Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Data frame coding and decoding control method

An encoding method and decoding control technology, which are applied in the fields of encoding control method and decoding control of data frames, can solve the problems that encoded frames cannot be decoded correctly, the error rate of packet loss is not high, and cannot be decoded correctly, so as to improve user experience and better The effect of transmission quality and improved fault tolerance

Active Publication Date: 2008-06-04
TENCENT TECH (SHENZHEN) CO LTD
View PDF1 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The shortcoming of above-mentioned this coding control method is: when decoding at the video receiving end, the coded frame (I frame or P frame) of any one video frame in a GOP is lost and can cause the coded frame of subsequent frame to be unable to decode correctly, even if subsequent frame Encoded frames are either received correctly or decoded correctly
[0011] Referring to Figure 2, if the No. 2 encoded frame is lost, even if the No. 3 and No. 4 encoded frames are received correctly, it cannot be decoded. The quality of data transmission is still greatly affected by packet loss, and the error tolerance to packet loss is still not high. It is an invisible waste of bandwidth resources

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Data frame coding and decoding control method
  • Data frame coding and decoding control method
  • Data frame coding and decoding control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] The present invention will be described in further detail below through specific embodiments and accompanying drawings.

[0039] The encoding and decoding method described in the present invention can be applied to various data frames, such as video frames, audio frames, etc., and the following embodiments use video frames as an example to illustrate the present invention.

[0040] FIG. 3 is a schematic diagram of a video frame sequence of the encoding control method of the present invention. Referring to Fig. 3, the present invention also adopts the method of segmentation encoding, for example, the 7 video frames constitute a GOP that needs to be encoded, and the lowercase English letters in the upper part of each frame represent the timing of the video frames; the numbers in the lower part of each frame represent The order in which the encoding operation is performed on each frame is also the order in which the encoded frames are sent, and the sending end sends the en...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a data frame coding-decoding control method. A coding terminal carries out the sectional coding of the data frame and selects the intermediate frame of each section of data frames as the frame needing to go through the intra-frame coding; when each section of data frames is coded, the invention comprises the steps that: A. the data frame going before the selected frame sequentially is cached; B. the selected frame is coded into the I frame; C. other frames in data frames of the section are coded into the P frames with the I frame serving as a reference frame. The decoding terminal comprises the steps that: a. the received I frame is decoded and cached; b. the received P frames are decoded by referring to the decoded data of the I frame and the data frames after being decoded are displayed in order according to the time sequence information of the data frames. The utilization of the invention can enhance the quality of the data transmission and the fault tolerance against the packet loss.

Description

technical field [0001] The invention relates to data compression encoding and decoding technology, in particular to an encoding control method and a decoding control method of a data frame. Background technique [0002] With the popularity of instant messaging and the improvement of network bandwidth, more and more netizens start to use cameras for video chatting. In order to reduce the bandwidth occupied by video data, video compression coding technology is generally used to compress and code the video data frames at the sending end. At the receiving end, it is decoded according to the corresponding decoding technology to restore the video data. At present, video frames are compressed and encoded according to a time sequence method, which mainly includes the following two existing technologies. [0003] Prior art one: FIG. 1 is a schematic diagram of a video frame sequence for encoding control in prior art one. Referring to FIG. 1 , the prior art adopts segmental coding, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04N7/50H04N19/114H04N19/85H04N19/89
Inventor 何健
Owner TENCENT TECH (SHENZHEN) CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com