CN100553345C - A kind of color temperature adjusting method and system - Google Patents
A kind of color temperature adjusting method and system Download PDFInfo
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- CN100553345C CN100553345C CNB2006100362366A CN200610036236A CN100553345C CN 100553345 C CN100553345 C CN 100553345C CN B2006100362366 A CNB2006100362366 A CN B2006100362366A CN 200610036236 A CN200610036236 A CN 200610036236A CN 100553345 C CN100553345 C CN 100553345C
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Abstract
A kind of color temperature adjusting method and system, it is applied in the image capture unit, this color temperature adjusting method and system mainly see through logging modle when this image capture unit captures each image data, write down the acquisition time and the colour temperature of each image data, and by computing module when the non-first pick-up image data, the acquisition time according to this time institute picked image data that this logging modle write down reaches the last time acquisition time of institute's picked image data, calculate value blanking time of these two image datas, and through judge module judges that this computing module calculates blanking time value whether less than a scheduled time value, if, then concluding these two image datas is with a series of image datas, and the colour temperature of adding up each serial image data of concluding by adjusting module through this judge module, and, adjust the colour temperature of each serial image data according to the maximum colour temperature of the access times in each series.
Description
[technical field]
The present invention particularly will give color temperature adjusting method and the system that same colour temperature is set with many a series of image datas relevant for a kind of relevant for a kind of color temperature adjusting method and system.
[background technology]
Because electronic technology development rapidly, industry is constantly developed the electronic installation of tool image acquisition function of all kinds, for example the mobile phone of digital VTR, digital camera and tool camera function etc.Be example with the digital camera that generally uses, it has become the popular digital product of popularizing, more reaches because of low priceization gradually and the connectivity height of other peripheral electronic product, and makes digital camera replace traditional egative film formula camera.
For making the picked image data can reflect the script color of this object truly, for digital camera, just need to adopt the white balance technology, with the tone of other color of balance under coloured light, regardless of ambient light, this digital camera all is preset as colour temperature " white ", so as to, the photograph that this digital camera captured just can be correctly be that primary colours reduce other color with " white ".
Existing digital camera generally all has the function of Automatic white balance pattern and manual white balance mode.
Wherein, the Automatic white balance pattern is generally the preset state of digital camera, is provided with a baroque histogram in the digital camera, and it can determine the white balance datum mark in the picture, reaches the white balance adjustment with this.Therefore, the characteristics that Automatic white balance has is easy to use, accuracy rate is higher, but stability is not enough.
White objects such as main reference example of manual white balance mode such as blank sheet of paper are to carry out the colour temperature adjustment, and its accuracy is higher than the Automatic white balance pattern.
Generally speaking; the user can utilize digital camera to take many sheet photos continuously usually under same scene; and wish that these photographs can be used as and have identical colour temperature and set; but; digital camera is if adopt the Automatic white balance pattern, and then several different colour temperatures settings may appear in many sheet photos of taking continuously under this same scene, do not meet user's requirement; for this reason, cause the user to carry out manual white balance to this series of photographs again or otherwise adjust.And this series of photographs is distinctly carried out the manual white balance operation so that it has identical colour temperature and sets if need, it is very huge so not only to cause whole colour temperature to adjust the work operations amount, and, carry out the manual white balance operation repeatedly, operating process is very loaded down with trivial details, greatly influences the efficient that colour temperature is adjusted, and has again, as everyone knows, manual white balance is compared to Automatic white balance, and it adjusts complicated, requires also higher, for common user, have certain difficulty, inevitably, because of manual operation influences the accuracy that colour temperature is adjusted, for digital camera, do not meet the simple operation that digital camera is promised to undertake simultaneously, the aim of human nature service.
Therefore, how to provide a kind of the need can will be adjusted into the color temperature adjusting method and the system of same colour temperature automatically, become present industry problem demanding prompt solution then with the multiple pictures of a series of (for example captured) in Same Scene as above-mentioned numerous and diverse operating procedure.
[summary of the invention]
In view of the disappearance of above-mentioned prior art, main purpose of the present invention is to provide a kind of simplified operation and improves color temperature adjusting method and the system that colour temperature is adjusted efficient.
