WO2011105577A1 - 画像表示装置およびオンスクリーン表示方法 - Google Patents
画像表示装置およびオンスクリーン表示方法 Download PDFInfo
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- WO2011105577A1 WO2011105577A1 PCT/JP2011/054376 JP2011054376W WO2011105577A1 WO 2011105577 A1 WO2011105577 A1 WO 2011105577A1 JP 2011054376 W JP2011054376 W JP 2011054376W WO 2011105577 A1 WO2011105577 A1 WO 2011105577A1
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- lookup table
- color
- color lookup
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- screen display
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- 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
- H04N9/74—Circuits for processing colour signals for obtaining special effects
- H04N9/76—Circuits for processing colour signals for obtaining special effects for mixing of colour signals
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- 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
- G09G5/06—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 using colour palettes, e.g. look-up tables
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42653—Internal components of the client ; Characteristics thereof for processing graphics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
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- 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
- G09G2320/0686—Adjustment of display parameters with two or more screen areas displaying information with different brightness or colours
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- 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
- G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
Definitions
- the present invention relates to an image display device that performs on-screen display and an on-screen display method.
- an image display apparatus having an on-screen display (OSD) function for displaying an image signal such as control information such as characters and graphics or service information superimposed on a video frame such as a television signal
- an image such as control information or service information
- OSD on-screen display
- an image such as control information or service information
- a method for designating a color information number obtained by assigning a number to color information (hereinafter referred to as an index color method) is known.
- a table that defines the correspondence between the color number of the index color and the actual color is called a color map, a color lookup table (CLUT), or a color palette.
- Such an index color method has an advantage that the total amount of data required for processing can be efficiently suppressed when the number of colors of an image is small.
- Patent Document 1 there is a technique described in Patent Document 1 as a technique for realizing on-screen display with high memory efficiency.
- the technique of Patent Document 1 divides an on-screen display area into a plurality of areas, assigns independent frame buffers to each area, and assigns them to one full-screen area in an analog or digital manner by an on-screen display control device. It is to synthesize.
- Non-Patent Document 1 As another technique related to the index color OSD, when the index color OSD has a color map conversion function by hardware, only the color map is dynamically changed without changing the pixel data itself. Thus, it is known that the display color can be adjusted at high speed (Non-Patent Document 1).
- Patent Document 2 there is known a technique that allows the entire area of the color lookup table to be rewritten for each line while displaying image data (Patent Document 2). Specifically, a lookup table for each of the background image, window A, and window B is provided, and the entire color lookup table is rewritten for each line in each region.
- Japanese Patent Publication Japanese Patent Laid-Open No. 2008-107601 (published May 8, 2008)” Japanese Patent Publication “JP 2005-326701 A (published on November 24, 2005)”
- Non-Patent Document 1 when there is an area using the same color (index color) in the same OSD area as shown in FIG. There is a problem that even when the color is changed, the color of the area that is not originally intended is changed.
- FIG. 16 since the same black color is used for the text color of “Menu” and “Video Setting”, for example, the character of “Video Setting” is used to move the selected portion from “Video Setting” to “Audio Setting”.
- the text color of “Menu” is changed to white.
- the present invention has been made in view of the above problems, and its object is to provide a high-resolution palette animation that can be realized at high speed regardless of the number of colors used by the original image data of the OSD. Another object of the present invention is to provide an image display device capable of OSD expression and an on-screen display method with high memory efficiency.
- an image display device includes: An index color type image display device having an on-screen display function, Applying means for applying a color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas; Table conversion means for converting the applied first color lookup table into a second color lookup table different from the first color lookup table in at least one of the divided regions; It is characterized by having.
- the image display device applies the color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas, and thus the entire on-screen display area.
- display quality having a high resolution can be realized without increasing the memory bandwidth as compared with the configuration of the index color system in which only one color look-up table (CLUT) is applied.
- the image display apparatus of the present invention includes the table conversion means for replacing the CLUT applied so far with another CLUT. Therefore, since there is no need to change the original image data, the drawing speed can be increased.
- the table conversion means has such a CLUT update function for each of the divided areas, the cursor movement in the OSD can be expressed by a palette animation.
- the look-up table for each of the background image, window A, and window B is provided, and the entire color look-up table is rewritten for each line in each region. If there is, a color lookup table is applied to each divided region divided into a plurality of regions, but the type of the lookup table can be converted in at least one divided region.
- an on-screen display method solves the above problems, An on-screen display method using an index color image display device having an on-screen display function, An application step of performing display by applying a color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas; A table conversion step of converting the applied first color lookup table into a second color lookup table different from the first color lookup table in at least one of the divided regions; It is characterized by including.
- the on-screen display method of the present invention applies the color look-up table to each divided area obtained by dividing one on-screen display area into a plurality of areas.
- display quality with high resolution can be realized without increasing the memory bandwidth as compared with the configuration of the index color system that applies only one color look-up table (CLUT).
- the on-screen display method of the present invention includes a table conversion step for replacing the CLUT applied so far with another CLUT. Therefore, since there is no need to change the original image data, the drawing speed can be increased.
- the cursor movement in the OSD can be expressed by a palette animation method, for example.
- the on-screen display method in addition to the above configuration, in the application step, a specific color lookup table is applied based on address information indicating a storage location of data constituting the color lookup table, In the table conversion step, it is preferable to change the address information used in the application step.
- the change (update) of the CLUT is realized by changing only the address information indicating the storage location of the data constituting the CLUT, compared with the case where the data of the display data itself is rewritten.
- the processing time can be shortened, and the processing time can be shortened as compared with the case where the CLUT data itself is rewritten.
