CN109429047B - Method for controlling projection color of tablet personal computer - Google Patents
Method for controlling projection color of tablet personal computer Download PDFInfo
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- CN109429047B CN109429047B CN201810161043.6A CN201810161043A CN109429047B CN 109429047 B CN109429047 B CN 109429047B CN 201810161043 A CN201810161043 A CN 201810161043A CN 109429047 B CN109429047 B CN 109429047B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 13
- 238000011946 reduction process Methods 0.000 claims description 9
- 244000174681 Michelia champaca Species 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
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- G06T5/70—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
Abstract
The invention relates to a method for controlling projection color of a tablet computer, which comprises the steps of providing a tablet computer projection color control system, and determining whether to perform projection operation of playing contents based on the type of the playing contents listened in real time. The system comprises: the parameter setting equipment is used for receiving setting parameters of a projection mode of the tablet computer, and the setting parameters comprise automatic projection parameters and non-automatic projection parameters; the playing snooping device is used for snooping the current playing content type of the tablet computer in real time so as to acquire and output the playing content type which is snooped in real time, and the current playing content type comprises: audio, video, electronic books, and images; and the content analysis equipment is used for receiving the real-time detected playing content type, sending an identification trigger signal when the real-time detected playing content type is a video or an electronic book, and sending a signal which does not need to be identified when the real-time detected playing content type is a non-video and other types of non-electronic books.
Description
Technical field
The present invention relates to computer field more particularly to a kind of tablet computer projected color control methods.
Background technique
Tablet computer also cry portable computer (English: Tablet Personal Computer, abbreviation Tablet PC,
Flat Pc, Tablet, Slates), it is a kind of small-sized, PC for being convenient for carrying, is set using touch screen as basic input
It is standby.Touch screen (also referred to as numerical digit plate technique) that it possesses allow user operation is carried out by stylus or digital pen rather than
Traditional keyboard or mouse.User can be true by soft keyboard on built-in handwriting recognition, screen, speech recognition or one
Positive keyboard (if the type is equipped with) realizes input.Tablet computer is proposed by Bill Gates, should support to come from X86
The chip architecture of (Intel, AMD) and ARM, tablet computer are divided into ARM framework (representative products are ipad and Android tablet computer)
With X86-based (representative products be Surface Pro) the latter's X86-based tablet computer generally use intel processor and
Windows operating system has complete computer and panel function, supports exe program.The development of tablet computer is along with communication
Technology great development is maked rapid progress, and as an emerging technology, CDMA, CDMA2000 are just fashionable global rapidly and have occupied 18%
Wireless market.Cut-off 2012, global CDMA2000 user is more than 2.56 hundred million, throughout 70 national 156 operators
Through commercial 3G cdma service.From Microsoft propose tablet computer concept product from, tablet computer be exactly it is a need not flip lid,
There is no keyboard, is small to being put into clutch bag, but fully functional PC.
In the prior art, since the light of the terminal devices such as tablet computer is excessively bright, be not suitable for watched for a long time and height
Intensity viewing, therefore, projection device can be used as the ancillary equipment of tablet computer, be replaced to the display screen of flat panel TV, so
And lack the effective scheme for realizing above-mentioned replacement operation in the prior art.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of tablet computer projected color control methods, scheme in high-precision
On the basis of processing and identification, the type of the broadcasting content based on the tablet computer snooped in real time, it is determined whether broadcast
Put content projection operation, while the color based on user's selection, the background color that setting broadcasting content projects, to meet user
The demand of long-term viewing and high-intensitive viewing.
