KR970009384A

KR970009384A - Video encoder's abnormal status determination and automatic recovery circuit

Info

Publication number: KR970009384A
Application number: KR1019950023090A
Authority: KR
Inventors: 김학수
Original assignee: 김광호; 삼성전자 주식회사
Priority date: 1995-07-29
Filing date: 1995-07-29
Publication date: 1997-02-24
Also published as: KR100195007B1

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

화상회의시스템의 비디오엔코더에 관한 것이다.A video encoder of a video conferencing system.

2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention

비디오엔코더의 비정상 상태를 정확히 판별하여 자동으로 복구 가능하게 하는 회로를 제공함에 있다.The present invention provides a circuit that automatically determines an abnormal state of a video encoder and automatically recovers it.

3. 발명이 해결방법의 요지3. Summary of the Invention Solution

화상처리시스템의 비디오엔코더 비정상 상태 및 자동복구회로에 있어서, 영상신호의 송신을 위한 부호화 및 표시를 위한 복호화수단과, 송신할 데이타를 상기 부호화수단으로부터 전달받아 일시적으로 저장하는 제1메모리와, 표시할 영상데이타를 복호화수단으로 전달하는 제2메모리와, 상기 제1메모리에서 제공되는 영상데이타 혹은 상기 제2메모리로 전달할 영상데이타에 대한 오차정정부호화를 실시하는 수단과, 상기 제1메모리 혹은 상기 제2메모리를 읽어 각각에 대한 이전 및 현재상태를 비교하여 이전 및 현재상태가 동일하면 상기 부호와 혹은 복호화수단이 비정상 상태인 것으로 판단하여 상기 부호와 혹은 복호화 수단을 재기동시키는 제어수단으로 구성됨을 특징으로 한다.A video encoder abnormal state and an automatic recovery circuit of an image processing system, comprising: decoding means for encoding and displaying for transmitting a video signal, a first memory for temporarily receiving data to be transmitted from the encoding means, and displaying A second memory for transmitting to-be-deleted video data to decoding means, means for performing error correction encoding on video data provided from the first memory or video data to be transmitted to the second memory, and the first memory or the first memory. And a control means for restarting the code and / or the decoding means by determining that the code and / or the decoding means are abnormal when the previous and the current state are the same by comparing the previous and the current states for each of the two memories. do.

4. 발명의 중요한 용도.4. Important uses of the invention.

화상회의시스템의 비디오엔코더에서 발생하는 비정상 상태를 판별하여 자동으로 복구하게 하는 데에 이용한다.It is used to determine abnormal state occurring in video encoder of video conferencing system and to recover automatically.

Description

Video encoder's abnormal status determination and automatic recovery circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명에 따른 비디오엔코더의 상태 판별 및 자동 복구회로의 구성도.3 is a configuration diagram of a state discrimination and automatic recovery circuit of a video encoder according to the present invention.

Claims

A video encoder abnormal state determination and automatic recovery circuit of an image processing system, comprising: decoding means for encoding and displaying for transmitting a video signal, a first memory for temporarily receiving data to be transmitted from said encoding means, and A second memory for transmitting image data to be displayed to decoding means, means for performing error correction encoding on image data provided from the first memory or image data to be transmitted to the second memory, and the first memory or the And comparing the previous and current states with each other by reading a second memory, and determining that the code and / or decoding means are abnormal, and restarting the code and / or decoding means. Circuit.

The circuit according to claim 1, wherein said control means further comprises a memory for reading said first memory or said second memory and storing them in a current or previous state.

3. A circuit according to any one of the preceding claims, wherein said control means is a central processing unit.

Encoding means for transmitting a video signal, a first memory for temporarily receiving data to be transmitted from the encoding means, and means for performing error correction encoding on image data provided from the first memory; A video encoder abnormal state determination and automatic recovery method of an image processing system having third and fourth memories for reading a first memory and storing it in a previous or current state, the method comprising: reading a state of the first memory and reading it into the fourth memory. A first process of storing and setting the current state, a second process of comparing contents of the fourth memory with contents of a third memory in which a previous state of the first memory is stored, and two states of the second process If it is the same, the third process of restarting the encoding means and the current state stored in the fourth memory if the two states are not the same in the second process. The third memory by storing the method as characterized in claim 4, constituted by any process of the set to the previous level.

Decoding means for displaying a video signal, a second memory for transmitting video data to be displayed to said decoding means, means for performing error correction encoding on video data to be transmitted to said second memory, and said second memory. A video encoder abnormal state discrimination and automatic recovery method of an image processing system having third and fourth memories for reading and storing them in a previous or current state, wherein the state of the second memory is read and stored in a fourth memory to A first process of setting a state, a second process of comparing contents of the fourth memory with contents of a third memory in which a previous state of the second memory is stored, and the decoding when the two states are the same in the second process Storing the current state stored in the fourth memory in the third memory if the two states are not equal in the second process and restarting the means. Characterized in a fourth step the set constituted by any of the previous state.

※ Note: The disclosure is based on the initial application.