- the invention of the present application is a program for operating a computer as each unit of the above image display apparatus, and a computer-readable storage medium on which the program is recorded. It is characterized by being.
- the image display apparatus is An index color type image display device having an on-screen display function, Applying means for applying a color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas; Table conversion means for converting the applied first color lookup table into a second color lookup table different from the first color lookup table in at least one of the divided regions; It is characterized by having.
- the on-screen display method according to the present invention is as described above.
- An on-screen display method using an index color image display device having an on-screen display function An application step of performing display by applying a color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas;
- high-resolution, memory-efficient, and OSD-representable image display capable of realizing palette animation at high speed regardless of the number of colors used by the original image data of the OSD.
- An apparatus and an on-screen display method can be provided.
- the image display device according to the present invention can be used as a television receiver.
- the present invention is particularly characterized by an on-screen display mechanism in the image display device.
- a television receiver which is an example of an image display device, will be described as an overall configuration, and then the details of the on-screen display mechanism will be described.
- FIG. 1 is a block diagram showing a configuration of a television receiver (image display device) according to an embodiment of the present invention.
- the television receiver in the present embodiment is an index color type television receiver having an on-screen display function.
- reference numeral 10 denotes the entire television receiver having the liquid crystal display device 22 having a screen size of 16: 9 (1920 ⁇ 1080 dots), for example.
- the television receiver 10 includes a CPU 50 and a memory 7 connected to the bus 51, and the operation of the television receiver 10 is controlled by various control programs stored in the CPU 50 and the memory 7. That is, the television receiver 10 shown in FIG. 1 is controlled by a computer system including a CPU 50, and a program for operating the television receiver by the computer system is stored in the memory 7.
- the memory 7 is usually constituted by a RAM, but may include a ROM in part. Further, a rewritable flash memory or the like may be included.
- the memory 7 stores an OS for operating the CPU and various control software, and displays on-screen data related to program information such as EPG data received via broadcast waves, information related to electronic program guides and operations, etc. OSD image data and the like necessary for (OSD) are stored.
- the memory 7 has a work area that functions as a work memory necessary for various control operations.
- the television receiver 10 is provided with an analog tuner unit 12 in addition to the digital tuner unit 14 (reception means), and can receive analog broadcasts.
- the external input unit 31 can be connected to various external devices 30 such as a solid-state memory such as an HDD and an SD card, and a disk device such as a BD (Blu-ray disc), DVD, and CD.
- a BD / DVD / CD recording / reproducing unit 32 is also built in the main body of the apparatus 10.
- an IP broadcast tuner unit 23 is provided, and IP broadcast reception is also possible.
- the television receiver 10 includes an AV switch unit 13, a digital demodulating unit 15, a separating unit (DMUX) 16, a video decoding / capturing unit 17, a video selector unit 18, a video processing unit 19, an adding circuit 20, and a video output conversion.
- Unit 21 liquid crystal display device 22, EPG / OSD / reservation processing unit 24, audio decoding unit 25, audio selector unit 26, audio output conversion unit 27, speaker 28, channel selection unit 33, communication control unit 34, and remote control light receiving unit 35 Have.
- the television receiver 10 is further provided with an optical sensor (OPC sensor) 38 for detecting ambient brightness.
- OPC sensor optical sensor
- the analog tuner unit 12 selects an analog television broadcast signal received via the antenna 11 for receiving an analog broadcast, and selects a channel according to a channel selection instruction from the channel selection unit 33.
- the received signal from the analog tuner unit 12 is separated into an audio signal and a video signal in the AV switch unit 13, the video signal is input to the video selector unit 18, and the audio signal is input to the audio selector unit 26.
- the digital tuner unit 14 selects a digital television broadcast signal received via the digital broadcast receiving antenna 40, and selects a channel to be received according to a channel selection instruction from the channel selection unit 33.
- the received signal from the digital tuner unit 14 is demodulated by the digital demodulation unit 15 and sent to the separation unit (DMUX) 16.
- the IP broadcast tuner unit 23 selects an IP broadcast received via a communication control unit 34 connected to a telephone line / LAN or the like, and receives a specific IP received in response to a channel selection instruction from the channel selection unit 33. The broadcast is selected and the output is sent to the separation unit (DMUX) 16.
- DMUX separation unit
- the separation unit (DMUX) 16 separates the multiplexed video data and audio data input from the digital demodulation unit 15 or the IP broadcast tuner unit 23, sends the video data to the video decoding / capture unit 17, and the audio data Is sent to the audio decoding unit 25. Further, the separation unit (DMUX) 16 extracts data such as EPG data included in the broadcast signal and sends it to the EPG / OSD / reservation processing unit 24. The broadcast wave signal extracted by the separation unit (DMUX) 16 is recorded in the memory 7 by writing control by the CPU 6 as necessary.
- the video decode / capture unit 17 decodes the video data separated by the separation unit (DMUX) 16 and captures video information included in the video data as a still image.
- the video signal decoded by the video decode / capture unit 17 is sent to the video selector unit 18.
- the video signal from the analog tuner unit 12 is input to the video selector unit 18, and the video signal from the external input unit 31 is also input.
- the video selector unit 18 selects and outputs one video signal from these input video signals according to the control signal from the CPU 6, and sends it to the video processing unit 19.
- the video processing unit 19 performs various types of video processing on the input video signal. In the present invention, since the video processing unit 19 has a feature, details of the video processing unit 19 will be described later. For example, video processing such as noise reduction processing, sharpness adjustment, contrast adjustment, and the like is performed, and the video data is converted to an optimal video signal for the liquid crystal display device 22.
