WO2017101259A1 - Procédé et dispositif d'affichage d'image - Google Patents

Procédé et dispositif d'affichage d'image Download PDF

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Publication number
WO2017101259A1
WO2017101259A1 PCT/CN2016/084201 CN2016084201W WO2017101259A1 WO 2017101259 A1 WO2017101259 A1 WO 2017101259A1 CN 2016084201 W CN2016084201 W CN 2016084201W WO 2017101259 A1 WO2017101259 A1 WO 2017101259A1
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WIPO (PCT)
Prior art keywords
display
horizontal
interval
vertical
preview
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PCT/CN2016/084201
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English (en)
Chinese (zh)
Inventor
王云华
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深圳Tcl数字技术有限公司
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Publication of WO2017101259A1 publication Critical patent/WO2017101259A1/fr

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Classifications

    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
    • H04N21/4356—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen by altering the spatial resolution, e.g. to reformat additional data on a handheld device, attached to the STB
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • 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
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8146—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics
    • H04N21/8153—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics comprising still images, e.g. texture, background image

Definitions

  • the present invention relates to the field of smart televisions, and in particular, to a picture display method and apparatus.
  • the physical display resolution of traditional TV is single. For example, it is limited to 480i resolution. With the continuous development and update of display technology, the physical resolution of TV is gradually diversified, such as: 480i, 720p, 1080p, 4K (3840*) 2160) Etc. However, the preview images are previewed according to the fixed size of the system image itself.
  • the pixel density of the preview image is too high, resulting in The preview image is densely arranged in the upper left corner of the TV, which seriously affects the preview effect of the icon, which is not conducive to the user to identify and select the relevant preview image;
  • the TV is previewed at a low resolution (for example, 640*480), the preview image will be displayed.
  • the pixel density is too low, and the preview image cannot be completely displayed on the TV. The user cannot query all preview images at once.
  • the main purpose of the present invention is to provide a picture display method, where the picture display method includes:
  • the scaling factor corresponding to the physical resolution, wherein the scaling factor comprises a horizontal scaling value and a vertical scaling value
  • the horizontal scaling value is at a preset ratio to the vertical scaling value.
  • the step of determining the display size of the preview picture according to the acquired scaling factor, the display interval, and the physical resolution, and displaying the preview picture on the display terminal at the display size and the display interval includes:
  • the preview picture is displayed on the display terminal in accordance with the display size and display interval.
  • the present invention also provides a picture display method, the picture display method comprising:
  • the step of acquiring the scaling factor corresponding to the physical resolution comprises:
  • the scaling factor corresponding to the physical resolution is determined according to the number of pixels in the horizontal direction in the physical resolution, wherein the scaling factor includes a horizontal scaling value and a vertical scaling value.
  • the horizontal scaling value is at a preset ratio to the vertical scaling value.
  • the display interval includes a horizontal display interval and a vertical display interval
  • the step of obtaining a display interval between preview images according to the acquired physical resolution and the number of preview pictures includes:
  • the step of determining the display size of the preview picture according to the acquired scaling factor, the display interval, and the physical resolution, and displaying the preview picture on the display terminal at the display size and the display interval includes:
  • the preview picture is displayed on the display terminal in accordance with the display size and display interval.
  • the present invention further provides a picture display device, where the picture display device includes:
  • a first acquiring module configured to acquire a physical resolution of the display terminal and a number of preview pictures
  • a second acquiring module configured to acquire a scaling factor corresponding to the physical resolution
  • a third obtaining module configured to acquire a display interval between the preview images according to the obtained physical resolution and the number of the preview pictures
  • a display module configured to determine a display size of the preview picture according to the acquired scaling factor, display interval, and physical resolution, and display the preview picture on the display terminal according to the display size and the display interval.
  • the second obtaining module is further configured to determine a scaling factor corresponding to the physical resolution according to the number of pixels in a horizontal direction in the physical resolution, where the scaling factor includes a horizontal scaling value and a vertical Scale value.
