided, where the method includes using a display pushing platform based on scene analysis as described above, for switching a final display mechanism of a picture of a set-top box terminal according to a recognition result of a scene around the set-top box terminal.
The display picture pushing platform based on scene analysis is compact in structure and reliable in logic. Due to the fact that when a near child object exists around the set top box terminal, the picture played on the television screen connected with the set top box is switched to the mobile phone terminal which establishes the Bluetooth communication link with the set top box terminal, and therefore the automation level of the set top box management and control is improved.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of an operating environment of a display screen pushing platform based on scene analysis according to an embodiment of the present invention.
Detailed Description
An embodiment of the scene analysis-based display screen pushing platform according to the present invention will be described in detail below with reference to the accompanying drawings.
Bluetooth communication is an open global specification for wireless data and voice communication, which is a special short-range wireless technology connection that establishes a communication environment for fixed and mobile devices based on a low-cost short-range wireless connection.
Bluetooth communication enables some portable mobile devices and computer devices today to connect to the internet without a cable and to access the internet wirelessly.
Bluetooth communication is a wireless technology standard that enables short-range data exchange (using UHF radio waves in the ISM band of 2.4-2.485 GHz) between fixed devices, mobile devices and building personal area networks. The Bluetooth communication can be connected with a plurality of devices, and the problem of data synchronization is overcome.
Bluetooth communication technology is a new wireless communication technology jointly announced in 1998 by 5 months, by 5 famous major companies in Ericsson, Nokia, Toshiba, International Business machines corporation (IBM) and Intel. Bluetooth communication devices are the main carrier for bluetooth communication technology, and common bluetooth communication devices such as computers, mobile phones, etc. are used. The bluetooth communication product accommodates a bluetooth communication module, supporting bluetooth communication radio connection and software application. Bluetooth communication device connections must be paired within a certain range. This pairing search is referred to as a short range temporary network mode, also referred to as a piconet, and can accommodate up to 8 devices. The Bluetooth communication equipment is successfully connected, the number of the master equipment is only one, and the number of the slave equipment can be multiple. The bluetooth communication technology has radio frequency characteristics. The TDMA structure and the network multi-level structure are adopted, a frequency hopping technology, a wireless technology and the like are technically applied, and the TDMA radio frequency transmission system has the advantages of high transmission efficiency, high safety and the like, so that the TDMA radio frequency transmission system is applied to various industries.
At present, a set top box provides more picture management services for a network television and a smart television, but the set top box still has a certain rising space in the aspect of intelligence level, for example, when a child object at a short distance exists on the scene, a television screen picture needs to be prevented from being seen by a child, and at present, the set top box is directly turned off when the child object is identified, regardless of the distance of the child object and the playing action of maintaining the related picture.
In order to overcome the defects, the invention builds a display picture pushing platform based on scene analysis, and can effectively solve the corresponding technical problem.
Fig. 1 is a schematic diagram of an operating environment of a display screen pushing platform based on scene analysis according to an embodiment of the present invention.
The display screen pushing platform based on scene analysis according to the embodiment of the invention comprises:
the set-top box terminal is used for receiving and caching display pictures on a television screen to be connected with the set-top box terminal, and is internally provided with a Bluetooth communication interface;
the mobile phone of the user is internally provided with a Bluetooth communication interface, and when a set top box terminal bound with the mobile phone of the user is searched in the communication range of the Bluetooth communication interface, a Bluetooth communication link with the set top box terminal is established;
the picture pushing mechanism is arranged inside the set top box terminal and used for pushing a display picture currently cached by the set top box terminal to the user mobile phone through a Bluetooth communication link to display the display picture on a display screen of the user mobile phone when a first control command is received;
the picture pushing mechanism is also used for stopping pushing the display picture currently cached by the set top box terminal to the user mobile phone through the Bluetooth communication link when receiving a second control command, and pushing the display picture currently cached by the set top box terminal to a television screen for displaying;
the high-definition video recording mechanism is positioned in the front panel of the set-top box terminal and is used for executing high-definition video recording operation on the surrounding environment of the set-top box terminal so as to obtain a field video recording frame corresponding to the current moment;
the content sharpening device is arranged inside the set top box terminal, connected with the high-definition video recording mechanism and used for carrying out sharpening processing based on a Kirsch operator on the received field video recording frame so as to obtain and output a corresponding content sharpened image;
the harmonic mean filtering device is connected with the content sharpening device and is used for executing harmonic mean filtering processing on the received content sharpened image so as to obtain and output a corresponding harmonic mean filtered image;
the affine transformation device is connected with the harmonic mean filtering device and used for executing affine transformation processing on the received harmonic mean filtering image so as to obtain and output a corresponding affine transformation image;
and the command triggering mechanism is respectively connected with the picture pushing mechanism and the affine transformation equipment and is used for sending a first control command when a child object with an over-limit area exists in the received affine transformation image.