- the video output conversion unit 21 includes a drive circuit for displaying the received video data on the liquid crystal display device 22, and an electronic program guide from the EPG / OSD / reservation processing unit 24 added by the addition circuit 20.
- EPG Electronic Program Guide
- OSD On Screen Display
- the audio decoding unit 25 decodes the audio data separated by the separation unit (DMUX) 16.
- the audio decoding unit 25 sends the decoded audio signal to the audio selector unit 26.
- the audio selector unit 26 receives the audio signal from the AV switch unit 13, the audio signal from the external input unit 31, and the audio signal from the audio decoding unit 25, and is selected by the video selector unit 18 under the control of the CPU 6. An audio signal corresponding to the video signal is selected, and the audio signal is sent to the speaker 28 via the audio output conversion unit 27.
- the audio output conversion unit 27 converts the received audio signal into a signal optimal for reproduction on the speaker 28 and supplies the converted signal to the speaker 28.
- the remote control light receiving unit 35 receives an optical signal from a remote controller 36 (hereinafter referred to as a remote controller 36) and receives a control signal from the remote controller 36. Instructions from the viewer, such as transition to scaling display described later, selection and determination of various buttons at the time of scaling display, are performed via the remote controller 36.
- the EPG / OSD / reservation processing unit 24 creates an electronic program guide based on EPG data periodically updated and stored, and also stores image data, character data, basic graphics, etc. based on predetermined layout information. Combined to create OSD data.
- the OSD display mechanism which is a characteristic configuration of the present invention is mainly realized in the EPG / OSD / reservation processing unit 24.
- the OSD data is data for drawing various information such as a setting menu screen, a volume cage, a current time, a channel selection, and the like stored in advance in the memory 7, for example. Further, the EPG / OSD / reservation processing unit 24 performs program reservation processing using the electronic program guide.
- the communication control unit 34 performs control so as to establish communication via a network such as a telephone line, a LAN, and the Internet.
- the television receiver is particularly described as an example.
- the present invention is also applied to a case where a television is received by a portable device such as a cellular phone, a car navigation system, a portable game terminal, or the like. It is clear that can be applied.
- OSD mechanism in EPG / OSD / reservation processor A specific configuration of the EPG / OSD / reservation processing unit 24 shown in FIG. 1 will be described with reference to FIG. In the block diagram shown in FIG. 2, only the configuration related to OSD is shown, and the configuration related to EPG and reservation is omitted.
- the OSD processing includes a color lookup table application unit 1 (application unit), a color lookup table control unit 2 (table conversion unit), and OSD drawing. This is performed using the control unit 3.
- the color lookup table (hereinafter referred to as CLUT) application unit 1 divides one OSD area into a plurality of predetermined divided areas, and applies the CLUT to each divided area (application process).
- FIG. 3 is a diagram illustrating a state in which the CLUT is applied to each divided region. In the example shown in FIG. 3, one OSD area is divided into four, and divided areas A, B, C, and D are generated. How to divide one OSD area is stored in advance in the memory 7 (FIG. 1).
- the CLUT application unit 1 applies the CLUT setting example (1) to the divided area A, applies the CLUT setting example (2) to the divided area B, and applies the CLUT setting example (3) to the divided area C.
- the same CLUT setting example (3) as that of the divided area C is applied to the divided area D.
- 256 elements representing 8-bit pixel values stored in the memory 7 (a part of 256 elements are omitted in FIGS. 4 to 8) are displayed in RGB format.
- FIG. 4 shows the contents of the CLUT setting example (1)
- FIG. 5 shows the contents of the CLUT setting example (2)
- FIG. 6 shows the contents of the CLUT setting example (3).
- ⁇ in the CLUT represents a blend value for the OSD image.
- the simplest method for displaying an OSD image superimposed on an image frame (hereinafter referred to as a video image) such as a television or VTR is to replace the pixel of the video image with the pixel of the OSD image at the display position of the OSD image. It is.
- the color information of the video pixel and the OSD pixel can be multiplied by a certain coefficient (this coefficient is referred to as a blend value) and summed to obtain a more diverse display. it can.
- ⁇ is in the range of 0 ⁇ ⁇ ⁇ 1.
- the “Menu” portion in the divided area A in FIG. 3 is composed of 48-color icon data, and the other portions are black.
- the colors used in the “Menu” icon are assigned to the index numbers 1 to 48.
- the characters “video setting”, “audio setting”, and “environment setting” in each area are composed of grayscale fonts of 32 gradations. Different colors can be assigned to the gradations.
- the character color of the “video setting” in the divided area B is white and the background color is black, the color obtained by dividing white to black into 32 equal parts. Is assigned to each gradation color. These 32 colors are assigned to index numbers 1 to 32 in the CLUT shown in FIG.
- the divided areas B, C, and D each have a height of 80 pixels. Therefore, in the case of a gradation pattern in the vertical direction of the paper as shown in FIG. 3, if 80 colors are used, a different color can be assigned to each line. Therefore, color expression equivalent to full color (24-bit color) is possible.
- the 80 colors for gradation are assigned to index numbers 41 to 120.
- the CLUT application unit 1 includes an OSD display setting unit 1a, an OSD conversion processing unit 1b, and an OSD composition processing unit 1c.
- the image data stored in the memory 7 (internal storage device or RAM) and the control instruction from the CPU 6 or the OSD drawing control unit 3 are displayed on the OSD.
- a screen is created on the memory 7 (RAM).