Another object of the present invention is to provide a kind of color temperature adjusting method and system that improves the correctness of adjusting colour temperature.
For reaching above-mentioned main and another purpose, the invention provides a kind of being applied in the image capture unit, in order to adjust the color temperature adjusting method of the colour temperature that sees through these image capture unit institute picked image data, this method comprises (1) when this image capture unit captures each image data, writes down the acquisition time and the colour temperature of each image data; (2) when non-first pick-up image data, the acquisition time according to this time institute picked image data reaches the last time acquisition time of institute's picked image data, calculate value blanking time of these two image datas, and judge that whether this value is less than the scheduled time value blanking time, if, then conclude these two image datas for a series of image datas, if not, then do not concluded; (3) add up the colour temperature of each serial image data, and, adjust the step of the colour temperature of each serial image data according to the maximum colour temperature of the access times in each series.
For reaching above-mentioned identical main and another purpose, the present invention also discloses a kind of being applied in the image capture unit, in order to adjust the colour temperature regulating system of the colour temperature that sees through these image capture unit institute picked image data, this system comprises in order to when this image capture unit captures each image data, writes down the acquisition time of each image data and the logging modle of colour temperature; In order to when the non-first pick-up image data, according to the acquisition time of this time institute picked image data that this logging modle write down and acquisition time of institute's picked image data last time, calculate these two image datas blanking time value computing module; In order to judge that this computing module calculates blanking time value whether less than a scheduled time value, if, then conclude these two image datas for a series of image datas, if not, the judge module of then not concluded; And the colour temperature of each serial image data of concluding through this judge module in order to statistics, and, adjust the adjusting module of the colour temperature of each serial image data according to the maximum colour temperature of the access times in each series.
Compared to prior art, color temperature adjusting method of the present invention and system, mainly utilize and be worth blanking time of adjacent two image datas the image data that judges whether to belong to a series of, and according to the maximum colour temperature of the access times in each series, adjust the colour temperature of each serial image data, reach above-mentioned main and another purpose.
[description of drawings]
Fig. 1 shows the embodiment basic framework block schematic diagram of colour temperature regulating system of the present invention.
Fig. 2 shows the embodiment basic procedure schematic diagram of color temperature adjusting method of the present invention.
[embodiment]
Below by particular specific embodiment explanation embodiments of the present invention, the personage who is familiar with this skill can understand other advantage of the present invention and effect easily by the content that this specification disclosed.The present invention also can be implemented or be used by other different specific embodiment, and the every details in this specification also can be carried out various modifications and change based on different viewpoints and application under not departing from spirit of the present invention.
See also Fig. 1, Fig. 1 is the embodiment basic framework block schematic diagram of colour temperature regulating system of the present invention.Colour temperature regulating system 1 of the present invention is applied in the image capture unit 20, in order to adjust the colour temperature that sees through 20 picked image data of image capture unit.In the present embodiment, image capture unit 20 for example is the mobile phone (cell phone) of digital VTR (DV), digital camera (digital camera), network camera (webcam), tool camera function or the PDA(Personal Digital Assistant) of tool camera function etc.As shown in the figure, this colour temperature regulating system 1 comprises setting module 10, logging modle 11, computing module 12, judge module 13 and adjusting module 14.
Below promptly elaborate at taking off each object on the colour temperature regulating system 1 of the present invention respectively:
Whether this setting module 10 preestablishes a scheduled time value in order to user 30 to be provided, being with a series of bases for estimation as adjacent two image datas.That is, only when the blanking time of acquisition time of adjacent two image datas value less than this during value scheduled time, then these adjacent two image datas of decidable are with a series of image datas.In the present embodiment, this setting module 10 also can provide user 30 to set the initial image data of each system with manual mode.This scheduled time value can be needed according to self and for example seen through input interface such as keyboard or contact panel and set up on their own by user 30, but not as limit, for example, its also can by image capture unit 20 before dispatching from the factory by operating habit the preestablish person of manufacturer according to user 30.
This logging modle 11 writes down the acquisition time and the colour temperature of each image data in order to when this image capture unit captures each image data.In the present embodiment, the acquisition time of this record and colour temperature can see through when image capture unit 20 stores for subsequent operation and use.