According to an aspect of the present invention, a kind of tablet computer projected color control method is provided, including plate electricity is provided
Brain projected color control system, the type based on the broadcasting content snooped in real time, it is determined whether play out content projection behaviour
Make, the tablet computer projected color control system includes:
Parameter setting device, for receiving the setting parameter to the projection mode of tablet computer, institute under the operation of user
Stating to the setting parameter of the projection mode of tablet computer includes automatic projection parameter and non-automatic projective parameter；
Equipment is tried to find out in broadcasting, is arranged on tablet computer, is carried out for the currently playing content type to tablet computer real
When try to find out, to obtain and export the broadcasting content type snooped in real time, the currently playing content type includes: audio, view
Frequently, e-book and image；
Content analysis apparatus is tried to find out equipment with the broadcasting and is connect, for receiving the broadcasting content snooped in real time
Type, and when the broadcasting content type snooped in real time is video or e-book, identification trigger signal is issued, is also used to
When the broadcasting content type snooped in real time is the other types of non-video and the non-electrical philosophical works, issue without recognizing letter
Number；
Starting device is shot, is connect with the Content analysis apparatus, for touching when receiving the identification trigger signal
The shooting part of tablet computer is sent out to shoot and obtain current scene image, be also used to receive it is described without identification signal
When, close the shooting part of tablet computer；
Resolution ratio detection device is connect with the shooting starting device, for receiving current scene image, to described current
Scene image executes maximum resolution detection, to obtain and export the maximum resolution；
Noise reducing apparatus is customized, is connect with the resolution ratio detection device, for receiving the maximum resolution, based on described
Maximum resolution determines corresponding noise reduction amplitude, and is executed at noise reduction based on determining noise reduction amplitude to the current scene image
Reason, to obtain and export corresponding noise reduction process image, wherein the maximum resolution is bigger, and noise reduction amplitude is smaller.
The present invention at least has following three important inventive points:
(1) type based on the broadcasting content snooped in real time, it is determined whether play out content projection operation, while base
In the background color that the color of user's selection, setting broadcasting content project；
(2) by the fining image procossing of signature analysis by column, the accuracy and efficiency of subsequent image identification be ensure that；
(3) the noise reduction amplitude customizing mechanism based on image maximum resolution is used, the noise reduction effect of image is improved.
Specific embodiment
Embodiment of the present invention will be described in detail below.
From the point of view of the development form in industry future, education is still industry future development pillar field.According to statistics,
Shared 12.91 ten thousand institute, kindergarten in the whole nation in 2017,39.42 ten thousand institute, primary school, 7.90 ten thousand institute of general high school, common medium universities and colleges 3047
Institute, 1778 institute, higher education school are equipped with a projector by each classroom and calculate, and according to related data display China, only education is gone
Industry market capacity is just up to 11,000,000 or more, and if calculating according to projection occupation rate, projector can account for 14%-28% or so
(not including market maintenance), and education market reality sales volume in 2014 is less than 500,000.
Secondly, the development in commercial projection market is also the key strength of left and right projector market development.Although Chinese commercial affairs
Projection market is extending rapidly, but according to related survey institute, it is expected that medium-sized and small enterprises quantity will keep 7%-8% in future
Growth rate, medium-sized and small enterprises sum in 2017 is up to 50,000,000, industry development Bright Prospect.In addition, it is just domestic at present and
Speech, wealthy family's quantity of million or more assets can achieve more than 200 ten thousand, quality for life of some elite, white collar, joy
The demand of happy equipment is larger, and the following household application market has a high potential.
In the prior art, since the light of the terminal devices such as tablet computer is excessively bright, be not suitable for watched for a long time and height
Intensity viewing, therefore, projection device can be used as the ancillary equipment of tablet computer, be replaced to the display screen of flat panel TV, so
And lack the effective scheme for realizing above-mentioned replacement operation in the prior art.
In order to overcome above-mentioned deficiency, the present invention has built a kind of tablet computer projected color control method, including provides flat
Plate computer-projector color control system, the type based on the broadcasting content snooped in real time, it is determined whether play out content throwing
Shadow operation.The tablet computer projected color control system can effectively extend tablet computer viewing time, while improve plate
The viewing intensity of computer.
The tablet computer projected color control system shown according to an embodiment of the present invention includes following equipment:
Parameter setting device, for receiving the setting parameter to the projection mode of tablet computer, institute under the operation of user
Stating to the setting parameter of the projection mode of tablet computer includes automatic projection parameter and non-automatic projective parameter；
Equipment is tried to find out in broadcasting, is arranged on tablet computer, is carried out for the currently playing content type to tablet computer real
When try to find out, to obtain and export the broadcasting content type snooped in real time, the currently playing content type includes: audio, view
Frequently, e-book and image.
