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Stripe coding method and device thereof as well as stripe decoding method and device thereof

An encoding method and a decoding method technology, which are applied in the field of strip decoding methods and devices, and strip encoding methods and devices, can solve the problems of increasing the number of bits, reducing network utilization efficiency, etc., so as to reduce the number of bits, improve network utilization efficiency, The effect of improving decoding efficiency

Active Publication Date: 2014-03-12
MIGU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Since the absolute position information of the starting SCU is used as the starting position information of the slice, and the number of SCUs in the video image will increase exponentially with the increase of the image size, the sequence number of the starting SCU of the slice is The value can be very large, so that the number of bits required to encode the slice start position information also increases sharply, reducing network utilization efficiency

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  • Stripe coding method and device thereof as well as stripe decoding method and device thereof
  • Stripe coding method and device thereof as well as stripe decoding method and device thereof
  • Stripe coding method and device thereof as well as stripe decoding method and device thereof

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[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] In this embodiment of the present invention, the absolute position information of the starting LCU in the image may be the sequential absolute position information or the reverse absolute position information of the starting LCU in the image; wherein, the absolute position information of the starting LCU in the current slice in the image is specifically It can be the sequence number of the start LCU in the image. For example, an image includes 10 LCUs, and th...

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Abstract

The present invention relates to encoding and decoding techniques, and discloses a slice encoding method and a device and a slice decoding method and a device. A slice encoding method comprises: a current division target is divided into slices according to CU; the starting location information of a current slice is written into a starting location information field, the starting location information comprising: the absolute location information of the starting LCU in the current slice in an image and the relative location information of the starting SCU in the starting LCU in the current slice; the current slice is encoded, and the coded code stream is outputted. The present invention enables the control of the slice data volume, thereby enhancing network compatibility.

Description

technical field [0001] The present invention relates to encoding and decoding technologies, and in particular to a slice encoding method and device, and a slice decoding method and device in the new generation video coding standard (HEVC, High Efficiency Video Coding). Background technique [0002] With the continuous improvement of network technology and terminal processing capabilities, people are now widely used Moving Pictures Experts Group Series 2 (MPEG-2, Moving Pictures Experts Group-2), Moving Pictures Experts Group Series 4 (MPEG-4), H .264 and other video codec technologies put forward new requirements, such as hoping to meet the requirements of high-definition and 3D, so as to meet the applications in new fields such as home theater, remote monitoring, digital broadcasting, mobile streaming media, portable camera, and medical imaging , in order to meet these applications, a new generation of video coding standard (HEVC, High Efficiency Video Coding) came into bei...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/44
CPCH04N19/00545H04N19/00272H04N19/174H04N19/46
Inventor 沈秋谢清鹏
Owner MIGU CO LTD