CN107454393A - Television set white balance parameter method to set up - Google Patents
Television set white balance parameter method to set up Download PDFInfo
- Publication number
- CN107454393A CN107454393A CN201710866234.8A CN201710866234A CN107454393A CN 107454393 A CN107454393 A CN 107454393A CN 201710866234 A CN201710866234 A CN 201710866234A CN 107454393 A CN107454393 A CN 107454393A
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- television set
- deviant
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- yield value
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention discloses a kind of television set white balance parameter method to set up, including：First mode of learning step：The white balance initial value of setting is burnt in the television set for being arranged to preassigned pattern；Second mode of learning step：Read x values, y values, the Lv values of television set, and yield value and deviant relative to current yield value and current deviant closer to white point coordinates under the preassigned pattern are calculated using the x values of television set, y values, Lv values of reading, and the yield value calculated and deviant are burnt into back television set；The second mode of learning step is repeated, and stopping repeats the second mode of learning step when the yield value of white point coordinates and deviant under the current yield value of television set and current deviant are relative to the preassigned pattern meet predictive error scope.
Description
Technical field
The present invention relates to television set or display detection field, more particularly to a kind of television set white balance parameter setting side
Method.
Background technology
At present, Chinese television set manufacturing, when detection before being dispatched from the factory for the television set assembled,
Or detection one by one is carried out to each function of television set in streamline using worker.TV set intelligent has become main flow,
The TV almost produced now all carries the PORT COMs such as network interface and USB, provides condition for adjustment main frame and television communication, also allows
White balance adjust automatically is achieved.
Existing blank level adjustment is two ways, a kind of mode to manually adjust, the processing speed of this mode it is slow, it is necessary to
Stronger professional knowledge, can not batch operation；Another way is adjust automatically, and the adjustment time length of this mode, precision is not
Height, scope can not be determined to brightness adjustment, influence production efficiency.
Moreover, in the prior art, it is longer on the one hand to manually adjust the television set white balance time, on the other hand every TV
Machine all manually adjusts white balance, and each television screen has certain otherness, if the value of inside television white balance is all
It is the same, then the different situation of color occurs in the fully open same a series of paintings face of broadcasting in sales field.
In addition, on a production line, same production may first produce different types, will change two to three within one day sometimes
Kind type, because type is different, the screen that television set uses is different, so as to which different types of screen screen difference can be very big.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of television set and put down in vain
Weigh parameter setting method, and it can substitute producing line detection workman, for realize semi-automation producing line and full-automatic producing line provide can
Energy.
To achieve the above object, the invention provides a kind of television set white balance parameter method to set up, including：
First mode of learning step：The white balance initial value of setting is burnt to the television set for being arranged to preassigned pattern
In；
Second mode of learning step：X values, y values, the Lv values of television set are read, and utilizes the x values of the television set read, y
Value, Lv values calculate the gain relative to current yield value and current deviant closer to white point coordinates under the preassigned pattern
Value and deviant, and the yield value calculated and deviant are burnt into back television set；
Repeat the second mode of learning step, and the current yield value of television set and current deviant relative to
The yield value of white point coordinates and deviant meet to stop repeating the second study mould during predictive error scope under the preassigned pattern
Formula step.
Preferably, the television set white balance parameter method to set up also includes：
3rd mode of learning step：In the current yield value of television set and current deviant relative under the preassigned pattern
In the case that the yield value and deviant of white point coordinates meet predictive error scope, by the current yield value of television set and currently
Deviant is recorded into television set producing line configuration file, as white balance initial value.
Preferably, the number for repeating the second mode of learning step is no more than the first pre-determined number.
Preferably, the first pre-determined number is 15 times.
Preferably, when the number for repeating the second mode of learning step reaches the second pre-determined number, stop repeating to hold
Row the second mode of learning step.
Design, concrete structure and the caused technique effect of the present invention are described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
With reference to accompanying drawing, and by reference to following detailed description, it will more easily have more complete understanding to the present invention
And be more easily understood its with the advantages of and feature, wherein：
Fig. 1 is the flow chart according to the television set white balance parameter method to set up of first preferred embodiment of the invention.
Fig. 2 is the flow chart according to the television set white balance parameter method to set up of second preferred embodiment of the invention.
Fig. 3 is the flow chart according to the television set white balance parameter method to set up of third preferred embodiment of the invention.
It should be noted that accompanying drawing is used to illustrate the present invention, it is not intended to limit the present invention.Pay attention to, represent that the accompanying drawing of structure can
It can be not necessarily drawn to scale.Also, in accompanying drawing, same or similar element indicates same or similar label.
Embodiment
<First preferred embodiment>
Fig. 1 is the flow chart according to the television set white balance parameter method to set up of first preferred embodiment of the invention.
As shown in figure 1, included according to the television set white balance parameter method to set up of first preferred embodiment of the invention：
First step S11：Signal source is accessed into television set via netting twine, and is adjusted to the corresponding information source channel of television set
Under, the exclusive identification code of dispatching from the factory of television set is swept using barcode scanning gun；
Specifically, for example, first step S11 can artificially be performed by producing line worker.
