JP2541106B2 - Media presentation method and device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a media presentation method and apparatus, and more particularly to moving images, text, graphics,
When presenting various media such as animation on the window, the media information is displayed according to the display parameters such as the presentation start time on the window, the presentation end time, the position and size of the window on the screen, hue, brightness, illuminance, and resolution. And a device therefor.

[0002]

2. Description of the Related Art In recent years, it has become possible to record multimedia information such as moving images, texts, graphics, animations, etc. on an electronic medium and edit and present this information in a computer in an integrated manner.

In order to present the application software using these multimedia on the window of the display image, the presentation start and end timing of each media, the presentation position and presentation size of the window on the screen, and the hue, brightness, A scenario that describes presentation parameters such as illuminance, density, and resolution is required.

According to this scenario, the following methods have been known so far when presenting media on the screen.

That is, as described in Japanese Patent Application No. 03-327222, the position and size on the screen from the presentation start time to the presentation end time are described, and the position of the window is described according to this description. The size is changed and presented.

[0006]

In the above-described conventional media presentation method, since the presentation parameters such as hue, brightness, illuminance, density, and resolution of the image of the media displayed in the window cannot be described, fade-in, fade-out, color It has a drawback that visual effects such as conversion and mosaic cannot be realized on the screen.

[0007]

According to the media presentation method of the present invention, when one or more media representing expressions such as moving images, texts, graphics, and animations are presented as windows on the screen, a presentation time T _0. And the end time T _n and one or more desired times T _j between them, the position and size of the window, the hue at the time of display, the luminance, the illuminance, the density, and the resolution, together with the name of the media, a presentation parameter. The information is created and stored, and at the specified time, the process of reading the presentation parameter information and the times T ₀ and T
For any time other than the designated time between _n , at the designated time that is temporally adjacent to the arbitrary time, obtain the presentation parameter at the time when performing the interpolation based on the presentation parameter information and displaying. Processing and
A process of reading out the media data designated by the previously stored presentation parameter information and converting it into data to be displayed based on the presentation parameter information, and outputting the data to be displayed to a display unit at a corresponding time and displaying it. It is characterized by consisting of processing.

Further, the media presentation device of the second invention is
A media management unit that stores in advance one or more media data representing a moving image, text, graphics, animation, etc., and a presentation start time when the media is presented as a window on the screen, its presentation end time, and the presentation. The position of the window, the size thereof, the hue, brightness, illuminance, density, and resolution when the window is presented to the window for each of the desired times between the start time and the end time, and the name of the media data for each time. A data management unit that is stored as presentation parameter information in association with the time, a time management unit that starts and outputs time generation when a start command is received, and a calculation that generates presentation parameter information at a time other than the designated time. And the media data corresponding to the presentation parameter information An image processing unit that performs processing according to the display parameter information and outputs as display data, a display unit that displays the output display data as a window, and reads out the presentation parameter information from the data management unit and outputs the start command. The data processing unit stores the arbitrary time between the presentation start time and the end time other than the time designated by the presentation parameter information by activating the time management unit and receiving the time signal. The media data specified by the presentation parameter information is interpolated based on the presentation parameter information that is read from the media management unit, and the display data is displayed based on the presentation parameter information for each time by the image processing unit. Control to generate and output to the display unit to present a desired window It is configured by a management unit.

[0009]

The media presentation method according to the present invention is intended for a scenario that describes a presentation method of media data such as moving images, texts, graphics, and animations.

The media data described in the scenario is managed in window units. Each window has a time T _{0 at} which presentation is started and a time T _{n at} which presentation is ended.

In the present invention, the window position (X, Y), the size (DX, DY), and the hue (H) of the media data displayed in the window are displayed from the window presentation start time to the window presentation end time. ), Luminance (B), illuminance (C), density (S), and resolution (R) are gradually changed.

For example, by changing the brightness B from 0 to a standard value, the effect of fade-in is obtained, and by the opposite change, the effect of fade-out is obtained.

The window size (DX and DY)
You can zoom in and out by zooming in and out. Further, the mosaic effect can be obtained by changing the resolution R and increasing the pixel size.

A, which is the presentation parameter information of the media data, is defined as follows.

A = (X, Y, DX, DY, H, B, C,
S, R).

Presentation start time T ₀ and presentation end time T _n and any time T ₁ , T ₂ , ..., T _{n-1 between them} , where T ₀ <T ₁ <... <T _n-1 <T _n Here, the presentation parameter information when n = i is A _i, and A _i is referred to as presentation parameter information as follows. That is,
A _i = (X _i , Y _i , DX _i , DY _i , H _i , B _i , C
_i , S _i , R _i ), where i = 0, ..., N.

At the time i, the above-mentioned presentation parameter A _i is an image to be presented, whose coordinates on the screen, for example, the coordinates of the upper left corner are X _i and Y _i , and the size of the screen is in the X and Y directions. , DX _i and DY _i , respectively, showing that the hue is H _i , the luminance is B _i , the illuminance is C _i , the density is S _i , and the resolution is R _i .

