WO2017016164A1 - 色域模式切换方法及装置 - Google Patents

色域模式切换方法及装置 Download PDF

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Publication number
WO2017016164A1
WO2017016164A1 PCT/CN2015/099006 CN2015099006W WO2017016164A1 WO 2017016164 A1 WO2017016164 A1 WO 2017016164A1 CN 2015099006 W CN2015099006 W CN 2015099006W WO 2017016164 A1 WO2017016164 A1 WO 2017016164A1
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WIPO (PCT)
Prior art keywords
picture
color gamut
displayed
mode
gamut mode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/099006
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English (en)
French (fr)
Inventor
李国盛
刘安昱
肖政东
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Xiaomi Inc
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Xiaomi Inc
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Filing date
Publication date
Application filed by Xiaomi Inc filed Critical Xiaomi Inc
Priority to KR1020167004876A priority Critical patent/KR101831077B1/ko
Priority to JP2017530399A priority patent/JP6363299B2/ja
Priority to MX2016002522A priority patent/MX363647B/es
Priority to RU2016106661A priority patent/RU2630167C1/ru
Publication of WO2017016164A1 publication Critical patent/WO2017016164A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2003—Display of colours
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/8707—Regeneration of colour television signals using a demodulator and a remodulator, e.g. for standard conversion
    • 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
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • H04N1/6063—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut dependent on the contents of the image to be reproduced
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/20—Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
    • 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
    • H04N9/642—Multi-standard 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
    • H04N9/67—Circuits for processing colour signals for matrixing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/06—Colour space transformation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a color gamut mode switching method and apparatus.
  • Color Gamut refers to the range of colors that can be expressed by a certain device, that is, the range of colors that can be expressed by various screen display devices, printers, or printing devices. At present, the color gamut of mobile terminals such as mobile phone screens is getting higher and higher, and some color coverage is even higher than 100% of the color range set by the National Television Standards Committee (NTSC).
  • NTSC National Television Standards Committee
  • the current standard color gamut of Internet transmission is standard Red Green Blue (sRGB).
  • the color gamut of sRGB is 70.8% of the color range established by NTSC.
  • Most of the images generated by cameras or cameras are also this gamut space.
  • users need to obtain different display effects of browsing pictures for different needs. For example, when browsing the clothes of the online shopping mall, the color of the picture or the photo of the clothes may be distorted. If the color gamut is not switched, the picture seen by the user is color. Distorted picture. Therefore, different color gamut modes need to be determined according to different needs of users.
  • Embodiments of the present disclosure provide a color gamut mode switching method and apparatus to implement different color gamut modes for different pictures.
  • a color gamut mode switching method including:
  • the current color gamut mode is switched to a color gamut mode that matches the picture type to which the picture to be displayed belongs.
  • the determining the type of the picture to which the picture to be displayed belongs includes:
  • the determining, according to the frequency information of the to-be-displayed image, the type of the image to which the to-be-displayed image belongs includes:
  • the picture type includes a natural picture and a composite picture, and a ratio of the same frequency information in the natural picture is lower than the preset a threshold, a ratio of the same frequency information in the composite picture being higher than the preset threshold.
  • Color gamut mode including:
  • the picture type to which the picture to be displayed belongs is a natural picture
  • the current color gamut mode is a wide color gamut mode
  • the wide color gamut mode is switched to be associated with the to-be-displayed picture.
  • the picture type matches the standard red, green and blue sRGB mode; or
  • the current color gamut mode is In the sRGB mode, it is determined that the two do not match, and the sRGB mode is switched to a wide color gamut mode that matches the picture type to which the picture to be displayed belongs.
  • the method further includes:
  • the RGB mode is switched to the sRGB mode that matches the picture type to which the picture to be displayed belongs, if the picture type to which the currently obtained picture to be displayed belongs is a composite picture, the sRGB mode is adopted. Switch back to the wide gamut mode.
  • the method further includes:
  • the sRGB mode is switched to the wide color gamut mode that matches the picture type to which the picture to be displayed belongs, if the picture type to which the currently obtained picture to be displayed belongs is determined to be a natural photo, the color is The domain mode switches back to the sRGB mode.
  • a color gamut mode switching apparatus including:
  • a picture obtaining module configured to obtain a picture to be displayed
  • a determining module configured to determine a picture type to which the picture to be displayed obtained by the picture obtaining module belongs
  • a mode obtaining module configured to obtain a current color gamut mode currently adopted by the terminal, each color gamut mode having a picture type matched thereto;
  • the switching module is configured to switch the current color gamut mode to and if the picture type of the to-be-displayed picture determined by the determining module does not match the current color gamut mode obtained by the mode obtaining module The color gamut mode in which the picture type to which the picture to be displayed belongs matches.
  • the determining module is configured to:
  • the determining module comprises:
  • a transform submodule configured to perform a Fourier transform on the picture to be displayed to obtain the frequency information
  • Determining a sub-module configured to determine, according to the relationship between the frequency information obtained by the transformation sub-module and a preset threshold, a picture type to which the picture to be displayed belongs, the picture type including natural a picture and a composite picture, wherein a ratio of the same frequency information in the natural picture is lower than the preset threshold, and a ratio of the same frequency information in the composite picture is higher than the preset threshold.
  • the switching module includes:
  • the first switching sub-module is configured to: when the picture type to which the picture to be displayed belongs is a natural picture, when the current color gamut mode is a wide color gamut mode, determine that the two do not match, and the wide color gamut mode Switching to a standard red, green, and blue sRGB mode that matches the picture type to which the picture to be displayed belongs; or
  • the second switching sub-module is configured to: when the picture type to which the picture to be displayed belongs is a composite picture, when the current color gamut mode is the sRGB mode, determine that the two do not match, and switch the sRGB mode to A wide color gamut mode that matches the type of picture to which the displayed picture belongs.
  • the switching module further includes:
  • a third switching sub-module configured to: after the first switching sub-module switches the gamut mode to an sRGB mode that matches a picture type to which the picture to be displayed belongs, if the currently obtained picture to be displayed is determined The associated picture type is a composite picture, and the sRGB mode is switched back to the wide color gamut mode.
  • the switching module further includes:
  • a fourth switching sub-module configured to: after the second switching sub-module switches the sRGB mode to a wide color gamut mode that matches a picture type to which the picture to be displayed belongs, if the currently obtained picture to be displayed is determined The associated picture type is a natural photo, and the wide color gamut mode is switched back to the sRGB mode.