Then, continue to carry out further the specific structure of tablet computer projected color control system of the invention
It is bright.
In the tablet computer projected color control system, further includes:
Content analysis apparatus is tried to find out equipment with the broadcasting and is connect, for receiving the broadcasting content snooped in real time
Type, and when the broadcasting content type snooped in real time is video or e-book, identification trigger signal is issued, is also used to
When the broadcasting content type snooped in real time is the other types of non-video and the non-electrical philosophical works, issue without recognizing letter
Number.
In the tablet computer projected color control system, further includes:
Starting device is shot, is connect with the Content analysis apparatus, for touching when receiving the identification trigger signal
The shooting part of tablet computer is sent out to shoot and obtain current scene image, be also used to receive it is described without identification signal
When, close the shooting part of tablet computer；
Resolution ratio detection device is connect with the shooting starting device, for receiving current scene image, to described current
Scene image executes maximum resolution detection, to obtain and export the maximum resolution；
Noise reducing apparatus is customized, is connect with the resolution ratio detection device, for receiving the maximum resolution, based on described
Maximum resolution determines corresponding noise reduction amplitude, and is executed at noise reduction based on determining noise reduction amplitude to the current scene image
Reason, to obtain and export corresponding noise reduction process image, wherein the maximum resolution is bigger, and noise reduction amplitude is smaller；
Column signature analysis equipment is connect with the customization noise reducing apparatus, for receiving the noise reduction process image, obtains institute
Red green color signal component value, black-white colors signal component value and the champac color component values of each pixel in noise reduction process image are stated, and
Pixel is carried out to export each pixel of each column to arrange the classification for index according to the ownership column of each pixel
Red green color signal component value, black-white colors signal component value and champac color component values；
Constituent analysis equipment is connect with the column signature analysis equipment, for each column each pixel execute with
Lower processing: red green color signal component value, black-white colors signal component value and the champac color component of each pixel in the column are calculated
The composition characteristics value of all pixels point in the column is added by the product of value with obtaining the composition characteristics value of each pixel
And divided by the vertical resolution of the noise reduction process image, exported the numerical value of acquisition as the column characteristic value of the column；
Suspicious column detection device is connect with the constituent analysis equipment, and column characteristic value is deviateed top column characteristic value recently
Reach the default column for deviateing threshold value with the average value of the nearest column characteristic value in lower section to export as suspicious column；
User discrimination equipment is connect with the suspicious column detection device, for all suspicious column combinations are suspicious to obtain
Subgraph, and the identification of user images feature is carried out to the suspicious subgraph, known with sending owner's identification signal or non-owner
Level signal；
Color set device is located on tablet computer, for receiving the projected color to projector under the operation of user
Input；
Projector is located on tablet computer, connect respectively with the color set device and the user discrimination equipment, uses
In when receiving owner's identification signal, using the projected color inputted by the color set device, to tablet computer
Broadcasting content carries out live fluoroscopic.
In the tablet computer projected color control system:
The projector is also used to when receiving non-owner's identification signal, keeps the liquid to the broadcasting content of tablet computer
Real-time display on crystal display device.
In the tablet computer projected color control system:
The parameter setting device is also used under the operation of user, is received the setting to the projection mode of tablet computer and is joined
Number；
Wherein, the setting parameter of the projection mode to tablet computer includes that parameter and asynchronous broadcasting ginseng is played simultaneously
Number.
In the tablet computer projected color control system:
The projector is also connect with the parameter setting device, for working as reception when receiving owner's identification signal
When parameter is played simultaneously, the liquid crystal display to the broadcasting content of tablet computer is kept to parameter setting device input
On real-time display while, live fluoroscopic is carried out to the broadcasting content of tablet computer.
And in the tablet computer projected color control system:
The projector is also used to when receiving owner's identification signal, when receiving parameter setting device input
It is right while termination to real-time display on the liquid crystal display of the broadcasting content of tablet computer when asynchronous play parameter
The broadcasting content of tablet computer carries out live fluoroscopic.
