CN107580251B - The adaptively selected system of information input mode - Google Patents

The adaptively selected system of information input mode Download PDF

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Publication number
CN107580251B
CN107580251B CN201710831240.XA CN201710831240A CN107580251B CN 107580251 B CN107580251 B CN 107580251B CN 201710831240 A CN201710831240 A CN 201710831240A CN 107580251 B CN107580251 B CN 107580251B
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image
aging degree
information input
subangle
real
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CN107580251A (en
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孙凤兰
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Nanjing Hai Zhigan Information Technology Co., Ltd
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Nanjing Taotesi Software Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42203Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/0007Image acquisition
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42202Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/4223Cameras
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213Monitoring of end-user related data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/667Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57Control of contrast or brightness
    • H04N5/58Control of contrast or brightness in dependence upon ambient light
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20004Adaptive image processing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/178Human faces, e.g. facial parts, sketches or expressions estimating age from face image; using age information for improving recognition

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Business, Economics & Management (AREA)
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  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Remote Sensing (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Social Psychology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Image Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The present invention relates to a kind of adaptively selected systems of information input mode, are located on television set, including:Input mode switching equipment is that television set present communications tool selects corresponding information input pattern for receiving face pattern, and based on the facial aging degree in face pattern;The input mode switching equipment is that the corresponding information input pattern of television set present communications tool selection includes based on the facial aging degree in face pattern:When facial aging degree is level-one aging degree, corresponding information input pattern is selected to be inputted for voice, when facial aging degree is two level aging degree, corresponding information input pattern is selected to be inputted for remote controler, when facial aging degree is three-level aging degree, corresponding information input pattern is selected to be inputted for remote sensing.By means of the invention it is possible to ensure accessible input of the various spectators to television set present communications tool.

