CN104813363A - Color modulation and real-time color modulation method - Google Patents
Color modulation and real-time color modulation method Download PDFInfo
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- CN104813363A CN104813363A CN201480002959.7A CN201480002959A CN104813363A CN 104813363 A CN104813363 A CN 104813363A CN 201480002959 A CN201480002959 A CN 201480002959A CN 104813363 A CN104813363 A CN 104813363A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
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Abstract
The present invention discloses a color modulation and a real-time color modulation method for conducting real-time color modulation for input images. The color modulation herein includes a Look Up Table (LUT) mapping unit, an obtaining module for obtaining 3D LUT data, an analysis module for analyzing the obtained 3D LUT data and determining if the obtained 3D LUT data qualifies preset conditions, and a display module for displaying the input images which have undergone a new LUT mapping, wherein if the obtained 3D LUT data qualifies, the obtained 3D LUT data will be updated to the LUT mapping unit and the new LUT mapping will be conducted; if not qualifies, the 3D LUT data will be abandoned.
Description
Technical field
The present invention relates to image procossing, particularly relate to a kind of toning monitor and real-time shading process.
Background technology
In motion picture technique digitized today, final projection is got from image, image can experience different systems, such as with the picture that digital camera is filmed, need to mix colours through tinting system, and then by film unit by photologging on film, project in screen finally by projection system.Each system has the color space of its uniqueness, and the performance of that is same image in different system is different, and the task of color management is exactly to understand the feature of these system color spaces, and the color space of different system is united.In simple terms, the consistance ensureing picture and the final screen image effect supervised in manufacturing process is needed exactly.
As a rule, the process of color management can be regarded as the process that color is changed between different color space.If do not corrected, the performance of same picture under different color space is widely different, and the picture that picture on a monitor and film-print are shown in screen has very big difference; Between different monitors and different exhibition environment all can there is visually significantly difference.From absolute sense, two color space systems are not had to be identical in the world.The effect of the color management system occurred in the market will reduce the vision difference of image on different medium and display device exactly as far as possible.Wherein most important content is exactly the picture of the monitor in numeral toning process and final film-print are united to the picture in screen, make them " look " more close, only in this way could provide the visual reference of relative " accurately " for toning personnel.And the conversion of this kind of color space has been mapped by LUT often.
It is the bridge connecting different color space in the process of color management that LUT maps.To LUT mapping block input value, LUT mapping block can return an output valve.Such as in the color space 1 of certain 10bit RGB, one is red is expressed as R=640, G=102, B=94, and this redly also exists in the color space 2 of another 10bitRGB, but be expressed as R=600, G=90, B=145, is so converted to the LUT mapping block of color space 2 at reading data R=640, G=102 by color space 1, after B=94, the value returned must be R=600, G=90, B=145.One of feature that LUT maps is exactly that it can carry out colour correction when not changing source document to different display devices, and the benefit done like this is exactly do not process raw video, also would not bring any loss to it; And do not change raw video, mean and save a large amount of render time.
LUT is divided into again 1D LUT and 3D LUT.3D LUT is suitable for accurate color calibration work very much, because it can process the problem of all display calibrations, from simple gamma value, color gamut and trace error, to revising senior non-linear attributes, color cross-talk (decoupling), form and aspect, saturation degree, brightness etc., essentially comprising the problem processing the display calibration likely occurred.
But the process that existing use 3D LUT carries out mixing colours is very complicated, usual needs additionally arrange a toning box and carry out toning process to 3D LUT data.In this kind of mode, include 3DLUT mapping block in monitor, toning box also includes 3D LUT mapping block, and the 3D LUT mapping block wherein in monitor is used for realizing color space and maps, and the 3D LUT mapping block in toning box is used as toning process.So, level of integrated system can be caused not high, and real-time toning cannot be realized.
Summary of the invention
In order to solve the problem, the embodiment of the present invention provides a kind of toning monitor and real-time shading process, and it can simplify tinting system, and realizes toning in real time.
In one embodiment, a kind of toning monitor is provided, for mixing colours in real time to input picture.A LUT map unit is comprised in described toning monitor.Described toning monitor also comprises: acquisition module, for obtaining 3D LUT data; Whether parsing module, conform to a predetermined condition for resolving obtained 3D LUT data, if met, then by obtained 3D LUT Data Update to described LUT map unit, and carries out new LUT mapping; If do not meet predetermined condition, then abandon described 3D LUT data; And display module, for showing the input picture after new LUT maps.
In another embodiment, a kind of shading process is in real time provided, for mixing colours in real time to input picture.Described real-time shading process comprises: obtain 3D LUT data; Whether the 3D LUT data received by parsing conform to a predetermined condition, if met, then upgrade the 3D LUT data received, and carry out new LUT mapping, if do not meet predetermined condition, then abandon described 3D LUT data; And the input picture of display after new LUT maps.