In addition, the tablet computer projected color control system can also include bluetooth communication interface, it is concurrent for receiving
Send owner's identification signal and the asynchronous play parameter from the parameter setting device.
Bluetooth is a kind of wireless technology standard, it can be achieved that short between fixed equipment, mobile device and building personal area network
Range data exchange (uses the UHF radio wave of the ISM band of 2.4-2.485GHz).Bluetooth technology is initially by telecommunications giant
Ericsson formulated in 1994, was the alternative solution as RS232 data line at that time.Bluetooth can connect multiple equipment, gram
The synchronous problem of data is taken.
Nowadays bluetooth is managed by bluetooth sig (Bluetooth Special Interest Group, abbreviation SIG).
Bluetooth sig has more than 25,000 member company in the whole world, they are distributed in telecommunications, computer, network and consumption
The multiple field such as electronics.Bluetooth technology is classified as IEEE802.15.1 by IEEE, but nowadays no longer maintains the standard.Bluetooth technology
Alliance is responsible for supervising the exploitation of Bluetooth specification, administrative authentication project, and safeguards trademark right.The equipment of manufacturer has to comply with indigo plant
The standard of tooth Technology-based Alliance could enter market with the name of " bluetooth equipment ".Bluetooth technology possesses a set of patent network, can send out
It puts to standard compliant equipment.
Using tablet computer projected color control system of the invention, use is unable to satisfy for tablet computer in the prior art
It the technical issues of head of a household's time and high-intensitive viewing demand, by the type based on the broadcasting content snooped in real time, determines
Content projection operation, while the color based on user's selection are whether played out, the background color that broadcasting content projects is set, especially
For importantly, also use the noise reduction amplitude customizing mechanism based on image maximum resolution, improve the noise reduction effect of image, with
And wherein use the fining image procossing based on signature analysis by column.
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, anything that does not depart from the technical scheme of the invention are 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 (4)
1. a kind of tablet computer projected color control method, including tablet computer projected color control system is provided, based on real-time
The type of the broadcasting content snooped, it is determined whether play out content projection operation, which is characterized in that the tablet computer is thrown
Shadow color control system includes:
Parameter setting device, it is described right under the operation of user, receiving the setting parameter to the projection mode of tablet computer
The setting parameter of the projection mode of tablet computer includes automatic projection parameter and non-automatic projective parameter；
Equipment is tried to find out in broadcasting, is arranged on tablet computer, is visited in real time for the currently playing content type to tablet computer
It listens, to obtain and export the broadcasting content type snooped in real time, the currently playing content type includes: audio, video, electricity
The philosophical works and image；
Content analysis apparatus is tried to find out equipment with the broadcasting and is connect, for receiving the broadcasting content type snooped in real time,
And when the broadcasting content type snooped in real time is video or e-book, identification trigger signal is issued, is also used in institute
When to state the broadcasting content type that snoops in real time be non-video and the other types of the non-electrical philosophical works, issue and be not necessarily to identification signal；
Starting device is shot, is connect with the Content analysis apparatus, for when receiving the identification trigger signal, triggering to be flat
The shooting part of plate computer to shoot and obtain current scene image, be also used to receive it is described without identification signal when, close
Close the shooting part of tablet computer；
Resolution ratio detection device is connect, for receiving current scene image, to the current scene with the shooting starting device
Image executes maximum resolution detection, to obtain and export the maximum resolution；
Noise reducing apparatus is customized, is connect with the resolution ratio detection device, for receiving the maximum resolution, is based on the maximum
Resolution ratio determines corresponding noise reduction amplitude, and executes noise reduction process to the current scene image based on determining noise reduction amplitude,
To obtain and export corresponding noise reduction process image, wherein the maximum resolution is bigger, and noise reduction amplitude is smaller；
Column signature analysis equipment connect with the customization noise reducing apparatus, for receiving the noise reduction process image, obtains the drop
It makes an uproar and handles red green color signal component value, black-white colors signal component value and the champac color component values of each pixel in image, and according to
