The content of the invention
In order to solve the above problems, the invention provides one kind by data acquisition come adaptively selected information input mode
Method, be that the spectators of different age group select different intelligent television input pattern.
The present invention at least has following two important inventive points:
(1) by the adaptive switching for the resolution ratio/frame per second for controlling 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, avoids the wave of electric power resource
Take, ensured the endurance of tracking system;
(2) optimal background image is obtained in a manner of being matched with each visual angle still image prestored, meanwhile,
Each foreground point is determined by randomization judgment model, so as to lay solid data base for the identification of subsequent motion target
Plinth.
According to an aspect of the present invention, there is provided it is a kind of by data acquisition come the side of adaptively selected information input mode
Method, this method include:The adaptively selected system of information input mode on television set is provided;With the operation system, institute
The system of stating includes:
Input mode switches equipment, is connected with image segmentation apparatus, for receiving face pattern, and based in face pattern
Facial aging degree for television set present communications instrument selection corresponding to information input pattern;
It is television set present communications instrument that the input mode, which switches equipment based on the facial aging degree in face pattern,
Information input pattern includes corresponding to selection:When facial aging degree is one-level aging degree, information corresponding to selection inputs
Pattern is phonetic entry, and when facial aging degree is two level aging degree, information input pattern is remote control corresponding to selection
Input, when facial aging degree is three-level aging degree, information input pattern corresponding to selection inputs for remote sensing;
Adaptive resolution collecting device, including mode switch element, motion detection unit and several image acquisition units,
Several image acquisition units carry out image data acquiring to export several subangle images with different angle to place environment respectively,
Each image acquisition units default mode of operation is low resolution drainage pattern, 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 connected with motion detection unit, is also connected respectively with several image acquisition units, for receiving some figure
When Moving Objects be present as collecting unit, the mode of operation of the image acquisition units is switched into high-resolution acquisition pattern, used
When receiving some image acquisition units Moving Objects are not present, the mode of operation of the image acquisition units is switched to
Low resolution drainage pattern;
Environment light sensing device, including luminance sensor, for detecting the real-time luminosity of surrounding environment to be used as real-time ring
Border brightness output;
Brightness of display screen measuring apparatus, for providing the flat of the current contrast of display screen and the current picture of display screen
Equal brightness;
Brightness regulation equipment, it is connected respectively with environment light sensing device and brightness of display screen measuring apparatus, for based on reality
When ambient brightness, the current contrast of display screen and display screen the mean flow rate of current picture decide whether to display screen
Brightness is adjusted in real time;
Contrast identification equipment, it is connected with adaptive resolution collecting device, for receiving several subangle images, and knows
Several contrasts of not several subangle images, several contrasts are compared, by corresponding to numerical value highest contrast
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 subangle reference picture matching degree highest visual angle still image
Go out, wherein each visual angle still image is pre-stored in the memory cell that background is obtained 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, obtain equipment with background and be connected, for receiving subangle reference picture and real-time background image,
The average 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 average 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, the pixel is defined as foreground point, the pixel is otherwise defined 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
Detect to obtain and export face pattern.
Embodiment
The embodiment of the adaptively selected system of information input mode of the present invention is carried out in detail below with reference to accompanying drawings
Explanation.
In order to overcome above-mentioned deficiency, the present invention has built one kind by data acquisition come adaptively selected information input mode
Method, this method includes:The adaptively selected system of information input mode on television set is provided;With the operation system
System.Fig. 1 is the structural representation of the adaptively selected system of information input mode according to embodiment of the present invention, the system
System includes:
Input mode switches equipment, is connected with image segmentation apparatus, for receiving face pattern, and based in face pattern
Facial aging degree for television set present communications instrument selection corresponding to information input pattern;
It is television set present communications instrument that the input mode, which switches equipment based on the facial aging degree in face pattern,
Information input pattern includes corresponding to selection:When facial aging degree is one-level aging degree, information corresponding to selection inputs
Pattern is phonetic entry, and when facial aging degree is two level aging degree, information input pattern is remote control corresponding to selection
Input, when facial aging degree is three-level aging degree, information input pattern corresponding to selection inputs for remote sensing;
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 drainage pattern, and motion detection unit is distinguished
It is connected 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 is connected with motion detection unit, is also connected respectively with several image acquisition units, for receiving
When Moving Objects be present to some image acquisition units, high-resolution is switched to adopt the mode of operation of the image acquisition units
Integrated mode, for when receiving some image acquisition units Moving Objects being not present, by the work of the image acquisition units
Pattern switching is low resolution drainage pattern;
Environment light sensing device, including luminance sensor, for detecting the real-time luminosity of surrounding environment to be used as real-time ring
Border brightness output;
Brightness of display screen measuring apparatus, for providing the flat of the current contrast of display screen and the current picture of display screen
Equal brightness;
Brightness regulation equipment, it is connected respectively with environment light sensing device and brightness of display screen measuring apparatus, for based on reality
When ambient brightness, the current contrast of display screen and display screen the mean flow rate of current picture decide whether to display screen
Brightness is adjusted in real time;
Contrast identification equipment, it is connected with adaptive resolution collecting device, for receiving several subangle images, and knows
Several contrasts of not several subangle images, several contrasts are compared, by corresponding to numerical value highest contrast
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 subangle reference picture matching degree highest visual angle still image
Go out, wherein each visual angle still image is pre-stored in the memory cell that background is obtained 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, obtain equipment with background and be connected, for receiving subangle reference picture and real-time background image,
The average 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 average 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, the pixel is defined as foreground point, the pixel is otherwise defined 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
Detect 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:Age bracket corresponding to three-level aging degree declines less than two level
Age bracket corresponding to old degree, age bracket corresponding to two level aging degree are less than age bracket corresponding to one-level aging degree.
In the adaptively selected system of described information input mode:Each image acquisition units is low point in mode of operation
During resolution drainage pattern, 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 mode of operation
During resolution drainage pattern, 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 mode of operation
During resolution drainage pattern, 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 mode of operation
During resolution drainage pattern, 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 mode of operation
During resolution drainage pattern, 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 mode of operation
During resolution drainage pattern, 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 mode of operation
During resolution drainage pattern, image data acquiring is carried out with the frame per second of 50 frame per second.
In addition, ZigBee communication interface can also be included in the adaptively selected system of described information input mode, it is 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.Provided according to international standard,
ZigBee technology is the wireless communication technology 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 mode as honeybee dependence constitutes the communication network in colony.Be characterized in closely,
Low complex degree, self-organizing, low-power consumption, low data rate.It is mainly suitable for being used to automatically control and remote control field, can 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 key-course (MAC), transport layer (TL), Internet (NWK), application layer (APL) etc..Wherein physical layer and MAC layer
Follow the regulation of IEEE 802.15.4 standards.
Using the adaptively selected system of information input mode of the present invention, input and control for intelligent television in the prior art
The not high technical problem of intelligent level, equipment is switched using input mode, for receiving the high-precision face from scene
Pattern, and be information input mould corresponding to the selection of television set present communications instrument based on the facial aging degree in face pattern
Formula, input mode switching equipment is also used to be selected based on the facial aging degree in face pattern for television set present communications instrument
Corresponding information input pattern includes:When facial aging degree is one-level aging degree, information input pattern corresponding to selection
For phonetic entry, when facial aging degree is two level aging degree, information input pattern corresponding to selection inputs for remote control,
When facial aging degree is three-level aging degree, information input pattern corresponding to selection inputs for remote sensing.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all 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 change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.