  • a color gamut mode switching apparatus including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the current color gamut mode is switched to a color gamut mode that matches the picture type to which the picture to be displayed belongs.
  • the technical solution provided by the embodiment of the present disclosure may include the following beneficial effects: determining the type of the picture to which the picture to be displayed belongs by obtaining the picture to be displayed, and switching the current color gamut mode to when the picture type does not match the current color gamut mode.
  • the color gamut mode matching the picture type to which the picture to be displayed belongs, the entire switching process is automatically implemented, and the user does not need professional knowledge and is easy to implement.
  • the picture is displayed according to the picture type using the matched color gamut mode, so that the displayed picture has The color desired by the user improves the user experience.
  • FIG. 1 is a flowchart of a color gamut mode switching method according to an exemplary embodiment.
  • 2a is a schematic diagram of a composite photo, according to an exemplary embodiment.
  • 2b is a schematic diagram of another composite photo, according to an exemplary embodiment.
  • FIG. 3 is a scene diagram of a color gamut mode switching method according to an exemplary embodiment.
  • FIG. 4 is a flowchart of another color gamut mode switching method according to an exemplary embodiment.
  • FIG. 5 is a flowchart of another color gamut mode switching method according to an exemplary embodiment.
  • FIG. 6 is a flowchart of still another color gamut mode switching method according to an exemplary embodiment.
  • FIG. 7 is a flowchart of still another color gamut mode switching method according to an exemplary embodiment.
  • FIG. 8 is a block diagram of a color gamut mode switching apparatus, according to an exemplary embodiment.
  • FIG. 9 is a block diagram of another color gamut mode switching apparatus, according to an exemplary embodiment.
  • FIG. 10a is a block diagram of still another color gamut mode switching apparatus according to an exemplary embodiment.
  • FIG. 10b is a block diagram of still another color gamut mode switching apparatus according to an exemplary embodiment.
  • FIG. 11a is a block diagram of still another color gamut mode switching apparatus, according to an exemplary embodiment.
  • FIG. 11b is a block diagram of still another color gamut mode switching apparatus according to an exemplary embodiment.
  • FIG. 12 is a block diagram of a color gamut mode switching device, according to an exemplary embodiment.
  • FIG. 1 is a flowchart of a color gamut mode switching method according to an exemplary embodiment. As shown in FIG. 1 , the color gamut mode switching method can be applied to a mobile phone, a tablet, etc., and the embodiment may include The following steps S100-S103:
  • step S100 a picture to be displayed is obtained.
  • the terminal may obtain a picture to be displayed from the server, or obtain a picture to be displayed locally. For example, when the user clicks to view a certain piece of clothing in the online mall, the terminal can obtain a picture of the clothes to be displayed returned by the server. For another example, when the user clicks to view a locally saved picture, the terminal can obtain the picture from the local album.
  • step S101 it is determined that the picture type to which the picture to be displayed belongs.
  • the above picture type may include a natural picture and a composite picture.
  • the natural picture is characterized by irregular grayscale values of the image image, and the adjacent pixel grayscale values of the composite image have obvious features, such as gradation, the same or a fixed-size jump, etc., as shown in Fig. 2a.
  • the pictures shown in -2b are composite photos, and their adjacent pixel grayscale values are compared. Obvious features.
  • the Fourier transform of the image can transform the gray distribution function of the image into a frequency distribution function.
  • the frequency information obtained by Fourier transform is random, and there is no obvious law, that is, the ratio of the same frequency information is lower than the preset threshold.
  • the proportion of the same frequency information is higher than a preset threshold. Therefore, the type of the picture to which the picture to be displayed belongs can be determined based on the frequency information of the picture to be displayed.
  • performing Fourier transform on the displayed picture to obtain frequency information of the picture to be displayed and then determining whether the picture to be displayed is a natural picture or a composite picture according to the relationship between the frequency information and the preset threshold.
  • step S102 the current color gamut mode currently adopted by the terminal is obtained, and each color gamut mode has a picture type matched thereto.
  • the terminal can support the wide color gamut mode as well as the sRGB mode. This step needs to determine the current gamut mode currently used by the terminal.
  • the matching picture type is a composite picture, and for the sRGB mode, the matching picture type is a natural picture.
  • step S103 if the picture type to which the picture to be displayed belongs does not match the current color gamut mode, the current color gamut mode is switched to the color gamut mode that matches the picture type to which the picture to be displayed belongs.
  • the picture type to which the picture to be displayed belongs is matched with the current color gamut mode. If the two do not match, the current color gamut mode is switched to the color gamut mode that matches the picture type to which the picture to be displayed belongs. If the two match, there is no need to switch the gamut mode.
  • the wide gamut mode can be switched to the sRGB mode.
  • the sRGB mode can be switched to the wide color gamut mode.
  • the user uses the mobile phone 31 to browse the clothes of an online shopping mall such as Huawei Mall, and when the user is interested in a certain clothing, he can click
  • the mobile phone 31 sends a request to the server 32 of the online shopping mall, and the server 32 returns a page containing the clothes picture according to the request, and after the mobile phone 31 obtains the clothes picture, determines that the clothes picture is a natural picture.
  • the color gamut mode currently adopted by the mobile phone 31 is a wide color gamut mode.
  • the natural picture is a real picture in nature, it is as accurate as possible, that is, the user wants to see the clothes without color difference, and the mobile phone 31 determines the natural picture.
  • the wide color gamut mode is switched to the sRGB mode, and then the switched sRGB mode is used to display the clothes picture.
  • the displayed clothes picture has no color difference, which can provide a basis for the user to purchase the clothes. Improve the user experience.
  • the image type to be displayed is determined by obtaining a picture to be displayed, and when the picture type does not match the current color gamut mode, the current color gamut mode is switched to be associated with the picture to be displayed.
  • the gamut mode of the picture type matching the entire switching process is automatically implemented, does not require the user to have professional knowledge, and is easy to implement.
  • the matching gamut mode is used to display the picture, so that the displayed picture has the color desired by the user, and the picture is improved. The user experience.
  • FIG. 4 is a flowchart of another color gamut mode switching method according to an exemplary embodiment. The method is applied to a mobile phone, and the color gamut mode currently adopted by the mobile phone is a wide color gamut mode, as shown in FIG. 4 .
  • the gamut mode switching method includes:
  • step S401 a picture to be displayed is obtained.