  • the horizontal scaling value is at a preset ratio to the vertical scaling value.
  • the display interval includes a horizontal display interval and a vertical display interval
  • the third obtaining module includes:
  • a horizontal interval acquiring unit configured to divide the number of pixels in the horizontal direction in the obtained physical resolution by a product of a preset value and the number of the preview pictures, and obtain a horizontal display interval between horizontal directions of the preview picture ;
  • a vertical interval acquiring unit configured to divide the number of pixels in the vertical direction in the obtained physical resolution by a product of a preset value and the number of the preview pictures, and obtain a vertical direction between the preview pictures Vertical display interval.
  • the display module comprises:
  • a horizontal length obtaining unit configured to determine a horizontal display length of the preview picture according to a horizontal scaling value of the scaling factor, a horizontal display interval of the display interval, and a number of pixels in the physical resolution horizontal direction;
  • a vertical length obtaining unit configured to determine a verticality of the preview picture according to a vertical scaling value of the scaling factor, a vertical display interval of the display interval, and a number of pixels in the physical resolution vertical direction Display length
  • a display size obtaining unit configured to obtain a display size of the preview image according to the determined horizontal display length and the vertical display length
  • a display unit configured to display the preview picture on the display terminal according to the display size and the display interval.
  • the invention first obtains the physical resolution of the display terminal and the number of preview pictures, and then obtains a corresponding scaling factor according to the physical resolution; and then obtains the display interval between the preview pictures according to the physical resolution and the number of preview pictures; Determining a display size of the preview image according to the obtained scaling factor, display interval, and physical resolution, and displaying a preview image on the display terminal according to the display size and the display interval, so that the display size of the preview image can be based on the physical resolution and/or the preview image. Corresponding adjustments are made to change the number, and are arranged in the display area of the display terminal with a better display size and display interval, thereby avoiding the pixel density of the preview picture being too high or too low.
  • FIG. 1 is a schematic flow chart of a first embodiment of a picture display method according to the present invention.
  • FIG. 2 is a schematic diagram showing a refinement process of determining a display size of a preview picture according to the acquired scaling factor, display interval, and physical resolution, and displaying the preview picture on the display terminal at the display size and display interval;
  • FIG. 3 is a schematic diagram of functional modules of a first embodiment of a picture display device according to the present invention.
  • FIG. 4 is a schematic diagram of a refinement function module of the display module of FIG. 3.
  • the present invention provides a picture display method.
  • the picture display method includes:
  • Step S10 Obtain a physical resolution of the display terminal and a number of preview pictures
  • the display terminal can be a smart TV, a computer display, etc., and obtain the physical resolution of the display terminal and the number of preview images, and the physical resolution and the preview image (the preview image can be a preview icon and a picture displayed on the display terminal)
  • the number can be pre-stored in the memory of the display terminal.
  • it can be directly read from the memory of the display terminal, wherein the physical resolution is the highest displayable of the display terminal.
  • the number of pixels, the number of preview pictures is the number of preview pictures to be displayed in the display area of the display terminal.
  • Step S20 Acquire a scaling factor corresponding to the physical resolution according to the obtained physical resolution.
  • Determining a pixel density level of the display terminal according to the number of pixels in the horizontal direction of the acquired physical resolution, and obtaining a scaling factor corresponding to the pixel density level according to the pixel density level; or a vertical direction pixel point according to the acquired physical resolution The number is determined to determine the pixel density level of the terminal, and the scaling factor corresponding to the pixel density level is obtained according to the pixel density level.
  • step S20 includes:
  • Step S21 Determine a scaling factor corresponding to the physical resolution according to the number of pixels in the horizontal direction in the physical resolution, where the scaling factor includes a horizontal scaling value and a vertical scaling value.
  • the pixel density level of the current physical resolution is determined, thereby obtaining a scaling factor corresponding to the pixel density level, and for assisting understanding, the following example will enumerate the pixel density.