- processing performed by the OSD drawing control unit 3 there are copy processing, graphic drawing processing such as a rectangle, ⁇ blend processing, and the like, but these processing can also be realized by software processing via the CPU 6. There may be no hardware configuration.
- the OSD display setting unit 1a sets which CLUT is applied in each area. Specifically, the OSD display setting unit 1a converts the data stored in the area from a certain address on the memory 7 (RAM) as the display start position into the set display format (RGB format, YCbCr format, CLUT). Format, etc.) and size, and create an output image.
- the display start position may be always fixed at a specific address, or may be provided with OSD display area setting means so that an arbitrary address can be set.
- OSD display area setting means so that an arbitrary address can be set.
- it may be necessary to simultaneously display a plurality of different OSD screens such as a GUI screen, a caption screen, and a data broadcast screen.
- the OSD display setting unit 1a is provided with n pieces (n is an integer value that varies depending on the hardware configuration), and is set in each of these OSD display setting units (1) to (n).
- the OSD composition processing unit 1c has a function of synthesizing and outputting the OSD screen information on one screen in accordance with a set value (overlapping order or the like).
- the OSD synthesis processing unit 1c may refer to the ⁇ value stored in each pixel and synthesize it according to the ratio (having a so-called ⁇ blend function).
- the OSD display setting unit (1) of the OSD display setting unit 1a is the RGB format, OSD display setting unit (n). Cannot be simply synthesized when the CLUT format is used.
- an OSD conversion processing unit 1b that converts various types of OSDs into a common format is provided.
- the OSD conversion processing unit 1b collates the data of each pixel (CLUT index value) stored in the memory 7 (RAM) with the data of the CLUT and converts it into RGB format data. To do. If output in the YCbCr format is necessary when synthesizing with video data, conversion from the RGB format to the YCbCr format may be further performed here.
- the signal output from the OSD synthesis processing unit 1c is superimposed on the video data.
- the information of the synthesized video is converted into an electrical signal that can be recognized by the output device by the video output conversion unit 21 and displayed on a liquid crystal display device 22 (FIG. 1) such as a liquid crystal display.
- the method of dividing one OSD image into a plurality of areas can be realized if the OSD display setting unit 1a does not overlap each setting area.
- the CLUT applied to the divided area B is changed from the CLUT setting example (2) (first color lookup table) to the CLUT setting example (3) (second color lookup table).
- the CLUT applied to the divided area C is changed from the CLUT setting example (3) (first color lookup table) to the CLUT setting example (2) (second color lookup table).
- the palette animation can be realized by a simple method, and the cursor movement as shown in FIG. 7 can be realized.
- the present invention is not limited to this, and when there is a means for freely changing the start address setting of the CLUT, the CLUT can be updated by dynamically updating only the start address.
- the CLUT setting example can be changed (updated) if there is a means for dynamically updating the address information.
- the CLUT setting examples are stored in different areas in advance, and the CLUT start address information of the OSD display setting unit is required when the CLUT needs to be updated. By rewriting only, the display can be updated at high speed without changing not only the display data itself but also the data area of the CLUT.
- the storage location of the data of the CLUT is not limited to the main memory, and may be stored in, for example, a cache built in the IC.
- the processing by the CLUT control unit 2 can be realized by software processing via the CPU 6 (table conversion means), it may not exist in the hardware configuration.
- the CLUT update unit 2 for converting the CLUT applied so far into another CLUT is provided.
- the drawing speed can be increased.
- the table update unit 2 since the table update unit 2 has such a CLUT update function for each of the divided areas A to D, the cursor movement in the OSD can be expressed by palette animation. Further, if such a CLUT update function is provided for each of the divided areas A to D, even if a gradation is used for the background color in the OSD, for example, a full-color method without increasing the memory hand width. Color expression equivalent to is possible.
- Methods A Rewrite the display data itself
- Methodhod B Rewrite only the CLUT data (palette animation)
- Methodhod C Although it is assumed that only the start address of the CLUT is rewritten, under the condition that the rewriting speed of any data is constant, (Method C) has the shortest processing time among the following three types, Next, in the order of (Method B), (Method C) and (Method B) included in the present invention can shorten the processing time compared to the method of rewriting the data of the display data itself.
- one CLUT setting example is converted into another CLUT setting example.
- the present invention is not limited to this, and a part of the contents constituting a certain CLUT is changed.
- the “other CLUT” may be used.
- the index color system OSD has been described.
- an OSD CLUT system or RGB format
- the menu screen can be realized by the OSD divided into the current area
- the Web browser display can be realized by a RGB full color plane, and the two can be displayed in an overlapping manner, and this aspect is also included in the present invention.
- the gradation portion of the divided area B is changed from the CLUT setting example (2) to the CLUT setting example (5) via the CLUT setting example (4), and from the CLUT setting example (5).
- This is dynamically changed to the CLUT setting example (2) via the CLUT setting example (4). That is, during the process of converting from one CLUT configuration example to another CLUT configuration example, it is configured to convert to one or more further CLUT configuration examples.
- FIG. 11 shows the contents of the CLUT setting example (4)
- FIG. 12 shows the contents of the CLUT setting example (5).
- This configuration makes it easier to understand where the user is pointing at the cursor.
- the change is set to three patterns of CLUT setting examples (2), (4), and (5).
- the present invention is not limited to this.
- the state may be added to make it change more smoothly.
- Modification ⁇ 2> of OSD mechanism In the above-described embodiment and modification ⁇ 1>, one CLUT setting example is applied to one divided area, and a mode in which the CLUT setting example is changed to a different CLUT setting example will be described. However, the present invention is not limited to this.
- the modification example ⁇ 2> will be described.