  • step S402 a Fourier transform is performed on the picture to be displayed to obtain frequency information of the picture to be displayed.
  • step S403 it is determined whether the picture to be displayed belongs to the natural picture or the composite picture according to the relationship between the frequency information of the picture to be displayed and the preset threshold. If it belongs to the natural picture, step S404 is performed, and if it belongs to the synthesized picture, step S405 is performed.
  • step S404 the wide color gamut mode is switched to the sRGB mode, and the picture to be displayed is displayed in the sRGB mode.
  • step S405 the picture to be displayed is displayed in a wide color gamut mode.
  • the embodiment of the gamut mode switching method is performed by performing a Fourier transform on the picture to be displayed to obtain the frequency information of the picture to be displayed, and determining the picture type to which the picture to be displayed belongs according to the relationship between the frequency information of the picture to be displayed and the preset threshold.
  • the wide color gamut mode is switched to the sRGB mode.
  • FIG. 5 is a flowchart of another color gamut mode switching method according to an exemplary embodiment. As shown in FIG. 5, after step S404, the method may further include:
  • step S406 a picture is obtained locally.
  • step S407 it is determined that the picture is a composite picture, the sRGB mode is switched back to the wide color gamut mode, and the picture is displayed in a wide color gamut mode.
  • the sRGB mode is switched back to the wide color gamut mode, and the picture is displayed in a wide color gamut mode, so that the displayed picture has a vivid color, thereby improving the user.
  • the feeling of use after determining that the picture is a composite picture, the sRGB mode is switched back to the wide color gamut mode, and the picture is displayed in a wide color gamut mode, so that the displayed picture has a vivid color, thereby improving the user. The feeling of use.
  • FIG. 6 is a flowchart of still another color gamut mode switching method according to an exemplary embodiment. The method is applied to a mobile phone, and the color gamut mode currently adopted by the mobile phone is an sRGB mode, as shown in FIG. Domain mode switching methods include:
  • step S601 a picture to be displayed is obtained.
  • step S602 the picture to be displayed is Fourier transformed to obtain frequency information of the picture to be displayed.
  • step S603 it is determined whether the picture to be displayed belongs to the natural picture or the composite picture according to the relationship between the frequency information of the picture to be displayed and the preset threshold. If the picture belongs to the natural picture, step S604 is performed, and if it belongs to the synthesized picture, step S605 is performed.
  • step S604 the picture to be displayed is displayed in the sRGB mode.
  • step S605 the sRGB mode is switched to the wide color gamut mode, and the wide color gamut mode is used. The image is waiting to be displayed.
  • the Fourier transform is performed on the picture to be displayed to obtain the frequency information of the picture to be displayed, and the picture type of the picture to be displayed is determined according to the frequency information of the picture to be displayed, so as to fully utilize the natural
  • the characteristics of the picture and the composite picture determine the picture type to which the picture to be displayed belongs, which is easy to implement and has high accuracy; then, after determining that the picture to be displayed is a composite picture, the sRGB mode is switched to the wide color gamut mode, and the wide color gamut is adopted.
  • the mode displays the picture to be displayed, so that the displayed picture has a vivid color, which improves the user's use feeling.
  • FIG. 7 is a flowchart of still another color gamut mode switching method according to an exemplary embodiment. As shown in FIG. 7 , after step S605, the method may further include:
  • step S606 a picture is obtained locally.
  • step S607 it is determined that the picture is a natural picture, the wide color gamut mode is switched back to the sRGB mode, and the picture is displayed in the sRGB mode.
  • the wide color gamut mode is switched back to the sRGB mode, and the picture is displayed in the sRGB mode, so that the displayed picture has an accurate color and improves the user's use.
  • the wide color gamut mode is switched back to the sRGB mode, and the picture is displayed in the sRGB mode, so that the displayed picture has an accurate color and improves the user's use.
  • the present disclosure also provides an embodiment of a color gamut mode switching device.
  • FIG. 8 is a block diagram of a color gamut mode switching apparatus according to an exemplary embodiment. As shown in FIG. 8, the color gamut mode switching apparatus includes a picture obtaining module 80, a determining module 81, a mode obtaining module 82, and a switching module. 83.
  • the picture obtaining module 80 is configured to obtain a picture to be displayed.
  • the determining module 81 is configured to determine the type of the picture to which the picture to be displayed obtained by the picture obtaining module 80 belongs.
  • the mode obtaining module 82 is configured to obtain a current color gamut mode currently adopted by the terminal, each color gamut mode having a picture type matched thereto.
  • the switching module 83 is configured to determine, if the image determined by the module 81, the picture to be displayed belongs to If the current color gamut mode obtained by the mode obtaining module 82 does not match, the current color gamut mode is switched to a color gamut mode that matches the picture type to which the picture to be displayed belongs.
  • the determining module 81 is configured to: determine, according to frequency information of the picture to be displayed, a picture type to which the picture to be displayed belongs.
  • the image to be displayed is obtained by obtaining the module, and the image type to which the image to be displayed belongs is determined by the determining module, and the current color gamut mode is adopted by the switching module when the image type does not match the current color gamut mode.
  • the entire switching process is automatically implemented, and does not require the user to have professional knowledge and is easy to implement.
  • the picture is displayed according to the picture type using the matched gamut mode, so that the display is performed.
  • the image has the color that the user expects, which improves the user experience.
  • FIG. 9 is a block diagram of another color gamut mode switching apparatus according to an exemplary embodiment.
  • the determining module 81 may include: a transform submodule 811. And determining sub-module 812.
  • the transform sub-module 811 is configured to perform Fourier transform on the picture to be displayed to obtain frequency information
  • the determining sub-module 812 is configured to determine, according to the relationship between the frequency information obtained by the transform sub-module 811 and the preset threshold, the type of the picture to which the picture to be displayed belongs, the picture type includes a natural picture and a composite picture, and the proportion of the same frequency information in the natural picture Below the preset threshold, the proportion of the same frequency information in the composite picture is higher than the preset threshold.
  • the transform sub-module performs Fourier transform on the picture to be displayed to obtain the frequency information of the picture to be displayed, and determines the relationship between the frequency information of the picture to be displayed and the preset threshold by the determining sub-module.
  • the type of image to which the image to be displayed belongs to achieve full The characteristics of the natural picture and the composite picture are used to determine the type of the picture to which the picture to be displayed belongs, which is easy to implement and has high accuracy.
  • FIG. 10a is a block diagram of still another color gamut mode switching apparatus according to an exemplary embodiment.