When adopting above-mentioned toning monitor, described 3D LUT data are sent to toning monitor after producing 3D LUT data by user operation end by user.By described parsing module and update module, by 3DLUT data real-time update in the LUT map unit of toning monitor inside, can namely realize by simple framework function of mixing colours in real time.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The functional block diagram of the toning monitor that Fig. 1 provides for first embodiment of the invention;
The functional block diagram of the toning monitor that Fig. 2 provides for second embodiment of the invention;
The process flow diagram of the real-time shading process that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, more detailed description is further done to technical scheme of the present invention.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all should belong to the scope of protection of the invention.
First embodiment
Refer to Fig. 1, the functional block diagram of its toning monitor 100 provided for first embodiment of the invention.Described toning monitor 100 is connected with a user operation end 200.Described toning monitor 100 has function of mixing colours in real time, and described function is used for mixing colours in real time to input picture.In the present embodiment, described user operation end 200 comprises toning software, and described toning software can be mixed colours software for PC software, Mac mix colours software, android system toning software or the WP of software, mobile phone (as iphone) that mix colours that mix colours.In other embodiments, described user operation end 200 can also be colour balance con-trol panel (specifically describing in the second embodiment).Certainly, user operation end 200 is not as limit, as long as the equipment that can export 3D LUT data all can be used as described user operation end 200.
Described user operation end 200 comprises 3D LUT data generating module 201 and sending module 202.Described 3D LUT data generating module 201, for the operation according to user, produces 3D LUT data.In the present embodiment, user is according to the toning demand of oneself, and the parameter in adjustment user operation end, makes user operation end can perform some algorithm (such as ACDL algorithm) to calculate described 3D LUT data.Input rgb value and the corresponding relation exporting rgb value is described in 3D LUT data.Described sending module 202 is for sending described 3D LUT data to described toning monitor 100.In the present embodiment, described sending module 202 sends described 3D LUT data to described toning monitor 100 by communication network.Be understandable that, described sending module 202 by Ethernet interface network, Wifi interface network, blue tooth interface network, USB interface network, serial interface network, thunder and lightning interface network and 1394 interface networks at least one of them person send described 3D LUT data.
Described toning monitor 100 comprises LUT map unit 10, receiver module 20, parsing module 30, responder module 40, update module 50 and display module 60.
The 3D LUT data that described receiver module 20 sends for receiving described user operation end 200.Corresponding, described receiver module 20 by Ethernet interface network, Wifi interface network, blue tooth interface network, USB interface network, serial interface network, thunder and lightning interface network and 1394 interface networks at least one of them person receive described 3D LUT data.
Whether described parsing module 30 conforms to a predetermined condition for resolving described 3D LUT data, if met, then by received 3D LUT Data Update to described LUT map unit 10, and carries out new LUT mapping; If do not meet predetermined condition, then abandon described 3D LUT data.It can thus be appreciated that namely one of them vital role of described parsing module 30 is the data error can avoided because Internet Transmission mistake causes.Concrete, the data layout of the 3D LUT data received, data length and/or data check information and the respective conditions preset can compare by described parsing module 30, if matched, then analysis result is for conforming to a predetermined condition, if do not mated, then analysis result is not for meeting predetermined condition.Described LUT map unit 10 can be realized by FPGA, also can be realized by ASIC, can external storage equipment, also can not external storage equipment.In the present embodiment, FPGA is adopted to realize described LUT map unit 10.
Described responder module 40 is for feeding back to described user operation end by the analysis result of described parsing module 30.In the present embodiment, the response message that described responder module 40 feeds back is " receiving data correct " or " reception error in data ".Concrete, the information that when analysis result is for conforming to a predetermined condition, described responder module 40 feeds back " receiving data correct ", when analysis result is not for meeting predetermined condition, described responder module 40 feeds back the information of " reception error in data ".
Described update module 50 is connected between described parsing module 30 and described LUT map unit 10.When analysis result be conform to a predetermined condition time, up-to-date 3D LUT data are sent to described update module 50 by described parsing module 30, and described 3D LUT Data Update to described LUT map unit 10, maps to carry out new 3D LUT by described update module 50.After renewal completes, user can the change of chroma video in Real Time Observation to toning monitor 100 screen.
Described display module 60, for the analysis result according to described parsing module 30, shows the input picture after new 3DLUT maps.Concrete, described display module 60 is connected with LUT map unit 10, to make described display module 60 from the input picture of described LUT map unit 10 Real-time Obtaining after new 3D LUT mapping, and shows.
In other embodiments, described display module 60 also can be connected with described update module 50 and/or LUT map unit 10, when described analysis result is for conforming to a predetermined condition, described update module 50 outputs control signals to described display module 60, to make described display module 60 obtain the input picture after new 3D LUT maps from described LUT map unit 10, and show.
