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Method for adding Chinese station identification sign of digital TV set

A technology for Chinese stations and televisions, which is applied to the field of adding Chinese station logos to digital televisions, can solve the problems of unclear, inconvenient for TV viewers to watch TV programs, and lack of Chinese text descriptions, etc., and achieve the effect of improving the use performance.

Inactive Publication Date: 2008-04-23
TIANJIN SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the rapid development of the radio and television industry, more and more channels can be watched at home and abroad, but the logos of many local and even overseas TV channels only have iconic graphic symbols or foreign words, and there are no Chinese text descriptions, such as domestic Shandong, Shanghai, Zhejiang and Hong Kong Phoenix Satellite TV and other channels are graphic symbols. Foreign countries such as National Geographic magazine have the National Geography logo. When people want to find certain TV channels, they can only rely on their memory. What channel brings a lot of inconvenience to TV viewers watching TV programs

Method used

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  • Method for adding Chinese station identification sign of digital TV set
  • Method for adding Chinese station identification sign of digital TV set
  • Method for adding Chinese station identification sign of digital TV set

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Embodiment Construction

[0018] The present invention is described in detail below in conjunction with accompanying drawing and preferred embodiment:

[0019] figure 1 It shows a schematic structural diagram of the video processing of the digital TV used in the present invention. The control part of digital TV adopts microprocessor system, which is composed of central processing unit CPU, memory and I 2 C bus constitutes. Under the control of the microprocessor system, the high-frequency tuner completes the tuning of the high-frequency signal from the antenna or cable TV station to select the channel selected by the user; the video decoder is used to demodulate the required video from the high-frequency signal Signal; video image processing and format converter is to compress and store the digital video after digitizing the analog video signal, and to achieve high-quality output through data exchange with the memory, namely the synchronous dynamic random access memory SDRAM; The display module conv...

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Abstract

A method for adding identification of Chinese station mark on digital TV set includes intercepting N frames of images and compressing them to be JPEG format for being stored after their format is converted, carrying out superposition treatment and noise filtering optimization treatment on stored N frames of images and identifying out station mark image information by comparing them with station mark image in image library, adding identification of Chinese station mark on identified-out station mark image .

Description

technical field [0001] The invention relates to a digital television, in particular to a method for adding a Chinese station logo to a digital television. Background technique [0002] my country's digital TV is stepping up the implementation of the "three-step" strategic pace, namely: in 2003, the establishment of terrestrial digital TV standards will be completed, and digital TV will be broadcast in large cities; in 2005, all satellite transmissions will be digitalized; Receivers have been popularized, and by 2015 China's TV broadcasting will be fully digitized and the transition from analog to digital will be completed. Digital TV will fully replace analog TV and enter the national economy and people's livelihood in various industries and even every family. The function of developing digital TV will also become an important issue related to society and people's life. With the rapid development of the radio and television industry, more and more channels can be watched at...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/91H04N5/917
Inventor 曹光杰
Owner TIANJIN SAMSUNG ELECTRONICS CO LTD