  • the switching module 83 may include: a first switcher. Module 831.
  • the first switching sub-module 831 is configured to: when the picture type to which the picture to be displayed belongs is a natural picture, when the current color gamut mode is a wide color gamut mode, it is determined that the two do not match, and the wide color gamut mode is switched to be displayed.
  • the picture type to which the picture belongs matches the standard red, green, and blue sRGB mode.
  • the wide color gamut mode is switched to the sRGB mode, and the image to be displayed is displayed in the sRGB mode, so that the displayed picture has an accurate color and is improved. The user's feeling of use.
  • FIG. 10b is a block diagram of still another color gamut mode switching apparatus according to an exemplary embodiment.
  • the switching module 83 may include: a second switcher. Module 832.
  • the second switching sub-module 832 is configured to: when the picture type to which the picture to be displayed belongs is a composite picture, when the current color gamut mode is the sRGB mode, determine that the two do not match, and switch the sRGB mode to the picture to which the picture to be displayed belongs. Type-matched wide gamut mode.
  • the sRGB mode is switched to the wide color gamut mode, and the picture to be displayed is displayed in a wide color gamut mode, so that the displayed picture has a vivid color. , improve the user experience.
  • FIG. 11a is a block diagram of still another color gamut mode switching apparatus according to an exemplary embodiment.
  • the switching module 83 may further include:
  • the third switching sub-module 833 is configured to determine, after the first switching sub-module 831 switches the wide color gamut mode to the sRGB mode that matches the picture type to which the picture to be displayed belongs, if the currently obtained picture type of the picture to be displayed belongs to To composite the picture, switch the sRGB mode back to the wide gamut mode.
  • the sRGB mode is switched to the wide color gamut mode, and the picture to be displayed is displayed in a wide color gamut mode, so that the displayed picture has a vivid color. , improve the user experience.
  • FIG. 11b is a block diagram of still another color gamut mode switching apparatus according to an exemplary embodiment.
  • the switching module 83 may further include:
  • the fourth switching sub-module 834 is configured to determine, after the second switching sub-module 832 switches the sRGB mode to the wide color gamut mode that matches the picture type to which the picture to be displayed belongs, if the currently obtained picture type of the picture to be displayed belongs to For natural photos, switch the wide gamut mode back to sRGB mode.
  • the wide color gamut mode is switched to the sRGB mode, and the picture to be displayed is displayed in the sRGB mode, so that the displayed picture has an accurate color.
  • FIG. 12 is a block diagram of a color gamut mode switching device, according to an exemplary embodiment.
  • device 1200 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet device, a medical device, a fitness device, a personal digital assistant, an aircraft, and the like.
  • apparatus 1200 can include one or more of the following components: processing component 1202, memory 1204, power component 1206, multimedia component 1208, audio component 1210, input/output (I/O) interface 1212, sensor component 1214, And a communication component 1216.
  • Processing component 1202 typically controls the overall operation of device 1200, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 1202 can include one or more processors 1220 to execute instructions to perform all or part of the steps of the above described methods.
  • processing component 1202 can include one or more modules to facilitate interaction between component 1202 and other components.
  • processing component 1202 can include a multimedia module to facilitate interaction between multimedia component 1208 and processing component 1202.
  • Memory 1204 is configured to store various types of data to support operation at device 1200. Examples of such data include instructions for any application or method operating on device 1200, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 1204 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 1206 provides power to various components of device 1200.
  • Power component 1206 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 1200.
  • Multimedia component 1208 includes a screen between the device 1200 and a user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 1208 includes a front camera and/or a rear camera. When device 1200 is in an operational mode, In the shooting mode or video mode, the front camera and/or rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1210 is configured to output and/or input an audio signal.
  • audio component 1210 includes a microphone (MIC) that is configured to receive an external audio signal when device 1200 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 1204 or transmitted via communication component 1216.
  • audio component 1210 also includes a speaker for outputting an audio signal.
  • the I/O interface 1212 provides an interface between the processing component 1202 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor assembly 1214 includes one or more sensors for providing status assessment of various aspects to device 1200.
  • sensor assembly 1214 can detect an open/closed state of device 1200, a relative positioning of components, such as the display and keypad of device 1200, and sensor component 1214 can also detect a change in position of one component of device 1200 or device 1200. The presence or absence of contact by the user with the device 1200, the orientation or acceleration/deceleration of the device 1200 and the temperature change of the device 1200.
  • Sensor assembly 1214 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1214 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1216 is configured to facilitate wired or wireless communication between device 1200 and other devices.
  • the device 1200 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 1216 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 1216 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • device 1200 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 1204 comprising instructions executable by processor 1220 of apparatus 1200 to perform the above method.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.

