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Device and method for sending and receiving apparatus through communication network

A communication network, a technology for receiving data, applied in the direction of digital output to display devices, image communication, security communication devices, etc., can solve problems such as image quality degradation

Inactive Publication Date: 2004-03-31
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, while maintaining the screen size, the image quality is severely degraded

Method used

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  • Device and method for sending and receiving apparatus through communication network
  • Device and method for sending and receiving apparatus through communication network
  • Device and method for sending and receiving apparatus through communication network

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Experimental program
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Embodiment Construction

[0016] figure 1 is a block diagram of a device structure with lower data rate and less image quality degradation.

[0017] figure 1 The shown device includes: a communication network 10; a screen size determining device 11, used for determining the screen size of an input image signal according to a control signal; an encoding device 12, used for encoding an input image signal according to the determined screen size; a first control means 13 for outputting a control signal for determining the size of the screen by evaluating the state of the communication network 10, and transmitting the encoded image signal through the communication network 10; decoding means 14 for decoding the image signal transmitted through the communication network 10; display means 15, for displaying the decoded image signal; and second control means 16, for controlling the decoding and display of the transmitted image signal by evaluating the status of the communication network 10.

[0018] figure ...

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Abstract

An image display apparatus having a lower data transmission speed and less degradation of the image quality for displaying the image having a lower data-rate according to the state of a communications network and a method for enabling the same are provided. The apparatus, which transmits and receives data by way of the communications network, includes a screen size determiner which determines the screen size of image signals input according to control signals; an encoder which encodes the image signals according to the determined screen size; a controller which outputs control signals which determine the screen size by evaluating the state of the communications network and for transmitting the encoded image signals through the communications network; a decoder which decodes the image signals transmitted through the communications network; and a display which displays the decoded image signals.

Description

technical field [0001] The present invention relates to an image display device and a method of displaying an image, and more particularly to a device and method having a lower data transmission rate and less deterioration in image quality, the device being used to transmit data at a lower data rate according to the state of a communication network Display Data. Background technique [0002] IMT-2000, the next-generation mobile communication system, can utilize widely used portable personal information terminals to provide image transmission services in addition to voice and text services. The image transmission of IMT-2000 includes storage and transmission of still and moving images according to international standards for digital image compression such as H.263 or MPEG4 which is already available. [0003] When encoding images using H.263, an input image signal (progressive image) composed of frames is input to a discrete cosine transform (DCT) processor (not shown), and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/14H04L29/06H04N7/24
CPCH04L29/06027H04N21/6377G09G2340/02H04L65/602G06F3/14H04N21/2662H04L29/06H04L65/80H04N21/658H04N21/2402H04L65/762H04L65/752H04N7/14H04L9/40H04L65/1101
Inventor 徐廷旭金容帝
Owner SAMSUNG ELECTRONICS CO LTD
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