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Image synthesizing device

一种图像合成、运动图像的技术，应用在图像通信、图像数据处理、图形图像转换等方向，能够解决管理字符串数据等问题

Inactive Publication Date: 2009-11-11
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since character string data other than rectangular still images cannot be managed in a rectangular area, there is a problem that the character string data needs to be arranged again on the moving image data every time the moving image data is updated.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0015] figure 1 is a configuration diagram showing the image synthesis device according to Embodiment 1 of the present invention.

[0016] exist figure 1 In the image synthesizing device of , it is shown that moving image data A is input as graphics data to be synthesized, and immobile graphic data (character string data B, still image data C, rectangular image data D) is input as graphics data to be synthesized example of.

[0017] In the figure, a data expansion unit 1 is composed of a graphic data expansion unit 2 and a moving image data expansion unit 3, and supplies moving image data A to the moving image data expansion unit 3, and supplies character string data B, still image data C, and rectangular image data The data D, the layout information LA for moving images, the layout information LB for character strings, the layout information LC for still pictures, and the layout information LD for rectangular pictures are supplied to the graphic data development unit 2 .

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Abstract

An image synthesizing device includes a graphics data expanding unit 2 for securing a rectangular area 4 a whose alpha value is "0" in a region of a non-display memory 4 , the region corresponding to a display area in which moving image data is to be displayed, and for expanding motionless graphics data onto a region of the non-display memory 4 , the region corresponding to a display area in which the motionless graphics data is to be displayed, and a moving image data expanding unit 3 for expanding the moving image data onto a non-display memory 5 . The image synthesizing device then synthesizes the graphics data which are expanded onto the non-display memory 4 and the graphics data which are expanded onto the non-display memory 5.

Description

technical field [0001] The present invention relates to an image synthesizing device that, for example, synthesizes a moving image and a still image or a character string. Background technique [0002] In the existing superimposition technology of image data, when still image data is superimposed on moving image data, each time the moving image data is updated, unless the still image data is rearranged on the moving image data, it cannot be updated. composite image. [0003] On the other hand, if the rectangular area in which the still image data is arranged is managed as mask data, even if the moving image data is updated, the composite image can be updated without re-arranging the still image data on the moving image data. [0004] However, since character string data other than rectangular still images and the like cannot be managed in a rectangular area, character string data must be placed on the moving picture data every time the moving picture data is updated. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/36G09G5/377G09G5/00G06T15/00G06T3/00H04N5/265
CPCG09G5/393H04N5/45H04N21/4316G09G2340/12G09G5/399G09G2320/0261G06T15/503
Inventor 内藤麻奈美椿泰范田中敦
Owner MITSUBISHI ELECTRIC CORP
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