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  • Theoretical Computer Science (AREA)
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  • Controls And Circuits For Display Device (AREA)
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Abstract

一种色域模式切换方法及装置，其中，色域模式切换方法包括：获得待显示图片（S100）；确定待显示图片所属的图片类型（S101）；获得终端当前采用的当前色域模式（S102），每种色域模式都具有与其匹配的图片类型；若待显示图片所属的图片类型与当前色域模式不匹配，则将当前色域模式切换为与待显示图片所属的图片类型匹配的色域模式（S103）。所述方法自动实现色域的切换，同时，根据图片类型采用匹配的色域模式显示图片，使得显示的图片具有用户期望的颜色，提高了用户的使用体验。

Description

色域模式切换方法及装置
本申请基于申请号为201510450942.4、申请日为2015年7月28日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开涉及通信技术领域，尤其涉及一种色域模式切换方法及装置。
背景技术
色域(Color Gamut)是指某种设备所能表达的颜色数量所构成的范围区域，即各种屏幕显示设备、打印机或印刷设备所能表现的颜色范围。目前，移动终端例如手机屏幕的色域越来越高，有的颜色覆盖率达到甚至超出国家电视标准委员会(National Television Standards Committee，NTSC)制定的颜色范围的100％。
然而，现在的互联网传输标准色域是标准红绿蓝(standard Red Green Blue，sRGB)，sRGB的色域为NTSC制定的颜色范围的70.8％，照相机或摄影机生成的图像大多也是这个色域空间。但是用户针对不同的需求，需要获得浏览图片的不同显示效果，例如浏览网上商城的衣服时，会出现衣服等图片或照片颜色失真的情况，如果不进行色域切换，用户看到的图片是颜色失真的图片。因此，需要根据用户不同的需求，确定不同的色域模式。
发明内容
本公开实施例提供一种色域模式切换方法及装置，以实现针对不同的图片，采用不同的色域模式。
根据本公开实施例的第一方面，提供一种色域模式切换方法，包括：
获得待显示图片；
确定所述待显示图片所属的图片类型；
获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型；
若所述待显示图片所属的图片类型与所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式。
在一实施例中，所述确定所述待显示图片所属的图片类型，包括：
根据所述待显示图片的频率信息确定所述待显示图片所属的图片类型。
在一实施例中，所述根据所述待显示图片的频率信息确定所述待显示图片所属的图片类型，包括：
对所述待显示图片进行傅里叶变换，以获得所述频率信息；
根据所述频率信息与预设阈值的关系，确定所述待显示图片所属的图片类型，所述图片类型包括自然图片和合成图片，所述自然图片中相同频率信息的比例低于所述预设阈值，所述合成图片中相同频率信息的比例高于所述预设阈值。
在一实施例中，所述若所述待显示图片所属的图片类型与所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式，包括：
当所述待显示图片所属的图片类型为自然图片时，所述当前色域模式为广色域模式时，判定二者不匹配，将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的标准红绿蓝sRGB模式；或者
当所述待显示图片所属的图片类型为合成图片时，所述当前色域模式为 sRGB模式时，判定二者不匹配，将所述sRGB模式切换为与所述待显示图片所属的图片类型匹配的广色域模式。
在一实施例中，所述方法还包括：
在所述将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的sRGB模式之后，若确定当前获得的待显示图片所属的图片类型为合成图片，则将所述sRGB模式切换回所述广色域模式。
在一实施例中，所述方法还包括：
在所述将所述sRGB模式切换为与所述待显示图片所属的图片类型匹配的广色域模式之后，若确定当前获得的待显示图片所属的图片类型为自然照片，则将所述广色域模式切换回所述sRGB模式。
根据本公开实施例的第二方面，提供一种色域模式切换装置，包括：
图片获得模块，被配置为获得待显示图片；
确定模块，被配置为确定所述图片获得模块获得的所述待显示图片所属的图片类型；
模式获得模块，被配置为获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型；
切换模块，被配置为若所述确定模块确定的所述待显示图片所属的图片类型与所述模式获得模块获得的所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式。
在一实施例中，所述确定模块，被配置为：
根据所述待显示图片的频率信息确定所述待显示图片所属的图片类型。
在一实施例中，所述确定模块包括：
变换子模块，被配置为对所述待显示图片进行傅里叶变换，以获得所述频率信息；
确定子模块，被配置为根据所述变换子模块获得的所述频率信息与预设阈值的关系，确定所述待显示图片所属的图片类型，所述图片类型包括自然 图片和合成图片，所述自然图片中相同频率信息的比例低于所述预设阈值，所述合成图片中相同频率信息的比例高于所述预设阈值。
在一实施例中，所述切换模块包括：
第一切换子模块，被配置为当所述待显示图片所属的图片类型为自然图片时，所述当前色域模式为广色域模式时，判定二者不匹配，将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的标准红绿蓝sRGB模式；或者
第二切换子模块，被配置为当所述待显示图片所属的图片类型为合成图片时，所述当前色域模式为sRGB模式时，判定二者不匹配，将所述sRGB模式切换为与所述待显示图片所属的图片类型匹配的广色域模式。
在一实施例中，所述切换模块还包括：
第三切换子模块，被配置为在所述第一切换子模块将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的sRGB模式之后，若确定当前获得的待显示图片所属的图片类型为合成图片，则将所述sRGB模式切换回所述广色域模式。
在一实施例中，所述切换模块还包括：
第四切换子模块，被配置为在所述第二切换子模块将所述sRGB模式切换为与所述待显示图片所属的图片类型匹配的广色域模式之后，若确定当前获得的待显示图片所属的图片类型为自然照片，则将所述广色域模式切换回所述sRGB模式。
根据本公开实施例的第三方面，提供一种色域模式切换装置，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，处理器被配置为：
获得待显示图片；
确定所述待显示图片所属的图片类型；
获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型；
若所述待显示图片所属的图片类型与所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式。
本公开的实施例提供的技术方案可以包括以下有益效果：通过获得待显示图片，确定待显示图片所属的图片类型，并在图片类型与当前色域模式不匹配时，将当前色域模式切换为与待显示图片所属的图片类型匹配的色域模式，整个切换过程自动实现，不需要用户具有专业的知识，易于实现，同时，根据图片类型采用匹配的色域模式显示图片，使得显示的图片具有用户期望的颜色，提高了用户的使用体验。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明的实施例，并与说明书一起用于解释本发明的原理。
图1是根据一示例性实施例示出的一种色域模式切换方法的流程图。
图2a是根据一示例性实施例示出的一种合成照片的示意图。
图2b是根据一示例性实施例示出的另一种合成照片的示意图。
图3是根据一示例性实施例示出的一种色域模式切换方法的场景图。
图4是根据一示例性实施例示出的另一种色域模式切换方法的流程图。
图5是根据一示例性实施例示出的另一种色域模式切换方法的流程图。
图6是根据一示例性实施例示出的又一种色域模式切换方法的流程图。
图7是根据一示例性实施例示出的再一种色域模式切换方法的流程图。
图8是根据一示例性实施例示出的一种色域模式切换装置的框图。
图9是根据一示例性实施例示出的另一种色域模式切换装置的框图。
图10a是根据一示例性实施例示出的又一种色域模式切换装置的框图。
图10b是根据一示例性实施例示出的又一种色域模式切换装置的框图。
图11a是根据一示例性实施例示出的再一种色域模式切换装置的框图。
图11b是根据一示例性实施例示出的再一种色域模式切换装置的框图。
图12是根据一示例性实施例示出的一种适用于色域模式切换装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
图1是根据一示例性实施例示出的一种色域模式切换方法的流程图，如图1所示，该色域模式切换方法可应用于手机、平板电脑等终端上，该实施例可以包括以下步骤S100-S103：
在步骤S100中，获得待显示图片。
在该实施例中，终端可以从服务器获得待显示图片，也可以从本地获得待显示图片。例如，当用户点击查看网上商城的某件衣服时，终端可以获得服务器返回的待显示衣服的图片。又例如，当用户点击查看本地保存的一幅拍摄得到的图片时，终端可从本地相册中获得该幅图片。
在步骤S101中，确定待显示图片所属的图片类型。
其中，上述图片类型可以包括自然图片和合成图片。
自然图片的特点是图片图像的数据灰阶值无规律，而合成图片的相邻的像素灰阶值都有比较明显的特征，例如渐变、相同或者具有固定大小的跳变等等，如图2a-2b所示的图片为合成照片，且它们相邻的像素灰阶值有比较 明显的特征。
而对图片进行傅立叶变换可以将图片的灰度分布函数变换为频率分布函数。对于自然图片，经过傅立叶变换得到的频率信息是随机的，没有明显的规律，即相同频率信息的比例低于预设阈值。而合成图片经过傅立叶变换得到的频率信息中，相同频率信息的比例高于预设阈值。因此，可以基于待显示图片的频率信息确定待显示图片所属的图片类型。
例如，对待显示图片进行傅里叶变换，以获得待显示图片的频率信息，然后根据频率信息与预设阈值的关系，确定待显示图片是自然图片还是合成图片。
在步骤S102中，获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型。
在该实施例中，终端可以支持广色域模式，也可以支持sRGB模式。此步骤需要确定终端当前采用的当前色域模式。
对于广色域模式而言，与其匹配的图片类型为合成图片，对于sRGB模式而言，与其匹配的图片类型为自然图片。
在步骤S103中，若待显示图片所属的图片类型与当前色域模式不匹配，则将当前色域模式切换为与待显示图片所属的图片类型匹配的色域模式。
在该实施例中，将待显示图片所属的图片类型与当前色域模式进行匹配，若二者不匹配，则将当前色域模式切换为与待显示图片所属的图片类型匹配的色域模式，若二者匹配，则不需要切换色域模式。
例如，当图片类型为自然图片，当前色域模式为广色域模式时，由于图片类型与当前色域模式不匹配，因此可以将广色域模式切换为sRGB模式。
又例如，当图片类型为合成图片，当前色域模式为sRGB模式时，由于图片类型与当前色域模式不匹配，因此可以将sRGB模式切换为广色域模式。
下面结合图3对本公开进行示例性说明，如图3所示，用户使用手机31浏览网上商城例如小米商城的衣服，当用户对某件衣服感兴趣时，可以点击 进入该衣服的页面，当用户点击该衣服时，手机31向网上商城的服务器32发送请求，服务器32根据该请求返回包含衣服图片的页面，手机31获得衣服图片后，确定衣服图片为自然图片，并获得手机31当前采用的色域模式为广色域模式，由于自然图片是自然界中真实存在的图片，所以要尽量做到准确，即用户希望看到无色差的衣服，手机31在确定自然图片与广色域模式不匹配后，将广色域模式切换为sRGB模式，然后使用切换后的sRGB模式显示衣服图片，此时显示的衣服图片无色差，可以为用户是否购买此衣服提供判断依据，提高了用户的使用体验。
上述色域模式切换方法实施例，通过获得待显示图片，确定待显示图片所属的图片类型，并在图片类型与当前色域模式不匹配时，将当前色域模式切换为与待显示图片所属的图片类型匹配的色域模式，整个切换过程自动实现，不需要用户具有专业的知识，易于实现，同时，根据图片类型采用匹配的色域模式显示图片，使得显示的图片具有用户期望的颜色，提高了用户的使用体验。
图4是根据一示例性实施例示出的另一种色域模式切换方法的流程图，该方法应用在手机上，该手机当前采用的色域模式为广色域模式，如图4所示，该色域模式切换方法包括：
在步骤S401中，获得待显示图片。
在步骤S402中，对待显示图片进行傅里叶变换，以获得待显示图片的频率信息。
在步骤S403中，根据待显示图片的频率信息和预设阈值的关系，确定待显示图片属于自然图片还是合成图片，若属于自然图片，则执行步骤S404，若属于合成照片，则执行步骤S405。
在步骤S404中，将广色域模式切换为sRGB模式，并采用sRGB模式展现待显示图片。
在步骤S405中，采用广色域模式展现待显示图片。
上述色域模式切换方法实施例，通过对待显示图片进行傅里叶变换，以获得待显示图片的频率信息，并根据待显示图片的频率信息与预设阈值的关系确定待显示图片所属的图片类型，以实现充分利用自然图片和合成图片的特点来确定待显示图片所属的图片类型，易于实现且准确率高；然后在确定待显示的图片为自然图片后，将广色域模式切换为sRGB模式，并采用sRGB模式展现待显示图片，使得展现的图片具有准确的颜色，提高了用户的使用感受。
图5是根据一示例性实施例示出的另一种色域模式切换方法的流程图，如图5所示，在步骤S404之后，该方法还可以包括：
在步骤S406中，从本地获得图片。
在步骤S407中，确定该图片为合成图片，将sRGB模式切换回广色域模式，并采用广色域模式展现图片。
上述色域模式切换方法实施例，在确定该图片为合成图片后，将sRGB模式切换回广色域模式，并采用广色域模式展现图片，使得所展现的图片具有鲜艳的颜色，提高了用户的使用感受。
图6是根据一示例性实施例示出的又一种色域模式切换方法的流程图，该方法应用在手机上，该手机当前采用的色域模式为sRGB模式，如图6所示，该色域模式切换方法包括：
在步骤S601中，获得待显示图片。
在步骤S602中，对待显示图片进行傅里叶变换，以获得待显示图片的频率信息。
在步骤S603中，根据待显示图片的频率信息和预设阈值的关系，确定待显示图片属于自然图片还是合成图片，若属于自然图片，则执行步骤S604，若属于合成照片，则执行步骤S605。
在步骤S604中，采用sRGB模式展现待显示图片。
在步骤S605中，将sRGB模式切换为广色域模式，并采用广色域模式展 现待显示图片。
上述色域模式切换方法实施例，通过对待显示图片进行傅里叶变换，以获得待显示图片的频率信息，并根据待显示图片的频率信息确定待显示图片所属的图片类型，以实现充分利用自然图片和合成图片的特点来确定待显示图片所属的图片类型，易于实现且准确率高；然后在确定待显示的图片为合成图片后，将sRGB模式切换为广色域模式，并采用广色域模式展现待显示图片，使得展现的图片具有鲜艳的颜色，提高了用户的使用感受。
图7是根据一示例性实施例示出的再一种色域模式切换方法的流程图，如图7所示，在步骤S605之后，该方法还可以包括：
在步骤S606中，从本地获得图片。
在步骤S607中，确定该图片为自然图片，将广色域模式切换回sRGB模式，并采用sRGB模式展现图片。
