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Display control apparatus and display control method

一种图像控制、设备的技术，应用在显示控制设备和显示控制领域，能够解决不能充分享受大屏幕显示器好处、不适不能被充分消除、显示尺寸不能自适应性地控制等问题

Inactive Publication Date: 2008-04-02
CANON KK
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006]3. When watching for a long time
As a result, the display size cannot be adaptively controlled according to the degree of resolution reduction
Therefore, the discomfort experienced by the viewer due to the difference in resolution cannot be sufficiently eliminated
In addition, low-resolution images are always displayed at a reduced scale and cannot fully enjoy the benefits of large-screen displays

Method used

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  • Display control apparatus and display control method
  • Display control apparatus and display control method

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Embodiment Construction

[0032] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.

[0033] first exemplary embodiment

[0034]FIG. 1 is a block diagram of a display controller device 100 that determines a display size according to a resolution change amount and a viewing distance according to a first exemplary embodiment of the present invention. The tuner unit 101 receives broadcast waves, and outputs an image signal to a downstream unit. The external signal receiving unit 102 is an interface for an image signal output from a video tape recorder, a set-top box, or the like. The image signals output from the tuning unit 101 and the external signal receiving unit 102 are encoded. The decoding unit 103 decodes the encoded image signal. In addition, the decoding unit 103 demultiplexes the signal to separate the audio signal and the image signal from the multiplexed signal. The resolution detection unit 104 detects the resolution of an i...

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Abstract

An image control apparatus includes a signal-receiving unit to which image signals are input, a resolution detecting unit configured to detect the resolution of the input image signals, a viewing-distance detecting unit configured to detect a viewing distance between a viewer and a display apparatus, a display-size control unit configured to control a display size of images displayed in the display apparatus, a scaling unit, and an output unit configured to output the images scaled by the scaling unit to the display apparatus. When the resolution of images is changed, the scaling unit scales the image signals in accordance with the amount of change in resolution and the viewing distance, and outputs the signals to the display apparatus.

Description

technical field [0001] The present invention relates to a display control device and display control method for controlling display of image content, and more particularly, to a display control device and display control method for scaling an image display size according to an environment in which image content is viewed. Background technique [0002] Hitherto, image standards for digital broadcasting have been divided into a high definition television (HD) type and a standard definition television (SD) type. Currently, research on Super Hi-Vision and the like is underway, and a high-definition and highly realistic image standard superior to HD (hereinafter abbreviated as OverHD) will replace HD in the future. With this standard, display devices will have higher resolutions and their screen sizes will also increase. On the other hand, it can be expected that HD content and SD content will still coexist with OverHD content. [0003] When low-resolution content is upscaled a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/015G09G5/373G09G5/391
CPCH04N7/26335H04N7/465G09G2320/08G09G2340/0414G09G2340/0421H04N19/00757H04N19/00533G09G2340/02G09G5/005H04N19/44H04N19/59
Inventor 森川健一福田哲荒谷俊太郎
Owner CANON KK
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