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Image encoding, decoding, transmission method and system

An image coding and image technology, applied in the fields of transmission methods and systems, decoding, and image coding, can solve the problem of high cost and achieve the effect of saving cost and saving bandwidth

Active Publication Date: 2017-10-10
GUANGDONG VTRON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide an image encoding method for the problem of high cost in the encoding process

Method used

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  • Image encoding, decoding, transmission method and system
  • Image encoding, decoding, transmission method and system
  • Image encoding, decoding, transmission method and system

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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0042] likefigure 1 As shown, it is a schematic flow diagram of an embodiment of the image coding method of the present invention, including steps:

[0043] Step S101: converting the field effective signal of the image into a polar field effective signal of a preset polarity, wherein the preset polarity includes positive polarity and negative polarity;

[0044] The purpose of this step is to unify the polarity of the effective field signal for subsequent edge detection of the effective field signal.

[0045] Step S102: Detect the effective signal of the polarity field, and when it is detected that the transmission of the current frame image starts, send the frame start code to the receiving end to identify the start of transmission of the frame image, and send the image fram...

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Abstract

An image encoding, decoding, and transmission method and system, the encoding method comprising: converting an effective field signal of an image into an effective polar field signal of a preset polarity; detecting the effective polar field signal, and detecting the current frame image When the transmission starts, send the frame start code to the receiving end to identify the start of transmission of the frame image, and send the image frame information of the frame image to the receiving end through the data code; when the first line valid signal of the frame image is detected When the rising edge of the line, send the line start code to the receiving end to identify the rising edge of the line valid signal, and start sending the line data signal of the frame image, when the falling edge of the first line valid signal of the frame image is detected , send the line end code to the receiving end to identify the falling edge of the line valid signal, further detect other line valid signals of the frame image, until the end of the frame image transmission is detected, send the frame end code to the receiving end to identify the frame image Encoding is complete. This solution saves costs.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image encoding, decoding, and transmission method and system. Background technique [0002] In the field of image processing, it is often necessary to transfer images from one processing unit to another. During the transmission process, the image data signal, field valid signal, row valid signal, and data valid signal need to be encoded first, and then transmitted to another processing unit for decoding. However, since the transmission of field synchronization signals, horizontal synchronization signals, and effective data signals needs to occupy a bit width, especially for some transceivers whose bit width is the same as the image data signal bit width, in order to encode, transmit field synchronization signals, and line synchronization Signals and valid data signals need to bind two serial transceiver links to obtain a larger transmission bandwidth for tran...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/234H04N21/44H04N21/4405
CPCH04N21/234H04N21/44
Inventor 胡庆荣张奕文
Owner GUANGDONG VTRON TECH CO LTD