  • the classification is divided into three levels of examples:
  • Step S20 includes:
  • Step S201 Acquire a preset first scaling factor when the number of acquired physical resolution horizontal direction pixel points is in a first preset interval, where the first scaling factor includes a first horizontal scaling value and a first vertical scaling value;
  • the horizontal direction and the vertical direction mentioned in the present invention mean that if the display terminal display area is a rectangle, the length direction of the display area is a horizontal direction and the width direction is a vertical direction.
  • the number of the physical resolution horizontal direction pixels is in the first preset interval, determining that the pixel density level of the current display terminal is a low density, acquiring a preset first scaling factor corresponding to the low density, for example, the first The preset interval is [0, 640].
  • the obtained physical resolution is 640*480
  • the pixel density of the current display terminal is determined to be a low density, and a scaling factor corresponding to the low density is obtained, such as a horizontal scaling of the first scaling factor.
  • the value is 4 and the vertical scaling value is 2.
  • Step S202 when the acquired physical resolution horizontal direction pixel number is in the second preset interval, acquiring a preset second scaling factor, where the second scaling factor includes the second horizontal scaling value and the second vertical scaling value;
  • the obtained physical resolution horizontal direction pixel number is in the second preset interval, determining that the pixel density of the current display terminal is the intermediate density, acquiring a preset second scaling factor corresponding to the intermediate density, for example, the second pre- The interval is (640, 1920).
  • the obtained physical resolution is 1024*768
  • the scaling factor corresponding to the intermediate density is obtained, such as the horizontal scaling of the second scaling factor.
  • the value is 8 and the vertical scaling value is 4.
  • the number of pixels in the vertical direction according to the physical resolution can also be compared with the preset interval to determine the scaling factor.
  • Step S203 Acquire a preset third scaling factor when the number of acquired physical resolution horizontal direction pixel points is in a third preset interval, where the third scaling factor includes a third horizontal scaling value and a third vertical scaling value.
  • the obtained physical resolution horizontal direction pixel number is in the third preset interval, determining that the pixel density level of the current display terminal is the advanced density, acquiring a preset third scaling factor corresponding to the advanced density, for example, the third The preset interval is (1920, 3840).
  • the acquired physical resolution is 3840*2160
  • the pixel density of the current display terminal is determined to be an advanced density, and a scaling factor corresponding to the advanced density is obtained, such as a horizontal scaling of the third scaling factor.
  • the value is 12 and the vertical scaling value is 6.
  • the number of pixels in the vertical direction according to the physical resolution can also be compared with the preset interval to determine the scaling factor.
  • the horizontal scaling value is at a preset ratio to the vertical scaling value.
  • the first scaling factor, the second scaling factor, and the third scaling factor have a horizontal scaling value and a vertical scaling value ratio of 2:1. .
  • Step S30 Obtain a display interval between preview images according to the obtained physical resolution and the number of preview pictures.
  • the obtained physical resolution horizontal direction pixel number is divided by 10 times the number of preview images, and the obtained pixel is obtained.
  • the number is the horizontal display interval between the preview images; the same can be used to obtain the vertical display interval between the preview images.
  • the number of pixels in the direction is 640
  • the number of pixels in the vertical direction is 480
  • the number of preview images is 10.
  • the horizontal display interval between preview images is the number of pixels in the horizontal direction of the physical resolution. (640) divided by 10 times the number of preview images (10), that is, the horizontal display spacing between preview images is 6.4 pixels.
  • the vertical display spacing between preview images is 4.8 pixels.
  • step S30 includes:
  • Step S31 dividing the obtained number of physical resolution horizontal direction pixel points by the product of the preset value and the number of preview pictures, and obtaining a horizontal display interval between horizontal directions of the preview picture;
  • Dividing the number of pixels in the horizontal direction of the obtained physical resolution by the product of the preset value and the number of preview pictures, and obtaining a horizontal display interval between the horizontal directions of the preview picture, and the range of the preset value is preferably 5 to 15, preferably Is 10.