Next, the detailed structure of the scene analysis-based display screen pushing platform of the present invention will be further described.
In the scene analysis-based display image pushing platform:
the command triggering mechanism is further used for sending out a second control command when no child object with an area exceeding the limit exists in the received affine transformation image.
In the scene analysis-based display image pushing platform:
when the child object with the area exceeding the limit exists in the received affine transformation image, the issuing of the first control command comprises: more than one child object is identified from the affine transformation image based on a child outline.
In the scene analysis-based display image pushing platform:
when the child object with the area exceeding the limit exists in the received affine transformation image, the issuing of the first control command comprises: and detecting the number of pixel points occupied by each child object in the affine transformation image and taking the number as the area occupied by the child object.
The display screen pushing platform based on scene analysis can further comprise:
the voice control mechanism is connected with the picture pushing mechanism and used for converting the received user voice command into a corresponding first control command or a second control command;
wherein the sound control mechanism, the command trigger mechanism and the affine transformation device are all arranged inside the set-top box terminal.
In the scene analysis-based display image pushing platform:
the affine transformation device has a built-in storage unit for storing input data and output data of the affine transformation device.
In the scene analysis-based display image pushing platform:
the command trigger mechanism is connected with the IIC control bus and used for receiving various control commands sent by the IIC control bus.
In the scene analysis-based display image pushing platform:
the affine transformation device is also connected with the clock generator and used for receiving the time sequence signals customized by the clock generator for the affine transformation device.
In the scene analysis-based display image pushing platform:
the command triggering mechanism is realized by adopting an ASIC chip, and the ASIC chip comprises an online programming interface;
wherein the affine transformation device and the command triggering mechanism are located on the same printed circuit board and share the same circuit supply device.
Meanwhile, in order to overcome the defects, the invention also builds a display image pushing method based on scene analysis, and the method comprises the step of using the display image pushing platform based on scene analysis and used for switching the final display mechanism of the set top box terminal image according to the recognition result of the scene around the set top box terminal.
In addition, the affine transformation device may be implemented using an SOC chip. System on Chip, called SOC for short, is also a System on Chip. From a narrow sense, the system is the chip integration of the core of an information system, and key components of the system are integrated on one chip; in a broad sense, SoC is a micro-miniature system, and if the Central Processing Unit (CPU) is the brain, SoC is a system that includes the brain, heart, eyes, and hands. The academia at home and abroad generally tends to define the SOC as integrating a microprocessor, an analog IP core, a digital IP core and a memory (or off-chip memory control interface) on a single chip, which is usually custom-made or standard product oriented to a specific application.
The basic content of the SOC definition is mainly two-fold: one is his composition and the other is his forming process. The system-on-chip can be composed of a system-on-chip control logic module, a microprocessor/microcontroller CPU core module, a digital signal processor DSP module, an embedded memory module, an interface module for communicating with the outside, an analog front-end module containing ADC/DAC, a power supply and power consumption management module, a radio frequency front-end module, user defined logic (which can be realized by FPGA or ASIC) and a micro-electro-mechanical module for a wireless SoC, and more importantly, a SOC chip is embedded with a basic software (RDOS or COS and other application software) module or loadable user software and the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Although the present invention has been described with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims of the present application.