Description

The adaptively selected system of information input mode
Technical field
The present invention relates to field of television more particularly to a kind of adaptively selected systems of information input mode.
Background technology
Currently.The system of smart television installation has Android in the market;Smart TV;Android4.2++linux; LetvUI1.5 systems, kernel:Android 4.0 etc..Some smart televisions (machine), there is a network interface, built-in WI-FI modules, CA cards can also be inserted into simultaneously.
City of the world's process is constantly accelerated at present, has enter on the take-off line of Urbanization at this stage, people from cities and towns Mouth has been more than people in the countryside, provides wide development space in these objective factors for smart television market.It is expected that 2012- 2015, smart television market comsupton demand will keep sustainable growth, compound growth rate to be up to 15% or so.
With the constantly improve of smart television, the development of multi-screen interactive technology, smart television is increasingly becoming the new of consumer Dote on, this also causes the change of home audience custom therewith, and intelligent large-size screen monitors become the most important recreation terminal of family, relative to hand Machine and computer, people prefer to appreciate high-definition movie, TV with large screen.
For current smart television in the control aspect of input mode, intelligent level is not high, can not be according to audience class Type formulates the different input patterns for facilitating them to input.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of adaptively selected systems of information input mode, for not the same year Age, the spectators of section selected different smart television input patterns.
The present invention at least has following two important inventive points:
(1) by controlling the adaptive switching of resolution ratio/frame per second of each image acquisition units, ensureing not with losing fortune While dynamic object and guarantee imaging moving objects quality, the power consumption of collecting unit is reduced, the wave of electric power resource is avoided Take, has ensured the cruising ability of tracking system;
(2) by with pre-stored each visual angle still image carry out it is matched in a manner of obtain best background image, meanwhile, Each foreground point is determined by randomization judgment model, to lay solid data base for the identification of subsequent motion target Plinth.
According to an aspect of the present invention, a kind of adaptively selected system of information input mode is provided, the system comprises:
Input mode switching equipment, connect with image segmentation apparatus, for receiving face pattern, and based in face pattern Facial aging degree be that television set present communications tool selects corresponding information input pattern;
The input mode switching equipment is television set present communications tool based on the facial aging degree in face pattern The corresponding information input pattern is selected to include:When facial aging degree is level-one aging degree, corresponding information input is selected Pattern inputs for voice, and when facial aging degree is two level aging degree, it is remote controler to select corresponding information input pattern Input selects corresponding information input pattern to be inputted for remote sensing when facial aging degree is three-level aging degree;
Adaptive resolution collecting device, including mode switch element, motion detection unit and several image acquisition units, Several image acquisition units respectively with different angle to place environment carry out image data acquiring to export several subangle images, Each image acquisition units default mode of operation is low resolution acquisition mode, and motion detection unit is adopted with several images respectively Collect unit connection, whether there is Moving Objects, pattern in the subangle image for detecting the shooting of each image acquisition units Switch unit is connect with motion detection unit, is also connect respectively with several image acquisition units, for receiving some figure As collecting unit is there are when Moving Objects, the operating mode of the image acquisition units is switched to high-resolution acquisition pattern, is used In receiving some image acquisition units there is no when Moving Objects, the operating mode of the image acquisition units is switched to Low resolution acquisition mode;
Environment light sensing device, including luminance sensor, for detecting the real-time luminosity of ambient enviroment using as real-time ring Border brightness output;
Brightness of display screen measuring apparatus, the current picture of current contrast and display screen for providing display screen are put down Equal brightness;
Brightness regulation equipment is connect with environment light sensing device and brightness of display screen measuring apparatus respectively, for based on real When ambient brightness, the current contrast of display screen and display screen the average brightness of current picture decide whether to display screen Brightness is adjusted in real time;
Contrast identification equipment is connect with adaptive resolution collecting device, for receiving several subangle images, and is known Several contrasts of not several subangle images, several contrasts are compared, corresponding to the highest contrast of numerical value Subangle image is as subangle reference picture;
Background obtains equipment, for receiving subangle reference picture, and subangle reference picture and each visual angle is static Image is matched one by one, will be defeated as real-time background image with the highest visual angle still image of subangle reference picture matching degree Go out, wherein each visual angle still image is pre-stored in the storage unit that background obtains built in equipment, each visual angle is quiet State image is is shot the image obtained to the static scene under the corresponding visual angle without any Moving Objects in advance;
Image segmentation apparatus obtains equipment with background and connect, for receiving subangle reference picture and real-time background image, The mean value of the pixel value of real-time background image and the variance of the pixel value of real-time background image are determined, by subangle reference picture In the pixel value of each pixel and the mean value of pixel value of real-time background image do difference, when difference is more than or equal to the back of the body in real time At five times of the variance of the pixel value of scape image, which is determined as foreground point, the pixel is otherwise determined as background Point, and all foreground points in subangle reference picture are formed into real-time foreground image, face is carried out from real-time foreground image Detection is to obtain and export face pattern.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein:
Fig. 1 is the structural schematic diagram according to the adaptively selected system of information input mode shown in embodiment of the present invention.
Fig. 2 is the adaptive resolution according to the adaptively selected system of information input mode shown in embodiment of the present invention The structural schematic diagram of collecting device.
Specific implementation mode
The embodiment of the adaptively selected system of information input mode of the present invention is carried out below with reference to accompanying drawings detailed Explanation.
In order to overcome above-mentioned deficiency, the present invention to build a kind of adaptively selected system of information input mode.
Fig. 1 is the structural schematic diagram according to the adaptively selected system of information input mode shown in embodiment of the present invention, The system comprises:
Input mode switching equipment, connect with image segmentation apparatus, for receiving face pattern, and based in face pattern Facial aging degree be that television set present communications tool selects corresponding information input pattern;
The input mode switching equipment is television set present communications tool based on the facial aging degree in face pattern The corresponding information input pattern is selected to include:When facial aging degree is level-one aging degree, corresponding information input is selected Pattern inputs for voice, and when facial aging degree is two level aging degree, it is remote controler to select corresponding information input pattern Input selects corresponding information input pattern to be inputted for remote sensing when facial aging degree is three-level aging degree;