  • Step S32 dividing the obtained number of pixels in the vertical direction of the physical resolution by the product of the preset value and the number of preview pictures, and obtaining a vertical display interval between the vertical directions of the preview picture.
  • Dividing the number of pixels in the vertical direction of the obtained physical resolution by the product of the preset value and the number of preview pictures, and obtaining a vertical display interval between the vertical directions of the preview image, and the preset value preferably ranges from 5 to 15, preferably 10.
  • the horizontal display interval and the vertical display interval are acquired before and after, and it is feasible to acquire or arbitrarily acquire the horizontal display interval and the vertical display interval.
  • Step S40 Determine a display size of the preview picture according to the acquired scaling factor, display interval, and physical resolution, and display a preview picture on the display terminal according to the display size and the display interval.
  • Determining the display size of the preview image according to the obtained scaling factor, display interval, and physical resolution for example, by subtracting the preset multiple from the horizontal width of the physical resolution (the preset multiple may be a horizontal scaling value of the scaling factor, or previewing the image)
  • the horizontal display interval of the display interval and then divided by the horizontal scaling value of the scaling factor to obtain the horizontal display length of the preview image; similarly, the vertical display length of the preview image can be obtained, thereby displaying the length according to the horizontal
  • the vertical display length obtains the display size of the preview picture, and finally displays the preview picture in the display area of the display terminal according to the obtained display size and display interval.
  • step 40 includes:
  • Step S41 determining a horizontal display length of the preview picture according to the horizontal scaling value of the scaling factor, the horizontal display interval of the display interval, and the number of pixels in the horizontal direction of the physical resolution;
  • the horizontal display interval of the display interval of the physical resolution horizontal direction pixel minus the horizontal scaling value of the scaling factor
  • the horizontal scaling value of the scaling factor is 4, then the physical resolution horizontal direction pixel number is subtracted from the scaling factor.
  • the horizontal display length of the preview image is 153.6 pixels.
  • Step S42 determining a vertical display length of the preview picture according to a vertical scaling value of the scaling factor, a vertical display interval of the display interval, and a physical resolution vertical pixel number;
  • the difference between the vertical display interval of the display interval of the vertical scaling value of the scaling factor minus the vertical scaling value of the scaling factor may be obtained first, and then the obtained difference is divided by the scaling value of the vertical scaling factor, thereby Calculate the vertical display length of the preview image.
  • the calculation process is exemplified by specific numerical values: the physical resolution is 640*480, the vertical display interval is 4.8 pixels, and the horizontal scaling value is 2, then the physical resolution is first determined by the number of pixels in the vertical direction minus the scaling.
  • Step S43 obtaining a display size of the preview picture according to the determined horizontal display length and the vertical display length;
  • the display size of the preview image is the size of the rectangular area limited by the horizontal display length and the vertical display length.
  • Step S44 displaying a preview picture on the display terminal according to the display size and the display interval.
  • the preview image is displayed in the display size obtained, and is arranged in the display area of the display terminal according to the display interval (horizontal display interval and vertical display interval).
  • the physical resolution of the display terminal and the number of preview pictures are first acquired, and then the corresponding scaling factor is obtained according to the physical resolution; and the preview image is obtained according to the physical resolution and the number of preview pictures. Display interval; finally, the display size of the preview image is determined according to the obtained scaling factor, display interval, and physical resolution, and the preview image is displayed on the display terminal at the display size and display interval, so that the display size of the preview image can be based on the physical resolution and / or the corresponding number of preview pictures are adjusted accordingly, and arranged in the display area of the display terminal with a better display size and display interval, thereby avoiding the pixel density of the preview picture being too high or too low.
  • the present invention further provides a picture display device.
  • the picture display device includes: a first acquisition module 10, a second acquisition module 20, a third acquisition module 30, and Display module 40.
