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Image processing method for performing processing of encoding tree unit and encoding unit, image decoding and encoding method using same, and device thereof

A coding tree unit and coding unit technology, which is applied in image communication, image coding, image data processing, etc., can solve the problems such as the inability to independently determine the size of the coding tree unit and the maximum coding unit, the reduction of transmission efficiency and compression efficiency, etc. The effect of reducing implementation cost and reducing bandwidth

Active Publication Date: 2019-11-22
明达半导体股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is the problem that coding tree units and maximum coding unit sizes cannot be determined independently, making it impossible to satisfy both advantages while processing structures in a non-independent manner
[0011] In addition, considering the line buffer, when only the size of the largest coding unit using the current coding scheme is increased, since unnecessary partition information of the coding unit should basically be transmitted together, there is a problem that transmission efficiency and compression efficiency decrease

Method used

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  • Image processing method for performing processing of encoding tree unit and encoding unit, image decoding and encoding method using same, and device thereof
  • Image processing method for performing processing of encoding tree unit and encoding unit, image decoding and encoding method using same, and device thereof
  • Image processing method for performing processing of encoding tree unit and encoding unit, image decoding and encoding method using same, and device thereof

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Embodiment Construction

[0034] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the embodiments of the present invention, detailed descriptions of known functions and configurations contained herein will be omitted when they may make the subject matter of the present disclosure rather unclear. describe.

[0035] It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or directly coupled to the other element but there are other elements interposed between the two elements. . Furthermore, a description of "comprising" a specific configuration in the present invention does not exclude configurations other than the configuration, but means that additional configurations can be included within the practical scope of the present invention or within the technical scope of the present invention.

[0036] The terms firs...

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Abstract

An image decoding method according to an embodiment of the present invention comprises the steps of: acquiring encoding tree unit information from an image stream; acquiring signaling information on amaximum encoding unit size of an encoding unit divided from the encoding tree unit; and dividing the encoding tree unit by steps according to the signaling information.

Description

technical field [0001] The present invention relates to an image processing method, a method of decoding and encoding an image using the image processing method, and a device used for the method. More particularly, the present invention relates to an image processing method performing processing of a coding tree unit and a coding unit, a method of decoding and encoding an image using the image processing method, and an apparatus for the method. Background technique [0002] Digital video technology can be used in an integrated manner in a wide variety of digital video devices including, for example, digital television, digital direct broadcast systems, wireless broadcast systems, personal digital assistants (PDAs), laptop or desktop computers, digital cameras, Digital recording devices, video game devices, video game consoles, mobile phones, satellite radiotelephones, etc. Digital video devices may implement video compression technologies such as MPEG-2, MPEG-4, or ITU-T H....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/169H04N19/70H04N19/426H04N19/503H04N19/176
CPCH04N19/169H04N19/70H04N19/426H04N19/503H04N19/176H04N19/119H04N19/46H04N19/96H04N19/184G06T9/40
Inventor 田珉容朴炯震金昊衍林成昶姜晶媛李河贤李镇浩金晖容
Owner 明达半导体股份有限公司
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