As shown in Fig. 2, adaptive resolution collecting device, including mode switch element, motion detection unit and several figures As collecting unit, it is several to export that several image acquisition units carry out image data acquiring with different angle to place environment respectively Subangle image, each image acquisition units default mode of operation are low resolution acquisition mode, motion detection unit difference It is connect with several image acquisition units, with the presence or absence of fortune in the subangle image for detecting the shooting of each image acquisition units Dynamic object, mode switch element connect with motion detection unit, is also connect respectively with several image acquisition units, for receiving To some image acquisition units there are when Moving Objects, the operating mode of the image acquisition units is switched to high-resolution and is adopted Integrated mode, for receive some image acquisition units there is no Moving Objects when, by the work of the image acquisition units Pattern switching is low resolution acquisition mode;
Environment light sensing device, including luminance sensor, for detecting the real-time luminosity of ambient enviroment using as real-time ring Border brightness output;
Brightness of display screen measuring apparatus, the current picture of current contrast and display screen for providing display screen are put down Equal brightness;
Brightness regulation equipment is connect with environment light sensing device and brightness of display screen measuring apparatus respectively, for based on real When ambient brightness, the current contrast of display screen and display screen the average brightness of current picture decide whether to display screen Brightness is adjusted in real time;
Contrast identification equipment is connect with adaptive resolution collecting device, for receiving several subangle images, and is known Several contrasts of not several subangle images, several contrasts are compared, corresponding to the highest contrast of numerical value Subangle image is as subangle reference picture;
Background obtains equipment, for receiving subangle reference picture, and subangle reference picture and each visual angle is static Image is matched one by one, will be defeated as real-time background image with the highest visual angle still image of subangle reference picture matching degree Go out, wherein each visual angle still image is pre-stored in the storage unit that background obtains built in equipment, each visual angle is quiet State image is is shot the image obtained to the static scene under the corresponding visual angle without any Moving Objects in advance;
Image segmentation apparatus obtains equipment with background and connect, for receiving subangle reference picture and real-time background image, The mean value of the pixel value of real-time background image and the variance of the pixel value of real-time background image are determined, by subangle reference picture In the pixel value of each pixel and the mean value of pixel value of real-time background image do difference, when difference is more than or equal to the back of the body in real time At five times of the variance of the pixel value of scape image, which is determined as foreground point, the pixel is otherwise determined as background Point, and all foreground points in subangle reference picture are formed into real-time foreground image, face is carried out from real-time foreground image Detection is to obtain and export face pattern.
Then, continue to carry out further the concrete structure of the adaptively selected system of information input mode of the present invention It is bright.
In the adaptively selected system of described information input mode:The corresponding age bracket of three-level aging degree declines less than two level The corresponding age bracket of old degree, the corresponding age bracket of two level aging degree are less than the corresponding age bracket of level-one aging degree.
In the adaptively selected system of described information input mode:Each image acquisition units is low point in operating mode When resolution acquisition mode, image data acquiring is carried out with 960 × 540 resolution ratio.
In the adaptively selected system of described information input mode:Each image acquisition units is low point in operating mode When resolution acquisition mode, image data acquiring is carried out with 1920 × 1080 resolution ratio.
In the adaptively selected system of described information input mode:Each image acquisition units is high score in operating mode When resolution acquisition mode, image data acquiring is carried out with 3840 × 2160 resolution ratio.
In the adaptively selected system of described information input mode:Each image acquisition units is low point in operating mode When resolution acquisition mode, image data acquiring is carried out with low frame per second.
In the adaptively selected system of described information input mode:Each image acquisition units is high score in operating mode When resolution acquisition mode, image data acquiring is carried out with high frame per second.
In the adaptively selected system of described information input mode:Each image acquisition units is low point in operating mode When resolution acquisition mode, image data acquiring is carried out with the frame per second of 10 frame per second.
In the adaptively selected system of described information input mode:Each image acquisition units is high score in operating mode When resolution acquisition mode, image data acquiring is carried out with the frame per second of 50 frame per second.
In addition, can also include ZigBee communication interface in the adaptively selected system of described information input mode, it be used for Transmit wirelessly the facial aging degree in face pattern.
ZigBee is the low-power consumption LAN protocol based on IEEE802.15.4 standards.It is provided according to international standard, ZigBee technology is the wireless communication technique of a kind of short distance, low-power consumption.This title (also known as ZigBee protocol) derives from honeybee Eight words dance, due to honeybee (bee) be by circle in the air and " drone " (zig) shake wing " dancing " come and companion transmission pollen Place azimuth information, that is to say, that honeybee constitutes the communication network in group by such mode.Its main feature is that closely, Low complex degree, self-organizing, low-power consumption, low data rate.It is mainly suitable for, for automatically controlling and remote control field, to be embedded in Various equipment.In brief, ZigBee is exactly a kind of cheap, the near radio networking mechanics of communication of low-power consumption.ZigBee It is a kind of wireless network protocol of low speed short-distance transmission.Zigbee protocol is respectively physical layer (PHY), media visit from top to bottom Ask control layer (MAC), transport layer (TL), network layer (NWK), application layer (APL) etc..Wherein physical layer and MAC layer Follow the regulation of IEEE802.15.4 standards.
The adaptively selected system of information input mode using the present invention, for smart television input control in the prior art The not high technical problem of intelligent level, using input mode switching equipment, for receiving the high-precision face from scene Pattern, and be that television set present communications tool selects corresponding information input mould based on the facial aging degree in face pattern Formula also uses input mode switching equipment to be selected for television set present communications tool based on the facial aging degree in face pattern Corresponding information input pattern includes:When facial aging degree is level-one aging degree, corresponding information input pattern is selected It is inputted for voice, when facial aging degree is two level aging degree, corresponding information input pattern is selected to be inputted for remote controler, When facial aging degree is three-level aging degree, corresponding information input pattern is selected to be inputted for remote sensing.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention, Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection It is interior.