- a color lookup table formed by combining a plurality of partial color lookup tables is applied to each of at least two divided regions.
- the color lookup table applied to each of the at least two divided areas includes a common partial color lookup table.
- a CLUT setting example (3) corresponding to the index numbers 1 to 51 and a CLUT setting example (3-2) corresponding to the index numbers 52 to 255 are included.
- a CLUT setting example (3) corresponding to index numbers 1 to 51 and a CLUT setting example (4-2) corresponding to index numbers 52 to 255 are applied to the divided region D.
- the CLUT setting example (3) common to the divided areas C and D is a part constituting the background of the display image, and both the divided areas C and D start the CLUT in the CLUT setting example (3). As shown in FIG. 14, the addresses are set to be the same (address 3000).
- this CLUT setting example (3) is set to the same start address in the divided area C and the divided area D, the color lookup shown in FIG. 2 is performed in the same manner as the above-described embodiment and modification ⁇ 1>. If the table control unit 2 changes the CLUT setting example (3) to the CLUT setting example (3 ′) as shown in FIG. 15 (table conversion step), a display image that is a common part of the divided areas C and D The background color information can be converted simultaneously.
- the partial color lookup table to be shared is not limited to the partial color lookup table applied to the background color of the button. That is, for example, a partial color look-up table applied to the button text color may be shared, or the background color or text color of UI elements other than buttons (window title bar, pop-up menu, dialog box, etc.) The applied partial color lookup table may be shared.
- the timing for changing the color look-up table is assumed to be the timing when the user instructs to change the color scheme, but is not limited to this.
- a configuration in which the television receiver 10 changes the color lookup table in response to an instruction to change the color lookup table included in a broadcast wave broadcast from a broadcasting station may be employed.
- Such a configuration is effective, for example, when the color of UI elements used for OSD display of character information of data broadcasting is controlled from the broadcasting station side.
- the television receiver 10 receives a CEC command (a vendor command for instructing to change the color lookup table) supplied from an HDMI-connected external device (recorder, smartphone, portable information terminal, electronic book reader, etc.).
- a configuration for updating the color lookup table may be employed.
- Such a configuration is effective when the color of the UI element that the television receiver 10 displays uniquely matches the color of the UI element that is displayed on the television receiver 10 by the HDMI-connected external device.
- These configurations can also be applied to the change timing of the color lookup table in the above-described embodiment and modification ⁇ 1>.
- the partial color lookup table common to the divided areas can be shared, so that the memory usage can be reduced.
- the video processing unit 19 included in the television receiver 10 may be configured by hardware logic. Alternatively, it may be realized by software using a CPU (Central Processing Unit) as follows.
- CPU Central Processing Unit
- the television receiver 10 includes a CPU that executes instructions of a program that realizes each function, a ROM (Read Only Memory) that stores the program, a RAM (Random Access Memory) that expands the program into an executable format, and And a storage device (recording medium) such as a memory for storing the program and various data.
- a predetermined recording medium such as a memory for storing the program and various data.
- This recording medium only needs to record the program code (execution format program, intermediate code program, source program) of the program of the television receiver 10 which is software that realizes the above-described functions so that it can be read by a computer.
- This recording medium is supplied to the television receiver 10.
- the television receiver 10 or CPU or MPU as a computer may read and execute the program code recorded on the supplied recording medium.
- the recording medium for supplying the program code to the television receiver 10 is not limited to a specific structure or type. That is, the recording medium includes, for example, a tape system such as a magnetic tape and a cassette tape, a magnetic disk such as a floppy (registered trademark) disk / hard disk, and an optical disk such as a CD-ROM / MO / MD / DVD / CD-R. System, a card system such as an IC card (including a memory card) / optical card, or a semiconductor memory system such as a mask ROM / EPROM / EEPROM / flash ROM.
- a tape system such as a magnetic tape and a cassette tape
- a magnetic disk such as a floppy (registered trademark) disk / hard disk
- an optical disk such as a CD-ROM / MO / MD / DVD / CD-R.
- a card system such as an IC card (including a memory card) / optical card, or a semiconductor memory system such as
- the object of the present invention can be achieved.
- the program code is supplied to the television receiver 10 via the communication network.
- the communication network is not limited to a specific type or form as long as it can supply program codes to the television receiver 10.
- the Internet intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network, telephone line network, mobile communication network, satellite communication network, etc. may be used.
- the transmission medium constituting the communication network may be any medium that can transmit the program code, and is not limited to a specific configuration or type.
- a specific configuration or type for example, even wired such as IEEE 1394, USB (Universal Serial Bus), power line carrier, cable TV line, telephone line, ADSL (Asymmetric Digital Subscriber Line) line, infrared such as IrDA or remote control, Bluetooth (registered trademark), 802.11
- radio such as radio, HDR, mobile phone network, satellite line, terrestrial digital network.
- the present invention can also be realized in the form of a computer data signal embedded in a carrier wave in which the program code is embodied by electronic transmission.
- An image display device includes: An index color type image display device having an on-screen display function, Applying means for applying a color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas; Table conversion means for converting the applied first color lookup table into a second color lookup table different from the first color lookup table in at least one of the divided regions; It is characterized by having.
- the image display device applies the color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas, and thus the entire on-screen display area.
- display quality having a high resolution can be realized without increasing the memory bandwidth as compared with the configuration of the index color system in which only one color look-up table (CLUT) is applied.
- the image display apparatus of the present invention includes the table conversion means for replacing the CLUT applied so far with another CLUT. Therefore, since there is no need to change the original image data, the drawing speed can be increased.