Claims (10)
1. A display push platform based on scene analysis, the platform comprising:
the set-top box terminal is used for receiving and caching display pictures on a television screen to be connected with the set-top box terminal, and is internally provided with a Bluetooth communication interface;
the mobile phone of the user is internally provided with a Bluetooth communication interface, and when a set top box terminal bound with the mobile phone of the user is searched in the communication range of the Bluetooth communication interface, a Bluetooth communication link with the set top box terminal is established;
the picture pushing mechanism is arranged inside the set top box terminal and used for pushing a display picture currently cached by the set top box terminal to the user mobile phone through a Bluetooth communication link to display the display picture on a display screen of the user mobile phone when a first control command is received;
the picture pushing mechanism is also used for stopping pushing the display picture currently cached by the set top box terminal to the user mobile phone through the Bluetooth communication link when receiving a second control command, and pushing the display picture currently cached by the set top box terminal to a television screen for displaying;
the high-definition video recording mechanism is positioned in the front panel of the set-top box terminal and is used for executing high-definition video recording operation on the surrounding environment of the set-top box terminal so as to obtain a field video recording frame corresponding to the current moment;
the content sharpening device is arranged inside the set top box terminal, connected with the high-definition video recording mechanism and used for carrying out sharpening processing based on a Kirsch operator on the received field video recording frame so as to obtain and output a corresponding content sharpened image;
the harmonic mean filtering device is connected with the content sharpening device and is used for executing harmonic mean filtering processing on the received content sharpened image so as to obtain and output a corresponding harmonic mean filtered image;
the affine transformation device is connected with the harmonic mean filtering device and used for executing affine transformation processing on the received harmonic mean filtering image so as to obtain and output a corresponding affine transformation image;
and the command triggering mechanism is respectively connected with the picture pushing mechanism and the affine transformation equipment and is used for sending a first control command when a child object with an over-limit area exists in the received affine transformation image.
2. The scene analysis-based display push platform of claim 1, wherein:
the command triggering mechanism is further used for sending out a second control command when no child object with an area exceeding the limit exists in the received affine transformation image.
3. The scene analysis-based display push platform of claim 2, wherein:
when the child object with the area exceeding the limit exists in the received affine transformation image, the issuing of the first control command comprises: more than one child object is identified from the affine transformation image based on a child outline.
4. The scene analysis-based display push platform of claim 3, wherein:
when the child object with the area exceeding the limit exists in the received affine transformation image, the issuing of the first control command comprises: and detecting the number of pixel points occupied by each child object in the affine transformation image and taking the number as the area occupied by the child object.
5. The scene analysis-based display push platform of claim 4, wherein the platform further comprises:
the voice control mechanism is connected with the picture pushing mechanism and used for converting the received user voice command into a corresponding first control command or a second control command;
wherein the sound control mechanism, the command trigger mechanism and the affine transformation device are all arranged inside the set-top box terminal.
6. The scene analysis-based display push platform of claim 5, wherein:
the affine transformation device has a built-in storage unit for storing input data and output data of the affine transformation device.
7. The scene analysis-based display push platform of claim 6, wherein:
the command trigger mechanism is connected with the IIC control bus and used for receiving various control commands sent by the IIC control bus.
8. The scene analysis-based display push platform of claim 7, wherein:
the affine transformation device is also connected with the clock generator and used for receiving the time sequence signals customized by the clock generator for the affine transformation device.
9. The scene analysis-based display push platform of claim 8, wherein:
the command triggering mechanism is realized by adopting an ASIC chip, and the ASIC chip comprises an online programming interface;
wherein the affine transformation device and the command triggering mechanism are located on the same printed circuit board and share the same circuit supply device.
10. A method for pushing a display based on scene analysis, the method comprising providing a platform for pushing a display based on scene analysis according to any one of claims 1 to 9, for switching a final display mechanism of a picture of a set-top terminal according to a recognition result of a scene around the set-top terminal.
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