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Video data generation unit, video image display device, video data generation method, video image display method, and video image file data structure

A technology of data generation and generation unit, applied in the direction of image communication, electrical components, video games, etc., to achieve the effect of smooth responsiveness

Active Publication Date: 2014-04-02
SONY COMPUTER ENTERTAINMENT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Improving the efficiency with which images are displayed, whether the images are moving or still, is an important and ongoing challenge

Method used

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  • Video data generation unit, video image display device, video data generation method, video image display method, and video image file data structure
  • Video data generation unit, video image display device, video data generation method, video image display method, and video image file data structure
  • Video data generation unit, video image display device, video data generation method, video image display method, and video image file data structure

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Embodiment Construction

[0036]According to the present embodiment, when a moving image is displayed, the display area can be moved corresponding to a request from the user to move the viewpoint. Moving the viewpoint includes moving the viewpoint closer to or away from the image plane when playing back the moving image, and correspondingly enlarging or reducing the moving image. In such an embodiment, the wider the variable range of resolution expands, and the larger the size of the image becomes, the more difficult it is to display movement of the requested area with smooth and good responsiveness in response to user's operation input image.

[0037] Therefore, according to the present embodiment, data of a moving image to be displayed is configured in a hierarchical structure in which frames of a moving image are expressed with a plurality of resolutions and arranged in layers in order of resolution. Furthermore, a moving image stream is formed for each block obtained by spatially dividing a frame ...

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Abstract

An objective of the invention is to make a video image frame into a hierarchical structure represented with a plurality of resolutions. With a zeroth layer (30), a first layer (32), a second layer (34), and a third layer (36) in order by increasing resolution, layer data which denotes a frame at a time (t1) treats the zeroth layer (30) and the second layer (34) as base image layers, and the first layer (32) and third layer (36) as difference image layers. In such a circumstance, when a region (124a) is displayed with the resolution of the third layer (36), an image of a corresponding region (126a) which the second layer (34) retains is enlarged to the resolution of the third layer (36) and each pixel value added to a difference image of a region (124a) which the third layer (36) retains. The layer which is treated as the difference image layer is switched with the passage of time (t2, t3, ...).

Description

technical field [0001] The present invention relates to a moving image data generating device that generates data on moving images, a moving image display device that displays moving images, and a moving image data generating method and a moving image display method realized by these devices. Background technique [0002] Home entertainment systems are proposed to be able to play back moving images and run game programs. In home entertainment systems, GPUs generate three-dimensional images using polygons (for example, see Patent Document 1). [0003] Improving the efficiency with which images are displayed, whether the images are moving or still, is an important and ongoing challenge. Therefore, various technologies have been developed and put into practical use in various ways, such as compression technology of image data, transmission technology, image processing technology, and display technology, which allow high-definition images to be enjoyed in various scenes in a fa...

Claims

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Application Information

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IPC IPC(8): H04N21/432H04N5/85G11B27/10G11B27/034G06F9/445A63F13/40A63F13/53H04N5/92H04N5/93H04N19/102H04N19/162H04N19/169H04N19/33H04N19/50H04N19/96H04N21/234H04N21/236H04N21/85
CPCH04N19/00757G06T11/00H04N1/00H04N19/00436H04N19/00424H04N19/33H04N19/59H04N21/234327H04N21/23439H04N21/8456H04N19/115H04N19/162H04N19/174H04N19/187H04N5/76H04N9/8042H04N19/30H04N5/92H04N5/93
Inventor 稻田彻悟大场章男势川博之
Owner SONY COMPUTER ENTERTAINMENT INC
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