Claims (3)

1. a kind of adaptively selected system of information input mode is located on television set, the system comprises:
Input mode switching equipment, connect with image segmentation apparatus, for receiving face pattern, and based on the face in face pattern Portion's aging degree is that television set present communications tool selects corresponding information input pattern;
The input mode switching equipment is selected based on the facial aging degree in face pattern for television set present communications tool Corresponding information input pattern includes:When facial aging degree is level-one aging degree, corresponding information input pattern is selected It is inputted for voice, when facial aging degree is two level aging degree, corresponding information input pattern is selected to be inputted for remote controler, When facial aging degree is three-level aging degree, corresponding information input pattern is selected to be inputted for remote sensing;
Adaptive resolution collecting device, including mode switch element, motion detection unit and several image acquisition units, it is several Image acquisition units respectively with different angle to place environment carry out image data acquiring to export several subangle images, it is each A image acquisition units default mode of operation be low resolution acquisition mode, motion detection unit respectively with several Image Acquisition lists Member connection whether there is Moving Objects, pattern switching for detecting in the subangle image that each image acquisition units is shot Unit is connect with motion detection unit, is also connect respectively with several image acquisition units, for adopting receiving some image Collect unit there are when Moving Objects, the operating mode of the image acquisition units is switched to high-resolution acquisition pattern, is used for Some image acquisition units is received there is no when Moving Objects, the operating mode of the image acquisition units is switched to low point Resolution acquisition mode;
Environment light sensing device, including luminance sensor, for detecting the real-time luminosity of ambient enviroment using bright as real time environment Degree output;
Brightness of display screen measuring apparatus, being averaged for the current picture of current contrast and display screen for providing display screen are bright Degree;
Brightness regulation equipment is connect with environment light sensing device and brightness of display screen measuring apparatus respectively, for being based on real-time ring The average brightness of the current picture of border brightness, the current contrast of display screen and display screen decides whether the brightness to display screen It is adjusted in real time;
Contrast identification equipment is connect with adaptive resolution collecting device, for receiving several subangle images, and identifies number Several contrasts of a subangle image, several contrasts are compared, by the subangle corresponding to the highest contrast of numerical value Image is spent as subangle reference picture;
Background obtains equipment, for receiving subangle reference picture, and by subangle reference picture and each visual angle still image It is matched, will be exported as real-time background image with the highest visual angle still image of subangle reference picture matching degree one by one, Wherein each visual angle still image is pre-stored in the storage unit that background obtains built in equipment, each visual angle static map As to be shot the image obtained to the static scene under the corresponding visual angle without any Moving Objects in advance;
Image segmentation apparatus obtains equipment with background and connect, for receiving subangle reference picture and real-time background image, determines The variance of the mean value of the pixel value of real-time background image and the pixel value of real-time background image, will be every in subangle reference picture The mean value of the pixel value of one pixel and the pixel value of real-time background image does difference, when difference is more than or equal to real-time Background At five times of the variance of the pixel value of picture, which is determined as foreground point, the pixel is otherwise determined as background dot, and All foreground points in subangle reference picture are formed into real-time foreground image, carried out from real-time foreground image face detection with It obtains and exports face pattern.
2. the adaptively selected system of information input mode as described in claim 1, it is characterised in that:
The corresponding age bracket of three-level aging degree is less than the corresponding age bracket of two level aging degree, two level aging degree corresponding year Age section is less than the corresponding age bracket of level-one aging degree.
3. the adaptively selected system of information input mode as claimed in claim 2, it is characterised in that:
Each image acquisition units carries out image when operating mode is low resolution acquisition mode, with 960 × 540 resolution ratio Data acquire.
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