The ownership column of each pixel carry out pixel to export the red green of each pixel of each column to arrange the classification for index
Color component values, black-white colors signal component value and champac color component values；
Constituent analysis equipment is connect with the column signature analysis equipment, executes following place for each pixel to each column
Reason: the red green color signal component value of each pixel in the column, black-white colors signal component value and champac color component values are calculated
Product is removed the composition characteristics value phase adduction of all pixels point in the column with obtaining the composition characteristics value of each pixel
With the vertical resolution of the noise reduction process image, exported the numerical value of acquisition as the column characteristic value of the column；
Suspicious column detection device is connect with the constituent analysis equipment, and column characteristic value is deviateed the nearest column characteristic value in top under
The average value of the nearest column characteristic value in side reaches the default column for deviateing threshold value and exports as suspicious column；
User discrimination equipment is connect with the suspicious column detection device, for combining all suspicious column to obtain suspicious subgraph
Picture, and the identification of user images feature is carried out to the suspicious subgraph, letter is identified to send owner's identification signal or non-owner
Number；
Color set device is located on tablet computer, for receiving to the defeated of the projected color of projector under the operation of user
Enter；
Projector is located on tablet computer, connect respectively with the color set device and the user discrimination equipment, is used for
Broadcasting when receiving owner's identification signal, using the projected color inputted by the color set device, to tablet computer
Content carries out live fluoroscopic；
The projector is also used to receiving owner's identification signal and receiving the non-same of the parameter setting device input
When walking play parameter, while termination to real-time display on the liquid crystal display of the broadcasting content of tablet computer, to plate
The broadcasting content of computer carries out live fluoroscopic.
2. the method as described in claim 1, it is characterised in that:
The projector is also used to when receiving non-owner's identification signal, keeps the liquid crystal to the broadcasting content of tablet computer
Show the real-time display in equipment.
3. method according to claim 2, it is characterised in that:
The parameter setting device is also used under the operation of user, receives the setting parameter to the projection mode of tablet computer；
Wherein, the setting parameter of the projection mode to tablet computer includes that parameter and asynchronous play parameter is played simultaneously.
4. method as claimed in claim 3, it is characterised in that:
The projector is also connect with the parameter setting device, for receiving owner's identification signal and receiving institute
When parameter is played simultaneously of parameter setting device input is stated, is kept on the liquid crystal display of the broadcasting content of tablet computer
While real-time display, live fluoroscopic is carried out to the broadcasting content of tablet computer.
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| CN201810161043.6A CN109429047B (en) | 2018-02-27 | 2018-02-27 | Method for controlling projection color of tablet personal computer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810161043.6A CN109429047B (en) | 2018-02-27 | 2018-02-27 | Method for controlling projection color of tablet personal computer |
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| CN109429047B true CN109429047B (en) | 2019-12-03 |
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| CN112367542A (en) * | 2020-10-21 | 2021-02-12 | 四川长虹电器股份有限公司 | Terminal playing system and method for mirror image screen projection |
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| CN201532516U (en) * | 2009-01-23 | 2010-07-21 | 上海三鑫科技发展有限公司 | Driving device and mini-type projector employing same |
| CN103197907B (en) * | 2013-03-15 | 2016-01-20 | 中标软件有限公司 | A kind of method realizing projection mode and switch under LINUX desktop operating system |
| CN103338342A (en) * | 2013-03-19 | 2013-10-02 | 卿婷 | Self-adaption projector |
| US9298988B2 (en) * | 2013-11-08 | 2016-03-29 | Analog Devices Global | Support vector machine based object detection system and associated method |
| CN105323521B (en) * | 2015-11-02 | 2018-11-09 | 苏州佳世达光电有限公司 | A kind of projected background color adjustment method, system and projection device |
| CN106445436A (en) * | 2016-08-29 | 2017-02-22 | 武汉启目科技有限公司 | Computer terminal screen projection control method |
| CN106254941A (en) * | 2016-10-10 | 2016-12-21 | 乐视控股（北京）有限公司 | Method for processing video frequency and device |
| CN107613049A (en) * | 2017-08-31 | 2018-01-19 | 河南首弘电子科技有限公司 | A kind of projection mobile phone and method for controlling projection of adjustable projected background color |
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