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Screen synthesis device and screen synthesis method

A technology for synthesizing devices and pictures, applied in the parts of instruments, TVs, color TVs, etc., can solve the problems of insufficient power saving effect and no consideration of processing burden, etc.

Inactive Publication Date: 2016-03-23
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the above-mentioned prior art, there is a problem that the processing load (for example, the above-mentioned processing cost) in the pre-synthesis of the foreground image and the background image is not considered.
Therefore, in the above-mentioned conventional technology, there may be cases where a sufficient power saving effect cannot be obtained.

Method used

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  • Screen synthesis device and screen synthesis method
  • Screen synthesis device and screen synthesis method
  • Screen synthesis device and screen synthesis method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0057] figure 1 A block diagram showing the configuration of the screen synthesis device 100 according to the present embodiment is shown.

[0058] exist figure 1 In the shown screen composition device 100 , an application group 101 indicates a group of applications that use the screen composition device 100 . For example, the application group 101 is composed of a collection of applications such as application 1, application 2, . . . , application N, and the like.

[0059] The object information buffer 102 stores object information representing actual data such as image data and text drawn by each application of the application group 101 . The target information represents the target information of each display layer, that is, the display content of the display layer actually displayed in the defined display layout.

[0060] For example, figure 2 Represents each display layer included in the display layout. in addition, image 3 express figure 2 Target information fo...

Embodiment approach 2

[0107] Figure 8 It is a block diagram showing the configuration of the screen synthesizing device 200 of this embodiment. In addition, in Figure 8 In the same way as in Embodiment 1 ( figure 1 ) use the same symbols for the same constituent elements and omit descriptions.

[0108] exist Figure 8 In the shown screen compositing device 200 , compositing destination allocation determining section 201 selects compositing destinations of drawing content (display layer) of each application in application group 101 similarly to compositing destination allocation determining section 105 in Embodiment 1. For example, Figure 8 Composition destination allocation determination section 201 shown selects either one of upper layer frame composition buffer 107 and lower layer frame composition buffer 109 as the composition destination of the display layer. At this time, compositing destination allocation determining section 201 further determines whether or not to divide the display ...

Embodiment approach 3

[0129] Figure 13 It is a block diagram showing the structure of the screen synthesizing device 300 of this embodiment. In addition, in Figure 13 In the same way as in Embodiment 2 ( Figure 8 ) use the same reference numerals for the same constituent elements and omit descriptions.

[0130] exist Figure 13 In the shown screen compositing device 300 , the divisible object type DB 301 stores information for judging whether or not to divide the layout of the display layer in the compositing destination allocation determination process of the compositing destination allocation determining section 302 . Here, the divisible object type DB 301 stores information indicating an object type (that is, an attribute of the display content of the display layer) that can be divided into the layout of the display layer in the compositing destination determination process. For example, Figure 14 An example of information indicating object types that can be divided into the layout of t...

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PUM

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Abstract

Disclosed when compositing a plurality of display surfaces including moving images, the picture synthesis apparatus can further obtain a power saving effect without affecting the display results. In the apparatus, the upper frame synthesis unit (106) synthesizes the input display layer to the first frame, the lower frame synthesis unit (108) synthesizes the input display layer to the second frame, the display screen synthesis output processing unit (112) synthesizes the first frame and the second frame, generates a display screen, the synthesis destination allocation decision unit (105) input comprises the first frame as the first display layer of the synthesis destination candidate and the second frame as the synthesis destination candidate of the second display layer of the plural display layer, Based on the layout information representing the position relationship between the decision object display layer in a plurality of display layers and the decision reference area corresponding to the decision object display layer, and the synthesis cost of the first and second frames, the decision will be composed of the judgment object display layer into which frames in the first and second frames.

Description

technical field [0001] The present invention relates to a screen synthesis device and a screen synthesis method for synthesizing a plurality of display screens including moving images. Background technique [0002] In recent years, the functions of mobile terminal devices have been continuously improved, such as high-quality video playback, large-screen display, and multi-application support. With the increase in functionality of mobile terminal devices, it is important how to combine and display pictures in a plurality of applications with power saving. [0003] As a conventional technique for synthesizing a plurality of display screens (display layers) including moving images, that is, screen synthesis, for example, the technique disclosed in Patent Document 1 is known. In the technique of Patent Document 1, a video frame, a background frame, and a foreground frame are generated separately. Furthermore, in the technique of Patent Document 1, a screen image is generated b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/265
CPCH04N5/2624H04N5/265G09G5/377
Inventor 冈敏夫
Owner PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA