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Image encoding/decoding method and device, and recording medium in which bitstream is stored

一种图像解码、图像编码的技术，应用在图像通信、数字视频信号修改、电气元件等方向，能够解决成本增加等问题，达到提高压缩效率的效果

Active Publication Date: 2019-03-15
ELECTRONICS & TELECOMM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when image data is transmitted by using a medium such as a conventional wired broadband network and a wireless broadband network, or when image data is stored by using a conventional storage medium, the cost of transmission and storage increases

Method used

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  • Image encoding/decoding method and device, and recording medium in which bitstream is stored
  • Image encoding/decoding method and device, and recording medium in which bitstream is stored
  • Image encoding/decoding method and device, and recording medium in which bitstream is stored

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Embodiment Construction

[0057] Various modifications can be made to the invention, and there are various embodiments of the invention, examples of which will now be provided with reference to the accompanying drawings and will be described in detail. However, the present invention is not limited thereto although the exemplary embodiments can be construed to include all modifications, equivalents or replacements within the technical idea and technical scope of the present invention. Like reference numerals refer to identical or similar functions in various respects. In the drawings, the shapes and sizes of elements may be exaggerated for clarity. In the following detailed description of the invention, reference is made to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the disclosure. It should be understood that the various em...

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Abstract

The present invention relates to an image encoding / decoding method and device. An image decoding method for performing intra prediction, according to the present invention, can comprise the steps of:dividing a current block into at least one sub block; inducing an intra prediction mode for the at least one sub block; configuring a reference sample for intra prediction; and performing intra prediction for the at least one sub block on the basis of the induced intra prediction mode.

Description

technical field [0001] The present invention relates to a method and device for encoding / decoding images. In particular, the present invention relates to a method and apparatus for encoding / decoding images using intra prediction and a recording medium storing a bitstream generated by the image encoding method / apparatus of the present invention. Background technique [0002] Recently, demands for high-resolution and high-quality images such as high-definition (HD) images and ultra-high-definition (UHD) images have increased in various application fields. However, the data volume of image data of higher resolution and quality has increased compared with conventional image data. Therefore, when image data is transmitted by using a medium such as a conventional wired broadband network and a wireless broadband network, or when image data is stored by using a conventional storage medium, the cost of transmission and storage increases. In order to solve these problems that arise ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/107H04N19/176H04N19/146H04N19/44H04N19/91H04N19/513H04N19/30H04N19/124
CPCH04N19/107H04N19/176H04N19/20H04N19/42H04N19/105H04N19/119H04N19/147H04N19/11H04N19/117H04N19/593H04N19/186H04N19/70H04N19/132H04N19/30H04N19/91H04N19/146H04N19/44H04N19/126H04N19/52
Inventor 李镇浩林成昶姜晶媛高玄硕全东山李河贤赵承眩金晖容崔振秀
Owner ELECTRONICS & TELECOMM RES INST
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