When adopting above-mentioned toning monitor 100, after user produces 3D LUT data by user operation end 200, described 3D LUT data are sent to toning monitor 100.By described parsing and more New function, by correct 3D LUT data real-time update in the LUT map unit 10 of toning monitor 100 inside, can namely realize by simple framework function of mixing colours in real time.
Second embodiment
Refer to Fig. 2, the tinting system 200a that second embodiment of the invention provides is substantially identical with the toning monitor 200 that the first embodiment provides, its difference is: described user operation end 200a comprises colour balance con-trol panel 203, and described 3D LUT data generating module 201a is integrated in toning monitor 100a.Described colour balance con-trol panel 203 connects described toning monitor 100a by USB data line.
Concrete, described toning monitor 100a comprises 3D LUT data generating module 201a, update module 50a and display module 60a.
Described 3D LUT data generating module 201a is used for the signal that colour balance con-trol panel 203 transmits, and produces 3DLUT data.Described colour balance con-trol panel can be keyboard and/or mouse.In the present embodiment, user is according to the toning demand of oneself, the operation roller of colour balance con-trol panel 203 or slider bar or button, described 3D LUT data generating module 201a reads the described roller of colour balance con-trol panel 203 or slider bar or key information in real time, and produces described 3D LUT data according to special algorithm.
Described update module 50a is connected between described 3D LUT data generating module 201a and LUT map unit 10a, for by received 3D LUT Data Update in described LUT map unit 10a, and carry out new 3D LUT and map.Described display module 60a is for showing the input picture after new 3D LUT maps.Described update module 50a is identical with the update module in the first embodiment and display module difference with the principle of work of described display module 60a, therefore repeats no more.It should be noted that, similar with the first embodiment, in other embodiments, described display module 60a also can be connected with described update module 50a and/or LUT map unit 10a, when described analysis result is for conforming to a predetermined condition, described update module 50a outputs control signals to described display module 60a, to make described display module 60a obtain the input picture after new 3D LUT maps from described LUT map unit 10a, and shows.
Toning monitor 100a in described second embodiment directly produces described 3D LUT data and upgrades, more convenient.
Be understandable that, also parsing module (not shown) can be provided with in toning monitor 100a in described second embodiment, whether the 3D LUT data produced for resolving described 3D LUT data generating module 201a conform to a predetermined condition, if met, then by received 3D LUT Data Update to described LUT map unit 10a, and carry out new LUT mapping; If do not meet predetermined condition, then abandon described 3D LUT data.Now, by being, the effect of described parsing module ensures that described 3D LUT data generating module 201a can produce correct 3D LUT data.
Refer to Fig. 3, it is the process flow diagram of a kind of real-time shading process provided by the invention.Described real-time shading process comprises the following steps:
Step S301: connect user operation end.In the present embodiment, by Ethernet interface network, Wifi interface network, blue tooth interface network, USB interface network, serial interface network, thunder and lightning interface network and 1394 interface networks at least one of them person be connected described user operation end.Described user operation end 200 comprises toning software, and described toning software can be mixed colours software for PC software, Mac mix colours software, android system toning software or the WP of software, mobile phone (as iphone) that mix colours that mix colours.In other embodiments, described user operation end 200 can also be colour balance con-trol panel.In this embodiment, connect described user operation end by USB connecting line.Certainly, user operation end 200 not as limit, as long as can provide accurate and the equipment of the convenient human-computer interaction function controlled all can be used as described user operation end 200.
Step S303: obtain 3D LUT data according to user operation.In the present embodiment, after user operates described toning software, receive the 3D LUT data that described user operation end 200 sends.Corresponding, can by Ethernet interface network, Wifi interface network, blue tooth interface network, USB interface network, serial interface network, thunder and lightning interface network and 1394 interface networks at least one of them person obtain described 3D LUT data.In another embodiment, when user operates colour balance con-trol panel, in described toning monitor, generate described 3D LUT data.
Step S305: resolve described 3D LUT data and whether conform to a predetermined condition, if met, then performs step S307: upgrade the 3D LUT data that obtain, and carries out new 3D LUT and map; If do not meet predetermined condition, then perform step S309: abandon described 3D LUT data.Concrete, during parsing, the data layout of the 3D LUT data received, data length and/or data check information and the respective conditions preset can be compared, if matched, then analysis result is for conforming to a predetermined condition, if do not mated, then analysis result is not for meeting predetermined condition.
Step S311: analysis result is fed back to described user operation end, is confirmed whether to readjust described 3D LUT data for user.In the present embodiment, the response message fed back is " receiving data correct " or " reception error in data ", when analysis result is for conforming to a predetermined condition, and the information that feedback " receives data correct ", when analysis result is not for meeting predetermined condition, the information of feedback " reception error in data ".Now, user needs to readjust described 3D LUT data.