- the table conversion means has such a CLUT update function for each of the divided areas, the cursor movement in the OSD can be expressed by a palette animation.
- the look-up table for each of the background image, window A, and window B is provided, and the entire color look-up table is rewritten for each line in each region. If there is, a color lookup table is applied to each divided region divided into a plurality of regions, but the type of the lookup table can be converted in at least one divided region.
- the image display device includes:
- the image display device further includes storage means for storing data constituting the color lookup table,
- the application means stores address information indicating the storage location of the data in the color lookup table in the storage means,
- the table conversion means is preferably configured to change the address information stored in the application means.
- the change (update) of the CLUT is realized by changing only the address information indicating the storage location of the data constituting the CLUT, compared with the case where the data of the display data itself is rewritten.
- the processing time can be shortened, and the processing time can be shortened as compared with the case where the CLUT data itself is rewritten.
- the table conversion means converts the first color look-up table and the second color look-up table to one or more color look-up tables different from the second color look-up table until the second color look-up table is replaced. It may be configured to be replaced.
- the image display apparatus of the present invention can not only represent the cursor movement in the OSD by the palette animation, but can also change the color of the cursor where the cursor is hit. This has the advantage that it is easy for the user to understand where the cursor is.
- the image display device includes: The application means applies a color lookup table formed by combining a plurality of partial color lookup tables,
- the table conversion means uses a second color look-up table different from the first color look-up table as a first color look-up table applied in at least two of the divided areas.
- To convert to The image display device further includes storage means for storing data constituting the color lookup table,
- the application means stores address information indicating the storage location of the data in the color lookup table in the storage means, and
- the application means stores the same address information indicating the storage location of the data of the partial color lookup table that is commonly applied to at least two divided regions,
- the table conversion means may be configured to change the same address information stored in the application means.
- the partial color look-up table common to the divided areas can be made common, so that the memory usage can be reduced.
- an on-screen display method solves the above problems, An on-screen display method using an index color image display device having an on-screen display function, An application step of performing display by applying a color lookup table to each divided area obtained by dividing one on-screen display area into a plurality of areas; A table conversion step of converting the applied first color lookup table into a second color lookup table different from the first color lookup table in at least one of the divided regions; It is characterized by including.
- the on-screen display method of the present invention applies the color look-up table to each divided area obtained by dividing one on-screen display area into a plurality of areas.
- display quality with high resolution can be realized without increasing the memory bandwidth as compared with the configuration of the index color system that applies only one color look-up table (CLUT).
- the on-screen display method of the present invention includes a table conversion step for replacing the CLUT applied so far with another CLUT. Therefore, since there is no need to change the original image data, the drawing speed can be increased.
- the cursor movement in the OSD can be expressed by a palette animation method, for example.
- the on-screen display method in addition to the above configuration, in the application step, a specific color lookup table is applied based on address information indicating a storage location of data constituting the color lookup table, In the table conversion step, it is preferable to change the address information used in the application step.
- the change (update) of the CLUT is realized by changing only the address information indicating the storage location of the data constituting the CLUT, compared with the case where the data of the display data itself is rewritten.
- the processing time can be shortened, and the processing time can be shortened as compared with the case where the CLUT data itself is rewritten.
- the on-screen display method according to the present invention is not limited to the above configuration
- the on-screen display method of the present invention can not only represent the cursor movement in the OSD by the palette animation but also change the color of the cursor where the cursor is hit. This has the advantage that it is easy for the user to understand where the cursor is.
- the on-screen display method further includes: In the application step, a specific color lookup table is applied based on address information indicating a storage location of data constituting the color lookup table by applying a color lookup table formed by combining a plurality of partial color lookup tables. Apply In the table conversion step, a second color lookup table different from the first color lookup table is used as the first color lookup table applied in at least two of the divided regions. Converted to Address information indicating the storage location of the data constituting the partial color lookup table common to at least two of the divided areas is the same, In the table conversion step, the same address information used in the application step may be changed.
- the partial color look-up table common to the divided areas can be made common, so that the memory usage can be reduced.
- the image display apparatus may be a television receiver.
- the invention of the present application is a program for operating a computer as each means of the above image display device, and a computer-readable storage medium on which the program is recorded. It is characterized by being.
- the present invention has high industrial applicability because it can be optimally used as a display device such as a multifunctional television receiver.