Second step S12：Judge whether the television set belongs to new architecture according to the exclusive identification code that scanning obtains；
Specifically, for example, the new architecture refers to the type that producing line never produced.Or for example, new architecture
Refer to the type that producing line renewal (for example, having new instrument to reach the standard grade) did not produce afterwards.
Third step S13：Enter mode of learning program in the case where judging that the television set belongs to new architecture；
Four steps S14：Enter adjustment modes program in the case where judging that the television set is not belonging to new architecture.
As can be seen that blank level adjustment provided by the invention is divided into two algorithms or mode, the first algorithm or mode are
Mode of learning, it is new architecture of the producing line without production, because this type is new architecture, First belongs to test manufacture stage, institute
It is relatively slow (for example, about five minutes) with productive temp, to learn and adjusting the time that an optimized parameter provides abundance；Second
Algorithm or mode are adjustment modes, are that producing line produced, and pass through the algorithm of the present invention, and configuration text caused by mode of learning
Part, it quickly can accurately adjust television set white balance.
<Second preferred embodiment>
Fig. 2 is the television set white balance parameter method to set up based on mode of learning according to second preferred embodiment of the invention
Flow chart.The flow corresponds to third step S13 mode of learning program.
As shown in Fig. 2 set according to the television set white balance parameter based on mode of learning of second preferred embodiment of the invention
The method of putting includes：
First mode of learning step S21：The white balance initial value of setting is burnt to the TV for being arranged to preassigned pattern
In machine；
Second mode of learning step S22：X values, y values, the Lv values of reading television set, and the x values of the television set of utilization reading,
Y values, Lv values calculate the increasing relative to current yield value and current deviant closer to white point coordinates under the preassigned pattern
Benefit value and deviant, and the yield value calculated and deviant are burnt into back television set；
The second mode of learning step S22 is repeated, and in the current yield value of television set and current deviant phase
Yield value and deviant for white point coordinates under the preassigned pattern meet to stop repeating second during predictive error scope
Practise mode step S22.
Preferably, the number for repeating the second mode of learning step S22 is no more than the first pre-determined number.For example, first
Pre-determined number is 15 times.It is further preferred that reach second predetermined time in the number for repeating the second mode of learning step S22
During number, stopping repeats the second mode of learning step S22.
3rd mode of learning step S23：In the current yield value of television set and current deviant relative to the pre- cover half
In the case that the yield value of white point coordinates and deviant meet predictive error scope under formula, by the current yield value of television set and work as
Preceding deviant is recorded into television set producing line configuration file, as white balance initial value.
In specific example, such as following process steps can be performed：Signal source is inserted into television set, television set flows into inspection
Board is surveyed, television set is adjusted under preassigned pattern (such as " cool patterns ") by detection main frame by netting twine, detects host computer control
Signal source makes television set get a white field, will be burnt to by netting twine by the setting initial value of customer requirement in television set (logical
This normal value is the intermediate value of the adjustable scope of television set), afterwards using color analysis instrument (such as " CA310 ") to the x of television set
Value, y values, Lv values carry out reading, and these values are calculated, and draw an increasing closer to white point coordinates under the preassigned pattern
Benefit value (" Gain values ") and deviant (Offset values), and burn back television set and at this moment control color analysis instrument to enter television set again
X value of row, y values, Lv value readings, meet that error range then terminates, and otherwise circulate previous step and are until meeting error range
Only, if circulating 15 times has not in error range, report an error manual intervention.The yield value and deviant of learning success can directly be remembered
Record in television set producing line configuration file, called by later adjustment modes, other two patterns are identical with the preassigned pattern.
<Third preferred embodiment>
Fig. 3 is the television set white balance parameter method to set up based on adjustment modes according to third preferred embodiment of the invention
Flow chart.The flow corresponds to four steps S14 adjustment modes program.
As shown in figure 3, set according to the television set white balance parameter based on adjustment modes of third preferred embodiment of the invention
The method of putting includes：
First adjustment modes step S31：White balance initial value in television set producing line configuration file is burnt to and is set
For in the television set of preassigned pattern；
Second adjustment modes step S32：X values, y values, the Lv values of reading television set, and the x values of the television set of utilization reading,
Y values, Lv values calculate the increasing relative to current yield value and current deviant closer to white point coordinates under the preassigned pattern
Benefit value and deviant, and the yield value calculated and deviant are burnt into back television set；
The second adjustment modes step S32 is repeated, and in the current yield value of television set and current deviant phase
Yield value and deviant for white point coordinates under the preassigned pattern meet to stop repeating the second tune during predictive error scope
Integral pattern step S32.
Preferably, the number for repeating the second adjustment modes step S32 is no more than the second pre-determined number.For example, second
Pre-determined number is 2 times.It is further preferred that reach second predetermined time in the number for repeating the second adjustment modes step S32
During number, stopping repeats the second adjustment modes step S32.
3rd adjustment modes step S33：It is predetermined relative to this according to the current yield value of television set and current deviant
Whether the yield value of white point coordinates and deviant meet predictive error scope under pattern, perform and return to operation.