FIG. 2 is an explanatory diagram showing an example of the format of the presentation parameter information for each media. In FIG. 2, the type represents the type of media such as moving images, texts, graphics, and animations.

During the execution of the presentation, when the time becomes T ₀ , the size (D ₀ ) at the position (X ₀ , Y ₀ ) on the screen is displayed.
X ₀ , DY ₀ ) window opens, and hue H ₀ , brightness B
_According to the parameters of ₀ , illuminance C ₀ , density S ₀ , and resolution R ₀ , a media having the name of the media N shown in FIG. 2 is presented.

At time t between time T ₀ and time T ₁ , the presentation parameter information A ₀ and A ₁ (t-
The value of the presentation parameter is obtained by interpolating the T ₀ ) pair (T ₁ −t), and the presentation parameter becomes A with the passage of time.
_It varies from ₀ to A ₁ .

Similarly, when the time t is T _i <t <T _{i + 1} , the presentation parameter is the interpolation of A _i and A _{i + 1} , A _t =
[(T _{i + 1} −t) · A _Ti + (t−T _i ) · A _{Ti + 1} ] /
Given by (T _{i + 1} −T _i ), when t reaches T _n , the window disappears from the screen and the presentation ends.

FIG. 3 is an explanatory diagram showing an example in which zoom-in and zoom-out are performed in the format of the presentation parameter information similar to that of the explanatory diagram of FIG.

FIG. 3 shows the time 1 from the presentation parameter information.
The window appearing at the position of coordinates (320, 200) at 0 second zooms in to a horizontal size of 480 and a vertical size of 300 in 2 seconds until time 12 seconds, and is displayed as it is until time 18 seconds. , Coordinates (0,
An example is shown in which zoom-out is designated for 2 seconds toward the corner of the screen represented by 0).

FIG. 4 shows an example in which the presentation of fade-in and fade-out is performed on the screen by the same presentation parameter information as in FIG.

That is, in order to increase the brightness from 8 seconds to 10 seconds (fade in) and decrease the hue from 18 seconds to 20 seconds, the image is changed from color display to monochrome display, and from 48 seconds to 50 seconds. It fades out over a second.

[0026]

Embodiments of the present invention will now be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of an apparatus to which the media presentation method of the present invention is applied.

The media presentation device of the present embodiment is, for example, a data management unit 12 that manages presentation parameter information in the format shown in FIGS. 2 to 4, and is activated upon receipt of an activation signal to generate and output a time signal. a time management unit 13, upon receiving a calculation request of each element of the presentation parameter a _t at time t, and a calculation unit 14 for calculating the elements of the presentation parameters for the specified time t output.

Further, the media presentation device is a moving image, text, which is media data to be presented as an image.
When a media management unit 15 that stores and manages graphics, animation, etc. in advance and a predetermined processing command are received, the hue, brightness, illuminance, density, and density of the media data are displayed according to the presentation parameters designated by this command.
An image processing unit 16 that changes the resolution and generates and outputs display data to be displayed on a screen having a visual effect, and a display unit 17 that displays the display data output by the image processing unit 16 as an image.

Further, the media presentation device shown in FIG.
When a start signal is output to activate the time management unit 13, the time output from the time management unit 13 is received after the activation, the data management unit 12 is referred to, and when the designated presentation start time is reached,
The media data based on the presentation parameter information is read from the media data management unit 15, a processing command is output to the image processing unit 16, and display data obtained by performing processing on the media data based on the presentation parameter information is output. The data is controlled to be output to the display unit 17 for display, and when the time is not the time corresponding to the presentation parameter information, based on the presentation parameter at the time corresponding to the presentation parameter information adjacent to this time. The calculation unit 14 includes an edit management unit 11 that controls the calculation of the presentation parameter information by interpolating the presentation parameter information.

It should be noted that the editing management section 11 determines that the current time t is T.
_It has a counter i representing _i <t <T _{i + 1} .

FIG. 6 is a flow chart for explaining an example of processing of the media presentation method of the present invention. Below, according to FIG.
The method of presenting the media will be described.

The edit management unit 11 reads out the presentation start time T ₀ and the presentation parameter information A ₀ at that time from the data management unit 12 for the media data having a desired name (step 101).

Subsequently, the edit management unit 11 is connected to the time management unit 1
The time 0 is set to 3 and the generation of the time is started (step 102).

The edit management unit 11 reads the current time t generated by the time management unit 13 (step 103).

The edit management unit 11 compares t with T ₀ ,
When t is smaller, the process returns to step 103, and otherwise, proceeds to step 105 (step 10
4).

When t becomes T ₀ or more, the edit management unit 11 reads out the presentation start time T ₁ and the presentation parameter information A ₁ at that time from the data management unit 12 (step 10).
5) The value 0 is set as the value i of the built-in counter described above (step 106).

Subsequently, the edit management section 11 is connected to the time management section 1
The current time t is read from 3 (step 107).

The edit management unit 11 compares T _{i + 1} with t. If T _{i + 1} is smaller, the process proceeds to step 109. Otherwise, the process proceeds to step 113 (step 113). Step 108).