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Abstract
Description
オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用させる適用手段と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換手段とを備えていることを特徴としている。
オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置を用いたオンスクリーン表示方法であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用して表示をおこなう適用工程と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換工程とを含むことを特徴としている。
上記適用工程では、カラールックアップテーブルを構成するデータの格納場所を示すアドレス情報に基づいて、特定のカラールックアップテーブルの適用をおこない、
上記テーブル変換工程では、上記適用工程において用いる上記アドレス情報を変更することが好ましい。
オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用させる適用手段と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換手段とを備えていることを特徴としている。
オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置を用いたオンスクリーン表示方法であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用して表示をおこなう適用工程と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換工程とを含むことを特徴としている。
図1は、本発明の一実施形態に係るテレビ受像機(画像表示装置)の構成を示したブロック図である。本実施形態におけるテレビ受像機は、オンスクリーン表示機能を有したインデックスカラー方式のテレビ受像機である。
図1に示したEPG/OSD/予約処理部24の具体的構成を、図2を用いて説明する。なお、図2に示すブロック図では、OSDに関係する構成のみを示し、EPGおよび予約に関する構成については省略する。
以上のように本実施形態の構成によれば、CLUT適用部1を備えることによって、1つのOSD領域を複数の領域に分割した分割領域ごとにCLUTを適用することができる。これにより、1つのOSD領域全体に対して、ただ1つのCLUTを適用するインデックスカラー方式の構成に比べて、高い解像度を有する表示品位を、メモリバンド幅を増やすことなく実現することができる。
(方法A)表示データそのもののデータを書き換える
(方法B)CLUTのデータのみを書き換える(パレットアニメーション)
(方法C)CLUTの開始アドレスのみを書き換える
が想定されるが、いずれのデータの書き換え速度も一定という条件下でみれば、下記の3種類のうち、(方法C)が最も処理時間が短く、次いで(方法B)の順となり、本発明に含まれる(方法C)および(方法B)は、表示データそのもののデータを書き換える手法に対して、処理時間の短縮化を図ることができる。
上述した本実施形態では、カーソル移動をパレットアニメーションによりおこなう手法について説明したが、本発明はこれに限定されるものではなく、図10に示すように、分割領域B「映像設定」にカーソルが当たっている場合に、当該分割領域Bのカーソルの色を動的に変化させてもよい。
(OSD機構の変形例<2>)
上述した本実施形態および変形例<1>では、1つの分割領域に対して1つのCLUT設定例が適用されており、当該CLUT設定例を、これとは異なるCLUT設定例に変更する態様について説明したが、本発明はこれに限定されるものではない。以下、本変形例<2>を説明する。
最後に、テレビ受像機10に含まれている映像処理部19は、ハードウェアロジックによって構成すればよい。または、次のように、CPU(Central Processing Unit)を用いてソフトウェアによって実現してもよい。
本発明に係る画像表示装置は、
オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用させる適用手段と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換手段とを備えていることを特徴としている。
上記画像表示装置は、カラールックアップテーブルを構成するデータを格納する格納手段を更に備えており、
上記適用手段には、上記格納手段におけるカラールックアップテーブルの上記データの格納場所を示すアドレス情報が格納されており、
上記テーブル変換手段は、上記適用手段に格納された上記アドレス情報を変更するように構成されていることが好ましい。
上記テーブル変換手段は、上記第2のカラールックアップテーブルに代えるまでの過程で、上記第1のカラールックアップテーブルおよび上記第2のカラールックアップテーブルとは異なる1つ以上のカラールックアップテーブルに代えるように構成されていてもよい。
上記適用手段は、部分カラールックアップテーブルを複数組み合わせてなるカラールックアップテーブルを適用させるものであり、
上記テーブル変換手段は、上記分割領域のうちの少なくとも2つの分割領域において、適用させている第1のカラールックアップテーブルを、当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するものであって、
上記画像表示装置は、カラールックアップテーブルを構成するデータを格納する格納手段を更に備えており、
上記適用手段には、上記格納手段におけるカラールックアップテーブルの上記データの格納場所を示すアドレス情報が格納されており、且つ、
上記適用手段には、少なくとも2つの分割領域に共通に適用する部分カラールックアップテーブルのデータの格納場所を示す同一のアドレス情報が格納されており、
上記テーブル変換手段は、上記適用手段に格納された上記同一のアドレス情報を変更するように構成されていてもよい。
オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置を用いたオンスクリーン表示方法であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用して表示をおこなう適用工程と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換工程とを含むことを特徴としている。
上記適用工程では、カラールックアップテーブルを構成するデータの格納場所を示すアドレス情報に基づいて、特定のカラールックアップテーブルの適用をおこない、
上記テーブル変換工程では、上記適用工程において用いる上記アドレス情報を変更することが好ましい。
上記テーブル変換工程では、上記第2のカラールックアップテーブルに変換するまでの過程で、上記第1のカラールックアップテーブルおよび上記第2のカラールックアップテーブルとは異なる1つ以上のカラールックアップテーブルに変換してもよい。
上記適用工程では、部分カラールックアップテーブルを複数組み合わせてなるカラールックアップテーブルを適用させ、且つ、カラールックアップテーブルを構成するデータの格納場所を示すアドレス情報に基づいて、特定のカラールックアップテーブルの適用をおこない、
上記テーブル変換工程では、上記分割領域のうちの少なくとも2つの分割領域において、適用させている第1のカラールックアップテーブルを、当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換し、
少なくとも2つの上記分割領域に共通する上記部分カラールックアップテーブルを構成するデータの格納場所を示すアドレス情報は、同一であり、
上記テーブル変換工程では、上記適用工程において用いる上記同一の上記アドレス情報を変更するように構成してもよい。
1a OSD表示設定部
1b OSD変換処理部
1c OSD合成処理部