上述色域模式切换方法实施例，在确定该图片为自然图片后，将广色域模式切换回sRGB模式，并采用sRGB模式展现图片，使得所展现的图片具有准确的颜色，提高了用户的使用感受。
与前述色域模式切换方法实施例相对应，本公开还提供了色域模式切换装置实施例。
图8是根据一示例性实施例示出的一种色域模式切换装置的框图，如图8所示，该色域模式切换装置包括图片获得模块80、确定模块81、模式获得模块82和切换模块83。
图片获得模块80，被配置为获得待显示图片。
确定模块81，被配置为确定图片获得模块80获得的待显示图片所属的图片类型。
模式获得模块82，被配置为获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型。
切换模块83，被配置为若确定模块81确定的待显示图片所属的图片类 型与模式获得模块82获得的当前色域模式不匹配，则将当前色域模式切换为与待显示图片所属的图片类型匹配的色域模式。
其中，确定模块81可被配置为：根据待显示图片的频率信息确定待显示图片所属的图片类型。
如图8所示的色域模式切换装置完成色域切换的过程可参见图1，此处不赘述。
上述色域模式切换装置实施例，通过获得模块获得待显示图片，通过确定模块确定待显示图片所属的图片类型，并通过切换模块在图片类型与当前色域模式不匹配时，将当前色域模式切换为与待显示图片所属的图片类型匹配的色域模式，整个切换过程自动实现，不需要用户具有专业的知识，易于实现，同时，根据图片类型采用匹配的色域模式显示图片，使得显示的图片具有用户期望的颜色，提高了用户的使用体验。
图9是根据一示例性实施例示出的另一种色域模式切换装置的框图，如图9所示，在上述图8所示实施例的基础上，确定模块81可以包括：变换子模块811和确定子模块812。
变换子模块811，被配置为对待显示图片进行傅里叶变换，以获得频率信息；
确定子模块812，被配置为根据变换子模块811获得的频率信息与预设阈值的关系，确定待显示图片所属的图片类型，图片类型包括自然图片和合成图片，自然图片中相同频率信息的比例低于预设阈值，合成图片中相同频率信息的比例高于预设阈值。
如图9所示的色域模式切换装置完成色域切换的过程可参见图1、图4或图6的对应部分，此处不赘述。
上述色域模式切换装置实施例，通过变换子模块对待显示图片进行傅里叶变换，以获得待显示图片的频率信息，并通过确定子模块根据待显示图片的频率信息与预设阈值的关系确定待显示图片所属的图片类型，以实现充分 利用自然图片和合成图片的特点来确定待显示图片所属的图片类型，易于实现且准确率高。
图10a是根据一示例性实施例示出的又一种色域模式切换装置的框图，如图10a所示，在上述图8所示实施例的基础上，切换模块83可包括：第一切换子模块831。
第一切换子模块831，被配置为当待显示图片所属的图片类型为自然图片时，当前色域模式为广色域模式时，判定二者不匹配，将广色域模式切换为与待显示图片所属的图片类型匹配的标准红绿蓝sRGB模式。
如图10a所示的色域模式切换装置完成色域切换的过程可参见图1或图4的对应部分，此处不赘述。
上述色域模式切换装置实施例，可在确定待显示的图片为自然图片后，将广色域模式切换为sRGB模式，并采用sRGB模式展现待显示图片，使得展现的图片具有准确的颜色，提高了用户的使用感受。
图10b是根据一示例性实施例示出的又一种色域模式切换装置的框图，如图10b所示，在上述图8所示实施例的基础上，切换模块83可包括：第二切换子模块832。
第二切换子模块832，被配置为当待显示图片所属的图片类型为合成图片时，当前色域模式为sRGB模式时，判定二者不匹配，将sRGB模式切换为与待显示图片所属的图片类型匹配的广色域模式。
如图10b所示的色域模式切换装置完成色域切换的过程可参见图1或图6的对应部分，此处不赘述。
上述色域模式切换装置实施例，可在确定待显示的图片为合成图片后，将sRGB模式切换为广色域模式，并采用广色域模式展现待显示图片，使得展现的图片具有鲜艳的颜色，提高了用户的使用感受。
图11a是根据一示例性实施例示出的再一种色域模式切换装置的框图，如图11a所示，在上述图10a所示实施例的基础上，切换模块83还可包括：
第三切换子模块833，被配置为在第一切换子模块831将广色域模式切换为与待显示图片所属的图片类型匹配的sRGB模式之后，若确定当前获得的待显示图片所属的图片类型为合成图片，则将sRGB模式切换回广色域模式。
如图11a所示的色域模式切换装置完成色域切换的过程可参见图5的对应部分，此处不赘述。
上述色域模式切换装置实施例，可在确定待显示的图片为合成图片后，将sRGB模式切换为广色域模式，并采用广色域模式展现待显示图片，使得展现的图片具有鲜艳的颜色，提高了用户的使用感受。
图11b是根据一示例性实施例示出的再一种色域模式切换装置的框图，如图11b所示，在上述图10b所示实施例的基础上，切换模块83还可包括：
第四切换子模块834，被配置为在第二切换子模块832将sRGB模式切换为与待显示图片所属的图片类型匹配的广色域模式之后，若确定当前获得的待显示图片所属的图片类型为自然照片，则将广色域模式切换回sRGB模式。
如图11b所示的色域模式切换装置完成色域切换的过程可参见图7的对应部分，此处不赘述。
上述色域模式切换装置实施例，可在确定待显示的图片为自然图片后，将广色域模式切换为sRGB模式，并采用sRGB模式展现待显示图片，使得展现的图片具有准确的颜色。
关于上述实施例中的装置，其中各个模块、子模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
图12是根据一示例性实施例示出的一种适用于色域模式切换装置的框图。例如，装置1200可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理，飞行器等。
参照图12，装置1200可以包括以下一个或多个组件：处理组件1202，存储器1204，电源组件1206，多媒体组件1208，音频组件1210，输入/输出(I/O)的接口1212，传感器组件1214，以及通信组件1216。
处理组件1202通常控制装置1200的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理元件1202可以包括一个或多个处理器1220来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件1202可以包括一个或多个模块，便于处理组件1202和其他组件之间的交互。例如，处理部件1202可以包括多媒体模块，以方便多媒体组件1208和处理组件1202之间的交互。
存储器1204被配置为存储各种类型的数据以支持在设备1200的操作。这些数据的示例包括用于在装置1200上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器1204可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电力组件1206为装置1200的各种组件提供电力。电力组件1206可以包括电源管理系统，一个或多个电源，及其他与为装置1200生成、管理和分配电力相关联的组件。
多媒体组件1208包括在所述装置1200和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件1208包括一个前置摄像头和/或后置摄像头。当设备1200处于操作模式， 如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1210被配置为输出和/或输入音频信号。例如，音频组件1210包括一个麦克风(MIC)，当装置1200处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1204或经由通信组件1216发送。在一些实施例中，音频组件1210还包括一个扬声器，用于输出音频信号。