This computing module 12 is in order to when the non-first pick-up image data, the acquisition time of this time institute picked image data that write down according to this logging modle 11 and acquisition time of institute's picked image data last time, calculate value blanking time of these two image datas.In the present embodiment, computing module 12 acquisition time of acquisition time of this time institute picked image data being deducted institute's picked image data last time to obtain this of value blanking time.
This judge module 13 is in order to the scheduled time value that blanking time, whether value set by this setting module 10 less than user 30 in order to judge that this computing module 12 calculated, if, then conclude these two image datas for a series of image datas, if not, then do not concluded.In the present embodiment, if this blanking time value less than this during value scheduled time, can judge that then these adjacent two image datas are for a series of image datas; Anti-, if this blanking time value greater than this during value scheduled time, can judge that then these adjacent two image datas are not with a series of image datas, and with the first stroke image data of this image data as another new series.
The colour temperature of each serial image data that this adjusting module 14 is concluded through this judge module 13 in order to statistics, and, adjust the colour temperature of each serial image data according to the maximum colour temperature of the access times in each series.In the present embodiment, this adjusting module 14 sees through the colour temperature of adding up all the same a series of image datas that write down by this logging modle 11, and institute's number of applications is maximum in each series colour temperature set foundation as each image data in each series of adjustment, and, see through this adjusting module 14 and the colour temperature of all image datas of each series all is adjusted into this colour temperature sets, each image data of each series is all had with a kind of colour temperature.The display module 200 that sees through at last in this image capture unit 20 shows that those have seen through adjusting module 14 and have carried out the image data that colour temperature is adjusted, for each serial image data of the display preview of user 30 on this image capture unit 20.
As shown in Figure 2, Fig. 2 is for the colour temperature regulating system taken off on the correspondence and be applied in the image capture unit (its execution mode as the same colour temperature regulating system of taking off as described in content), in order to the embodiment basic procedure schematic diagram of the color temperature adjusting method of adjusting the colour temperature that sees through these image capture unit institute picked image data; This color temperature adjusting method comprises following implementation step:
At first,, see through setting module 10 by user 30 and preestablish a scheduled time value (its execution mode as the same colour temperature regulating system of taking off as described in content), whether being with a series of bases for estimation as adjacent two image datas at step S20.Then proceed to step S21.
At step S21, when these image capture unit 2 each image datas of acquisition, write down the acquisition time and the colour temperature of each image data.Then proceed to step S22.
At step S22, judge whether user 30 does not set the initial image data of each series with manual mode, if then proceed to step S24; If not, then proceed to step S23.
At step S23, according to the setting of this new range, with the first stroke image data of this image data as new range.Then proceed to step S24.
At step S24, when non-first pick-up image data,, calculate value blanking time of these two image datas according to the acquisition time of this time institute picked image data and acquisition time of institute's picked image data last time.Then proceed to step S25.
At step S25, whether judge this value less than a scheduled time value, if then conclude these two image datas for a series of image datas, and proceed to step S26 blanking time; Anti-, when being worth more than or equal to this scheduled time, then do not concluded as if this blanking time, that is, judge that these adjacent two image datas are not with a series of image datas, and return to step S23.
At step S26, add up the colour temperature of each serial image data, and according to the maximum colour temperature of the access times in each series, adjust the colour temperature of each serial image data, the display module 200 that sees through in this image capture unit 20 shows that those have seen through adjusting module 14 and have carried out the image data that colour temperature is adjusted, for each serial image data of the display preview of user 30 on this image capture unit 20.
In sum, color temperature adjusting method of the present invention and system, the main logging modle that sees through is when this image capture unit captures each image data, write down the acquisition time and the colour temperature of each image data, and by computing module when the non-first pick-up image data, the acquisition time according to this time institute picked image data that this logging modle write down reaches the last time acquisition time of institute's picked image data, calculate value blanking time of these two image datas, and through judge module judges that this computing module calculates blanking time value whether less than a scheduled time value, if, then concluding these two image datas is with a series of image datas, and the colour temperature of adding up each serial image data of concluding by adjusting module through this judge module, and according to the maximum colour temperature of the access times in each series, adjust the colour temperature of each serial image data, realize that whereby each serial image data all has identical colour temperature, to reach the purpose of automatic adjustment colour temperature, therefore, be worth the blanking time of adjacent two image datas of characteristic use of the present invention and judge whether it belongs to a series of image datas, and according to the maximum colour temperature of the access times in each series, adjust the colour temperature of each serial image data, the correctness that simplifies the operation according to this and improve colour temperature adjustment efficient and adjust colour temperature.