2 カラールックアップテーブル制御部(テーブル変換手段)
3 OSD描画制御部
6 CPU(テーブル変換手段)
7 メモリ(格納手段)
10 テレビ受像機(画像表示装置)
11 アンテナ
12 アナログチューナー部
13 AVスイッチ部
14 デジタルチューナー部
15 デジタル復調部
16 分離部
17 ビデオデコード/キャプチャ部
18 ビデオセレクタ部
19 映像処理部
20 加算回路
21 映像出力変換部
22 液晶表示装置
23 IP放送チューナー部
24 EPG/OSD/予約処理部
25 オーディオデコード部
26 オーディオセレクタ部
27 音声出力変換部
28 スピーカ
30 外部機器
31 外部入力部
32 記録/再生部
33 選局部
34 通信制御部
35 リモコン受光部
36 リモートコントローラ
36 リモコン
38 光センサ
40 デジタル放送受信用アンテナ
50 CPU
51 バス
A~D 分割領域
Claims (11)
- オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用させる適用手段と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換手段とを備えていることを特徴とする画像表示装置。 - 上記画像表示装置は、カラールックアップテーブルを構成するデータを格納する格納手段を更に備えており、
上記適用手段には、上記格納手段におけるカラールックアップテーブルの上記データの格納場所を示すアドレス情報が格納されており、
上記テーブル変換手段は、上記適用手段に格納された上記アドレス情報を変更するように構成されていることを特徴とする請求項1に記載の画像表示装置。 - 上記テーブル変換手段は、上記第2のカラールックアップテーブルに変換するまでの過程で、上記第1のカラールックアップテーブルおよび上記第2のカラールックアップテーブルとは異なる1つ以上のカラールックアップテーブルに変換するように構成されていることを特徴とする請求項1または2に記載の画像表示装置。
- 上記適用手段は、部分カラールックアップテーブルを複数組み合わせてなるカラールックアップテーブルを複数の分割領域の各々に適用させるものであり、
上記複数の分割領域の各々に適用されるカラールックアップテーブルには、共通の部分カラールックアップテーブルが含まれており、
テーブル変換手段は、上記共通の部分カラールックアップテーブルを第1の部分カラールックアップテーブルから第2の部分カラールックアップテーブルに変換する際に、上記適用手段に格納されたアドレス情報のうち、当該共通の部分カラールックアップテーブルを構成するデータの格納場所を示す同一のアドレス情報を変更するように構成されている、ことを特徴とする請求項1から3までの何れか1項に記載の画像表示装置。 - オンスクリーン表示機能を有したインデックスカラー方式の画像表示装置を用いたオンスクリーン表示方法であって、
1つのオンスクリーン表示領域を複数の領域に分割した分割領域ごとにカラールックアップテーブルを適用する適用工程と、
上記分割領域のうちの少なくとも1つの分割領域において、適用させている第1のカラールックアップテーブルを当該第1のカラールックアップテーブルとは異なる第2のカラールックアップテーブルに変換するテーブル変換工程とを含むことを特徴とするオンスクリーン表示方法。 - 上記適用工程では、カラールックアップテーブルを構成するデータの格納場所を示すアドレス情報に基づいて、特定のカラールックアップテーブルの適用をおこない、
上記テーブル変換工程では、上記適用工程において用いる上記アドレス情報を変更することを特徴とする請求項5に記載のオンスクリーン表示方法。 - 上記テーブル変換工程では、上記第2のカラールックアップテーブルに変換するまでの過程で、上記第1のカラールックアップテーブルおよび上記第2のカラールックアップテーブルとは異なる1つ以上のカラールックアップテーブルに変換することを特徴とする請求項5また6に記載のオンスクリーン表示方法。
- 上記適用工程は、部分カラールックアップテーブルを複数組み合わせてなるカラールックアップテーブルを複数の分割領域の各々に適用させるものであり、
上記複数の分割領域の各々に適用されるカラールックアップテーブルには、共通の部分カラールックアップテーブルが含まれており、
テーブル変換工程では、上記共通の部分カラールックアップテーブルを第1の部分カラールックアップテーブルから第2の部分カラールックアップテーブルに変換する際に、当該共通の部分カラールックアップテーブルを構成するデータの格納場所を示す同一のアドレス情報を変更する、ことを特徴とする請求項5から7までの何れか1項に記載のオンスクリーン表示方法。 - テレビジョン受像機であることを特徴とする請求項1から4までの何れか1項に記載の画像表示装置。
- 請求項1から4までの何れか1項に記載の画像表示装置の各手段としてコンピュータを機能させるためのプログラム。
- 請求項10に記載のプログラムを記録した、コンピュータが読み取り可能な記憶媒体。
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US13/580,911 US20120314136A1 (en) | 2010-02-26 | 2011-02-25 | Image display device and on-screen display method |
CN2011800111475A CN102783138A (zh) | 2010-02-26 | 2011-02-25 | 图像显示装置及在屏显示方法 |
EP11747533A EP2541899A1 (en) | 2010-02-26 | 2011-02-25 | Image display device and on-screen display method |
RU2012140013/08A RU2012140013A (ru) | 2010-02-26 | 2011-02-25 | Устройство отображения изображений и способ отображения дополнительной информации на экране |
BR112012021447A BR112012021447A2 (pt) | 2010-02-26 | 2011-02-25 | dispositivo para exibição de imagem e método de exibição em tela. |
MX2012009765A MX2012009765A (es) | 2010-02-26 | 2011-02-25 | Dispositivo de visualizacion de imagen y metodo de visualizacion en la pantalla. |
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WO2014013613A1 (ja) * | 2012-07-20 | 2014-01-23 | 三菱電機株式会社 | 映像表示装置 |
TWI482485B (zh) * | 2012-11-14 | 2015-04-21 | Amtran Technology Co Ltd | 影音播放系統、影音播放系統之控制方法及顯示裝置 |
CN103151021B (zh) * | 2013-02-22 | 2015-04-22 | 广州视源电子科技股份有限公司 | 数据显示的方法及显示设备的测试方法 |
CN106569684A (zh) * | 2015-10-13 | 2017-04-19 | 北京国双科技有限公司 | 颜色渐变的图形显示方法及装置 |
JP6837860B2 (ja) * | 2017-02-15 | 2021-03-03 | Necプラットフォームズ株式会社 | 画像表示制御装置、画像表示制御方法、及び、画像表示制御プログラム |
CN114003156A (zh) * | 2021-10-14 | 2022-02-01 | 深圳Tcl新技术有限公司 | 显示方法、装置、存储介质及电子设备 |
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