I/O接口1212为处理组件1202和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件1214包括一个或多个传感器，用于为装置1200提供各个方面的状态评估。例如，传感器组件1214可以检测到设备1200的打开/关闭状态，组件的相对定位，例如所述组件为装置1200的显示器和小键盘，传感器组件1214还可以检测装置1200或装置1200一个组件的位置改变，用户与装置1200接触的存在或不存在，装置1200方位或加速/减速和装置1200的温度变化。传感器组件1214可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1214还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件1214还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件1216被配置为便于装置1200和其他设备之间有线或无线方式的通信。装置1200可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信部件1216经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信部件1216还包括近场通信(NFC)模块，以促进短程通信。例如， 在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置1200可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器1204，上述指令可由装置1200的处理器1220执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的公开后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (13)

  1. 一种色域模式切换方法，其特征在于，所述方法包括：
    获得待显示图片；
    确定所述待显示图片所属的图片类型；
    获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型；
    若所述待显示图片所属的图片类型与所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式。
  2. 根据权利要求1所述的色域模式切换方法，其特征在于，所述确定所述待显示图片所属的图片类型，包括：
    根据所述待显示图片的频率信息确定所述待显示图片所属的图片类型。
  3. 根据权利要求2所述的色域模式切换方法，其特征在于，所述根据所述待显示图片的频率信息确定所述待显示图片所属的图片类型，包括：
    对所述待显示图片进行傅里叶变换，以获得所述频率信息；
    根据所述频率信息与预设阈值的关系，确定所述待显示图片所属的图片类型，所述图片类型包括自然图片和合成图片，所述自然图片中相同频率信息的比例低于所述预设阈值，所述合成图片中相同频率信息的比例高于所述预设阈值。
  4. 根据权利要求1所述的色域模式切换方法，其特征在于，所述若所述待显示图片所属的图片类型与所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式，包括：
    当所述待显示图片所属的图片类型为自然图片时，所述当前色域模式为广色域模式时，判定二者不匹配，将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的标准红绿蓝sRGB模式；或者
    当所述待显示图片所属的图片类型为合成图片时，所述当前色域模式为sRGB模式时，判定二者不匹配，将所述sRGB模式切换为与所述待显示图 片所属的图片类型匹配的广色域模式。
  5. 根据权利要求4所述的色域模式切换方法，其特征在于，所述方法还包括：
    在所述将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的sRGB模式之后，若确定当前获得的待显示图片所属的图片类型为合成图片，则将所述sRGB模式切换回所述广色域模式。
  6. 根据权利要求4所述的色域模式切换方法，其特征在于，所述方法还包括：
    在所述将所述sRGB模式切换为与所述待显示图片所属的图片类型匹配的广色域模式之后，若确定当前获得的待显示图片所属的图片类型为自然照片，则将所述广色域模式切换回所述sRGB模式。
  7. 一种色域模式切换装置，其特征在于，所述装置包括：
    图片获得模块，被配置为获得待显示图片；
    确定模块，被配置为确定所述图片获得模块获得的所述待显示图片所属的图片类型；
    模式获得模块，被配置为获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型；
    切换模块，被配置为若所述确定模块确定的所述待显示图片所属的图片类型与所述模式获得模块获得的所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式。
  8. 根据权利要求7所述的色域模式切换装置，其特征在于，所述确定模块，被配置为：
    根据所述待显示图片的频率信息确定所述待显示图片所属的图片类型。
  9. 根据权利要求8所述的色域模式切换装置，其特征在于，所述确定模块包括：
    变换子模块，被配置为对所述待显示图片进行傅里叶变换，以获得所述 频率信息；
    确定子模块，被配置为根据所述变换子模块获得的所述频率信息与预设阈值的关系，确定所述待显示图片所属的图片类型，所述图片类型包括自然图片和合成图片，所述自然图片中相同频率信息的比例低于所述预设阈值，所述合成图片中相同频率信息的比例高于所述预设阈值。
  10. 根据权利要求7所述的色域模式切换装置，其特征在于，所述切换模块包括：
    第一切换子模块，被配置为当所述待显示图片所属的图片类型为自然图片时，所述当前色域模式为广色域模式时，判定二者不匹配，将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的标准红绿蓝sRGB模式；或者
    第二切换子模块，被配置为当所述待显示图片所属的图片类型为合成图片时，所述当前色域模式为sRGB模式时，判定二者不匹配，将所述sRGB模式切换为与所述待显示图片所属的图片类型匹配的广色域模式。
  11. 根据权利要求10所述的色域模式切换装置，其特征在于，所述切换模块还包括：
    第三切换子模块，被配置为在所述第一切换子模块将所述广色域模式切换为与所述待显示图片所属的图片类型匹配的sRGB模式之后，若确定当前获得的待显示图片所属的图片类型为合成图片，则将所述sRGB模式切换回所述广色域模式。
  12. 根据权利要求10所述的色域模式切换装置，其特征在于，所述切换模块还包括：
    第四切换子模块，被配置为在所述第二切换子模块将所述sRGB模式切换为与所述待显示图片所属的图片类型匹配的广色域模式之后，若确定当前获得的待显示图片所属的图片类型为自然照片，则将所述广色域模式切换回所述sRGB模式。
  13. 一种色域模式切换装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    获得待显示图片；
    确定所述待显示图片所属的图片类型；
    获得终端当前采用的当前色域模式，每种色域模式都具有与其匹配的图片类型；
    若所述待显示图片所属的图片类型与所述当前色域模式不匹配，则将所述当前色域模式切换为与所述待显示图片所属的图片类型匹配的色域模式。
PCT/CN2015/099006 2015-07-28 2015-12-25 色域模式切换方法及装置 Ceased WO2017016164A1 (zh)

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