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Method and system for transmitting digitized moving images from a transmitter to a receiver and a corresponding decoder

A moving image and receiver technology, applied in the field of transmitting digital moving images and systems from the transmitter to the receiver and the corresponding decoder, can solve problems such as quality loss

Inactive Publication Date: 2006-01-04
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This will cause a noticeable loss of quality in the displayed video image

Method used

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  • Method and system for transmitting digitized moving images from a transmitter to a receiver and a corresponding decoder
  • Method and system for transmitting digitized moving images from a transmitter to a receiver and a corresponding decoder

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Embodiment Construction

[0040] A system for transmitting digitized moving pictures is shown in FIG. 1, which has a transmitter and a receiver. The system, image decoder, method of transmitting digitized moving images from a transmitter to a receiver, or a method for decoding is described next.

[0041] Fig. 1 shows an encoder 101 for encoding moving pictures. The coded moving pictures should be transmitted (as compressed as possible, ie resource-saving) to the decoder 110 , wherein the decoder 110 preferably works according to a coding standard such as MPEG-4 or H.263. For this purpose, an extension is created in the protocol structure, which comprises blocks 102-104 on the encoder side and blocks 107-109 on the decoder side. The purpose of this extension of the protocol structure is to transparently provide the decoder 110 with an additional service, ie an error-tolerant and error-treated image data stream. In this case, on the one hand, the transmission via the transmission channel (105 or 106) c...

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PUM

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Abstract

The invention relates to a method for transmitting digitized moving images (image data stream) from a transmitter to a receiver. The image data stream that is subdivided into priority classes is transmitted by means of a predetermined protocol to the receiver with the aid of an adaptation layer located at the transmitter. At an adaptation layer of the receiver, transmission errors are determined, subjected to an error processing and fed to an image decoder.

Description

technical field [0001] The present invention relates to a method and system for transmitting digitized moving pictures from a transmitter to a receiver. Furthermore, the invention relates to a corresponding (image-)decoder. Background technique [0002] Methods for processing digitized image data, in particular image compression methods, are known to those skilled in the art (see, for example, the image compression standards MPEG-2, MPEG-4 or H.26x). [0003] In this context, it is also known to transmit an image data stream containing a sequence of digitized moving images from a transmitter to a receiver in such a way that information with an important information content is transmitted first. This is preferably achieved by using so-called priorities, by means of which the information content of the moving image sequence is classified. As a result, the image data are transmitted according to their priority, so that data with an important information content can be transmi...

Claims

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Application Information

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IPC IPC(8): H04N7/26H04N7/64H04N7/24H04L1/00H04L29/06H04N19/37H04N19/89
CPCH04L29/06027H04L29/06469H04N21/6437H04N7/26356H04L29/0651H04N19/00454H04N19/00933H04L29/06523H04N21/234327H04L65/608H04N7/64H04L65/4092H04L29/06462H04N21/2381H04L29/06517H04L65/4084H04L65/607H04L65/80H04N19/37H04N19/89H04L65/613H04L65/612H04L65/65H04L65/70H04L65/1101
Inventor G·巴瑟F·布尔克特J·潘德尔S·普雷特T·斯托克哈梅
Owner SIEMENS AG