In step 109, the edit management unit 11 sends T _i , A _i , T _{i + 1} , A _{i + 1} and the current time t to the calculation unit 14, and the presentation parameter information is obtained by interpolation as described above. receive to calculate the a _t.

The edit management portion 11, subsequently, reads the media data corresponding the media management unit 15 (step 110), and outputs these media data and the presentation parameter information A _t to the image processing unit 16, a visual effect The added display data is generated and taken into the edit management unit 11 (step 111).

The edit management section 11 outputs the fetched display data to the display section 17 to display it (step 112), and proceeds to step 107.

On the other hand, the edit management unit 11 compares T _n with t when t is larger than T _{i + 1 in} step 108 described above, and proceeds to step 114 when T _n is smaller. Otherwise, to step 115 (step 113).

When T _n is smaller than t in step 113, the editing management section 11 erases the window from the screen and ends the processing (step 114).

When t is equal to or smaller than T _{n in} step 113, the edit management section 11 sets i by adding 1 to the value of the counter i (step 115), and the data management section 12 outputs T. _{i + 1} and the presentation parameter information A _{i + 1} at that time are read (step 116) and the process proceeds to step 107.

In the above embodiments, the case where one piece of media data is presented has been described, but the case where two or more pieces of media data are desired to be presented can be easily dealt with.

For example, the presentation parameter information in the format shown in FIG. 2 can be prepared for a plurality of pieces of media data to be presented, and the images can be presented for the media data for which all the presentation parameter information has been created.

FIG. 5 shows an example of presentation parameter information about two pieces of media data having the names of media 1 and media 2, respectively, and the position and size of the window for these two pieces of media data. By setting and to be the same, and at the same timing, one is set to fade out (media 1) and the other is set to fade in, and a dissolve effect in which the screen is gradually switched can be obtained.

[0049]

As described above, the method and apparatus for presenting media according to the present invention uses not only the position and size of the window for presenting media, but also the hue, brightness, illuminance, density and resolution according to the presentation parameter information. By giving each time, it is possible to freely give changes corresponding to the passage of time, and to give freedom to visual changes such as window movement, zooming, fade-in, fade-out, color conversion, and mosaic. It has the effect that

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an apparatus to which a media presentation method of the present invention is applied.

2 is an explanatory diagram showing an example of a storage format of presentation parameter information stored in a data management unit shown in FIG. 1. FIG.

FIG. 3 is an explanatory diagram showing an example of a storage format for zooming in and out in the storage format of the presentation parameter information of FIG.

FIG. 4 is an explanatory diagram showing an example of a storage format of presentation parameter information for fade-in and fade-out.

FIG. 5 is an explanatory diagram showing an example of a storage format of presentation parameter information for obtaining a dissolve effect.

FIG. 6 is a flowchart illustrating a media presentation method of the present invention.

[Explanation of symbols]

 11 edit management unit 12 data management unit 13 time management unit 14 calculation unit 15 media management unit 16 image processing unit 17 display unit

Claims (2)

(57) [Claims] 1. A presentation time T ₀ when presenting one or more media representing expressions such as moving images, texts, graphics, animations, etc. as windows on the screen.
And the end time T _n and one or more desired times T _j between them, the position and size of the window, the hue at the time of display, the luminance, the illuminance, the density, and the resolution, together with the name of the media, a presentation parameter. Information is created and stored, and at the specified time,
The process of reading the presentation parameter information and the time T
For any time other than the specified time between ₀ and T _n , the presentation at the time when the interpolation is performed based on the presentation parameter information at the specified time adjacent to the arbitrary time and displayed. A process of obtaining a parameter, a process of reading the media data designated by the pre-stored presentation parameter information and converting it into data to be displayed based on the presentation parameter information,
A method for presenting media, comprising the step of outputting the data to be displayed on a display unit at a corresponding time and displaying the data. 2. A media management unit that stores in advance one or more media data representing expressions such as moving images, texts, graphics, animations, and a presentation start time when the media is presented as a window on a screen, End time, the position of the window for each of the desired time between the presentation start time and the end time, its size, hue when presented to the window, brightness,
A data management unit that stores illuminance, density and resolution for each of the times as presentation parameter information in association with the name of the media data, and a time management unit that starts and outputs the generation of the time when a start command is received, A calculation unit that generates presentation parameter information at a time other than the designated time, an image processing unit that performs processing according to the presentation parameter information on media data corresponding to the presentation parameter information, and outputs the display data as output data, A display unit that displays the displayed display data as a window, and reads the presentation parameter information from the data management unit, outputs the activation command, activates the time management unit, receives a time signal, and is designated by the presentation parameter information. At any time between the presentation start time and its end time other than In this case, the calculation unit performs interpolation based on the presentation parameter information stored in the data processing unit, reads out the media data specified by the presentation parameter information from the media management unit, and reads each by the image processing unit. And an edit management unit that performs control to generate the display data based on the presentation parameter information and output the display data to the display unit to present a desired window with respect to time.