Compared to prior art, color temperature adjusting method of the present invention and system, need not to adjust mode by complicated operation and the higher manual colour temperature of difficulty, can be adjusted into serial image data fast and automatically with each image data that colour temperature in a series of is not quite similar with same colour temperature, even augment a large amount of image datas to be adjusted in the follow-up image capture operation, also must consuming timely not reach and carry out manual operation arduously, and then improve whole job schedule and efficient.Moreover, color temperature adjusting method of the present invention and system adopt automated manner, can avoid in the prior art colour temperature because of for example each image data that the manual mode operation caused the generation of human error such as to there are differences, thereby can't reach requirement with a series of same colour temperatures of image data tool.
Claims (8)
1, a kind of color temperature adjusting method, it is applied in the image capture unit, in order to adjust the colour temperature that sees through these image capture unit institute picked image data, it is characterized in that this color temperature adjusting method may further comprise the steps at least:
When this image capture unit captures each image data, write down the acquisition time and the colour temperature of each image data;
Set the initial image data of each series with manual mode; When non-first pick-up image data, the acquisition time according to this time institute picked image data reaches the last time acquisition time of institute's picked image data, calculate value blanking time of these two image datas, and judge that whether this value is less than the scheduled time value blanking time, if, then conclude these two image datas for a series of image datas, if not, then do not concluded;
Add up the colour temperature of each serial image data, and, adjust the colour temperature of each serial image data according to the maximum colour temperature of the access times in each series.
2, color temperature adjusting method according to claim 1 is characterized in that: this scheduled time value is preestablished by the user.
3, color temperature adjusting method according to claim 1 is characterized in that: this scheduled time value is a default value.
4, color temperature adjusting method according to claim 1 is characterized in that: this image capture unit be the mobile phone of digital VTR, digital camera, network camera, tool camera function and tool camera function personal digital assistant wherein one.
5, a kind of colour temperature regulating system, it is applied in the image capture unit, in order to adjust the colour temperature that sees through these image capture unit institute picked image data, it is characterized in that this colour temperature regulating system comprises:
Logging modle, it writes down the acquisition time and the colour temperature of each image data in order to when this image capture unit captures each image data;
Computing module, it is in order to when the non-first pick-up image data, according to the acquisition time of this time institute picked image data that this logging modle write down and acquisition time of institute's picked image data last time, calculates value blanking time of these two image datas;
Judge module, its in order to judge this computing module and calculate blanking time value whether less than a scheduled time value, if, then conclude these two image datas for a series of image datas, if not, then do not concluded;
Adjusting module, the colour temperature of each serial image data that it is concluded through this judge module in order to statistics, and, adjust the colour temperature of each serial image data according to the maximum colour temperature of the access times in each series;
One setting module, this setting module provide the user to set the initial image data of each series with manual mode.
6, colour temperature regulating system according to claim 5 is characterized in that: this scheduled time value sees through this setting module in advance by the user and sets.
7, colour temperature regulating system according to claim 5 is characterized in that: this scheduled time value is a default value.
8, colour temperature regulating system according to claim 5 is characterized in that: this image capture unit be the mobile phone of digital VTR, digital camera, network camera, tool camera function and tool camera function personal digital assistant wherein one.
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| CNB2006100362366A CN100553345C (en) | 2006-06-30 | 2006-06-30 | A kind of color temperature adjusting method and system |
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| CNB2006100362366A CN100553345C (en) | 2006-06-30 | 2006-06-30 | A kind of color temperature adjusting method and system |
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| JP6786850B2 (en) * | 2016-04-07 | 2020-11-18 | 富士ゼロックス株式会社 | Image processing equipment, image processing methods, image processing systems and programs |
| CN108234981A (en) * | 2018-03-09 | 2018-06-29 | 北京小米移动软件有限公司 | Color temperature adjusting method, device, equipment and storage medium |
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