Step S313: show the input picture after new 3D LUT maps.
It should be noted that the present invention does not limit the execution sequence of each step.
Adopt the tinting system of above-mentioned toning monitor and real-time shading process, user is by user operation end generation 3D LUT data or after directly producing 3D LUT data in toning monitor, by 3D LUT data real-time update in LUT map unit, and show in real time.Therefore, can realize by simple framework function of mixing colours in real time.
It should be noted that, through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, and can certainly all be implemented by hardware.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
The above disclosed preferred embodiment be only in the embodiment of the present invention, certainly can not limit the interest field of the present invention, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained with this.
Claims (10)
1. a toning monitor, for mixing colours in real time to input picture, comprising a LUT map unit, it is characterized in that in described toning monitor, described toning monitor also comprises:
Acquisition module, for obtaining 3D LUT data;
Whether parsing module, conform to a predetermined condition for resolving obtained 3D LUT data, if met, then by obtained 3D LUT Data Update to described LUT map unit, and carries out new LUT mapping; If do not meet predetermined condition, then abandon described 3D LUT data; And
Display module, for showing the input picture after new LUT maps.
2. mix colours as claimed in claim 1 monitor, described toning monitor comprises further:
Responder module, for the analysis result of described parsing module is fed back to a user operation end, is confirmed whether to readjust described 3D LUT data for user.
3. to mix colours as claimed in claim 2 monitor, it is characterized in that, described parsing module is used for the data layout of the 3D LUT data received, data length and/or data check information and the respective conditions preset to compare, if matched, then analysis result is for conforming to a predetermined condition, and described responder module returns the response message of " receiving data correct ", if do not mated, then analysis result is not for meeting predetermined condition, and described responder module returns the response message of " reception error in data ".
4. to mix colours as claimed in claim 1 monitor, it is characterized in that, comprise update module further, described update module is connected between described parsing module and described LUT map unit, and described update module is used in obtained 3D LUT Data Update to described LUT map unit.
5. to mix colours as claimed in claim 1 monitor, it is characterized in that, described toning monitor by Ethernet interface network, Wifi interface network, blue tooth interface network, USB interface network, serial interface network, thunder and lightning interface network and 1394 interface networks at least one of them person receive described 3D LUT data from a user operation termination.
6. the toning monitor as described in claim 2 or 5, is characterized in that, described user operation end comprises toning software, and described toning software is PC toning software, Mac mixes colours software, mobile phone toning software, android system toning software or WP toning software.
7. to mix colours as claimed in claim 1 monitor, also comprise a 3D LUT data generating module, described toning monitor receives user operation parameter from a user operation termination, and described 3D LUT data generating module produces described 3D LUT data according to described user operation parameter.
8. a real-time shading process, for mixing colours in real time to input picture, described real-time shading process comprises:
Obtain 3D LUT data;
Whether the 3D LUT data received by parsing conform to a predetermined condition, if met, then upgrade the 3D LUT data received, and carry out new LUT mapping, if do not meet predetermined condition, then abandon described 3DLUT data; And
Show the input picture after new LUT maps.
9. shading process in real time as claimed in claim 8, comprises step further:
Analysis result is fed back to a user operation end, be confirmed whether to readjust described 3D LUT data for user.
10. shading process in real time as claimed in claim 8, it is characterized in that, the step whether the 3D LUT data received by described parsing conform to a predetermined condition comprises:
The data layout of the 3D LUT data received, data length and/or data check information and the respective conditions preset are compared;
If matched, then analysis result is for conforming to a predetermined condition, and returns the response message of " receiving data correct ";
If do not mated, then analysis result is not for meeting predetermined condition, and returns the response message of " reception error in data ".
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| CN202110482505.6A CN113096615B (en) | 2014-11-28 | 2014-11-28 | Color matching monitor and color matching method |
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| PCT/CN2014/092432 WO2016082173A1 (en) | 2014-11-28 | 2014-11-28 | Toning monitor and real-time toning method |
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| CN107577402A (en) * | 2017-09-12 | 2018-01-12 | 北京强氧新科信息技术有限公司 | Control method and control device |
| CN112530382A (en) * | 2019-09-19 | 2021-03-19 | 华为技术有限公司 | Method and device for adjusting picture color of electronic equipment |
| CN115798374A (en) * | 2022-11-15 | 2023-03-14 | 深圳市尊正数字视频有限公司 | System and method for carrying out on-site real-time color matching based on BoxIO |
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| CN116760958B (en) * | 2023-08-22 | 2023-12-19 | 北京象帝先计算技术有限公司 | Image processing apparatus, system, component, device, and method |
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Also Published As
| Publication number | Publication date |
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| WO2016082173A1 (en) | 2016-06-02 |
| CN113096615A (en) | 2021-07-09 |
| CN113096615B (en) | 2022-11-18 |
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