  • the first obtaining module 10 is configured to obtain a physical resolution of the display terminal and a number of preview pictures.
  • the display terminal can be a smart TV, a computer display, etc., and obtain the physical resolution of the display terminal and the number of preview pictures.
  • the physical resolution and the number of preview pictures can be pre-stored in the memory of the display terminal, when the display terminal needs to be acquired.
  • the first obtaining module 10 can directly read from the memory of the display terminal, wherein the physical resolution is the highest displayable number of pixels of the display terminal, and the number of preview pictures is displayed. The number of preview images to be displayed in the terminal display area.
  • the second obtaining module 20 is configured to obtain a scaling factor corresponding to the physical resolution.
  • the second obtaining module 20 determines the pixel density level of the display terminal according to the number of pixels in the horizontal direction of the acquired physical resolution, and obtains a scaling factor corresponding to the pixel density level according to the pixel density level; or according to the acquired physical resolution.
  • the number of pixels in the vertical direction is used to determine the pixel density level of the display terminal, and the scaling factor corresponding to the pixel density level is obtained according to the pixel density level.
  • the second obtaining module 20 is further configured to determine a scaling factor corresponding to the physical resolution according to the number of pixels in the horizontal direction in the physical resolution, wherein the scaling factor comprises a horizontal scaling value and a vertical scaling value.
  • the pixel density level of the current physical resolution is determined, thereby obtaining a scaling factor corresponding to the pixel density level, and for assisting understanding, the following example will enumerate the pixel density.
  • the classification is divided into three levels of examples:
  • the second obtaining module 20 includes:
  • the first scaling acquisition unit 201 is configured to acquire a preset first scaling factor when the acquired physical resolution horizontal direction pixel number is in the first preset interval, where the first scaling factor includes the first horizontal scaling value And a first vertical scaling value;
  • the horizontal direction and the vertical direction mentioned in the present invention mean that if the display terminal display area is a rectangle, the length direction of the display area is a horizontal direction and the width direction is a vertical direction.
  • the first scaling acquisition unit 201 determines that the pixel density level of the current display terminal is a low density, and acquires a preset first zoom corresponding to the low density.
  • the factor for example, the first preset interval is [0, 640], and when the acquired physical resolution is 640*480, the pixel density of the current display terminal is determined to be a low-level density, and a scaling factor corresponding to the low-level density is obtained, such as A scaling factor has a horizontal scaling value of 4 and a vertical scaling value of 2. In addition, it is also possible to compare the number of pixels in the vertical direction according to the physical resolution with the preset interval to determine the scaling factor.
  • the second scaling acquisition unit 202 is configured to acquire a preset second scaling factor when the acquired physical resolution horizontal direction pixel number is in the second preset interval, where the second scaling factor includes the second horizontal scaling value And a second vertical scaling value;
  • the second scaling acquisition unit 202 determines that the pixel density of the current display terminal is the intermediate density, and acquires a preset second scaling factor corresponding to the intermediate density.
  • the second preset interval is (640, 1920).
  • the acquired physical resolution is 1024*768
  • the scaling factor corresponding to the intermediate density is obtained, for example,
  • the horizontal scaling factor of the second scaling factor is 8 and the vertical scaling value is 4.
  • the number of pixels in the vertical direction according to the physical resolution can also be compared with the preset interval to determine the scaling factor.
  • the third scaling acquisition unit 203 is configured to acquire a preset third scaling factor when the acquired physical resolution horizontal direction pixel number is in the third preset interval, where the third scaling factor includes the third horizontal scaling value. And the third vertical scaling value.
  • the third scaling acquisition unit 203 determines that the pixel density level of the current display terminal is the advanced density, and acquires a preset third scaling corresponding to the advanced density.
  • the factor for example, the third preset interval is (1920, 3840).
  • the acquired physical resolution is 3840*2160
  • the scaling factor corresponding to the advanced density is obtained, such as The horizontal scaling factor of the three scaling factors is 12, and the vertical scaling value is 6.