Specifically, in the 3rd adjustment modes step S33, the current yield value of television set and current deviant relative to
In the case that the yield value of white point coordinates and deviant meet predictive error scope under the preassigned pattern, return, which adjusts, successfully to be believed
Number.And for example, in the 3rd adjustment modes step S33, in the current yield value of television set and current deviant relative to this
In the case that the yield value of white point coordinates and deviant are unsatisfactory for predictive error scope under preassigned pattern, error signal is returned.
In specific example, such as following process steps can be performed：Signal source inserts television set, and television set flows into detection
Television set is adjusted under preassigned pattern (such as " cool patterns ") by board, detection main frame by netting twine, detection host computer control letter
Number source makes television set get a white field, by netting twine by the yield value (" Gain values ") and deviant in configuration file
(Offset values) is burnt in television set, carries out reading to the x values, y values, Lv values of television set using color analysis instrument afterwards, full
Sufficient error range then terminates, and is unsatisfactory for error range these then are worth into rear software algorithm being calculated, and draws closer
The yield value and deviant of white point coordinates under the preassigned pattern, and television set is burnt back, color analysis instrument is at this moment controlled again to electricity
An x value, y values, Lv value readings are carried out depending on machine, meets that error range then terminates, being unsatisfactory for error range will also continue to calculate more
Close to the yield value and deviant of the white point coordinates under the preassigned pattern, television set is burnt back again.Color analysis instrument is controlled to electricity
An x value, y values, Lv value readings are carried out depending on machine, judges whether in alignment error, then terminates in scope, do not returned then in scope
Adjustment failure, report an error manual intervention.Other two patterns are identical with the preassigned pattern.
In a word, as described above, in the prior art, it is longer on the one hand to manually adjust the television set white balance time, the opposing party
Every, face television set all manually adjusts white balance, and each television screen has certain otherness, if inside television is white
The value of balance is just as, then the different situation of color occurs in the fully open same a series of paintings face of broadcasting in sales field.For this
One problem, in order to ensure the color displays of every television set in a less scope, the present invention develop white balance from
Dynamic method of adjustment, compared to more existing algorithm, the new algorithm time is fast, and error is small, and can accomplish that producing line is frequently remodeled and also can guarantee that
Error amount is in the range of very little.
As described above, in the prior art, on a production line, same production may first produce different types, have
Shi Yitian will change two to three kinds of types, and because type is different, the screen that television set uses is different, so as to which different types of screen screen is poor
It is different can be very big；The present invention is accurately adjusted to white point coordinates, the present invention devises automatically to ensure that every kind of type can be quick
Mode of learning, solve the problems, such as to cause adjustment beat slow due to frequently remodeling.
The preferred embodiments of the present invention have shown and described in described above, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in the scope of the invention is set forth herein by the technology or knowledge of above-mentioned teaching or association area
It is dynamic., then all should be appended by the present invention and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In scope of the claims.
Claims (5)
- A kind of 1. television set white balance parameter method to set up, it is characterised in that including：First mode of learning step：The white balance initial value of setting is burnt in the television set for being arranged to preassigned pattern；Second mode of learning step：X values, y values, the Lv values of television set are read, and utilizes the x values, y values, Lv of the television set read Value calculating relative to current yield value and current deviant closer to the yield value of white point coordinates under the preassigned pattern and Deviant, and the yield value calculated and deviant are burnt into back television set；The second mode of learning step is repeated, and it is pre- relative to this in the current yield value of television set and current deviant The yield value of white point coordinates and deviant meet to stop repeating the second mode of learning step during predictive error scope under mould-fixed Suddenly.
- 2. television set white balance parameter method to set up as claimed in claim 1, it is characterised in that also include：3rd mode of learning step：The white point in the case where the current yield value of television set and current deviant are relative to the preassigned pattern In the case that the yield value and deviant of coordinate meet predictive error scope, by the current yield value of television set and current skew Value record is into television set producing line configuration file, as white balance initial value.
- 3. television set white balance parameter method to set up as claimed in claim 1 or 2, it is characterised in that repeat second The number for practising mode step is no more than the first pre-determined number.
- 4. television set white balance parameter method to set up as claimed in claim 3, it is characterised in that the first pre-determined number is 15 It is secondary.
- 5. television set white balance parameter method to set up as claimed in claim 3, it is characterised in that repeating the second study When the number of mode step reaches the second pre-determined number, stopping repeats the second mode of learning step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710866234.8A CN107454393B (en) | 2017-09-22 | 2017-09-22 | Method for setting white balance parameters of television |
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| CN201710866234.8A CN107454393B (en) | 2017-09-22 | 2017-09-22 | Method for setting white balance parameters of television |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114710654A (en) * | 2022-04-24 | 2022-07-05 | 安谋科技（中国）有限公司 | Image processing method, image processing device, readable storage medium and electronic equipment |
| CN115002436A (en) * | 2021-03-02 | 2022-09-02 | 广州视源电子科技股份有限公司 | White balance adjusting method, system, device and storage medium |
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| CN107454393B (en) | 2019-12-27 |
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