  • the number of pixels in the vertical direction according to the physical resolution can also be compared with the preset interval to determine the scaling factor.
  • the horizontal scaling value is at a preset ratio to the vertical scaling value.
  • the first scaling factor, the second scaling factor, and the third scaling factor have a horizontal scaling value and a vertical scaling value ratio of 2:1. .
  • the third obtaining module 30 is configured to obtain a display interval between preview images according to the obtained physical resolution and the number of preview pictures;
  • the third obtaining module 30 obtains the display interval between the preview images according to the obtained physical resolution and the number of preview images, for example, dividing the obtained physical resolution horizontal direction pixel points by 10 times the number of preview images.
  • the number of pixels obtained is the horizontal display interval between preview images; similarly, the vertical display interval between preview images can be obtained.
  • the following is a specific numerical description, and the physical resolution obtained is 640*480.
  • the number of pixels in the horizontal direction of the physical resolution is 640
  • the number of pixels in the vertical direction is 480
  • the number of preview images is 10, and the horizontal display interval between preview images is the physical resolution level.
  • the number of directional pixels (640) divided by the number of preview images (10), that is, the horizontal display spacing between preview images is 6.4 pixels.
  • the vertical display spacing between preview images is 4.8. Pixel.
  • the display interval includes a horizontal display interval and a vertical display interval
  • the third obtaining module 30 includes:
  • the horizontal interval obtaining unit 31 is configured to divide the number of pixels in the horizontal direction in the acquired physical resolution by the product of the preset value and the number of preview pictures, and obtain a horizontal display interval between the horizontal directions of the preview picture;
  • the horizontal interval acquiring unit 31 divides the obtained physical resolution horizontal direction pixel number by the product of the preset value and the preview picture number, and obtains a horizontal display interval between the horizontal direction of the preview picture, and the preset value range is preferably 5 to 15, preferably 10.
  • the vertical interval obtaining unit 32 is configured to divide the number of pixels in the vertical direction in the acquired physical resolution by the product of the preset value and the number of preview pictures, and obtain a vertical display interval between the vertical directions of the preview picture.
  • the vertical interval obtaining unit 32 divides the obtained physical resolution vertical direction pixel number by the product of the preset value and the preview picture number, and obtains a vertical display interval between the vertical direction of the preview picture, the preset value.
  • the range is preferably from 5 to 15, preferably 10.
  • the horizontal display interval and the vertical display interval are acquired before and after, and it is feasible to acquire or arbitrarily acquire the horizontal display interval and the vertical display interval.
  • the display module 40 is configured to determine a display size of the preview picture according to the acquired scaling factor, display interval, and physical resolution, and display the preview picture on the display terminal according to the display size and the display interval.
  • the display module 40 determines the display size of the preview picture according to the obtained scaling factor, display interval, and physical resolution, for example, by subtracting the preset multiple from the horizontal direction width of the physical resolution (the preset multiple may be a horizontal scaling value of the scaling factor, Or the horizontal display interval of the display interval of the preview image, and then divided by the horizontal scaling value of the scaling factor to obtain the horizontal display length of the preview image; similarly, the vertical display length of the preview image can be obtained, thereby The display length and the vertical display length are used to obtain the display size of the preview picture, and finally the preview picture is displayed in the display area of the display terminal according to the obtained display size and display interval.
  • the preset multiple may be a horizontal scaling value of the scaling factor, Or the horizontal display interval of the display interval of the preview image, and then divided by the horizontal scaling value of the scaling factor to obtain the horizontal display length of the preview image; similarly, the vertical display length of the preview image can be obtained, thereby
  • the display length and the vertical display length are used to obtain the display size of the preview picture,
  • the display module 40 includes:
  • a horizontal length obtaining unit 41 configured to determine a horizontal display length of the preview picture according to a horizontal scaling value of the scaling factor, a horizontal display interval of the display interval, and a physical resolution horizontal direction pixel number;
  • the difference between the horizontal display interval of the display interval of the physical resolution horizontal direction pixel minus the horizontal scaling value of the scaling factor is first obtained, and then the horizontal length obtaining unit 41 divides the obtained difference by the horizontal scaling value of the scaling factor.
  • the horizontal display length of the preview picture is thus calculated.
  • the calculation process is exemplified by specific numerical values: the physical resolution is 640*480, the horizontal display interval is 6.4 pixels, and the horizontal scaling value is 4, then the physical resolution horizontal direction pixel number is subtracted from the scaling factor.
  • a vertical length obtaining unit 42 configured to determine a vertical display length of the preview picture according to a vertical scaling value of the scaling factor, a vertical display interval of the display interval, and a physical resolution vertical pixel number;
  • the difference between the vertical display intervals of the display intervals of the vertical resolution value of the scaling factor minus the vertical scaling value of the scaling factor may be first obtained, and then the vertical length acquisition unit 42 divides the obtained difference by the vertical scaling.
  • the scaled value of the factor to calculate the vertical display length of the preview image.
  • the calculation process is exemplified by specific numerical values: the physical resolution is 640*480, the vertical display interval is 4.8 pixels, and the horizontal scaling value is 2, then the physical resolution is first determined by the number of pixels in the vertical direction minus the scaling.
  • a display size obtaining unit 43 configured to obtain a display size of the preview image according to the determined horizontal display length and the vertical display length;
  • the display size of the preview image is the size of the rectangular area limited by the horizontal display length and the vertical display length.
  • the display unit 44 is configured to display a preview picture on the display terminal according to the display size and the display interval.
  • the display unit 44 displays the preview picture in the obtained display size, and arranges in the display area of the display terminal according to the display interval (the horizontal display interval and the vertical display interval).
  • the physical resolution of the display terminal and the number of preview pictures are first acquired, and then the corresponding scaling factor is obtained according to the physical resolution; and the preview image is obtained according to the physical resolution and the number of preview pictures. Display interval; finally, the display size of the preview image is determined according to the obtained scaling factor, display interval, and physical resolution, and the preview image is displayed on the display terminal at the display size and display interval, so that the display size of the preview image can be based on the physical resolution and / or the corresponding number of preview pictures are adjusted accordingly, and arranged in the display area of the display terminal with a better display size and display interval, thereby avoiding the pixel density of the preview picture being too high or too low.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Computer Graphics (AREA)

Abstract

La présente invention concerne un procédé d'affichage d'image, le procédé comprenant les étapes suivantes : acquérir une résolution physique d'un terminal d'affichage et le nombre d'images à pré-visualiser ; acquérir un facteur d'échelle correspondant à la résolution physique ; acquérir un intervalle d'affichage entre les images à pré-visualiser sur la base de la résolution physique acquise et du nombre d'images à pré-visualiser ; et déterminer des tailles d'affichage des images à pré-visualiser sur la base du facteur d'échelle acquis, de l'intervalle d'affichage acquis et de la résolution physique acquise, et afficher les images à pré-visualiser sur le terminal d'affichage selon les tailles d'affichage et l'intervalle d'affichage. La présente invention concerne également un dispositif d'affichage d'image. Dans la présente invention, les tailles d'affichage des images à pré-visualiser sont réglées selon des modifications de la résolution physique et/ou du nombre d'images à pré-visualiser, de telle sorte que les images sont agencées dans la zone d'affichage du terminal d'affichage avec des tailles d'affichage préférées et des intervalles d'affichage préférés, évitant ainsi que la densité de pixels d'image pré-visualisée soit trop élevée ou trop faible.
PCT/CN2016/084201 2015-12-17 2016-05-31 Procédé et dispositif d'affichage d'image WO2017101259A1 (fr)

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CN106528867A (zh) * 2016-12-02 2017-03-22 北京中交兴路车联网科技有限公司 一种图片显示的方法及装置

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